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-rw-r--r--erts/emulator/sys/common/erl_check_io.c24
-rw-r--r--erts/emulator/sys/common/erl_mmap.c582
-rw-r--r--erts/emulator/sys/common/erl_mmap.h30
-rw-r--r--erts/emulator/sys/common/erl_mseg.c389
-rw-r--r--erts/emulator/sys/common/erl_mseg.h19
-rw-r--r--erts/emulator/sys/common/erl_poll.h22
-rw-r--r--erts/emulator/sys/ose/beam.lmconf26
-rw-r--r--erts/emulator/sys/ose/driver_int.h42
-rw-r--r--erts/emulator/sys/ose/erl_main.c54
-rw-r--r--erts/emulator/sys/ose/erl_ose_sys.h356
-rw-r--r--erts/emulator/sys/ose/erl_ose_sys_ddll.c127
-rw-r--r--erts/emulator/sys/ose/erl_poll.c818
-rw-r--r--erts/emulator/sys/ose/erts.sig17
-rw-r--r--erts/emulator/sys/ose/gcc_4.4.3_lm_ppc.lcf182
-rw-r--r--erts/emulator/sys/ose/gcc_4.6.3_lm_ppc.lcf242
-rw-r--r--erts/emulator/sys/ose/sys.c1847
-rw-r--r--erts/emulator/sys/ose/sys_float.c845
-rw-r--r--erts/emulator/sys/ose/sys_time.c57
18 files changed, 465 insertions, 5214 deletions
diff --git a/erts/emulator/sys/common/erl_check_io.c b/erts/emulator/sys/common/erl_check_io.c
index 105b129065..f87196d724 100644
--- a/erts/emulator/sys/common/erl_check_io.c
+++ b/erts/emulator/sys/common/erl_check_io.c
@@ -1337,11 +1337,7 @@ print_select_op(erts_dsprintf_buf_t *dsbufp,
{
Port *pp = erts_drvport2port(ix);
erts_dsprintf(dsbufp,
-#ifdef __OSE__
- "driver_select(%p, %d,%s%s%s%s | %d, %d) "
-#else
"driver_select(%p, %d,%s%s%s%s, %d) "
-#endif
"by ",
ix,
(int) GET_FD(fd),
@@ -1861,25 +1857,6 @@ stale_drv_select(Eterm id, ErtsDrvEventState *state, int mode)
#ifndef ERTS_SYS_CONTINOUS_FD_NUMBERS
-#ifdef __OSE__
-static SafeHashValue drv_ev_state_hash(void *des)
-{
- ErtsSysFdType fd = ((ErtsDrvEventState *) des)->fd;
- /* We use hash on signo ^ id in order for steal to happen when the
- same signo + fd is selected on by two different ports */
- SafeHashValue val = (SafeHashValue)(fd->signo ^ fd->id);
- return val ^ (val >> 8);
-}
-
-static int drv_ev_state_cmp(void *des1, void *des2)
-{
- ErtsSysFdType fd1 = ((ErtsDrvEventState *) des1)->fd;
- ErtsSysFdType fd2 = ((ErtsDrvEventState *) des2)->fd;
- if (fd1->signo == fd2->signo && fd1->id == fd2->id)
- return 0;
- return 1;
-}
-#else /* !__OSE__ && !ERTS_SYS_CONTINOUS_FD_NUMBERS i.e. probably windows */
static SafeHashValue drv_ev_state_hash(void *des)
{
SafeHashValue val = (SafeHashValue) ((ErtsDrvEventState *) des)->fd;
@@ -1891,7 +1868,6 @@ static int drv_ev_state_cmp(void *des1, void *des2)
return ( ((ErtsDrvEventState *) des1)->fd == ((ErtsDrvEventState *) des2)->fd
? 0 : 1);
}
-#endif
static void *drv_ev_state_alloc(void *des_tmpl)
{
diff --git a/erts/emulator/sys/common/erl_mmap.c b/erts/emulator/sys/common/erl_mmap.c
index 754047829f..03ca080c14 100644
--- a/erts/emulator/sys/common/erl_mmap.c
+++ b/erts/emulator/sys/common/erl_mmap.c
@@ -51,23 +51,22 @@
#endif
/*
- * `mmap_state.sa.bot` and `mmap_state.sua.top` are read only after
+ * `mm->sa.bot` and `mm->sua.top` are read only after
* initialization, but the other pointers are not; i.e., only
* ERTS_MMAP_IN_SUPERCARRIER() is allowed without the mutex held.
*/
#define ERTS_MMAP_IN_SUPERCARRIER(PTR) \
- (((UWord) (PTR)) - ((UWord) mmap_state.sa.bot) \
- < ((UWord) mmap_state.sua.top) - ((UWord) mmap_state.sa.bot))
+ (((UWord) (PTR)) - ((UWord) mm->sa.bot) \
+ < ((UWord) mm->sua.top) - ((UWord) mm->sa.bot))
#define ERTS_MMAP_IN_SUPERALIGNED_AREA(PTR) \
- (ERTS_SMP_LC_ASSERT(erts_lc_mtx_is_locked(&mmap_state.mtx)), \
- (((UWord) (PTR)) - ((UWord) mmap_state.sa.bot) \
- < ((UWord) mmap_state.sa.top) - ((UWord) mmap_state.sa.bot)))
+ (ERTS_SMP_LC_ASSERT(erts_lc_mtx_is_locked(&mm->mtx)), \
+ (((UWord) (PTR)) - ((UWord) mm->sa.bot) \
+ < ((UWord) mm->sa.top) - ((UWord) mm->sa.bot)))
#define ERTS_MMAP_IN_SUPERUNALIGNED_AREA(PTR) \
- (ERTS_SMP_LC_ASSERT(erts_lc_mtx_is_locked(&mmap_state.mtx)), \
- (((UWord) (PTR)) - ((UWord) mmap_state.sua.bot) \
- < ((UWord) mmap_state.sua.top) - ((UWord) mmap_state.sua.bot)))
+ (ERTS_SMP_LC_ASSERT(erts_lc_mtx_is_locked(&mm->mtx)), \
+ (((UWord) (PTR)) - ((UWord) mm->sua.bot) \
+ < ((UWord) mm->sua.top) - ((UWord) mm->sua.bot)))
-int erts_have_erts_mmap;
UWord erts_page_inv_mask;
#if defined(DEBUG) || defined(ERTS_MMAP_DEBUG)
@@ -197,10 +196,10 @@ static ErtsMMapOp mmap_ops[ERTS_MMAP_OP_RINGBUF_SZ];
#define ERTS_MMAP_OP_LCK(RES, IN_SZ, OUT_SZ) \
do { \
- erts_smp_mtx_lock(&mmap_state.mtx); \
+ erts_smp_mtx_lock(&mm->mtx); \
ERTS_MMAP_OP_START((IN_SZ)); \
ERTS_MMAP_OP_END((RES), (OUT_SZ)); \
- erts_smp_mtx_unlock(&mmap_state.mtx); \
+ erts_smp_mtx_unlock(&mm->mtx); \
} while (0)
#define ERTS_MUNMAP_OP(PTR, SZ) \
@@ -219,9 +218,9 @@ static ErtsMMapOp mmap_ops[ERTS_MMAP_OP_RINGBUF_SZ];
#define ERTS_MUNMAP_OP_LCK(PTR, SZ) \
do { \
- erts_smp_mtx_lock(&mmap_state.mtx); \
+ erts_smp_mtx_lock(&mm->mtx); \
ERTS_MUNMAP_OP((PTR), (SZ)); \
- erts_smp_mtx_unlock(&mmap_state.mtx); \
+ erts_smp_mtx_unlock(&mm->mtx); \
} while (0)
#define ERTS_MREMAP_OP_START(OLD_PTR, OLD_SZ, IN_SZ) \
@@ -247,10 +246,10 @@ static ErtsMMapOp mmap_ops[ERTS_MMAP_OP_RINGBUF_SZ];
#define ERTS_MREMAP_OP_LCK(RES, OLD_PTR, OLD_SZ, IN_SZ, OUT_SZ) \
do { \
- erts_smp_mtx_lock(&mmap_state.mtx); \
+ erts_smp_mtx_lock(&mm->mtx); \
ERTS_MREMAP_OP_START((OLD_PTR), (OLD_SZ), (IN_SZ)); \
ERTS_MREMAP_OP_END((RES), (OUT_SZ)); \
- erts_smp_mtx_unlock(&mmap_state.mtx); \
+ erts_smp_mtx_unlock(&mm->mtx); \
} while (0)
#define ERTS_MMAP_OP_ABORT() \
@@ -294,7 +293,7 @@ typedef struct {
Uint nseg;
}ErtsFreeSegMap;
-static struct {
+struct ErtsMemMapper_ {
int (*reserve_physical)(char *, UWord);
void (*unreserve_physical)(char *, UWord);
int supercarrier;
@@ -346,54 +345,62 @@ static struct {
UWord used;
} os;
} size;
-} mmap_state;
+};
+
+ErtsMemMapper erts_dflt_mmapper;
+
+#if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
+ErtsMemMapper erts_literal_mmapper;
+char* erts_literals_start;
+UWord erts_literals_size;
+#endif
#define ERTS_MMAP_SIZE_SC_SA_INC(SZ) \
do { \
- mmap_state.size.supercarrier.used.total += (SZ); \
- mmap_state.size.supercarrier.used.sa += (SZ); \
- ERTS_MMAP_ASSERT(mmap_state.size.supercarrier.used.total \
- <= mmap_state.size.supercarrier.total); \
- ERTS_MMAP_ASSERT(mmap_state.size.supercarrier.used.sa \
- <= mmap_state.size.supercarrier.used.total); \
+ mm->size.supercarrier.used.total += (SZ); \
+ mm->size.supercarrier.used.sa += (SZ); \
+ ERTS_MMAP_ASSERT(mm->size.supercarrier.used.total \
+ <= mm->size.supercarrier.total); \
+ ERTS_MMAP_ASSERT(mm->size.supercarrier.used.sa \
+ <= mm->size.supercarrier.used.total); \
} while (0)
#define ERTS_MMAP_SIZE_SC_SA_DEC(SZ) \
do { \
- ERTS_MMAP_ASSERT(mmap_state.size.supercarrier.used.total >= (SZ)); \
- mmap_state.size.supercarrier.used.total -= (SZ); \
- ERTS_MMAP_ASSERT(mmap_state.size.supercarrier.used.sa >= (SZ)); \
- mmap_state.size.supercarrier.used.sa -= (SZ); \
+ ERTS_MMAP_ASSERT(mm->size.supercarrier.used.total >= (SZ)); \
+ mm->size.supercarrier.used.total -= (SZ); \
+ ERTS_MMAP_ASSERT(mm->size.supercarrier.used.sa >= (SZ)); \
+ mm->size.supercarrier.used.sa -= (SZ); \
} while (0)
#define ERTS_MMAP_SIZE_SC_SUA_INC(SZ) \
do { \
- mmap_state.size.supercarrier.used.total += (SZ); \
- mmap_state.size.supercarrier.used.sua += (SZ); \
- ERTS_MMAP_ASSERT(mmap_state.size.supercarrier.used.total \
- <= mmap_state.size.supercarrier.total); \
- ERTS_MMAP_ASSERT(mmap_state.size.supercarrier.used.sua \
- <= mmap_state.size.supercarrier.used.total); \
+ mm->size.supercarrier.used.total += (SZ); \
+ mm->size.supercarrier.used.sua += (SZ); \
+ ERTS_MMAP_ASSERT(mm->size.supercarrier.used.total \
+ <= mm->size.supercarrier.total); \
+ ERTS_MMAP_ASSERT(mm->size.supercarrier.used.sua \
+ <= mm->size.supercarrier.used.total); \
} while (0)
#define ERTS_MMAP_SIZE_SC_SUA_DEC(SZ) \
do { \
- ERTS_MMAP_ASSERT(mmap_state.size.supercarrier.used.total >= (SZ)); \
- mmap_state.size.supercarrier.used.total -= (SZ); \
- ERTS_MMAP_ASSERT(mmap_state.size.supercarrier.used.sua >= (SZ)); \
- mmap_state.size.supercarrier.used.sua -= (SZ); \
+ ERTS_MMAP_ASSERT(mm->size.supercarrier.used.total >= (SZ)); \
+ mm->size.supercarrier.used.total -= (SZ); \
+ ERTS_MMAP_ASSERT(mm->size.supercarrier.used.sua >= (SZ)); \
+ mm->size.supercarrier.used.sua -= (SZ); \
} while (0)
#define ERTS_MMAP_SIZE_OS_INC(SZ) \
do { \
- ERTS_MMAP_ASSERT(mmap_state.size.os.used + (SZ) >= (SZ)); \
- mmap_state.size.os.used += (SZ); \
+ ERTS_MMAP_ASSERT(mm->size.os.used + (SZ) >= (SZ)); \
+ mm->size.os.used += (SZ); \
} while (0)
#define ERTS_MMAP_SIZE_OS_DEC(SZ) \
do { \
- ERTS_MMAP_ASSERT(mmap_state.size.os.used >= (SZ)); \
- mmap_state.size.os.used -= (SZ); \
+ ERTS_MMAP_ASSERT(mm->size.os.used >= (SZ)); \
+ mm->size.os.used -= (SZ); \
} while (0)
static void
-add_free_desc_area(char *start, char *end)
+add_free_desc_area(ErtsMemMapper* mm, char *start, char *end)
{
ERTS_MMAP_ASSERT(end == (void *) 0 || end > start);
if (sizeof(ErtsFreeSegDesc) <= ((UWord) end) - ((UWord) start)) {
@@ -403,7 +410,7 @@ add_free_desc_area(char *start, char *end)
no = 1;
prev_desc = (ErtsFreeSegDesc *) start;
- prev_desc->start = mmap_state.desc.free_list;
+ prev_desc->start = mm->desc.free_list;
desc = (ErtsFreeSegDesc *) (start + sizeof(ErtsFreeSegDesc));
desc_end = start + 2*sizeof(ErtsFreeSegDesc);
@@ -414,59 +421,59 @@ add_free_desc_area(char *start, char *end)
desc_end += sizeof(ErtsFreeSegDesc);
no++;
}
- mmap_state.desc.free_list = (char *) prev_desc;
- mmap_state.no.free_seg_descs += no;
+ mm->desc.free_list = (char *) prev_desc;
+ mm->no.free_seg_descs += no;
}
}
static ErtsFreeSegDesc *
-add_unused_free_desc_area(void)
+add_unused_free_desc_area(ErtsMemMapper* mm)
{
char *ptr;
- if (!mmap_state.desc.unused_start)
+ if (!mm->desc.unused_start)
return NULL;
- ERTS_MMAP_ASSERT(mmap_state.desc.unused_end);
+ ERTS_MMAP_ASSERT(mm->desc.unused_end);
ERTS_MMAP_ASSERT(ERTS_PAGEALIGNED_SIZE
- <= mmap_state.desc.unused_end - mmap_state.desc.unused_start);
+ <= mm->desc.unused_end - mm->desc.unused_start);
- ptr = mmap_state.desc.unused_start + ERTS_PAGEALIGNED_SIZE;
- add_free_desc_area(mmap_state.desc.unused_start, ptr);
+ ptr = mm->desc.unused_start + ERTS_PAGEALIGNED_SIZE;
+ add_free_desc_area(mm, mm->desc.unused_start, ptr);
- if ((mmap_state.desc.unused_end - ptr) >= ERTS_PAGEALIGNED_SIZE)
- mmap_state.desc.unused_start = ptr;
+ if ((mm->desc.unused_end - ptr) >= ERTS_PAGEALIGNED_SIZE)
+ mm->desc.unused_start = ptr;
else
- mmap_state.desc.unused_end = mmap_state.desc.unused_start = NULL;
+ mm->desc.unused_end = mm->desc.unused_start = NULL;
- ERTS_MMAP_ASSERT(mmap_state.desc.free_list);
- return (ErtsFreeSegDesc *) mmap_state.desc.free_list;
+ ERTS_MMAP_ASSERT(mm->desc.free_list);
+ return (ErtsFreeSegDesc *) mm->desc.free_list;
}
static ERTS_INLINE ErtsFreeSegDesc *
-alloc_desc(void)
+alloc_desc(ErtsMemMapper* mm)
{
ErtsFreeSegDesc *res;
- res = (ErtsFreeSegDesc *) mmap_state.desc.free_list;
+ res = (ErtsFreeSegDesc *) mm->desc.free_list;
if (!res) {
- res = add_unused_free_desc_area();
+ res = add_unused_free_desc_area(mm);
if (!res)
return NULL;
}
- mmap_state.desc.free_list = res->start;
- ASSERT(mmap_state.no.free_segs.curr < mmap_state.no.free_seg_descs);
- mmap_state.no.free_segs.curr++;
- if (mmap_state.no.free_segs.max < mmap_state.no.free_segs.curr)
- mmap_state.no.free_segs.max = mmap_state.no.free_segs.curr;
+ mm->desc.free_list = res->start;
+ ASSERT(mm->no.free_segs.curr < mm->no.free_seg_descs);
+ mm->no.free_segs.curr++;
+ if (mm->no.free_segs.max < mm->no.free_segs.curr)
+ mm->no.free_segs.max = mm->no.free_segs.curr;
return res;
}
static ERTS_INLINE void
-free_desc(ErtsFreeSegDesc *desc)
+free_desc(ErtsMemMapper* mm, ErtsFreeSegDesc *desc)
{
- desc->start = mmap_state.desc.free_list;
- mmap_state.desc.free_list = (char *) desc;
- ERTS_MMAP_ASSERT(mmap_state.no.free_segs.curr > 0);
- mmap_state.no.free_segs.curr--;
+ desc->start = mm->desc.free_list;
+ mm->desc.free_list = (char *) desc;
+ ERTS_MMAP_ASSERT(mm->no.free_segs.curr > 0);
+ mm->no.free_segs.curr--;
}
static ERTS_INLINE ErtsFreeSegDesc* anode_to_desc(RBTNode* anode)
@@ -1233,7 +1240,7 @@ Eterm build_free_seg_list(Process* p, ErtsFreeSegMap* map)
# define ERTS_MMAP_FD (-1)
# else
# define ERTS_MMAP_FLAGS (MAP_PRIVATE)
-# define ERTS_MMAP_FD mmap_state.mmap_fd
+# define ERTS_MMAP_FD mm->mmap_fd
# endif
#endif
@@ -1378,11 +1385,12 @@ static void unreserve_noop(char *ptr, UWord size)
}
static UWord
-alloc_desc_insert_free_seg(ErtsFreeSegMap *map, char* start, char* end)
+alloc_desc_insert_free_seg(ErtsMemMapper* mm,
+ ErtsFreeSegMap *map, char* start, char* end)
{
char *ptr;
ErtsFreeSegMap *da_map;
- ErtsFreeSegDesc *desc = alloc_desc();
+ ErtsFreeSegDesc *desc = alloc_desc(mm);
if (desc) {
insert_free_seg(map, desc, start, end);
return 0;
@@ -1395,13 +1403,13 @@ alloc_desc_insert_free_seg(ErtsFreeSegMap *map, char* start, char* end)
*/
#if ERTS_HAVE_OS_MMAP
- if (!mmap_state.no_os_mmap) {
- ptr = os_mmap(mmap_state.desc.new_area_hint, ERTS_PAGEALIGNED_SIZE, 0);
+ if (!mm->no_os_mmap) {
+ ptr = os_mmap(mm->desc.new_area_hint, ERTS_PAGEALIGNED_SIZE, 0);
if (ptr) {
- mmap_state.desc.new_area_hint = ptr+ERTS_PAGEALIGNED_SIZE;
+ mm->desc.new_area_hint = ptr+ERTS_PAGEALIGNED_SIZE;
ERTS_MMAP_SIZE_OS_INC(ERTS_PAGEALIGNED_SIZE);
- add_free_desc_area(ptr, ptr+ERTS_PAGEALIGNED_SIZE);
- desc = alloc_desc();
+ add_free_desc_area(mm, ptr, ptr+ERTS_PAGEALIGNED_SIZE);
+ desc = alloc_desc(mm);
ERTS_MMAP_ASSERT(desc);
insert_free_seg(map, desc, start, end);
return 0;
@@ -1412,20 +1420,20 @@ alloc_desc_insert_free_seg(ErtsFreeSegMap *map, char* start, char* end)
/*
* ...then try to find a good place in the supercarrier...
*/
- da_map = &mmap_state.sua.map;
+ da_map = &mm->sua.map;
desc = lookup_free_seg(da_map, ERTS_PAGEALIGNED_SIZE);
if (desc) {
- if (mmap_state.reserve_physical(desc->start, ERTS_PAGEALIGNED_SIZE))
+ if (mm->reserve_physical(desc->start, ERTS_PAGEALIGNED_SIZE))
ERTS_MMAP_SIZE_SC_SUA_INC(ERTS_PAGEALIGNED_SIZE);
else
desc = NULL;
}
else {
- da_map = &mmap_state.sa.map;
+ da_map = &mm->sa.map;
desc = lookup_free_seg(da_map, ERTS_PAGEALIGNED_SIZE);
if (desc) {
- if (mmap_state.reserve_physical(desc->start, ERTS_PAGEALIGNED_SIZE))
+ if (mm->reserve_physical(desc->start, ERTS_PAGEALIGNED_SIZE))
ERTS_MMAP_SIZE_SC_SA_INC(ERTS_PAGEALIGNED_SIZE);
else
desc = NULL;
@@ -1433,15 +1441,15 @@ alloc_desc_insert_free_seg(ErtsFreeSegMap *map, char* start, char* end)
}
if (desc) {
char *da_end = desc->start + ERTS_PAGEALIGNED_SIZE;
- add_free_desc_area(desc->start, da_end);
+ add_free_desc_area(mm, desc->start, da_end);
if (da_end != desc->end)
resize_free_seg(da_map, desc, da_end, desc->end);
else {
delete_free_seg(da_map, desc);
- free_desc(desc);
+ free_desc(mm, desc);
}
- desc = alloc_desc();
+ desc = alloc_desc(mm);
ERTS_MMAP_ASSERT(desc);
insert_free_seg(map, desc, start, end);
return 0;
@@ -1454,10 +1462,10 @@ alloc_desc_insert_free_seg(ErtsFreeSegMap *map, char* start, char* end)
ptr = start + ERTS_PAGEALIGNED_SIZE;
ERTS_MMAP_ASSERT(ptr <= end);
- add_free_desc_area(start, ptr);
+ add_free_desc_area(mm, start, ptr);
if (ptr != end) {
- desc = alloc_desc();
+ desc = alloc_desc(mm);
ERTS_MMAP_ASSERT(desc);
insert_free_seg(map, desc, ptr, end);
}
@@ -1466,46 +1474,46 @@ alloc_desc_insert_free_seg(ErtsFreeSegMap *map, char* start, char* end)
}
void *
-erts_mmap(Uint32 flags, UWord *sizep)
+erts_mmap(ErtsMemMapper* mm, Uint32 flags, UWord *sizep)
{
char *seg;
UWord asize = ERTS_PAGEALIGNED_CEILING(*sizep);
/* Map in premapped supercarrier */
- if (mmap_state.supercarrier && !(ERTS_MMAPFLG_OS_ONLY & flags)) {
+ if (mm->supercarrier && !(ERTS_MMAPFLG_OS_ONLY & flags)) {
char *end;
ErtsFreeSegDesc *desc;
Uint32 superaligned = (ERTS_MMAPFLG_SUPERALIGNED & flags);
- erts_smp_mtx_lock(&mmap_state.mtx);
+ erts_smp_mtx_lock(&mm->mtx);
ERTS_MMAP_OP_START(*sizep);
if (!superaligned) {
- desc = lookup_free_seg(&mmap_state.sua.map, asize);
+ desc = lookup_free_seg(&mm->sua.map, asize);
if (desc) {
seg = desc->start;
end = seg+asize;
- if (!mmap_state.reserve_physical(seg, asize))
+ if (!mm->reserve_physical(seg, asize))
goto supercarrier_reserve_failure;
if (desc->end == end) {
- delete_free_seg(&mmap_state.sua.map, desc);
- free_desc(desc);
+ delete_free_seg(&mm->sua.map, desc);
+ free_desc(mm, desc);
}
else {
ERTS_MMAP_ASSERT(end < desc->end);
- resize_free_seg(&mmap_state.sua.map, desc, end, desc->end);
+ resize_free_seg(&mm->sua.map, desc, end, desc->end);
}
ERTS_MMAP_SIZE_SC_SUA_INC(asize);
goto supercarrier_success;
}
- if (asize <= mmap_state.sua.bot - mmap_state.sa.top) {
- if (!mmap_state.reserve_physical(mmap_state.sua.bot - asize,
+ if (asize <= mm->sua.bot - mm->sa.top) {
+ if (!mm->reserve_physical(mm->sua.bot - asize,
asize))
goto supercarrier_reserve_failure;
- mmap_state.sua.bot -= asize;
- seg = mmap_state.sua.bot;
+ mm->sua.bot -= asize;
+ seg = mm->sua.bot;
ERTS_MMAP_SIZE_SC_SUA_INC(asize);
goto supercarrier_success;
}
@@ -1513,84 +1521,84 @@ erts_mmap(Uint32 flags, UWord *sizep)
asize = ERTS_SUPERALIGNED_CEILING(asize);
- desc = lookup_free_seg(&mmap_state.sa.map, asize);
+ desc = lookup_free_seg(&mm->sa.map, asize);
if (desc) {
char *start = seg = desc->start;
seg = (char *) ERTS_SUPERALIGNED_CEILING(seg);
end = seg+asize;
- if (!mmap_state.reserve_physical(start, (UWord) (end - start)))
+ if (!mm->reserve_physical(start, (UWord) (end - start)))
goto supercarrier_reserve_failure;
ERTS_MMAP_SIZE_SC_SA_INC(asize);
if (desc->end == end) {
if (start != seg)
- resize_free_seg(&mmap_state.sa.map, desc, start, seg);
+ resize_free_seg(&mm->sa.map, desc, start, seg);
else {
- delete_free_seg(&mmap_state.sa.map, desc);
- free_desc(desc);
+ delete_free_seg(&mm->sa.map, desc);
+ free_desc(mm, desc);
}
}
else {
ERTS_MMAP_ASSERT(end < desc->end);
- resize_free_seg(&mmap_state.sa.map, desc, end, desc->end);
+ resize_free_seg(&mm->sa.map, desc, end, desc->end);
if (start != seg) {
UWord ad_sz;
- ad_sz = alloc_desc_insert_free_seg(&mmap_state.sua.map,
+ ad_sz = alloc_desc_insert_free_seg(mm, &mm->sua.map,
start, seg);
start += ad_sz;
if (start != seg)
- mmap_state.unreserve_physical(start, (UWord) (seg - start));
+ mm->unreserve_physical(start, (UWord) (seg - start));
}
}
goto supercarrier_success;
}
if (superaligned) {
- char *start = mmap_state.sa.top;
+ char *start = mm->sa.top;
seg = (char *) ERTS_SUPERALIGNED_CEILING(start);
- if (asize + (seg - start) <= mmap_state.sua.bot - start) {
+ if (asize + (seg - start) <= mm->sua.bot - start) {
end = seg + asize;
- if (!mmap_state.reserve_physical(start, (UWord) (end - start)))
+ if (!mm->reserve_physical(start, (UWord) (end - start)))
goto supercarrier_reserve_failure;
- mmap_state.sa.top = end;
+ mm->sa.top = end;
ERTS_MMAP_SIZE_SC_SA_INC(asize);
if (start != seg) {
UWord ad_sz;
- ad_sz = alloc_desc_insert_free_seg(&mmap_state.sua.map,
+ ad_sz = alloc_desc_insert_free_seg(mm, &mm->sua.map,
start, seg);
start += ad_sz;
if (start != seg)
- mmap_state.unreserve_physical(start, (UWord) (seg - start));
+ mm->unreserve_physical(start, (UWord) (seg - start));
}
goto supercarrier_success;
}
- desc = lookup_free_seg(&mmap_state.sua.map, asize + ERTS_SUPERALIGNED_SIZE);
+ desc = lookup_free_seg(&mm->sua.map, asize + ERTS_SUPERALIGNED_SIZE);
if (desc) {
char *org_start = desc->start;
char *org_end = desc->end;
seg = (char *) ERTS_SUPERALIGNED_CEILING(org_start);
end = seg + asize;
- if (!mmap_state.reserve_physical(seg, (UWord) (org_end - seg)))
+ if (!mm->reserve_physical(seg, (UWord) (org_end - seg)))
goto supercarrier_reserve_failure;
ERTS_MMAP_SIZE_SC_SUA_INC(asize);
if (org_start != seg) {
ERTS_MMAP_ASSERT(org_start < seg);
- resize_free_seg(&mmap_state.sua.map, desc, org_start, seg);
+ resize_free_seg(&mm->sua.map, desc, org_start, seg);
desc = NULL;
}
if (end != org_end) {
UWord ad_sz = 0;
ERTS_MMAP_ASSERT(end < org_end);
if (desc)
- resize_free_seg(&mmap_state.sua.map, desc, end, org_end);
+ resize_free_seg(&mm->sua.map, desc, end, org_end);
else
- ad_sz = alloc_desc_insert_free_seg(&mmap_state.sua.map,
+ ad_sz = alloc_desc_insert_free_seg(mm, &mm->sua.map,
end, org_end);
end += ad_sz;
if (end != org_end)
- mmap_state.unreserve_physical(end,
+ mm->unreserve_physical(end,
(UWord) (org_end - end));
}
goto supercarrier_success;
@@ -1598,12 +1606,12 @@ erts_mmap(Uint32 flags, UWord *sizep)
}
ERTS_MMAP_OP_ABORT();
- erts_smp_mtx_unlock(&mmap_state.mtx);
+ erts_smp_mtx_unlock(&mm->mtx);
}
#if ERTS_HAVE_OS_MMAP
/* Map using OS primitives */
- if (!(ERTS_MMAPFLG_SUPERCARRIER_ONLY & flags) && !mmap_state.no_os_mmap) {
+ if (!(ERTS_MMAPFLG_SUPERCARRIER_ONLY & flags) && !mm->no_os_mmap) {
if (!(ERTS_MMAPFLG_SUPERALIGNED & flags)) {
seg = os_mmap(NULL, asize, 0);
if (!seg)
@@ -1661,25 +1669,25 @@ supercarrier_success:
#endif
ERTS_MMAP_OP_END(seg, asize);
- erts_smp_mtx_unlock(&mmap_state.mtx);
+ erts_smp_mtx_unlock(&mm->mtx);
*sizep = asize;
return (void *) seg;
supercarrier_reserve_failure:
- erts_smp_mtx_unlock(&mmap_state.mtx);
+ erts_smp_mtx_unlock(&mm->mtx);
*sizep = 0;
return NULL;
}
void
-erts_munmap(Uint32 flags, void *ptr, UWord size)
+erts_munmap(ErtsMemMapper* mm, Uint32 flags, void *ptr, UWord size)
{
ERTS_MMAP_ASSERT(ERTS_IS_PAGEALIGNED(ptr));
ERTS_MMAP_ASSERT(ERTS_IS_PAGEALIGNED(size));
if (!ERTS_MMAP_IN_SUPERCARRIER(ptr)) {
- ERTS_MMAP_ASSERT(!mmap_state.no_os_mmap);
+ ERTS_MMAP_ASSERT(!mm->no_os_mmap);
#if ERTS_HAVE_OS_MMAP
ERTS_MUNMAP_OP_LCK(ptr, size);
ERTS_MMAP_SIZE_OS_DEC(size);
@@ -1692,45 +1700,45 @@ erts_munmap(Uint32 flags, void *ptr, UWord size)
ErtsFreeSegDesc *prev, *next, *desc;
UWord ad_sz = 0;
- ERTS_MMAP_ASSERT(mmap_state.supercarrier);
+ ERTS_MMAP_ASSERT(mm->supercarrier);
start = (char *) ptr;
end = start + size;
- erts_smp_mtx_lock(&mmap_state.mtx);
+ erts_smp_mtx_lock(&mm->mtx);
ERTS_MUNMAP_OP(ptr, size);
if (ERTS_MMAP_IN_SUPERALIGNED_AREA(ptr)) {
- map = &mmap_state.sa.map;
+ map = &mm->sa.map;
adjacent_free_seg(map, start, end, &prev, &next);
ERTS_MMAP_SIZE_SC_SA_DEC(size);
- if (end == mmap_state.sa.top) {
+ if (end == mm->sa.top) {
ERTS_MMAP_ASSERT(!next);
if (prev) {
start = prev->start;
delete_free_seg(map, prev);
- free_desc(prev);
+ free_desc(mm, prev);
}
- mmap_state.sa.top = start;
+ mm->sa.top = start;
goto supercarrier_success;
}
}
else {
- map = &mmap_state.sua.map;
+ map = &mm->sua.map;
adjacent_free_seg(map, start, end, &prev, &next);
ERTS_MMAP_SIZE_SC_SUA_DEC(size);
- if (start == mmap_state.sua.bot) {
+ if (start == mm->sua.bot) {
ERTS_MMAP_ASSERT(!prev);
if (next) {
end = next->end;
delete_free_seg(map, next);
- free_desc(next);
+ free_desc(mm, next);
}
- mmap_state.sua.bot = end;
+ mm->sua.bot = end;
goto supercarrier_success;
}
}
@@ -1742,7 +1750,7 @@ erts_munmap(Uint32 flags, void *ptr, UWord size)
end = next->end;
if (prev) {
delete_free_seg(map, next);
- free_desc(next);
+ free_desc(mm, next);
goto save_prev;
}
desc = next;
@@ -1756,7 +1764,7 @@ erts_munmap(Uint32 flags, void *ptr, UWord size)
if (desc)
resize_free_seg(map, desc, start, end);
else
- ad_sz = alloc_desc_insert_free_seg(map, start, end);
+ ad_sz = alloc_desc_insert_free_seg(mm, map, start, end);
supercarrier_success: {
UWord unres_sz;
@@ -1764,30 +1772,32 @@ erts_munmap(Uint32 flags, void *ptr, UWord size)
ERTS_MMAP_ASSERT(size >= ad_sz);
unres_sz = size - ad_sz;
if (unres_sz)
- mmap_state.unreserve_physical(((char *) ptr) + ad_sz, unres_sz);
+ mm->unreserve_physical(((char *) ptr) + ad_sz, unres_sz);
- erts_smp_mtx_unlock(&mmap_state.mtx);
+ erts_smp_mtx_unlock(&mm->mtx);
}
}
}
static void *
-remap_move(Uint32 flags, void *ptr, UWord old_size, UWord *sizep)
+remap_move(ErtsMemMapper* mm,
+ Uint32 flags, void *ptr, UWord old_size, UWord *sizep)
{
UWord size = *sizep;
- void *new_ptr = erts_mmap(flags, &size);
+ void *new_ptr = erts_mmap(mm, flags, &size);
if (!new_ptr)
return NULL;
*sizep = size;
if (old_size < size)
size = old_size;
sys_memcpy(new_ptr, ptr, (size_t) size);
- erts_munmap(flags, ptr, old_size);
+ erts_munmap(mm, flags, ptr, old_size);
return new_ptr;
}
void *
-erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep)
+erts_mremap(ErtsMemMapper* mm,
+ Uint32 flags, void *ptr, UWord old_size, UWord *sizep)
{
void *new_ptr;
Uint32 superaligned;
@@ -1799,11 +1809,11 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep)
if (!ERTS_MMAP_IN_SUPERCARRIER(ptr)) {
- ERTS_MMAP_ASSERT(!mmap_state.no_os_mmap);
+ ERTS_MMAP_ASSERT(!mm->no_os_mmap);
- if (!(ERTS_MMAPFLG_OS_ONLY & flags) && mmap_state.supercarrier) {
- new_ptr = remap_move(ERTS_MMAPFLG_SUPERCARRIER_ONLY|flags, ptr,
- old_size, sizep);
+ if (!(ERTS_MMAPFLG_OS_ONLY & flags) && mm->supercarrier) {
+ new_ptr = remap_move(mm, ERTS_MMAPFLG_SUPERCARRIER_ONLY|flags,
+ ptr, old_size, sizep);
if (new_ptr)
return new_ptr;
}
@@ -1850,7 +1860,7 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep)
#endif
#if ERTS_HAVE_OS_MREMAP
if (superaligned)
- return remap_move(flags, new_ptr, old_size, sizep);
+ return remap_move(mm, flags, new_ptr, old_size, sizep);
else {
new_ptr = os_mremap(ptr, old_size, asize, 0);
if (!new_ptr)
@@ -1872,10 +1882,10 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep)
ErtsFreeSegDesc *prev, *next;
UWord ad_sz = 0;
- ERTS_MMAP_ASSERT(mmap_state.supercarrier);
+ ERTS_MMAP_ASSERT(mm->supercarrier);
if (ERTS_MMAPFLG_OS_ONLY & flags)
- return remap_move(flags, ptr, old_size, sizep);
+ return remap_move(mm, flags, ptr, old_size, sizep);
superaligned = (ERTS_MMAPFLG_SUPERALIGNED & flags);
@@ -1883,19 +1893,19 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep)
? ERTS_SUPERALIGNED_CEILING(*sizep)
: ERTS_PAGEALIGNED_CEILING(*sizep));
- erts_smp_mtx_lock(&mmap_state.mtx);
+ erts_smp_mtx_lock(&mm->mtx);
if (ERTS_MMAP_IN_SUPERALIGNED_AREA(ptr)
- ? (!superaligned && lookup_free_seg(&mmap_state.sua.map, asize))
- : (superaligned && lookup_free_seg(&mmap_state.sa.map, asize))) {
- erts_smp_mtx_unlock(&mmap_state.mtx);
+ ? (!superaligned && lookup_free_seg(&mm->sua.map, asize))
+ : (superaligned && lookup_free_seg(&mm->sa.map, asize))) {
+ erts_smp_mtx_unlock(&mm->mtx);
/*
* Segment currently in wrong area (due to a previous memory
* shortage), move it to the right area.
* (remap_move() will succeed)
*/
- return remap_move(ERTS_MMAPFLG_SUPERCARRIER_ONLY|flags, ptr,
- old_size, sizep);
+ return remap_move(mm, ERTS_MMAPFLG_SUPERCARRIER_ONLY|flags,
+ ptr, old_size, sizep);
}
ERTS_MREMAP_OP_START(ptr, old_size, *sizep);
@@ -1917,18 +1927,18 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep)
UWord unres_sz;
new_ptr = ptr;
if (!ERTS_MMAP_IN_SUPERALIGNED_AREA(ptr)) {
- map = &mmap_state.sua.map;
+ map = &mm->sua.map;
ERTS_MMAP_SIZE_SC_SUA_DEC(old_size - asize);
}
else {
- if (end == mmap_state.sa.top) {
- mmap_state.sa.top = new_end;
- mmap_state.unreserve_physical(((char *) ptr) + asize,
+ if (end == mm->sa.top) {
+ mm->sa.top = new_end;
+ mm->unreserve_physical(((char *) ptr) + asize,
old_size - asize);
goto supercarrier_resize_success;
}
ERTS_MMAP_SIZE_SC_SA_DEC(old_size - asize);
- map = &mmap_state.sa.map;
+ map = &mm->sa.map;
}
adjacent_free_seg(map, start, end, &prev, &next);
@@ -1936,11 +1946,11 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep)
if (next)
resize_free_seg(map, next, new_end, next->end);
else
- ad_sz = alloc_desc_insert_free_seg(map, new_end, end);
+ ad_sz = alloc_desc_insert_free_seg(mm, map, new_end, end);
ERTS_MMAP_ASSERT(old_size - asize >= ad_sz);
unres_sz = old_size - asize - ad_sz;
if (unres_sz)
- mmap_state.unreserve_physical(((char *) ptr) + asize + ad_sz,
+ mm->unreserve_physical(((char *) ptr) + asize + ad_sz,
unres_sz);
goto supercarrier_resize_success;
}
@@ -1950,17 +1960,17 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep)
ERTS_MMAP_ASSERT(ERTS_IS_PAGEALIGNED(old_size));
ERTS_MMAP_ASSERT(ERTS_IS_PAGEALIGNED(asize));
- adjacent_free_seg(&mmap_state.sua.map, start, end, &prev, &next);
+ adjacent_free_seg(&mm->sua.map, start, end, &prev, &next);
if (next && new_end <= next->end) {
- if (!mmap_state.reserve_physical(((char *) ptr) + old_size,
+ if (!mm->reserve_physical(((char *) ptr) + old_size,
asize - old_size))
goto supercarrier_reserve_failure;
if (new_end < next->end)
- resize_free_seg(&mmap_state.sua.map, next, new_end, next->end);
+ resize_free_seg(&mm->sua.map, next, new_end, next->end);
else {
- delete_free_seg(&mmap_state.sua.map, next);
- free_desc(next);
+ delete_free_seg(&mm->sua.map, next);
+ free_desc(mm, next);
}
new_ptr = ptr;
ERTS_MMAP_SIZE_SC_SUA_INC(asize - old_size);
@@ -1969,28 +1979,28 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep)
}
else { /* Superaligned area */
- if (end == mmap_state.sa.top) {
- if (new_end <= mmap_state.sua.bot) {
- if (!mmap_state.reserve_physical(((char *) ptr) + old_size,
+ if (end == mm->sa.top) {
+ if (new_end <= mm->sua.bot) {
+ if (!mm->reserve_physical(((char *) ptr) + old_size,
asize - old_size))
goto supercarrier_reserve_failure;
- mmap_state.sa.top = new_end;
+ mm->sa.top = new_end;
new_ptr = ptr;
ERTS_MMAP_SIZE_SC_SA_INC(asize - old_size);
goto supercarrier_resize_success;
}
}
else {
- adjacent_free_seg(&mmap_state.sa.map, start, end, &prev, &next);
+ adjacent_free_seg(&mm->sa.map, start, end, &prev, &next);
if (next && new_end <= next->end) {
- if (!mmap_state.reserve_physical(((char *) ptr) + old_size,
+ if (!mm->reserve_physical(((char *) ptr) + old_size,
asize - old_size))
goto supercarrier_reserve_failure;
if (new_end < next->end)
- resize_free_seg(&mmap_state.sa.map, next, new_end, next->end);
+ resize_free_seg(&mm->sa.map, next, new_end, next->end);
else {
- delete_free_seg(&mmap_state.sa.map, next);
- free_desc(next);
+ delete_free_seg(&mm->sa.map, next);
+ free_desc(mm, next);
}
new_ptr = ptr;
ERTS_MMAP_SIZE_SC_SA_INC(asize - old_size);
@@ -2000,12 +2010,12 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep)
}
ERTS_MMAP_OP_ABORT();
- erts_smp_mtx_unlock(&mmap_state.mtx);
+ erts_smp_mtx_unlock(&mm->mtx);
/* Failed to resize... */
}
- return remap_move(flags, ptr, old_size, sizep);
+ return remap_move(mm, flags, ptr, old_size, sizep);
supercarrier_resize_success:
@@ -2022,25 +2032,24 @@ supercarrier_resize_success:
#endif
ERTS_MREMAP_OP_END(new_ptr, asize);
- erts_smp_mtx_unlock(&mmap_state.mtx);
+ erts_smp_mtx_unlock(&mm->mtx);
*sizep = asize;
return new_ptr;
supercarrier_reserve_failure:
ERTS_MREMAP_OP_END(NULL, old_size);
- erts_smp_mtx_unlock(&mmap_state.mtx);
+ erts_smp_mtx_unlock(&mm->mtx);
*sizep = old_size;
return NULL;
}
-int erts_mmap_in_supercarrier(void *ptr)
+int erts_mmap_in_supercarrier(ErtsMemMapper* mm, void *ptr)
{
return ERTS_MMAP_IN_SUPERCARRIER(ptr);
}
-
static struct {
Eterm total;
Eterm total_sa;
@@ -2103,8 +2112,9 @@ static void hard_dbg_mseg_init(void);
#endif
void
-erts_mmap_init(ErtsMMapInit *init)
+erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init)
{
+ static int is_first_call = 1;
int virtual_map = 0;
char *start = NULL, *end = NULL;
UWord pagesize;
@@ -2131,20 +2141,20 @@ erts_mmap_init(ErtsMMapInit *init)
ERTS_MMAP_OP_RINGBUF_INIT();
- erts_have_erts_mmap = 0;
-
- mmap_state.supercarrier = 0;
- mmap_state.reserve_physical = reserve_noop;
- mmap_state.unreserve_physical = unreserve_noop;
+ mm->supercarrier = 0;
+ mm->reserve_physical = reserve_noop;
+ mm->unreserve_physical = unreserve_noop;
#if HAVE_MMAP && !defined(MAP_ANON)
- mmap_state.mmap_fd = open("/dev/zero", O_RDWR);
- if (mmap_state.mmap_fd < 0)
+ mm->mmap_fd = open("/dev/zero", O_RDWR);
+ if (mm->mmap_fd < 0)
erl_exit(-1, "erts_mmap: Failed to open /dev/zero\n");
#endif
- erts_smp_mtx_init(&mmap_state.mtx, "erts_mmap");
- erts_mtx_init(&am.init_mutex, "mmap_init_atoms");
+ erts_smp_mtx_init(&mm->mtx, "erts_mmap");
+ if (is_first_call) {
+ erts_mtx_init(&am.init_mutex, "mmap_init_atoms");
+ }
#ifdef ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION
if (init->virtual_range.start) {
@@ -2160,8 +2170,8 @@ erts_mmap_init(ErtsMMapInit *init)
sz = start - ptr;
if (sz)
os_munmap(end, sz);
- mmap_state.reserve_physical = os_reserve_physical;
- mmap_state.unreserve_physical = os_unreserve_physical;
+ mm->reserve_physical = os_reserve_physical;
+ mm->unreserve_physical = os_unreserve_physical;
virtual_map = 1;
}
else
@@ -2179,8 +2189,8 @@ erts_mmap_init(ErtsMMapInit *init)
#ifdef ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION
if (!init->scrpm) {
start = os_mmap_virtual(NULL, sz);
- mmap_state.reserve_physical = os_reserve_physical;
- mmap_state.unreserve_physical = os_unreserve_physical;
+ mm->reserve_physical = os_reserve_physical;
+ mm->unreserve_physical = os_unreserve_physical;
virtual_map = 1;
}
else
@@ -2206,34 +2216,32 @@ erts_mmap_init(ErtsMMapInit *init)
}
#endif
}
- if (!mmap_state.no_os_mmap)
- erts_have_erts_mmap |= ERTS_HAVE_ERTS_OS_MMAP;
#endif
- mmap_state.no.free_seg_descs = 0;
- mmap_state.no.free_segs.curr = 0;
- mmap_state.no.free_segs.max = 0;
+ mm->no.free_seg_descs = 0;
+ mm->no.free_segs.curr = 0;
+ mm->no.free_segs.max = 0;
- mmap_state.size.supercarrier.total = 0;
- mmap_state.size.supercarrier.used.total = 0;
- mmap_state.size.supercarrier.used.sa = 0;
- mmap_state.size.supercarrier.used.sua = 0;
- mmap_state.size.os.used = 0;
+ mm->size.supercarrier.total = 0;
+ mm->size.supercarrier.used.total = 0;
+ mm->size.supercarrier.used.sa = 0;
+ mm->size.supercarrier.used.sua = 0;
+ mm->size.os.used = 0;
- mmap_state.desc.new_area_hint = NULL;
+ mm->desc.new_area_hint = NULL;
if (!start) {
- mmap_state.sa.bot = NULL;
- mmap_state.sua.top = NULL;
- mmap_state.sa.bot = NULL;
- mmap_state.sua.top = NULL;
- mmap_state.no_os_mmap = 0;
- mmap_state.supercarrier = 0;
+ mm->sa.bot = NULL;
+ mm->sua.top = NULL;
+ mm->sa.bot = NULL;
+ mm->sua.top = NULL;
+ mm->no_os_mmap = 0;
+ mm->supercarrier = 0;
}
else {
size_t desc_size;
- mmap_state.no_os_mmap = init->sco;
+ mm->no_os_mmap = init->sco;
desc_size = init->scrfsd;
if (desc_size < 100)
@@ -2244,66 +2252,73 @@ erts_mmap_init(ErtsMMapInit *init)
+ ERTS_PAGEALIGNED_SIZE) > end - start)
erl_exit(-1, "erts_mmap: No space for segments in super carrier\n");
- mmap_state.sa.bot = start;
- mmap_state.sa.bot += desc_size;
- mmap_state.sa.bot = (char *) ERTS_SUPERALIGNED_CEILING(mmap_state.sa.bot);
- mmap_state.sa.top = mmap_state.sa.bot;
- mmap_state.sua.top = end;
- mmap_state.sua.bot = mmap_state.sua.top;
+ mm->sa.bot = start;
+ mm->sa.bot += desc_size;
+ mm->sa.bot = (char *) ERTS_SUPERALIGNED_CEILING(mm->sa.bot);
+ mm->sa.top = mm->sa.bot;
+ mm->sua.top = end;
+ mm->sua.bot = mm->sua.top;
- mmap_state.size.supercarrier.used.total += (UWord) (mmap_state.sa.bot - start);
+ mm->size.supercarrier.used.total += (UWord) (mm->sa.bot - start);
- mmap_state.desc.free_list = NULL;
- mmap_state.desc.reserved = 0;
+ mm->desc.free_list = NULL;
+ mm->desc.reserved = 0;
if (end == (void *) 0) {
/*
* Very unlikely, but we need a guarantee
- * that `mmap_state.sua.top` always will
+ * that `mm->sua.top` always will
* compare as larger than all segment pointers
* into the super carrier...
*/
- mmap_state.sua.top -= ERTS_PAGEALIGNED_SIZE;
- mmap_state.size.supercarrier.used.total += ERTS_PAGEALIGNED_SIZE;
+ mm->sua.top -= ERTS_PAGEALIGNED_SIZE;
+ mm->size.supercarrier.used.total += ERTS_PAGEALIGNED_SIZE;
#ifdef ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION
- if (!virtual_map || os_reserve_physical(mmap_state.sua.top, ERTS_PAGEALIGNED_SIZE))
+ if (!virtual_map || os_reserve_physical(mm->sua.top, ERTS_PAGEALIGNED_SIZE))
#endif
- add_free_desc_area(mmap_state.sua.top, end);
- mmap_state.desc.reserved += (end - mmap_state.sua.top) / sizeof(ErtsFreeSegDesc);
+ add_free_desc_area(mm, mm->sua.top, end);
+ mm->desc.reserved += (end - mm->sua.top) / sizeof(ErtsFreeSegDesc);
}
- mmap_state.size.supercarrier.total = (UWord) (mmap_state.sua.top - start);
+ mm->size.supercarrier.total = (UWord) (mm->sua.top - start);
/*
* Area before (and after) super carrier
* will be used for free segment descritors.
*/
#ifdef ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION
- if (virtual_map && !os_reserve_physical(start, mmap_state.sa.bot - start))
+ if (virtual_map && !os_reserve_physical(start, mm->sa.bot - start))
erl_exit(-1, "erts_mmap: Failed to reserve physical memory for descriptors\n");
#endif
- mmap_state.desc.unused_start = start;
- mmap_state.desc.unused_end = mmap_state.sa.bot;
- mmap_state.desc.reserved += ((mmap_state.desc.unused_end - start)
+ mm->desc.unused_start = start;
+ mm->desc.unused_end = mm->sa.bot;
+ mm->desc.reserved += ((mm->desc.unused_end - start)
/ sizeof(ErtsFreeSegDesc));
- init_free_seg_map(&mmap_state.sa.map, SA_SZ_ADDR_ORDER);
- init_free_seg_map(&mmap_state.sua.map, SZ_REVERSE_ADDR_ORDER);
+ init_free_seg_map(&mm->sa.map, SA_SZ_ADDR_ORDER);
+ init_free_seg_map(&mm->sua.map, SZ_REVERSE_ADDR_ORDER);
- mmap_state.supercarrier = 1;
- erts_have_erts_mmap |= ERTS_HAVE_ERTS_SUPERCARRIER_MMAP;
+ mm->supercarrier = 1;
- mmap_state.desc.new_area_hint = end;
+ mm->desc.new_area_hint = end;
}
#if !ERTS_HAVE_OS_MMAP
- mmap_state.no_os_mmap = 1;
+ mm->no_os_mmap = 1;
#endif
#ifdef HARD_DEBUG_MSEG
hard_dbg_mseg_init();
#endif
+
+#if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
+ if (mm == &erts_literal_mmapper) {
+ erts_literals_start = erts_literal_mmapper.sa.bot;
+ erts_literals_size = erts_literal_mmapper.sua.top - erts_literals_start;
+ }
+#endif
+ is_first_call = 0;
}
@@ -2313,7 +2328,8 @@ add_2tup(Uint **hpp, Uint *szp, Eterm *lp, Eterm el1, Eterm el2)
*lp = erts_bld_cons(hpp, szp, erts_bld_tuple(hpp, szp, 2, el1, el2), *lp);
}
-Eterm erts_mmap_info(int *print_to_p,
+Eterm erts_mmap_info(ErtsMemMapper* mm,
+ int *print_to_p,
void *print_to_arg,
Eterm** hpp, Uint* szp,
struct erts_mmap_info_struct* emis)
@@ -2328,29 +2344,29 @@ Eterm erts_mmap_info(int *print_to_p,
Eterm res = THE_NON_VALUE;
if (!hpp) {
- erts_smp_mtx_lock(&mmap_state.mtx);
- emis->sizes[0] = mmap_state.size.supercarrier.total;
- emis->sizes[1] = mmap_state.sa.top - mmap_state.sa.bot;
- emis->sizes[2] = mmap_state.sua.top - mmap_state.sua.bot;
- emis->sizes[3] = mmap_state.size.supercarrier.used.total;
- emis->sizes[4] = mmap_state.size.supercarrier.used.sa;
- emis->sizes[5] = mmap_state.size.supercarrier.used.sua;
+ erts_smp_mtx_lock(&mm->mtx);
+ emis->sizes[0] = mm->size.supercarrier.total;
+ emis->sizes[1] = mm->sa.top - mm->sa.bot;
+ emis->sizes[2] = mm->sua.top - mm->sua.bot;
+ emis->sizes[3] = mm->size.supercarrier.used.total;
+ emis->sizes[4] = mm->size.supercarrier.used.sa;
+ emis->sizes[5] = mm->size.supercarrier.used.sua;
- emis->segs[0] = mmap_state.no.free_segs.curr;
- emis->segs[1] = mmap_state.no.free_segs.max;
- emis->segs[2] = mmap_state.no.free_seg_descs;
- emis->segs[3] = mmap_state.desc.reserved;
- emis->segs[4] = mmap_state.sa.map.nseg;
- emis->segs[5] = mmap_state.sua.map.nseg;
+ emis->segs[0] = mm->no.free_segs.curr;
+ emis->segs[1] = mm->no.free_segs.max;
+ emis->segs[2] = mm->no.free_seg_descs;
+ emis->segs[3] = mm->desc.reserved;
+ emis->segs[4] = mm->sa.map.nseg;
+ emis->segs[5] = mm->sua.map.nseg;
- emis->os_used = mmap_state.size.os.used;
- erts_smp_mtx_unlock(&mmap_state.mtx);
+ emis->os_used = mm->size.os.used;
+ erts_smp_mtx_unlock(&mm->mtx);
}
if (print_to_p) {
int to = *print_to_p;
void *arg = print_to_arg;
- if (mmap_state.supercarrier) {
+ if (mm->supercarrier) {
const char* prefix = "supercarrier ";
erts_print(to, arg, "%stotal size: %bpu\n", prefix, emis->sizes[0]);
erts_print(to, arg, "%stotal sa size: %bpu\n", prefix, emis->sizes[1]);
@@ -2365,7 +2381,7 @@ Eterm erts_mmap_info(int *print_to_p,
erts_print(to, arg, "%ssa free segs: %bpu\n", prefix, emis->segs[4]);
erts_print(to, arg, "%ssua free segs: %bpu\n", prefix, emis->segs[5]);
}
- if (!mmap_state.no_os_mmap) {
+ if (!mm->no_os_mmap) {
erts_print(to, arg, "os mmap size used: %bpu\n", emis->os_used);
}
}
@@ -2377,7 +2393,7 @@ Eterm erts_mmap_info(int *print_to_p,
}
lix = 0;
- if (mmap_state.supercarrier) {
+ if (mm->supercarrier) {
group[0] = erts_bld_atom_uword_2tup_list(hpp, szp,
sizeof(size_tags)/sizeof(Eterm),
size_tags, emis->sizes);
@@ -2389,7 +2405,7 @@ Eterm erts_mmap_info(int *print_to_p,
lix++;
}
- if (!mmap_state.no_os_mmap) {
+ if (!mm->no_os_mmap) {
group[0] = erts_bld_atom_uword_2tup_list(hpp, szp,
1, &am.used, &emis->os_used);
list[lix] = erts_bld_2tup_list(hpp, szp, 1, group_tags, group);
@@ -2401,25 +2417,26 @@ Eterm erts_mmap_info(int *print_to_p,
return res;
}
-Eterm erts_mmap_info_options(char *prefix,
+Eterm erts_mmap_info_options(ErtsMemMapper* mm,
+ char *prefix,
int *print_to_p,
void *print_to_arg,
Uint **hpp,
Uint *szp)
{
- const UWord scs = mmap_state.sua.top - mmap_state.sa.bot;
- const Eterm sco = mmap_state.no_os_mmap ? am_true : am_false;
- const Eterm scrpm = (mmap_state.reserve_physical == reserve_noop) ? am_true : am_false;
+ const UWord scs = mm->sua.top - mm->sa.bot;
+ const Eterm sco = mm->no_os_mmap ? am_true : am_false;
+ const Eterm scrpm = (mm->reserve_physical == reserve_noop) ? am_true : am_false;
Eterm res = THE_NON_VALUE;
if (print_to_p) {
int to = *print_to_p;
void *arg = print_to_arg;
erts_print(to, arg, "%sscs: %bpu\n", prefix, scs);
- if (mmap_state.supercarrier) {
+ if (mm->supercarrier) {
erts_print(to, arg, "%ssco: %T\n", prefix, sco);
erts_print(to, arg, "%sscrpm: %T\n", prefix, scrpm);
- erts_print(to, arg, "%sscrfsd: %beu\n", prefix, mmap_state.desc.reserved);
+ erts_print(to, arg, "%sscrfsd: %beu\n", prefix, mm->desc.reserved);
}
}
@@ -2429,9 +2446,9 @@ Eterm erts_mmap_info_options(char *prefix,
}
res = NIL;
- if (mmap_state.supercarrier) {
+ if (mm->supercarrier) {
add_2tup(hpp, szp, &res, am.scrfsd,
- erts_bld_uint(hpp,szp, mmap_state.desc.reserved));
+ erts_bld_uint(hpp,szp, mm->desc.reserved));
add_2tup(hpp, szp, &res, am.scrpm, scrpm);
add_2tup(hpp, szp, &res, am.sco, sco);
}
@@ -2441,9 +2458,9 @@ Eterm erts_mmap_info_options(char *prefix,
}
-Eterm erts_mmap_debug_info(Process* p)
+Eterm erts_mmap_debug_info(ErtsMemMapper* mm, Process* p)
{
- if (mmap_state.supercarrier) {
+ if (mm->supercarrier) {
ERTS_DECL_AM(sabot);
ERTS_DECL_AM(satop);
ERTS_DECL_AM(suabot);
@@ -2453,18 +2470,17 @@ Eterm erts_mmap_debug_info(Process* p)
UWord values[4];
Eterm *hp, *hp_end;
Uint may_need;
- const Uint PTR_BIG_SZ = HALFWORD_HEAP ? 3 : 2;
-
- erts_smp_mtx_lock(&mmap_state.mtx);
- values[0] = (UWord)mmap_state.sa.bot;
- values[1] = (UWord)mmap_state.sa.top;
- values[2] = (UWord)mmap_state.sua.bot;
- values[3] = (UWord)mmap_state.sua.top;
- sa_list = build_free_seg_list(p, &mmap_state.sa.map);
- sua_list = build_free_seg_list(p, &mmap_state.sua.map);
- erts_smp_mtx_unlock(&mmap_state.mtx);
-
- may_need = 4*(2+3+PTR_BIG_SZ) + 2*(2+3);
+
+ erts_smp_mtx_lock(&mm->mtx);
+ values[0] = (UWord)mm->sa.bot;
+ values[1] = (UWord)mm->sa.top;
+ values[2] = (UWord)mm->sua.bot;
+ values[3] = (UWord)mm->sua.top;
+ sa_list = build_free_seg_list(p, &mm->sa.map);
+ sua_list = build_free_seg_list(p, &mm->sua.map);
+ erts_smp_mtx_unlock(&mm->mtx);
+
+ may_need = 4*(2+3+2) + 2*(2+3);
hp = HAlloc(p, may_need);
hp_end = hp + may_need;
diff --git a/erts/emulator/sys/common/erl_mmap.h b/erts/emulator/sys/common/erl_mmap.h
index 66619c5161..61d912fd28 100644
--- a/erts/emulator/sys/common/erl_mmap.h
+++ b/erts/emulator/sys/common/erl_mmap.h
@@ -30,9 +30,6 @@
#define ERTS_MMAPFLG_SUPERCARRIER_ONLY (((Uint32) 1) << 1)
#define ERTS_MMAPFLG_SUPERALIGNED (((Uint32) 1) << 2)
-#define ERTS_HAVE_ERTS_OS_MMAP (1 << 0)
-#define ERTS_HAVE_ERTS_SUPERCARRIER_MMAP (1 << 1)
-extern int erts_have_erts_mmap;
extern UWord erts_page_inv_mask;
typedef struct {
@@ -53,23 +50,29 @@ typedef struct {
#define ERTS_MMAP_INIT_DEFAULT_INITER \
{{NULL, NULL}, {NULL, NULL}, 0, 1, (1 << 16), 1}
-void *erts_mmap(Uint32 flags, UWord *sizep);
-void erts_munmap(Uint32 flags, void *ptr, UWord size);
-void *erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep);
-int erts_mmap_in_supercarrier(void *ptr);
-void erts_mmap_init(ErtsMMapInit*);
+#define ERTS_MMAP_INIT_LITERAL_INITER \
+ {{NULL, NULL}, {NULL, NULL}, 1024*1024*1024, 1, (1 << 16), 0}
+
+typedef struct ErtsMemMapper_ ErtsMemMapper;
+
+void *erts_mmap(ErtsMemMapper*, Uint32 flags, UWord *sizep);
+void erts_munmap(ErtsMemMapper*, Uint32 flags, void *ptr, UWord size);
+void *erts_mremap(ErtsMemMapper*, Uint32 flags, void *ptr, UWord old_size, UWord *sizep);
+int erts_mmap_in_supercarrier(ErtsMemMapper*, void *ptr);
+void erts_mmap_init(ErtsMemMapper*, ErtsMMapInit*);
struct erts_mmap_info_struct
{
UWord sizes[6];
UWord segs[6];
UWord os_used;
};
-Eterm erts_mmap_info(int *print_to_p, void *print_to_arg,
+Eterm erts_mmap_info(ErtsMemMapper*, int *print_to_p, void *print_to_arg,
Eterm** hpp, Uint* szp, struct erts_mmap_info_struct*);
-Eterm erts_mmap_info_options(char *prefix, int *print_to_p, void *print_to_arg,
+Eterm erts_mmap_info_options(ErtsMemMapper*,
+ char *prefix, int *print_to_p, void *print_to_arg,
Uint **hpp, Uint *szp);
struct process;
-Eterm erts_mmap_debug_info(struct process*);
+Eterm erts_mmap_debug_info(ErtsMemMapper*, struct process*);
#define ERTS_SUPERALIGNED_SIZE \
(1 << ERTS_MMAP_SUPERALIGNED_BITS)
@@ -121,6 +124,11 @@ Eterm erts_mmap_debug_info(struct process*);
# define ERTS_HAVE_OS_MMAP 1
#endif
+extern ErtsMemMapper erts_dflt_mmapper;
+#if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
+extern ErtsMemMapper erts_literal_mmapper;
+#endif
+
/*#define HARD_DEBUG_MSEG*/
#ifdef HARD_DEBUG_MSEG
# define HARD_DBG_INSERT_MSEG hard_dbg_insert_mseg
diff --git a/erts/emulator/sys/common/erl_mseg.c b/erts/emulator/sys/common/erl_mseg.c
index 0d51aad863..20695899eb 100644
--- a/erts/emulator/sys/common/erl_mseg.c
+++ b/erts/emulator/sys/common/erl_mseg.c
@@ -99,17 +99,12 @@ static const int debruijn[32] = {
static int atoms_initialized;
-typedef struct mem_kind_t MemKind;
-
const ErtsMsegOpt_t erts_mseg_default_opt = {
1, /* Use cache */
1, /* Preserv data */
0, /* Absolute shrink threshold */
0, /* Relative shrink threshold */
0 /* Scheduler specific */
-#if HALFWORD_HEAP
- ,0 /* need low memory */
-#endif
};
@@ -142,7 +137,14 @@ struct cache_t_ {
typedef struct ErtsMsegAllctr_t_ ErtsMsegAllctr_t;
-struct mem_kind_t {
+struct ErtsMsegAllctr_t_ {
+ int ix;
+
+ int is_init_done;
+ int is_thread_safe;
+ erts_mtx_t mtx;
+
+ int is_cache_check_scheduled;
cache_t cache[MAX_CACHE_SIZE];
cache_t cache_unpowered_node;
@@ -168,29 +170,6 @@ struct mem_kind_t {
} max_ever;
} segments;
- ErtsMsegAllctr_t *ma;
- const char* name;
- MemKind* next;
-};/*MemKind*/
-
-struct ErtsMsegAllctr_t_ {
- int ix;
-
- int is_init_done;
- int is_thread_safe;
- erts_mtx_t mtx;
-
- int is_cache_check_scheduled;
-
- MemKind* mk_list;
-
-#if HALFWORD_HEAP
- MemKind low_mem;
- MemKind hi_mem;
-#else
- MemKind the_mem;
-#endif
-
Uint max_cache_size;
Uint abs_max_cache_bad_fit;
Uint rel_max_cache_bad_fit;
@@ -302,22 +281,17 @@ schedule_cache_check(ErtsMsegAllctr_t *ma) {
/* #define ERTS_PRINT_ERTS_MMAP */
static ERTS_INLINE void *
-mseg_create(ErtsMsegAllctr_t *ma, Uint flags, MemKind* mk, UWord *sizep)
+mseg_create(ErtsMsegAllctr_t *ma, Uint flags, UWord *sizep)
{
#ifdef ERTS_PRINT_ERTS_MMAP
UWord req_size = *sizep;
#endif
void *seg;
Uint32 mmap_flags = 0;
-#if HALFWORD_HEAP
- mmap_flags |= ((mk == &ma->low_mem)
- ? ERTS_MMAPFLG_SUPERCARRIER_ONLY
- : ERTS_MMAPFLG_OS_ONLY);
-#endif
if (MSEG_FLG_IS_2POW(flags))
mmap_flags |= ERTS_MMAPFLG_SUPERALIGNED;
- seg = erts_mmap(mmap_flags, sizep);
+ seg = erts_mmap(&erts_dflt_mmapper, mmap_flags, sizep);
#ifdef ERTS_PRINT_ERTS_MMAP
erts_fprintf(stderr, "%p = erts_mmap(%s, {%bpu, %bpu});\n", seg,
@@ -331,18 +305,13 @@ mseg_create(ErtsMsegAllctr_t *ma, Uint flags, MemKind* mk, UWord *sizep)
}
static ERTS_INLINE void
-mseg_destroy(ErtsMsegAllctr_t *ma, Uint flags, MemKind* mk, void *seg_p, UWord size) {
+mseg_destroy(ErtsMsegAllctr_t *ma, Uint flags, void *seg_p, UWord size) {
Uint32 mmap_flags = 0;
-#if HALFWORD_HEAP
- mmap_flags |= ((mk == &ma->low_mem)
- ? ERTS_MMAPFLG_SUPERCARRIER_ONLY
- : ERTS_MMAPFLG_OS_ONLY);
-#endif
if (MSEG_FLG_IS_2POW(flags))
mmap_flags |= ERTS_MMAPFLG_SUPERALIGNED;
- erts_munmap(mmap_flags, seg_p, size);
+ erts_munmap(&erts_dflt_mmapper, mmap_flags, seg_p, size);
#ifdef ERTS_PRINT_ERTS_MMAP
erts_fprintf(stderr, "erts_munmap(%s, %p, %bpu);\n",
(mmap_flags & ERTS_MMAPFLG_SUPERALIGNED) ? "sa" : "sua",
@@ -353,22 +322,17 @@ mseg_destroy(ErtsMsegAllctr_t *ma, Uint flags, MemKind* mk, void *seg_p, UWord s
}
static ERTS_INLINE void *
-mseg_recreate(ErtsMsegAllctr_t *ma, Uint flags, MemKind* mk, void *old_seg, UWord old_size, UWord *sizep)
+mseg_recreate(ErtsMsegAllctr_t *ma, Uint flags, void *old_seg, UWord old_size, UWord *sizep)
{
#ifdef ERTS_PRINT_ERTS_MMAP
UWord req_size = *sizep;
#endif
void *new_seg;
Uint32 mmap_flags = 0;
-#if HALFWORD_HEAP
- mmap_flags |= ((mk == &ma->low_mem)
- ? ERTS_MMAPFLG_SUPERCARRIER_ONLY
- : ERTS_MMAPFLG_OS_ONLY);
-#endif
if (MSEG_FLG_IS_2POW(flags))
mmap_flags |= ERTS_MMAPFLG_SUPERALIGNED;
- new_seg = erts_mremap(mmap_flags, old_seg, old_size, sizep);
+ new_seg = erts_mremap(&erts_dflt_mmapper, mmap_flags, old_seg, old_size, sizep);
#ifdef ERTS_PRINT_ERTS_MMAP
erts_fprintf(stderr, "%p = erts_mremap(%s, %p, %bpu, {%bpu, %bpu});\n",
@@ -392,11 +356,8 @@ do { \
|| erts_smp_thr_progress_is_blocking() \
|| ERTS_IS_CRASH_DUMPING); \
} while (0)
-#define ERTS_DBG_MK_CHK_THR_ACCESS(MK) \
- ERTS_DBG_MA_CHK_THR_ACCESS((MK)->ma)
#else
#define ERTS_DBG_MA_CHK_THR_ACCESS(MA)
-#define ERTS_DBG_MK_CHK_THR_ACCESS(MK)
#endif
/* Cache interface */
@@ -409,10 +370,10 @@ static ERTS_INLINE void mseg_cache_clear_node(cache_t *c) {
c->prev = c;
}
-static ERTS_INLINE int cache_bless_segment(MemKind *mk, void *seg, UWord size, Uint flags) {
+static ERTS_INLINE int cache_bless_segment(ErtsMsegAllctr_t *ma, void *seg, UWord size, Uint flags) {
cache_t *c;
- ERTS_DBG_MK_CHK_THR_ACCESS(mk);
+ ERTS_DBG_MA_CHK_THR_ACCESS(ma);
ASSERT(!MSEG_FLG_IS_2POW(flags) || (MSEG_FLG_IS_2POW(flags) && MAP_IS_ALIGNED(seg) && IS_2POW(size)));
@@ -421,11 +382,11 @@ static ERTS_INLINE int cache_bless_segment(MemKind *mk, void *seg, UWord size, U
* Large blocks has no such cache and it is up to mseg to cache them to speed things up.
*/
- if (!erts_circleq_is_empty(&(mk->cache_free))) {
+ if (!erts_circleq_is_empty(&(ma->cache_free))) {
/* We have free slots, use one to cache the segment */
- c = erts_circleq_head(&(mk->cache_free));
+ c = erts_circleq_head(&(ma->cache_free));
erts_circleq_remove(c);
c->seg = seg;
@@ -437,29 +398,28 @@ static ERTS_INLINE int cache_bless_segment(MemKind *mk, void *seg, UWord size, U
ASSERT(ix < CACHE_AREAS);
ASSERT((1 << (ix + MSEG_ALIGN_BITS)) == size);
- erts_circleq_push_head(&(mk->cache_powered_node[ix]), c);
+ erts_circleq_push_head(&(ma->cache_powered_node[ix]), c);
} else
- erts_circleq_push_head(&(mk->cache_unpowered_node), c);
+ erts_circleq_push_head(&(ma->cache_unpowered_node), c);
- mk->cache_size++;
- ASSERT(mk->cache_size <= mk->ma->max_cache_size);
+ ma->cache_size++;
return 1;
- } else if (!MSEG_FLG_IS_2POW(flags) && !erts_circleq_is_empty(&(mk->cache_unpowered_node))) {
+ } else if (!MSEG_FLG_IS_2POW(flags) && !erts_circleq_is_empty(&(ma->cache_unpowered_node))) {
/* No free slots.
* Evict oldest slot from unpowered cache so we can cache an unpowered (sbc) segment */
- c = erts_circleq_tail(&(mk->cache_unpowered_node));
+ c = erts_circleq_tail(&(ma->cache_unpowered_node));
erts_circleq_remove(c);
- mseg_destroy(mk->ma, ERTS_MSEG_FLG_NONE, mk, c->seg, c->size);
+ mseg_destroy(ma, ERTS_MSEG_FLG_NONE, c->seg, c->size);
mseg_cache_clear_node(c);
c->seg = seg;
c->size = size;
- erts_circleq_push_head(&(mk->cache_unpowered_node), c);
+ erts_circleq_push_head(&(ma->cache_unpowered_node), c);
return 1;
} else if (!MSEG_FLG_IS_2POW(flags)) {
@@ -473,20 +433,20 @@ static ERTS_INLINE int cache_bless_segment(MemKind *mk, void *seg, UWord size, U
int i;
for( i = 0; i < CACHE_AREAS; i++) {
- if (erts_circleq_is_empty(&(mk->cache_powered_node[i])))
+ if (erts_circleq_is_empty(&(ma->cache_powered_node[i])))
continue;
- c = erts_circleq_tail(&(mk->cache_powered_node[i]));
+ c = erts_circleq_tail(&(ma->cache_powered_node[i]));
erts_circleq_remove(c);
- mseg_destroy(mk->ma, ERTS_MSEG_FLG_2POW, mk, c->seg, c->size);
+ mseg_destroy(ma, ERTS_MSEG_FLG_2POW, c->seg, c->size);
mseg_cache_clear_node(c);
c->seg = seg;
c->size = size;
- erts_circleq_push_head(&(mk->cache_unpowered_node), c);
+ erts_circleq_push_head(&(ma->cache_unpowered_node), c);
return 1;
}
@@ -495,11 +455,11 @@ static ERTS_INLINE int cache_bless_segment(MemKind *mk, void *seg, UWord size, U
return 0;
}
-static ERTS_INLINE void *cache_get_segment(MemKind *mk, UWord *size_p, Uint flags) {
+static ERTS_INLINE void *cache_get_segment(ErtsMsegAllctr_t *ma, UWord *size_p, Uint flags) {
UWord size = *size_p;
- ERTS_DBG_MK_CHK_THR_ACCESS(mk);
+ ERTS_DBG_MA_CHK_THR_ACCESS(ma);
if (MSEG_FLG_IS_2POW(flags)) {
@@ -512,10 +472,10 @@ static ERTS_INLINE void *cache_get_segment(MemKind *mk, UWord *size_p, Uint flag
for( i = ix; i < CACHE_AREAS; i++) {
- if (erts_circleq_is_empty(&(mk->cache_powered_node[i])))
+ if (erts_circleq_is_empty(&(ma->cache_powered_node[i])))
continue;
- c = erts_circleq_head(&(mk->cache_powered_node[i]));
+ c = erts_circleq_head(&(ma->cache_powered_node[i]));
erts_circleq_remove(c);
ASSERT(IS_2POW(c->size));
@@ -524,31 +484,31 @@ static ERTS_INLINE void *cache_get_segment(MemKind *mk, UWord *size_p, Uint flag
csize = c->size;
seg = (char*) c->seg;
- mk->cache_size--;
- mk->cache_hits++;
+ ma->cache_size--;
+ ma->cache_hits++;
/* link to free cache list */
mseg_cache_clear_node(c);
- erts_circleq_push_head(&(mk->cache_free), c);
+ erts_circleq_push_head(&(ma->cache_free), c);
- ASSERT(!(mk->cache_size < 0));
+ ASSERT(!(ma->cache_size < 0));
if (csize != size)
- mseg_destroy(mk->ma, ERTS_MSEG_FLG_2POW, mk, seg + size, csize - size);
+ mseg_destroy(ma, ERTS_MSEG_FLG_2POW, seg + size, csize - size);
return seg;
}
}
- else if (!erts_circleq_is_empty(&(mk->cache_unpowered_node))) {
+ else if (!erts_circleq_is_empty(&(ma->cache_unpowered_node))) {
void *seg;
cache_t *c;
cache_t *best = NULL;
UWord bdiff = 0;
UWord csize;
- UWord bad_max_abs = mk->ma->abs_max_cache_bad_fit;
- UWord bad_max_rel = mk->ma->rel_max_cache_bad_fit;
+ UWord bad_max_abs = ma->abs_max_cache_bad_fit;
+ UWord bad_max_rel = ma->rel_max_cache_bad_fit;
- erts_circleq_foreach(c, &(mk->cache_unpowered_node)) {
+ erts_circleq_foreach(c, &(ma->cache_unpowered_node)) {
csize = c->size;
if (csize >= size) {
if (((csize - size)*100 < bad_max_rel*size) && (csize - size) < bad_max_abs ) {
@@ -557,11 +517,11 @@ static ERTS_INLINE void *cache_get_segment(MemKind *mk, UWord *size_p, Uint flag
erts_circleq_remove(c);
- mk->cache_size--;
- mk->cache_hits++;
+ ma->cache_size--;
+ ma->cache_hits++;
mseg_cache_clear_node(c);
- erts_circleq_push_head(&(mk->cache_free), c);
+ erts_circleq_push_head(&(ma->cache_free), c);
*size_p = csize;
@@ -584,7 +544,7 @@ static ERTS_INLINE void *cache_get_segment(MemKind *mk, UWord *size_p, Uint flag
ASSERT(best->seg);
ASSERT(best->size > 0);
- mk->cache_hits++;
+ ma->cache_hits++;
/* Use current cache placement for remaining segment space */
@@ -608,7 +568,7 @@ static ERTS_INLINE void *cache_get_segment(MemKind *mk, UWord *size_p, Uint flag
* using callbacks from aux-work in the scheduler.
*/
-static ERTS_INLINE Uint mseg_drop_one_memkind_cache_size(MemKind *mk, Uint flags, cache_t *head) {
+static ERTS_INLINE Uint mseg_drop_one_cache_size(ErtsMsegAllctr_t *ma, Uint flags, cache_t *head) {
cache_t *c = NULL;
c = erts_circleq_tail(head);
@@ -617,19 +577,19 @@ static ERTS_INLINE Uint mseg_drop_one_memkind_cache_size(MemKind *mk, Uint flags
if (erts_mtrace_enabled)
erts_mtrace_crr_free(SEGTYPE, SEGTYPE, c->seg);
- mseg_destroy(mk->ma, flags, mk, c->seg, c->size);
+ mseg_destroy(ma, flags, c->seg, c->size);
mseg_cache_clear_node(c);
- erts_circleq_push_head(&(mk->cache_free), c);
+ erts_circleq_push_head(&(ma->cache_free), c);
- mk->segments.current.watermark--;
- mk->cache_size--;
+ ma->segments.current.watermark--;
+ ma->cache_size--;
- ASSERT( mk->cache_size >= 0 );
+ ASSERT(ma->cache_size >= 0);
- return mk->cache_size;
+ return ma->cache_size;
}
-static ERTS_INLINE Uint mseg_drop_memkind_cache_size(MemKind *mk, Uint flags, cache_t *head) {
+static ERTS_INLINE Uint mseg_drop_cache_size(ErtsMsegAllctr_t *ma, Uint flags, cache_t *head) {
cache_t *c = NULL;
while (!erts_circleq_is_empty(head)) {
@@ -640,58 +600,52 @@ static ERTS_INLINE Uint mseg_drop_memkind_cache_size(MemKind *mk, Uint flags, ca
if (erts_mtrace_enabled)
erts_mtrace_crr_free(SEGTYPE, SEGTYPE, c->seg);
- mseg_destroy(mk->ma, flags, mk, c->seg, c->size);
+ mseg_destroy(ma, flags, c->seg, c->size);
mseg_cache_clear_node(c);
- erts_circleq_push_head(&(mk->cache_free), c);
-
- mk->segments.current.watermark--;
- mk->cache_size--;
+ erts_circleq_push_head(&(ma->cache_free), c);
+ ma->segments.current.watermark--;
+ ma->cache_size--;
}
- ASSERT( mk->cache_size >= 0 );
+ ASSERT(ma->cache_size >= 0);
- return mk->cache_size;
+ return ma->cache_size;
}
-/* mseg_check_memkind_cache
- * - Check if we can empty some cached segments in this
- * MemKind.
+/* mseg_check_cache
+ * - Check if we can empty some cached segments in this allocator
*/
-static Uint mseg_check_memkind_cache(MemKind *mk) {
+static Uint mseg_check_cache(ErtsMsegAllctr_t *ma) {
int i;
- ERTS_DBG_MK_CHK_THR_ACCESS(mk);
+ ERTS_DBG_MA_CHK_THR_ACCESS(ma);
for (i = 0; i < CACHE_AREAS; i++) {
- if (!erts_circleq_is_empty(&(mk->cache_powered_node[i])))
- return mseg_drop_one_memkind_cache_size(mk, ERTS_MSEG_FLG_2POW, &(mk->cache_powered_node[i]));
+ if (!erts_circleq_is_empty(&(ma->cache_powered_node[i])))
+ return mseg_drop_one_cache_size(ma, ERTS_MSEG_FLG_2POW, &(ma->cache_powered_node[i]));
}
- if (!erts_circleq_is_empty(&(mk->cache_unpowered_node)))
- return mseg_drop_one_memkind_cache_size(mk, ERTS_MSEG_FLG_NONE, &(mk->cache_unpowered_node));
+ if (!erts_circleq_is_empty(&(ma->cache_unpowered_node)))
+ return mseg_drop_one_cache_size(ma, ERTS_MSEG_FLG_NONE, &(ma->cache_unpowered_node));
return 0;
}
/* mseg_cache_check
* - Check if we have some cache we can purge
- * in any of the memkinds.
*/
static void mseg_cache_check(ErtsMsegAllctr_t *ma) {
- MemKind* mk;
Uint empty_cache = 1;
ERTS_MSEG_LOCK(ma);
- for (mk = ma->mk_list; mk; mk = mk->next) {
- if (mseg_check_memkind_cache(mk))
- empty_cache = 0;
- }
+ if (mseg_check_cache(ma))
+ empty_cache = 0;
/* If all MemKinds caches are empty,
* remove aux-work callback
@@ -709,7 +663,7 @@ static void mseg_cache_check(ErtsMsegAllctr_t *ma) {
/* erts_mseg_cache_check
* - This is a callback that is scheduled as aux-work from
* schedulers and is called at some interval if we have a cache
- * on this mseg-allocator and memkind.
+ * on this mseg-allocator.
* - Purpose: Empty cache slowly so we don't collect mapped areas
* and bloat memory.
*/
@@ -719,42 +673,32 @@ void erts_mseg_cache_check(void) {
}
-/* *_mseg_clear_*_cache
+/* mseg_clear_cache
* Remove cached segments from the allocator completely
*/
-static void mseg_clear_memkind_cache(MemKind *mk) {
+
+static void mseg_clear_cache(ErtsMsegAllctr_t *ma) {
int i;
+ ERTS_MSEG_LOCK(ma);
+ ERTS_DBG_MA_CHK_THR_ACCESS(ma);
/* drop pow2 caches */
for (i = 0; i < CACHE_AREAS; i++) {
- if (erts_circleq_is_empty(&(mk->cache_powered_node[i])))
+ if (erts_circleq_is_empty(&(ma->cache_powered_node[i])))
continue;
- mseg_drop_memkind_cache_size(mk, ERTS_MSEG_FLG_2POW, &(mk->cache_powered_node[i]));
- ASSERT(erts_circleq_is_empty(&(mk->cache_powered_node[i])));
+ mseg_drop_cache_size(ma, ERTS_MSEG_FLG_2POW, &(ma->cache_powered_node[i]));
+ ASSERT(erts_circleq_is_empty(&(ma->cache_powered_node[i])));
}
/* drop varied caches */
- if (!erts_circleq_is_empty(&(mk->cache_unpowered_node)))
- mseg_drop_memkind_cache_size(mk, ERTS_MSEG_FLG_NONE, &(mk->cache_unpowered_node));
-
- ASSERT(erts_circleq_is_empty(&(mk->cache_unpowered_node)));
- ASSERT(mk->cache_size == 0);
-}
-
-static void mseg_clear_cache(ErtsMsegAllctr_t *ma) {
- MemKind* mk;
-
- ERTS_MSEG_LOCK(ma);
- ERTS_DBG_MA_CHK_THR_ACCESS(ma);
+ if (!erts_circleq_is_empty(&(ma->cache_unpowered_node)))
+ mseg_drop_cache_size(ma, ERTS_MSEG_FLG_NONE, &(ma->cache_unpowered_node));
-
- for (mk = ma->mk_list; mk; mk = mk->next) {
- mseg_clear_memkind_cache(mk);
- }
+ ASSERT(erts_circleq_is_empty(&(ma->cache_unpowered_node)));
+ ASSERT(ma->cache_size == 0);
INC_CC(ma, clear_cache);
-
ERTS_MSEG_UNLOCK(ma);
}
@@ -763,25 +707,12 @@ void erts_mseg_clear_cache(void) {
mseg_clear_cache(ERTS_MSEG_ALLCTR_IX(0));
}
-
-
-static ERTS_INLINE MemKind* memkind(ErtsMsegAllctr_t *ma,
- const ErtsMsegOpt_t *opt)
-{
-#if HALFWORD_HEAP
- return opt->low_mem ? &ma->low_mem : &ma->hi_mem;
-#else
- return &ma->the_mem;
-#endif
-}
-
static void *
mseg_alloc(ErtsMsegAllctr_t *ma, ErtsAlcType_t atype, UWord *size_p,
Uint flags, const ErtsMsegOpt_t *opt)
{
UWord size;
void *seg;
- MemKind* mk = memkind(ma, opt);
INC_CC(ma, alloc);
@@ -795,10 +726,10 @@ mseg_alloc(ErtsMsegAllctr_t *ma, ErtsAlcType_t atype, UWord *size_p,
}
}
- if (opt->cache && mk->cache_size > 0 && (seg = cache_get_segment(mk, &size, flags)) != NULL)
+ if (opt->cache && ma->cache_size > 0 && (seg = cache_get_segment(ma, &size, flags)) != NULL)
goto done;
- seg = mseg_create(ma, flags, mk, &size);
+ seg = mseg_create(ma, flags, &size);
if (!seg)
*size_p = 0;
@@ -808,7 +739,7 @@ done:
if (erts_mtrace_enabled)
erts_mtrace_crr_alloc(seg, atype, ERTS_MTRACE_SEGMENT_ID, size);
- ERTS_MSEG_ALLOC_STAT(mk,size);
+ ERTS_MSEG_ALLOC_STAT(ma,size);
}
return seg;
@@ -819,11 +750,9 @@ static void
mseg_dealloc(ErtsMsegAllctr_t *ma, ErtsAlcType_t atype, void *seg, UWord size,
Uint flags, const ErtsMsegOpt_t *opt)
{
- MemKind* mk = memkind(ma, opt);
+ ERTS_MSEG_DEALLOC_STAT(ma,size);
- ERTS_MSEG_DEALLOC_STAT(mk,size);
-
- if (opt->cache && cache_bless_segment(mk, seg, size, flags)) {
+ if (opt->cache && cache_bless_segment(ma, seg, size, flags)) {
schedule_cache_check(ma);
goto done;
}
@@ -831,7 +760,7 @@ mseg_dealloc(ErtsMsegAllctr_t *ma, ErtsAlcType_t atype, void *seg, UWord size,
if (erts_mtrace_enabled)
erts_mtrace_crr_free(atype, SEGTYPE, seg);
- mseg_destroy(ma, flags, mk, seg, size);
+ mseg_destroy(ma, flags, seg, size);
done:
@@ -842,7 +771,6 @@ static void *
mseg_realloc(ErtsMsegAllctr_t *ma, ErtsAlcType_t atype, void *seg,
UWord old_size, UWord *new_size_p, Uint flags, const ErtsMsegOpt_t *opt)
{
- MemKind* mk;
void *new_seg;
UWord new_size;
@@ -861,7 +789,6 @@ mseg_realloc(ErtsMsegAllctr_t *ma, ErtsAlcType_t atype, void *seg,
return NULL;
}
- mk = memkind(ma, opt);
new_seg = seg;
if (!MSEG_FLG_IS_2POW(flags))
@@ -876,7 +803,7 @@ mseg_realloc(ErtsMsegAllctr_t *ma, ErtsAlcType_t atype, void *seg,
if (new_size > old_size) {
if (opt->preserv) {
- new_seg = mseg_recreate(ma, flags, mk, (void *) seg, old_size, &new_size);
+ new_seg = mseg_recreate(ma, flags, (void *) seg, old_size, &new_size);
if (!new_seg)
new_size = old_size;
}
@@ -896,7 +823,7 @@ mseg_realloc(ErtsMsegAllctr_t *ma, ErtsAlcType_t atype, void *seg,
new_size = old_size;
}
else {
- new_seg = mseg_recreate(ma, flags, mk, (void *) seg, old_size, &new_size);
+ new_seg = mseg_recreate(ma, flags, (void *) seg, old_size, &new_size);
if (!new_seg)
new_size = old_size;
}
@@ -910,7 +837,7 @@ mseg_realloc(ErtsMsegAllctr_t *ma, ErtsAlcType_t atype, void *seg,
ASSERT(!MSEG_FLG_IS_2POW(flags) || IS_2POW(new_size));
*new_size_p = new_size;
- ERTS_MSEG_REALLOC_STAT(mk, old_size, new_size);
+ ERTS_MSEG_REALLOC_STAT(ma, old_size, new_size);
return new_seg;
}
@@ -1070,7 +997,8 @@ info_options(ErtsMsegAllctr_t *ma,
{
Eterm res;
- res = erts_mmap_info_options(prefix, print_to_p, print_to_arg, hpp, szp);
+ res = erts_mmap_info_options(&erts_dflt_mmapper,
+ prefix, print_to_p, print_to_arg, hpp, szp);
if (print_to_p) {
int to = *print_to_p;
@@ -1180,63 +1108,63 @@ info_calls(ErtsMsegAllctr_t *ma, int *print_to_p, void *print_to_arg, Uint **hpp
}
static Eterm
-info_status(ErtsMsegAllctr_t *ma, MemKind* mk, int *print_to_p, void *print_to_arg,
+info_status(ErtsMsegAllctr_t *ma, int *print_to_p, void *print_to_arg,
int begin_new_max_period, Uint **hpp, Uint *szp)
{
Eterm res = THE_NON_VALUE;
- if (mk->segments.max_ever.no < mk->segments.max.no)
- mk->segments.max_ever.no = mk->segments.max.no;
- if (mk->segments.max_ever.sz < mk->segments.max.sz)
- mk->segments.max_ever.sz = mk->segments.max.sz;
+ if (ma->segments.max_ever.no < ma->segments.max.no)
+ ma->segments.max_ever.no = ma->segments.max.no;
+ if (ma->segments.max_ever.sz < ma->segments.max.sz)
+ ma->segments.max_ever.sz = ma->segments.max.sz;
if (print_to_p) {
int to = *print_to_p;
void *arg = print_to_arg;
- erts_print(to, arg, "cached_segments: %beu\n", mk->cache_size);
- erts_print(to, arg, "cache_hits: %beu\n", mk->cache_hits);
+ erts_print(to, arg, "cached_segments: %beu\n", ma->cache_size);
+ erts_print(to, arg, "cache_hits: %beu\n", ma->cache_hits);
erts_print(to, arg, "segments: %beu %beu %beu\n",
- mk->segments.current.no, mk->segments.max.no, mk->segments.max_ever.no);
+ ma->segments.current.no, ma->segments.max.no, ma->segments.max_ever.no);
erts_print(to, arg, "segments_size: %beu %beu %beu\n",
- mk->segments.current.sz, mk->segments.max.sz, mk->segments.max_ever.sz);
+ ma->segments.current.sz, ma->segments.max.sz, ma->segments.max_ever.sz);
erts_print(to, arg, "segments_watermark: %beu\n",
- mk->segments.current.watermark);
+ ma->segments.current.watermark);
}
if (hpp || szp) {
res = NIL;
add_2tup(hpp, szp, &res,
am.segments_watermark,
- bld_unstable_uint(hpp, szp, mk->segments.current.watermark));
+ bld_unstable_uint(hpp, szp, ma->segments.current.watermark));
add_4tup(hpp, szp, &res,
am.segments_size,
- bld_unstable_uint(hpp, szp, mk->segments.current.sz),
- bld_unstable_uint(hpp, szp, mk->segments.max.sz),
- bld_unstable_uint(hpp, szp, mk->segments.max_ever.sz));
+ bld_unstable_uint(hpp, szp, ma->segments.current.sz),
+ bld_unstable_uint(hpp, szp, ma->segments.max.sz),
+ bld_unstable_uint(hpp, szp, ma->segments.max_ever.sz));
add_4tup(hpp, szp, &res,
am.segments,
- bld_unstable_uint(hpp, szp, mk->segments.current.no),
- bld_unstable_uint(hpp, szp, mk->segments.max.no),
- bld_unstable_uint(hpp, szp, mk->segments.max_ever.no));
+ bld_unstable_uint(hpp, szp, ma->segments.current.no),
+ bld_unstable_uint(hpp, szp, ma->segments.max.no),
+ bld_unstable_uint(hpp, szp, ma->segments.max_ever.no));
add_2tup(hpp, szp, &res,
am.cache_hits,
- bld_unstable_uint(hpp, szp, mk->cache_hits));
+ bld_unstable_uint(hpp, szp, ma->cache_hits));
add_2tup(hpp, szp, &res,
am.cached_segments,
- bld_unstable_uint(hpp, szp, mk->cache_size));
+ bld_unstable_uint(hpp, szp, ma->cache_size));
}
if (begin_new_max_period) {
- mk->segments.max.no = mk->segments.current.no;
- mk->segments.max.sz = mk->segments.current.sz;
+ ma->segments.max.no = ma->segments.current.no;
+ ma->segments.max.sz = ma->segments.current.sz;
}
return res;
}
-static Eterm info_memkind(ErtsMsegAllctr_t *ma, MemKind* mk, int *print_to_p, void *print_to_arg,
+static Eterm info_memkind(ErtsMsegAllctr_t *ma, int *print_to_p, void *print_to_arg,
int begin_max_per, Uint **hpp, Uint *szp)
{
Eterm res = THE_NON_VALUE;
@@ -1244,15 +1172,15 @@ static Eterm info_memkind(ErtsMsegAllctr_t *ma, MemKind* mk, int *print_to_p, vo
Eterm values[3];
if (print_to_p) {
- erts_print(*print_to_p, print_to_arg, "memory kind: %s\n", mk->name);
+ erts_print(*print_to_p, print_to_arg, "memory kind: %s\n", "all memory");
}
if (hpp || szp) {
atoms[0] = am.name;
atoms[1] = am.status;
atoms[2] = am.calls;
- values[0] = erts_bld_string(hpp, szp, mk->name);
+ values[0] = erts_bld_string(hpp, szp, "all memory");
}
- values[1] = info_status(ma, mk, print_to_p, print_to_arg, begin_max_per, hpp, szp);
+ values[1] = info_status(ma, print_to_p, print_to_arg, begin_max_per, hpp, szp);
values[2] = info_calls(ma, print_to_p, print_to_arg, hpp, szp);
if (hpp || szp)
@@ -1261,7 +1189,6 @@ static Eterm info_memkind(ErtsMsegAllctr_t *ma, MemKind* mk, int *print_to_p, vo
return res;
}
-
static Eterm
info_version(ErtsMsegAllctr_t *ma, int *print_to_p, void *print_to_arg, Uint **hpp, Uint *szp)
{
@@ -1326,12 +1253,7 @@ erts_mseg_info(int ix,
ERTS_MSEG_LOCK(ma);
ERTS_DBG_MA_CHK_THR_ACCESS(ma);
-#if HALFWORD_HEAP
- values[n++] = info_memkind(ma, &ma->low_mem, print_to_p, print_to_arg, begin_max_per, hpp, szp);
- values[n++] = info_memkind(ma, &ma->hi_mem, print_to_p, print_to_arg, begin_max_per, hpp, szp);
-#else
- values[n++] = info_memkind(ma, &ma->the_mem, print_to_p, print_to_arg, begin_max_per, hpp, szp);
-#endif
+ values[n++] = info_memkind(ma, print_to_p, print_to_arg, begin_max_per, hpp, szp);
if (hpp || szp)
res = bld_2tup_list(hpp, szp, n, atoms, values);
@@ -1408,13 +1330,10 @@ Uint
erts_mseg_no(const ErtsMsegOpt_t *opt)
{
ErtsMsegAllctr_t *ma = ERTS_MSEG_ALLCTR_OPT(opt);
- MemKind* mk;
- Uint n = 0;
+ Uint n;
ERTS_MSEG_LOCK(ma);
ERTS_DBG_MA_CHK_THR_ACCESS(ma);
- for (mk=ma->mk_list; mk; mk=mk->next) {
- n += mk->segments.current.no;
- }
+ n = ma->segments.current.no;
ERTS_MSEG_UNLOCK(ma);
return n;
}
@@ -1426,16 +1345,16 @@ erts_mseg_unit_size(void)
}
-static void mem_kind_init(ErtsMsegAllctr_t *ma, MemKind* mk, const char* name)
+static void mem_cache_init(ErtsMsegAllctr_t *ma)
{
int i;
/* Clear all cache headers */
- mseg_cache_clear_node(&(mk->cache_free));
- mseg_cache_clear_node(&(mk->cache_unpowered_node));
+ mseg_cache_clear_node(&(ma->cache_free));
+ mseg_cache_clear_node(&(ma->cache_unpowered_node));
for (i = 0; i < CACHE_AREAS; i++) {
- mseg_cache_clear_node(&(mk->cache_powered_node[i]));
+ mseg_cache_clear_node(&(ma->cache_powered_node[i]));
}
/* Populate cache free list */
@@ -1443,25 +1362,20 @@ static void mem_kind_init(ErtsMsegAllctr_t *ma, MemKind* mk, const char* name)
ASSERT(ma->max_cache_size <= MAX_CACHE_SIZE);
for (i = 0; i < ma->max_cache_size; i++) {
- mseg_cache_clear_node(&(mk->cache[i]));
- erts_circleq_push_head(&(mk->cache_free), &(mk->cache[i]));
+ mseg_cache_clear_node(&(ma->cache[i]));
+ erts_circleq_push_head(&(ma->cache_free), &(ma->cache[i]));
}
- mk->cache_size = 0;
- mk->cache_hits = 0;
-
- mk->segments.current.watermark = 0;
- mk->segments.current.no = 0;
- mk->segments.current.sz = 0;
- mk->segments.max.no = 0;
- mk->segments.max.sz = 0;
- mk->segments.max_ever.no = 0;
- mk->segments.max_ever.sz = 0;
-
- mk->ma = ma;
- mk->name = name;
- mk->next = ma->mk_list;
- ma->mk_list = mk;
+ ma->cache_size = 0;
+ ma->cache_hits = 0;
+
+ ma->segments.current.watermark = 0;
+ ma->segments.current.no = 0;
+ ma->segments.current.sz = 0;
+ ma->segments.max.no = 0;
+ ma->segments.max.sz = 0;
+ ma->segments.max_ever.no = 0;
+ ma->segments.max_ever.sz = 0;
}
void
@@ -1488,16 +1402,7 @@ erts_mseg_init(ErtsMsegInit_t *init)
erts_mtx_init(&init_atoms_mutex, "mseg_init_atoms");
-#if HALFWORD_HEAP
- if (sizeof(void *) != 8)
- erl_exit(-1,"Halfword emulator cannot be run in 32bit mode");
-
- init->mmap.virtual_range.start = (char *) sbrk(0);
- init->mmap.virtual_range.end = (char *) 0x100000000UL;
- init->mmap.sco = 0;
-#endif
-
- erts_mmap_init(&init->mmap);
+ erts_mmap_init(&erts_dflt_mmapper, &init->dflt_mmap);
if (!IS_2POW(GET_PAGE_SIZE))
erl_exit(ERTS_ABORT_EXIT, "erts_mseg: Unexpected page_size %beu\n", GET_PAGE_SIZE);
@@ -1529,14 +1434,7 @@ erts_mseg_init(ErtsMsegInit_t *init)
if (ma->max_cache_size > MAX_CACHE_SIZE)
ma->max_cache_size = MAX_CACHE_SIZE;
- ma->mk_list = NULL;
-
-#if HALFWORD_HEAP
- mem_kind_init(ma, &ma->low_mem, "low memory");
- mem_kind_init(ma, &ma->hi_mem, "high memory");
-#else
- mem_kind_init(ma, &ma->the_mem, "all memory");
-#endif
+ mem_cache_init(ma);
sys_memzero((void *) &ma->calls, sizeof(ErtsMsegCalls));
}
@@ -1545,13 +1443,8 @@ erts_mseg_init(ErtsMsegInit_t *init)
static ERTS_INLINE Uint tot_cache_size(ErtsMsegAllctr_t *ma)
{
- MemKind* mk;
- Uint sz = 0;
ERTS_DBG_MA_CHK_THR_ACCESS(ma);
- for (mk=ma->mk_list; mk; mk=mk->next) {
- sz += mk->cache_size;
- }
- return sz;
+ return ma->cache_size;
}
/*
diff --git a/erts/emulator/sys/common/erl_mseg.h b/erts/emulator/sys/common/erl_mseg.h
index ba04e919fc..2acd8f8505 100644
--- a/erts/emulator/sys/common/erl_mseg.h
+++ b/erts/emulator/sys/common/erl_mseg.h
@@ -42,16 +42,6 @@
#if ERTS_HAVE_MSEG_SUPER_ALIGNED
# define MSEG_ALIGN_BITS ERTS_MMAP_SUPERALIGNED_BITS
-#else
-/* If we don't use super aligned multiblock carriers
- * we will mmap with page size alignment (and thus use corresponding
- * align bits).
- *
- * Current implementation needs this to be a constant and
- * only uses this for user dev testing so setting page size
- * to 4096 (12 bits) is fine.
- */
-# define MSEG_ALIGN_BITS (12)
#endif
#if HAVE_ERTS_MSEG
@@ -69,7 +59,8 @@ typedef struct {
Uint rmcbf;
Uint mcs;
Uint nos;
- ErtsMMapInit mmap;
+ ErtsMMapInit dflt_mmap;
+ ErtsMMapInit literal_mmap;
} ErtsMsegInit_t;
#define ERTS_MSEG_INIT_DEFAULT_INITIALIZER \
@@ -78,7 +69,8 @@ typedef struct {
20, /* rmcbf: Relative max cache bad fit */ \
10, /* mcs: Max cache size */ \
1000, /* cci: Cache check interval */ \
- ERTS_MMAP_INIT_DEFAULT_INITER \
+ ERTS_MMAP_INIT_DEFAULT_INITER, \
+ ERTS_MMAP_INIT_LITERAL_INITER \
}
typedef struct {
@@ -87,9 +79,6 @@ typedef struct {
UWord abs_shrink_th;
UWord rel_shrink_th;
int sched_spec;
-#if HALFWORD_HEAP
- int low_mem;
-#endif
} ErtsMsegOpt_t;
extern const ErtsMsegOpt_t erts_mseg_default_opt;
diff --git a/erts/emulator/sys/common/erl_poll.h b/erts/emulator/sys/common/erl_poll.h
index bd3a46ef0f..bc2c681876 100644
--- a/erts/emulator/sys/common/erl_poll.h
+++ b/erts/emulator/sys/common/erl_poll.h
@@ -93,7 +93,7 @@
# if defined(ERTS_USE_POLL)
# undef ERTS_POLL_USE_POLL
# define ERTS_POLL_USE_POLL 1
-# elif !defined(__WIN32__) && !defined(__OSE__)
+# elif !defined(__WIN32__)
# undef ERTS_POLL_USE_SELECT
# define ERTS_POLL_USE_SELECT 1
# endif
@@ -104,31 +104,13 @@
typedef Uint32 ErtsPollEvents;
#undef ERTS_POLL_EV_E2N
-#if defined(__WIN32__) || defined(__OSE__) /* --- win32 or ose -------- */
+#if defined(__WIN32__) /* --- win32 --------------------------------------- */
#define ERTS_POLL_EV_IN 1
#define ERTS_POLL_EV_OUT 2
#define ERTS_POLL_EV_ERR 4
#define ERTS_POLL_EV_NVAL 8
-#ifdef __OSE__
-
-typedef struct ErtsPollOseMsgList_ {
- struct ErtsPollOseMsgList_ *next;
- union SIGNAL *data;
-} ErtsPollOseMsgList;
-
-struct erts_sys_fd_type {
- SIGSELECT signo;
- ErlDrvOseEventId id;
- ErtsPollOseMsgList *msgs;
- ErlDrvOseEventId (*resolve_signal)(union SIGNAL *sig);
- ethr_mutex mtx;
- void *extra;
-};
-
-#endif
-
#elif ERTS_POLL_USE_EPOLL /* --- epoll ------------------------------- */
#include <sys/epoll.h>
diff --git a/erts/emulator/sys/ose/beam.lmconf b/erts/emulator/sys/ose/beam.lmconf
deleted file mode 100644
index 4ad46b01d9..0000000000
--- a/erts/emulator/sys/ose/beam.lmconf
+++ /dev/null
@@ -1,26 +0,0 @@
-OSE_LM_STACK_SIZES=256,512,1024,2048,4096,8192,16384,65536
-OSE_LM_SIGNAL_SIZES=31,63,127,255,1023,4095,16383,65535
-OSE_LM_POOL_SIZE=0x200000
-OSE_LM_MAIN_NAME=main
-OSE_LM_MAIN_STACK_SIZE=0xF000
-OSE_LM_MAIN_PRIORITY=20
-## Has to be of a type that allows MAM
-OSE_LM_PROGRAM_TYPE=APP_RAM
-OSE_LM_DATA_INIT=YES
-OSE_LM_BSS_INIT=YES
-OSE_LM_EXEC_MODEL=SHARED
-HEAP_MAX_SIZE=1000000000
-HEAP_SMALL_BUF_INIT_SIZE=20971520
-HEAP_LARGE_BUF_THRESHOLD=16000000
-HEAP_LOCK_TYPE=2
-
-ERTS_DEFAULT_PRIO=24
-ERTS_SCHEDULER_PRIO=24
-ERTS_ASYNC_PRIO=22
-ERTS_AUX_PRIO=24
-ERTS_SYS_MSG_DISPATCHER_PRIO=21
-
-# Setting the environment variable EFS_RESOLVE_TMO on the block to 0.
-# This will eliminiate delays when trying to open files on not mounted
-# volumes.
-EFS_RESOLVE_TMO=0
diff --git a/erts/emulator/sys/ose/driver_int.h b/erts/emulator/sys/ose/driver_int.h
deleted file mode 100644
index 4a5b7171d1..0000000000
--- a/erts/emulator/sys/ose/driver_int.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * %CopyrightBegin%
- *
- * Copyright Ericsson AB 1997-2009. All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * %CopyrightEnd%
- */
-/*
- * System dependant driver declarations
- */
-
-#ifndef __DRIVER_INT_H__
-#define __DRIVER_INT_H__
-
-#ifdef HAVE_SYS_UIO_H
-#include <sys/types.h>
-#include <sys/uio.h>
-
-typedef struct iovec SysIOVec;
-
-#else
-
-typedef struct {
- char* iov_base;
- int iov_len;
-} SysIOVec;
-
-#endif
-
-#endif
diff --git a/erts/emulator/sys/ose/erl_main.c b/erts/emulator/sys/ose/erl_main.c
deleted file mode 100644
index 877e85f43a..0000000000
--- a/erts/emulator/sys/ose/erl_main.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * %CopyrightBegin%
- *
- * Copyright Ericsson AB 2000-2009. All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * %CopyrightEnd%
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-#include <stdlib.h>
-
-#include "sys.h"
-#include "erl_vm.h"
-#include "global.h"
-#include "ose.h"
-
-int
-main(int argc, char **argv) {
-
- (void)stdin;(void)stdout;(void)stderr;
-
- /* When starting using pm_create -c ARGV="-- -root ..", argv[0] is the first
- part of ARGV and not the name of the executable. So we shuffle some
- pointers here to make erl_start happy. */
- if (argv[0][0] == '-') {
- int i;
- char **tmp_argv = malloc(sizeof(char*)*(argc+1));
- for (i = 0; i < argc; i++)
- tmp_argv[i+1] = argv[i];
- tmp_argv[0] = "beam";
- erl_start(argc+1,tmp_argv);
- free(tmp_argv);
- } else {
- erl_start(argc,argv);
- }
-
- stop(current_process());
-
- return 0;
-}
diff --git a/erts/emulator/sys/ose/erl_ose_sys.h b/erts/emulator/sys/ose/erl_ose_sys.h
deleted file mode 100644
index d0cd3180bf..0000000000
--- a/erts/emulator/sys/ose/erl_ose_sys.h
+++ /dev/null
@@ -1,356 +0,0 @@
-/*
- * %CopyrightBegin%
- *
- * Copyright Ericsson AB 1997-2011. All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * %CopyrightEnd%
- *
- * This file handles differences between different Unix systems.
- * This should be the only place with conditional compilation
- * depending on the type of OS.
- */
-
-#ifndef _ERL_OSE_SYS_H
-#define _ERL_OSE_SYS_H
-
-#include "ose.h"
-#undef NIL
-#include "ramlog.h"
-#include "erts.sig"
-
-#include "fcntl.h"
-#include "math.h"
-#include "stdio.h"
-#include "stdlib.h"
-#include "string.h"
-#include "sys/param.h"
-#include "sys/time.h"
-#include "time.h"
-#include "dirent.h"
-#include "ethread.h"
-
-/* FIXME: configuration options */
-#define ERTS_SCHED_MIN_SPIN 1
-#define ERTS_SCHED_ONLY_POLL_SCHED_1 1
-#define ERTS_SCHED_FAIR 1
-#define NO_SYSCONF 1
-#define OPEN_MAX FOPEN_MAX
-
-#define MAP_ANON MAP_ANONYMOUS
-
-#ifndef HAVE_MMAP
-# define HAVE_MMAP 0
-#endif
-
-#if HAVE_MMAP
-# include "sys/mman.h"
-#endif
-
-/*
- * Min number of async threads
- */
-#define ERTS_MIN_NO_OF_ASYNC_THREADS 1
-
-/*
- * Our own type of "FD's"
- */
-#define ERTS_SYS_FD_TYPE struct erts_sys_fd_type*
-#define NO_FSTAT_ON_SYS_FD_TYPE 1 /* They are signals, not files */
-
-#include "sys/stat.h"
-
-/* FIXME mremap is not defined in OSE - POSIX issue */
-extern void *mremap (void *__addr, size_t __old_len, size_t __new_len,
- int __flags, ...);
-
-/* FIXME: mremap constants */
-#define MREMAP_MAYMOVE 1
-#define MREMAP_FIXED 2
-
-typedef void *GETENV_STATE;
-
-/*
-** For the erl_timer_sup module.
-*/
-#define HAVE_GETHRTIME
-
-typedef long long SysHrTime;
-extern SysHrTime sys_gethrtime(void);
-
-void sys_init_hrtime(void);
-
-typedef time_t erts_time_t;
-
-typedef struct timeval SysTimeval;
-
-#define sys_gettimeofday(Arg) ((void) gettimeofday((Arg), NULL))
-
-typedef struct {
- clock_t tms_utime;
- clock_t tms_stime;
- clock_t tms_cutime;
- clock_t tms_cstime;
-} SysTimes;
-
-extern int erts_ticks_per_sec;
-
-#define SYS_CLK_TCK (erts_ticks_per_sec)
-
-extern clock_t sys_times(SysTimes *buffer);
-
-/* No use in having other resolutions than 1 Ms. */
-#define SYS_CLOCK_RESOLUTION 1
-
-#define erts_isfinite finite
-
-#ifdef NO_FPE_SIGNALS
-
-#define erts_get_current_fp_exception() NULL
-#ifdef ERTS_SMP
-#define erts_thread_init_fp_exception() do{}while(0)
-#endif
-# define __ERTS_FP_CHECK_INIT(fpexnp) do {} while (0)
-# define __ERTS_FP_ERROR(fpexnp, f, Action) if (!finite(f)) { Action; } else {}
-# define __ERTS_FP_ERROR_THOROUGH(fpexnp, f, Action) __ERTS_FP_ERROR(fpexnp, f, Action)
-# define __ERTS_SAVE_FP_EXCEPTION(fpexnp)
-# define __ERTS_RESTORE_FP_EXCEPTION(fpexnp)
-
-#define erts_sys_block_fpe() 0
-#define erts_sys_unblock_fpe(x) do{}while(0)
-
-#else /* !NO_FPE_SIGNALS */
-
-extern volatile unsigned long *erts_get_current_fp_exception(void);
-#ifdef ERTS_SMP
-extern void erts_thread_init_fp_exception(void);
-#endif
-# if (defined(__i386__) || defined(__x86_64__)) && defined(__GNUC__)
-# define erts_fwait(fpexnp,f) \
- __asm__ __volatile__("fwait" : "=m"(*(fpexnp)) : "m"(f))
-# elif (defined(__powerpc__) || defined(__ppc__)) && defined(__GNUC__)
-# define erts_fwait(fpexnp,f) \
- __asm__ __volatile__("" : "=m"(*(fpexnp)) : "fm"(f))
-# elif defined(__sparc__) && defined(__linux__) && defined(__GNUC__)
-# define erts_fwait(fpexnp,f) \
- __asm__ __volatile__("" : "=m"(*(fpexnp)) : "em"(f))
-# else
-# define erts_fwait(fpexnp,f) \
- __asm__ __volatile__("" : "=m"(*(fpexnp)) : "g"(f))
-# endif
-# if (defined(__i386__) || defined(__x86_64__)) && defined(__GNUC__)
- extern void erts_restore_fpu(void);
-# else
-# define erts_restore_fpu() /*empty*/
-# endif
-# if (!defined(__GNUC__) || \
- (__GNUC__ < 2) || \
- (__GNUC__ == 2 && __GNUC_MINOR < 96)) && \
- !defined(__builtin_expect)
-# define __builtin_expect(x, expected_value) (x)
-# endif
-static __inline__ int erts_check_fpe(volatile unsigned long *fp_exception, double f)
-{
- erts_fwait(fp_exception, f);
- if (__builtin_expect(*fp_exception == 0, 1))
- return 0;
- *fp_exception = 0;
- erts_restore_fpu();
- return 1;
-}
-# undef erts_fwait
-# undef erts_restore_fpu
-extern void erts_fp_check_init_error(volatile unsigned long *fp_exception);
-static __inline__ void __ERTS_FP_CHECK_INIT(volatile unsigned long *fp_exception)
-{
- if (__builtin_expect(*fp_exception == 0, 1))
- return;
- erts_fp_check_init_error(fp_exception);
-}
-# define __ERTS_FP_ERROR(fpexnp, f, Action) do { if (erts_check_fpe((fpexnp),(f))) { Action; } } while (0)
-# define __ERTS_SAVE_FP_EXCEPTION(fpexnp) unsigned long old_erl_fp_exception = *(fpexnp)
-# define __ERTS_RESTORE_FP_EXCEPTION(fpexnp) \
- do { *(fpexnp) = old_erl_fp_exception; } while (0)
- /* This is for library calls where we don't trust the external
- code to always throw floating-point exceptions on errors. */
-static __inline__ int erts_check_fpe_thorough(volatile unsigned long *fp_exception, double f)
-{
- return erts_check_fpe(fp_exception, f) || !finite(f);
-}
-# define __ERTS_FP_ERROR_THOROUGH(fpexnp, f, Action) \
- do { if (erts_check_fpe_thorough((fpexnp),(f))) { Action; } } while (0)
-
-int erts_sys_block_fpe(void);
-void erts_sys_unblock_fpe(int);
-
-#endif /* !NO_FPE_SIGNALS */
-
-#define ERTS_FP_CHECK_INIT(p) __ERTS_FP_CHECK_INIT(&(p)->fp_exception)
-#define ERTS_FP_ERROR(p, f, A) __ERTS_FP_ERROR(&(p)->fp_exception, f, A)
-#define ERTS_FP_ERROR_THOROUGH(p, f, A) __ERTS_FP_ERROR_THOROUGH(&(p)->fp_exception, f, A)
-
-/* FIXME: force HAVE_GETPAGESIZE and stub getpagesize */
-#ifndef HAVE_GETPAGESIZE
-#define HAVE_GETPAGESIZE 1
-#endif
-
-extern int getpagesize(void);
-
-#ifndef HZ
-#define HZ 60
-#endif
-
-/* OSE5 doesn't provide limits.h so a number of macros should be
- * added manually */
-
-#ifndef CHAR_BIT
-#define CHAR_BIT 8
-#endif
-
-/* Minimum and maximum values a `signed int' can hold. */
-#ifndef INT_MAX
-#define INT_MAX 2147483647
-#endif
-
-#ifndef INT_MIN
-#define INT_MIN (-INT_MAX - 1)
-#endif
-
-#ifndef UINT_MAX
-# define UINT_MAX 4294967295U
-#endif
-
-/*
-static void erts_ose_sys_send(union SIGNAL **signal,PROCESS dst,
- char* file,int line) {
- SIGSELECT **ziggy = (SIGSELECT**)signal;
- printf("%s:%d 0x%x Send signal 0x%x(0x%x) to 0x%x\r\n",
- file,line,current_process(),ziggy[0][0],*ziggy,dst);
- send(signal,dst);
-}
-#define send(signal,dst) erts_ose_sys_send(signal,dst,__FILE__,__LINE__)
-
-static void erts_ose_sys_send_w_sender(union SIGNAL **signal,
- PROCESS sender,PROCESS dst,
- char* file,int line) {
- SIGSELECT **ziggy = (SIGSELECT**)signal;
- printf("%s:%d 0x%x Send signal 0x%x(0x%x) to 0x%x as 0x%x\r\n",
- file,line,current_process(),ziggy[0][0],*ziggy,dst,sender);
- send_w_sender(signal,sender,dst);
-}
-#define send_w_sender(signal,sender,dst) \
- erts_ose_sys_send_w_sender(signal,sender,dst,__FILE__,__LINE__)
-
-
-static union SIGNAL *erts_ose_sys_receive(SIGSELECT *sigsel,
- char *file,
- int line) {
- SIGSELECT *sig;
- int i;
-
- printf("%s:%d 0x%x receive({%d,",file,line,current_process(),sigsel[0]);
- for (i = 1; i < sigsel[0]; i++)
- printf("0x%x, ",sigsel[i]);
- if (sigsel[0] != 0)
- printf("0x%x",sigsel[i]);
- printf("})\n");
- sig = (SIGSELECT*)receive(sigsel);
- printf("%s:%d 0x%x got 0x%x from 0x%x\n",file,line,current_process(),
- *sig,sender((union SIGNAL**)(&sig)));
- return (union SIGNAL*)sig;
-}
-#define receive(SIGSEL) erts_ose_sys_receive(SIGSEL,__FILE__,__LINE__)
-
-static union SIGNAL *erts_ose_sys_receive_w_tmo(OSTIME tmo,SIGSELECT *sigsel,
- char *file,int line) {
- SIGSELECT *sig;
- int i;
- if (tmo == 0) {
- sig = (SIGSELECT*)receive_w_tmo(tmo,sigsel);
- if (sig != NULL) {
- printf("%s:%d 0x%x receive_w_tmo(0,{%d,",file,line,current_process(),
- sigsel[0]);
- for (i = 1; i < sigsel[0]; i++)
- printf("0x%x, ",sigsel[i]);
- if (sigsel[0] != 0)
- printf("0x%x",sigsel[i]);
- printf("})\n");
- printf("%s:%d 0x%x got 0x%x from 0x%x\n",file,line,current_process(),
- *sig,sender((union SIGNAL**)(&sig)));
- }
- } else {
- printf("%s:%d 0x%x receive_w_tmo(%u,{%d,",file,line,current_process(),tmo,
- sigsel[0]);
- for (i = 1; i < sigsel[0]; i++)
- printf("0x%x, ",sigsel[i]);
- if (sigsel[0] != 0)
- printf("0x%x",sigsel[i]);
- printf("})\n");
- sig = (SIGSELECT*)receive_w_tmo(tmo,sigsel);
- printf("%s:%d 0x%x got ",file,line,current_process());
- if (sig == NULL)
- printf("TIMEOUT\n");
- else
- printf("0x%x from 0x%x\n",*sig,sender((union SIGNAL**)(&sig)));
- }
-
- return (union SIGNAL*)sig;
-}
-
-#define receive_w_tmo(tmo,sigsel) erts_ose_sys_receive_w_tmo(tmo,sigsel, \
- __FILE__,__LINE__)
-
-static union SIGNAL *erts_ose_sys_receive_fsem(OSTIME tmo,SIGSELECT *sigsel,
- OSFSEMVAL fsem,
- char *file,int line) {
- SIGSELECT *sig;
- int i;
- if (tmo == 0) {
- sig = (SIGSELECT*)receive_fsem(tmo,sigsel,fsem);
- if (sig != NULL && sig != OS_RCV_FSEM) {
- printf("%s:%d 0x%x receive_fsem(0,{%d,",file,line,current_process(),
- sigsel[0]);
- for (i = 1; i < sigsel[0]; i++)
- printf("0x%x, ",sigsel[i]);
- if (sigsel[0] != 0)
- printf("0x%x",sigsel[i]);
- printf("},%d)\n",fsem);
- printf("%s:%d 0x%x got 0x%x from 0x%x\n",file,line,current_process(),
- *sig,sender((union SIGNAL**)(&sig)));
- }
- } else {
- printf("%s:%d 0x%x receive_fsem(%u,{%d,",file,line,current_process(),tmo,
- sigsel[0]);
- for (i = 1; i < sigsel[0]; i++)
- printf("0x%x, ",sigsel[i]);
- if (sigsel[0] != 0)
- printf("0x%x",sigsel[i]);
- printf("},%d)\n",fsem);
- sig = (SIGSELECT*)receive_fsem(tmo,sigsel,fsem);
- printf("%s:%d 0x%x got ",file,line,current_process());
- if (sig == NULL)
- printf("TIMEOUT\n");
- else if (sig == OS_RCV_FSEM)
- printf("FSEM\n");
- else
- printf("0x%x from 0x%x\n",*sig,sender((union SIGNAL**)(&sig)));
- }
-
- return (union SIGNAL*)sig;
-}
-
-#define receive_fsem(tmo,sigsel,fsem) \
- erts_ose_sys_receive_fsem(tmo,sigsel,fsem,__FILE__,__LINE__)
-*/
-#endif /* _ERL_OSE_SYS_H */
diff --git a/erts/emulator/sys/ose/erl_ose_sys_ddll.c b/erts/emulator/sys/ose/erl_ose_sys_ddll.c
deleted file mode 100644
index 5051f7fcc1..0000000000
--- a/erts/emulator/sys/ose/erl_ose_sys_ddll.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * %CopyrightBegin%
- *
- * Copyright Ericsson AB 2006-2013. All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * %CopyrightEnd%
- */
-
-/*
- * Interface functions to the dynamic linker using dl* functions.
- * (No support in OSE, we use static linkage instead)
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "sys.h"
-#include "erl_vm.h"
-#include "global.h"
-
-
-void erl_sys_ddll_init(void) {
-}
-
-/*
- * Open a shared object
- */
-int erts_sys_ddll_open(const char *full_name, void **handle, ErtsSysDdllError* err)
-{
- return ERL_DE_ERROR_NO_DDLL_FUNCTIONALITY;
-}
-
-int erts_sys_ddll_open_noext(char *dlname, void **handle, ErtsSysDdllError* err)
-{
- return ERL_DE_ERROR_NO_DDLL_FUNCTIONALITY;
-}
-
-/*
- * Find a symbol in the shared object
- */
-int erts_sys_ddll_sym2(void *handle, const char *func_name, void **function,
- ErtsSysDdllError* err)
-{
- return ERL_DE_ERROR_NO_DDLL_FUNCTIONALITY;
-}
-
-/* XXX:PaN These two will be changed with new driver interface! */
-
-/*
- * Load the driver init function, might appear under different names depending on object arch...
- */
-
-int erts_sys_ddll_load_driver_init(void *handle, void **function)
-{
- void *fn;
- int res;
- if ((res = erts_sys_ddll_sym2(handle, "driver_init", &fn, NULL)) != ERL_DE_NO_ERROR) {
- res = erts_sys_ddll_sym2(handle, "_driver_init", &fn, NULL);
- }
- if (res == ERL_DE_NO_ERROR) {
- *function = fn;
- }
- return res;
-}
-
-int erts_sys_ddll_load_nif_init(void *handle, void **function, ErtsSysDdllError* err)
-{
- void *fn;
- int res;
- if ((res = erts_sys_ddll_sym2(handle, "nif_init", &fn, err)) != ERL_DE_NO_ERROR) {
- res = erts_sys_ddll_sym2(handle, "_nif_init", &fn, err);
- }
- if (res == ERL_DE_NO_ERROR) {
- *function = fn;
- }
- return res;
-}
-
-/*
- * Call the driver_init function, whatever it's really called, simple on unix...
-*/
-void *erts_sys_ddll_call_init(void *function) {
- void *(*initfn)(void) = function;
- return (*initfn)();
-}
-void *erts_sys_ddll_call_nif_init(void *function) {
- return erts_sys_ddll_call_init(function);
-}
-
-
-
-/*
- * Close a chared object
- */
-int erts_sys_ddll_close2(void *handle, ErtsSysDdllError* err)
-{
- return ERL_DE_ERROR_NO_DDLL_FUNCTIONALITY;
-}
-
-
-/*
- * Return string that describes the (current) error
- */
-char *erts_sys_ddll_error(int code)
-{
- return "Unspecified error";
-}
-
-void erts_sys_ddll_free_error(ErtsSysDdllError* err)
-{
- if (err->str != NULL) {
- erts_free(ERTS_ALC_T_DDLL_TMP_BUF, err->str);
- }
-}
diff --git a/erts/emulator/sys/ose/erl_poll.c b/erts/emulator/sys/ose/erl_poll.c
deleted file mode 100644
index 5cee582a00..0000000000
--- a/erts/emulator/sys/ose/erl_poll.c
+++ /dev/null
@@ -1,818 +0,0 @@
-/*
- * %CopyrightBegin%
- *
- * Copyright Ericsson AB 2006-2012. All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * %CopyrightEnd%
- */
-
-/*
- * Description: Poll interface suitable for ERTS on OSE with or without
- * SMP support.
- *
- * The interface is currently implemented using:
- * - receive + receive_fsem
- *
- * Author: Lukas Larsson
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "erl_thr_progress.h"
-#include "erl_driver.h"
-#include "erl_alloc.h"
-#include "erl_poll.h"
-
-#define NOFILE 4096
-
-/*
- * Some debug macros
- */
-
-/* #define HARDDEBUG
-#define HARDTRACE*/
-#ifdef HARDDEBUG
-#ifdef HARDTRACE
-#define HARDTRACEF(X, ...) { fprintf(stderr, X, __VA_ARGS__); fprintf(stderr,"\r\n"); }
-#else
-#define HARDTRACEF(...)
-#endif
-
-#else
-#define HARDTRACEF(X,...)
-#define HARDDEBUGF(...)
-#endif
-
-#if 0
-#define ERTS_POLL_DEBUG_PRINT
-#endif
-
-#if defined(DEBUG) && 0
-#define HARD_DEBUG
-#endif
-
-# define SEL_ALLOC erts_alloc
-# define SEL_REALLOC realloc_wrap
-# define SEL_FREE erts_free
-
-#ifdef ERTS_SMP
-
-#define ERTS_POLLSET_LOCK(PS) \
- erts_smp_mtx_lock(&(PS)->mtx)
-#define ERTS_POLLSET_UNLOCK(PS) \
- erts_smp_mtx_unlock(&(PS)->mtx)
-
-#else
-
-#define ERTS_POLLSET_LOCK(PS)
-#define ERTS_POLLSET_UNLOCK(PS)
-
-#endif
-
-/*
- * --- Data types ------------------------------------------------------------
- */
-
-union SIGNAL {
- SIGSELECT sig_no;
-};
-
-typedef struct erts_sigsel_item_ ErtsSigSelItem;
-
-struct erts_sigsel_item_ {
- ErtsSigSelItem *next;
- ErtsSysFdType fd;
- ErtsPollEvents events;
-};
-
-typedef struct erts_sigsel_info_ ErtsSigSelInfo;
-
-struct erts_sigsel_info_ {
- ErtsSigSelInfo *next;
- SIGSELECT signo;
- ErlDrvOseEventId (*decode)(union SIGNAL* sig);
- ErtsSigSelItem *fds;
-};
-
-struct ErtsPollSet_ {
- SIGSELECT *sigs;
- ErtsSigSelInfo *info;
- Uint sig_count;
- Uint item_count;
- PROCESS interrupt;
- erts_atomic32_t wakeup_state;
- erts_atomic64_t timeout_time;
-#ifdef ERTS_SMP
- erts_smp_mtx_t mtx;
-#endif
-};
-
-static int max_fds = -1;
-
-static ERTS_INLINE void
-init_timeout_time(ErtsPollSet ps)
-{
- erts_atomic64_init_nob(&ps->timeout_time,
- (erts_aint64_t) ERTS_MONOTONIC_TIME_MAX);
-}
-
-static ERTS_INLINE void
-set_timeout_time(ErtsPollSet ps, ErtsMonotonicTime time)
-{
- erts_atomic64_set_relb(&ps->timeout_time,
- (erts_aint64_t) time);
-}
-
-static ERTS_INLINE ErtsMonotonicTime
-get_timeout_time(ErtsPollSet ps)
-{
- return (ErtsMonotonicTime) erts_atomic64_read_acqb(&ps->timeout_time);
-}
-
-#define ERTS_POLL_NOT_WOKEN ((erts_aint32_t) (1 << 0))
-#define ERTS_POLL_WOKEN_INTR ((erts_aint32_t) (1 << 1))
-#define ERTS_POLL_WOKEN_TIMEDOUT ((erts_aint32_t) (1 << 2))
-#define ERTS_POLL_WOKEN_IO_READY ((erts_aint32_t) (1 << 3))
-#define ERTS_POLL_SLEEPING ((erts_aint32_t) (1 << 4))
-
-/* signal list prototypes */
-static ErtsSigSelInfo *get_sigsel_info(ErtsPollSet ps, SIGSELECT signo);
-static ErtsSigSelItem *get_sigsel_item(ErtsPollSet ps, ErtsSysFdType fd);
-static ErtsSigSelInfo *add_sigsel_info(ErtsPollSet ps, ErtsSysFdType fd,
- ErlDrvOseEventId (*decode)(union SIGNAL* sig));
-static ErtsSigSelItem *add_sigsel_item(ErtsPollSet ps, ErtsSysFdType fd,
- ErlDrvOseEventId (*decode)(union SIGNAL* sig));
-static int del_sigsel_info(ErtsPollSet ps, ErtsSigSelInfo *info);
-static int del_sigsel_item(ErtsPollSet ps, ErtsSigSelItem *item);
-static int update_sigsel(ErtsPollSet ps);
-
-static ErtsSigSelInfo *
-get_sigsel_info(ErtsPollSet ps, SIGSELECT signo) {
- ErtsSigSelInfo *curr = ps->info;
- while (curr != NULL) {
- if (curr->signo == signo)
- return curr;
- curr = curr->next;
- }
- return NULL;
-}
-
-static ErtsSigSelItem *
-get_sigsel_item(ErtsPollSet ps, ErtsSysFdType fd) {
- ErtsSigSelInfo *info = get_sigsel_info(ps,fd->signo);
- ErtsSigSelItem *curr;
-
- if (info == NULL)
- return NULL;
-
- curr = info->fds;
-
- while (curr != NULL) {
- if (curr->fd->id == fd->id) {
- ASSERT(curr->fd->signo == fd->signo);
- return curr;
- }
- curr = curr->next;
- }
- return NULL;
-}
-
-static ErtsSigSelInfo *
-add_sigsel_info(ErtsPollSet ps, ErtsSysFdType fd,
- ErlDrvOseEventId (*decode)(union SIGNAL* sig)) {
- ErtsSigSelInfo *info = SEL_ALLOC(ERTS_ALC_T_POLLSET,
- sizeof(ErtsSigSelInfo));
- info->next = ps->info;
- info->fds = NULL;
- info->signo = fd->signo;
- info->decode = decode;
- ps->info = info;
- ps->sig_count++;
- return info;
-}
-
-static ErtsSigSelItem *
-add_sigsel_item(ErtsPollSet ps, ErtsSysFdType fd,
- ErlDrvOseEventId (*decode)(union SIGNAL* sig)) {
- ErtsSigSelInfo *info = get_sigsel_info(ps,fd->signo);
- ErtsSigSelItem *item = SEL_ALLOC(ERTS_ALC_T_POLLSET,
- sizeof(ErtsSigSelItem));
- if (info == NULL)
- info = add_sigsel_info(ps, fd, decode);
- if (info->decode != decode) {
- erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf();
- erts_dsprintf(dsbufp, "erts_poll_control() inconsistency: multiple resolve_signal functions for same signal (%d)\n",
- fd->signo);
- erts_send_error_to_logger_nogl(dsbufp);
- }
- ASSERT(info->decode == decode);
- item->next = info->fds;
- item->fd = fd;
- item->events = 0;
- info->fds = item;
- ps->item_count++;
- return item;
-}
-
-static int del_sigsel_info(ErtsPollSet ps, ErtsSigSelInfo *info) {
- ErtsSigSelInfo *curr, *prev;
-
- if (ps->info == info) {
- ps->info = ps->info->next;
- } else {
- curr = ps->info->next;
- prev = ps->info;
-
- while (curr != info) {
- if (curr == NULL)
- return 1;
- prev = curr;
- curr = curr->next;
- }
- prev->next = curr->next;
- }
-
- ps->sig_count--;
- SEL_FREE(ERTS_ALC_T_POLLSET, info);
- return 0;
-}
-
-static int del_sigsel_item(ErtsPollSet ps, ErtsSigSelItem *item) {
- ErtsSigSelInfo *info = get_sigsel_info(ps,item->fd->signo);
- ErtsSigSelItem *curr, *prev;
-
- ps->item_count--;
- ASSERT(ps->item_count >= 0);
-
- if (info->fds == item) {
- info->fds = info->fds->next;
- SEL_FREE(ERTS_ALC_T_POLLSET,item);
- if (info->fds == NULL)
- return del_sigsel_info(ps,info);
- return 0;
- }
-
- curr = info->fds->next;
- prev = info->fds;
-
- while (curr != item) {
- if (curr == NULL) {
- /* We did not find an item to delete so we have to
- * increment item count again.
- */
- ps->item_count++;
- return 1;
- }
- prev = curr;
- curr = curr->next;
- }
- prev->next = curr->next;
- SEL_FREE(ERTS_ALC_T_POLLSET,item);
- return 0;
-}
-
-#ifdef ERTS_SMP
-
-static void update_redir_tables(ErtsPollSet ps) {
- struct OS_redir_entry *redir_table;
- PROCESS sched_1 = ERTS_SCHEDULER_IX(0)->tid.id;
- int i;
- redir_table = SEL_ALLOC(ERTS_ALC_T_POLLSET,
- sizeof(struct OS_redir_entry)*(ps->sig_count+1));
-
- redir_table[0].sig = ps->sig_count+1;
- redir_table[0].pid = 0;
-
- for (i = 1; i < ps->sig_count+1; i++) {
- redir_table[i].sig = ps->sigs[i];
- redir_table[i].pid = sched_1;
- }
-
- for (i = 1; i < erts_no_schedulers; i++) {
- ErtsSchedulerData *esdp = ERTS_SCHEDULER_IX(i);
- set_redirection(esdp->tid.id,redir_table);
- }
-
- SEL_FREE(ERTS_ALC_T_POLLSET,redir_table);
-}
-
-#endif
-
-static int update_sigsel(ErtsPollSet ps) {
- ErtsSigSelInfo *info = ps->info;
-
- int i;
-
- if (ps->sigs != NULL)
- SEL_FREE(ERTS_ALC_T_POLLSET,ps->sigs);
-
- if (ps->sig_count == 0) {
- /* If there are no signals we place a non-valid signal to make sure that
- * we do not trigger on a any unrelated signals which are sent to the
- * process.
- */
- ps->sigs = SEL_ALLOC(ERTS_ALC_T_POLLSET,sizeof(SIGSELECT)*(2));
- ps->sigs[0] = 1;
- ps->sigs[1] = ERTS_SIGNAL_INVALID;
- return 0;
- }
-
- ps->sigs = SEL_ALLOC(ERTS_ALC_T_POLLSET,sizeof(SIGSELECT)*(ps->sig_count+1));
- ps->sigs[0] = ps->sig_count;
-
- for (i = 1; info != NULL; i++, info = info->next)
- ps->sigs[i] = info->signo;
-
-#ifdef ERTS_SMP
- update_redir_tables(ps);
-#endif
-
- return 0;
-}
-
-static ERTS_INLINE void
-wake_poller(ErtsPollSet ps)
-{
- erts_aint32_t wakeup_state;
-
- ERTS_THR_MEMORY_BARRIER;
- wakeup_state = erts_atomic32_read_nob(&ps->wakeup_state);
- while (wakeup_state != ERTS_POLL_WOKEN_IO_READY
- && wakeup_state != ERTS_POLL_WOKEN_INTR) {
- erts_aint32_t act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state,
- ERTS_POLL_WOKEN_INTR,
- wakeup_state);
- if (act == wakeup_state) {
- wakeup_state = act;
- break;
- }
- wakeup_state = act;
- }
- if (wakeup_state == ERTS_POLL_SLEEPING) {
- /*
- * Since we don't know the internals of signal_fsem() we issue
- * a memory barrier as a safety precaution ensuring that
- * the store we just made to wakeup_state wont be reordered
- * with loads in signal_fsem().
- */
- ERTS_THR_MEMORY_BARRIER;
- signal_fsem(ps->interrupt);
- }
-}
-
-static ERTS_INLINE void
-reset_interrupt(ErtsPollSet ps)
-{
- /* We need to keep io-ready if set */
- erts_aint32_t wakeup_state = erts_atomic32_read_nob(&ps->wakeup_state);
- while (wakeup_state != ERTS_POLL_NOT_WOKEN &&
- wakeup_state != ERTS_POLL_SLEEPING) {
- erts_aint32_t act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state,
- ERTS_POLL_NOT_WOKEN,
- wakeup_state);
- if (wakeup_state == act)
- break;
- wakeup_state = act;
- }
- ERTS_THR_MEMORY_BARRIER;
-}
-
-static ERTS_INLINE void
-set_interrupt(ErtsPollSet ps)
-{
- wake_poller(ps);
-}
-
-void erts_poll_interrupt(ErtsPollSet ps,int set) {
- HARDTRACEF("erts_poll_interrupt called!\n");
-
- if (!set)
- reset_interrupt(ps);
- else
- set_interrupt(ps);
-
-}
-
-void erts_poll_interrupt_timed(ErtsPollSet ps,
- int set,
- ErtsTimeoutTime timeout_time) {
- HARDTRACEF("erts_poll_interrupt_timed called!\n");
-
- if (!set)
- reset_interrupt(ps);
- else if (get_timeout_time(ps) > timeout_time)
- set_interrupt(ps);
-}
-
-ErtsPollEvents erts_poll_control(ErtsPollSet ps, ErtsSysFdType fd,
- ErtsPollEvents pe, int on, int* do_wake) {
- ErtsSigSelItem *curr;
- ErtsPollEvents new_events;
- int old_sig_count;
-
- HARDTRACEF(
- "%ux: In erts_poll_control, fd = %d, pe = %d, on = %d, *do_wake = %d, curr = 0x%xu",
- ps, fd, pe, on, do_wake, curr);
-
- ERTS_POLLSET_LOCK(ps);
-
- if (on && (pe & ERTS_POLL_EV_IN) && (pe & ERTS_POLL_EV_OUT)) {
- /* Check to make sure both in and out are not used at the same time */
- new_events = ERTS_POLL_EV_NVAL;
- goto done;
- }
-
- curr = get_sigsel_item(ps, fd);
- old_sig_count = ps->sig_count;
-
- if (curr == NULL && on) {
- curr = add_sigsel_item(ps, fd, fd->resolve_signal);
- } else if (curr == NULL && !on) {
- new_events = ERTS_POLL_EV_NVAL;
- goto done;
- }
-
- new_events = curr->events;
-
- if (pe == 0) {
- *do_wake = 0;
- goto done;
- }
-
- if (on) {
- new_events |= pe;
- curr->events = new_events;
- } else {
- new_events &= ~pe;
- curr->events = new_events;
- if (new_events == 0 && del_sigsel_item(ps, curr)) {
- new_events = ERTS_POLL_EV_NVAL;
- goto done;
- }
- }
-
- if (ps->sig_count != old_sig_count) {
- if (update_sigsel(ps))
- new_events = ERTS_POLL_EV_NVAL;
- }
-done:
- ERTS_POLLSET_UNLOCK(ps);
- HARDTRACEF("%ux: Out erts_poll_control", ps);
- return new_events;
-}
-
-int erts_poll_wait(ErtsPollSet ps,
- ErtsPollResFd pr[],
- int *len,
- ErtsMonotonicTime timeout_time)
-{
- int res = ETIMEDOUT, no_fds, currid = 0;
- OSTIME timeout;
- union SIGNAL *sig;
- ErtsMonotonicTime current_time, diff_time, timeout;
- // HARDTRACEF("%ux: In erts_poll_wait",ps);
- if (ps->interrupt == (PROCESS)0)
- ps->interrupt = current_process();
-
- ASSERT(current_process() == ps->interrupt);
- ASSERT(get_fsem(current_process()) == 0);
- ASSERT(erts_atomic32_read_nob(&ps->wakeup_state) &
- (ERTS_POLL_NOT_WOKEN | ERTS_POLL_WOKEN_INTR));
- /* Max no of spots avable in pr */
- no_fds = *len;
-
- *len = 0;
-
- /* erts_printf("Entering erts_poll_wait(), timeout_time=%bps\n",
- timeout_time); */
-
- if (timeout_time == ERTS_POLL_NO_TIMEOUT) {
- no_timeout:
- timeout = (OSTIME) 0;
- save_timeout_time = ERTS_MONOTONIC_TIME_MIN;
- }
- else {
- ErtsMonotonicTime current_time, diff_time;
- current_time = erts_get_monotonic_time(NULL);
- diff_time = timeout_time - current_time;
- if (diff_time <= 0)
- goto no_timeout;
- diff_time = (ERTS_MONOTONIC_TO_MSEC(diff_time - 1) + 1);
- if (diff_time > INT_MAX)
- diff_time = INT_MAX;
- timeout = (OSTIME) diff_time;
- save_timeout_time = current_time;
- save_timeout_time += ERTS_MSEC_TO_MONOTONIC(diff_time);
- }
-
- set_timeout_time(ps, save_timeout_time);
-
- while (currid < no_fds) {
- if (timeout > 0) {
- erts_aint32_t act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state,
- ERTS_POLL_SLEEPING,
- ERTS_POLL_NOT_WOKEN);
- if (act == ERTS_POLL_NOT_WOKEN) {
-#ifdef ERTS_SMP
- erts_thr_progress_prepare_wait(NULL);
-#endif
- sig = receive_fsem(timeout, ps->sigs, 1);
-#ifdef ERTS_SMP
- erts_thr_progress_finalize_wait(NULL);
-#endif
- } else {
- ASSERT(act == ERTS_POLL_WOKEN_INTR);
- sig = OS_RCV_FSEM;
- }
- } else
- sig = receive_w_tmo(0, ps->sigs);
-
- if (sig == NULL) {
- if (timeout > 0) {
- erts_aint32_t act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state,
- ERTS_POLL_WOKEN_TIMEDOUT,
- ERTS_POLL_SLEEPING);
- if (act == ERTS_POLL_WOKEN_INTR)
- /* Restore fsem as it was signaled but we got a timeout */
- wait_fsem(1);
- } else
- erts_atomic32_cmpxchg_nob(&ps->wakeup_state,
- ERTS_POLL_WOKEN_TIMEDOUT,
- ERTS_POLL_NOT_WOKEN);
- break;
- } else if (sig == OS_RCV_FSEM) {
- ASSERT(erts_atomic32_read_nob(&ps->wakeup_state) == ERTS_POLL_WOKEN_INTR);
- break;
- }
- {
- ErtsSigSelInfo *info = get_sigsel_info(ps, sig->sig_no);
- struct erts_sys_fd_type fd = { sig->sig_no, info->decode(sig) };
- ErtsSigSelItem *item = get_sigsel_item(ps, &fd);
-
- ASSERT(sig);
- if (currid == 0 && timeout > 0) {
- erts_aint32_t act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state,
- ERTS_POLL_WOKEN_IO_READY,
- ERTS_POLL_SLEEPING);
- if (act == ERTS_POLL_WOKEN_INTR) {
- /* Restore fsem as it was signaled but we got a msg */
- wait_fsem(1);
- act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state,
- ERTS_POLL_WOKEN_IO_READY,
- ERTS_POLL_WOKEN_INTR);
- }
- } else if (currid == 0) {
- erts_atomic32_set_nob(&ps->wakeup_state,
- ERTS_POLL_WOKEN_IO_READY);
- }
-
- if (item == NULL) {
- erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf();
- erts_dsprintf(
- dsbufp,
- "erts_poll_wait() failed: found unkown signal id %d (signo %u) "
- "(curr_proc 0x%x)\n",
- fd.id, fd.signo, current_process());
- erts_send_error_to_logger_nogl(dsbufp);
- timeout = 0;
- /* Under normal circumstances the signal is deallocated by the
- * driver that issued the select operation. But in this case
- * there's no driver waiting for such signal so we have to
- * deallocate it here */
- if (sig)
- free_buf(&sig);
- } else {
- int i;
- struct erts_sys_fd_type *fd = NULL;
- ErtsPollOseMsgList *tl,*new;
-
- /* Check if this fd has already been triggered by a previous signal */
- for (i = 0; i < currid;i++) {
- if (pr[i].fd == item->fd) {
- fd = pr[i].fd;
- pr[i].events |= item->events;
- break;
- }
- }
-
- /* First time this fd is triggered */
- if (fd == NULL) {
- pr[currid].fd = item->fd;
- pr[currid].events = item->events;
- fd = item->fd;
- timeout = 0;
- currid++;
- }
-
- /* Insert new signal in approriate list */
- new = erts_alloc(ERTS_ALC_T_FD_SIG_LIST,sizeof(ErtsPollOseMsgList));
- new->next = NULL;
- new->data = sig;
-
- ethr_mutex_lock(&fd->mtx);
- tl = fd->msgs;
-
- if (tl == NULL) {
- fd->msgs = new;
- } else {
- while (tl->next != NULL)
- tl = tl->next;
- tl->next = new;
- }
- ethr_mutex_unlock(&fd->mtx);
- }
-
- }
- }
-
- {
- erts_aint32_t wakeup_state = erts_atomic32_read_nob(&ps->wakeup_state);
-
- switch (wakeup_state) {
- case ERTS_POLL_WOKEN_IO_READY:
- res = 0;
- break;
- case ERTS_POLL_WOKEN_INTR:
- res = EINTR;
- break;
- case ERTS_POLL_WOKEN_TIMEDOUT:
- res = ETIMEDOUT;
- break;
- case ERTS_POLL_NOT_WOKEN:
- /* This happens when we get an invalid signal only */
- res = EINVAL;
- break;
- default:
- res = 0;
- erl_exit(ERTS_ABORT_EXIT,
- "%s:%d: Internal error: Invalid wakeup_state=%d\n",
- __FILE__, __LINE__, (int) wakeup_state);
- }
- }
-
- erts_atomic32_set_nob(&ps->wakeup_state, ERTS_POLL_NOT_WOKEN);
- set_timeout_time(ps, ERTS_MONOTONIC_TIME_MAX);
-
- *len = currid;
-
- // HARDTRACEF("%ux: Out erts_poll_wait",ps);
- return res;
-}
-
-int erts_poll_max_fds(void)
-{
-
- HARDTRACEF("In/Out erts_poll_max_fds -> %d",max_fds);
- return max_fds;
-}
-
-void erts_poll_info(ErtsPollSet ps,
- ErtsPollInfo *pip)
-{
- Uint size = 0;
- Uint num_events = 0;
-
- size += sizeof(struct ErtsPollSet_);
- size += sizeof(ErtsSigSelInfo)*ps->sig_count;
- size += sizeof(ErtsSigSelItem)*ps->item_count;
- size += sizeof(SIGSELECT)*(ps->sig_count+1);
-
- pip->primary = "receive_fsem";
-
- pip->fallback = NULL;
-
- pip->kernel_poll = NULL;
-
- pip->memory_size = size;
-
- pip->poll_set_size = num_events;
-
- pip->fallback_poll_set_size = 0;
-
- pip->lazy_updates = 0;
-
- pip->pending_updates = 0;
-
- pip->batch_updates = 0;
-
- pip->concurrent_updates = 0;
-
-
- pip->max_fds = erts_poll_max_fds();
- HARDTRACEF("%ux: Out erts_poll_info",ps);
-
-}
-
-ErtsPollSet erts_poll_create_pollset(void)
-{
- ErtsPollSet ps = SEL_ALLOC(ERTS_ALC_T_POLLSET,
- sizeof(struct ErtsPollSet_));
-
- ps->sigs = NULL;
- ps->sig_count = 0;
- ps->item_count = 0;
- ps->info = NULL;
- ps->interrupt = (PROCESS)0;
- erts_atomic32_init_nob(&ps->wakeup_state, ERTS_POLL_NOT_WOKEN);
- init_timeout_time(ps);
-#ifdef ERTS_SMP
- erts_smp_mtx_init(&ps->mtx, "pollset");
-#endif
- update_sigsel(ps);
- HARDTRACEF("%ux: Out erts_poll_create_pollset",ps);
- return ps;
-}
-
-void erts_poll_destroy_pollset(ErtsPollSet ps)
-{
- ErtsSigSelInfo *info;
- for (info = ps->info; ps->info != NULL; info = ps->info, ps->info = ps->info->next) {
- ErtsSigSelItem *item;
- for (item = info->fds; info->fds != NULL; item = info->fds, info->fds = info->fds->next)
- SEL_FREE(ERTS_ALC_T_POLLSET, item);
- SEL_FREE(ERTS_ALC_T_POLLSET, info);
- }
-
- SEL_FREE(ERTS_ALC_T_POLLSET,ps->sigs);
-
-#ifdef ERTS_SMP
- erts_smp_mtx_destroy(&ps->mtx);
-#endif
-
- SEL_FREE(ERTS_ALC_T_POLLSET,ps);
-}
-
-void erts_poll_init(void)
-{
- HARDTRACEF("In %s", __FUNCTION__);
- max_fds = 256;
-
- HARDTRACEF("Out %s", __FUNCTION__);
-}
-
-
-/* OSE driver functions */
-
-union SIGNAL *erl_drv_ose_get_signal(ErlDrvEvent drv_ev) {
- struct erts_sys_fd_type *ev = (struct erts_sys_fd_type *)drv_ev;
- ethr_mutex_lock(&ev->mtx);
- if (ev->msgs == NULL) {
- ethr_mutex_unlock(&ev->mtx);
- return NULL;
- } else {
- ErtsPollOseMsgList *msg = ev->msgs;
- union SIGNAL *sig = (union SIGNAL*)msg->data;
- ASSERT(msg->data);
- ev->msgs = msg->next;
- ethr_mutex_unlock(&ev->mtx);
- erts_free(ERTS_ALC_T_FD_SIG_LIST,msg);
- restore(sig);
- return sig;
- }
-}
-
-ErlDrvEvent
-erl_drv_ose_event_alloc(SIGSELECT signo, ErlDrvOseEventId id,
- ErlDrvOseEventId (*resolve_signal)(union SIGNAL *sig), void *extra) {
- struct erts_sys_fd_type *ev = erts_alloc(ERTS_ALC_T_DRV_EV,
- sizeof(struct erts_sys_fd_type));
- ev->signo = signo;
- ev->extra = extra;
- ev->id = id;
- ev->msgs = NULL;
- ev->resolve_signal = resolve_signal;
- ethr_mutex_init(&ev->mtx);
- return (ErlDrvEvent)ev;
-}
-
-void erl_drv_ose_event_free(ErlDrvEvent drv_ev) {
- struct erts_sys_fd_type *ev = (struct erts_sys_fd_type *)drv_ev;
- ASSERT(ev->msgs == NULL);
- ethr_mutex_destroy(&ev->mtx);
- erts_free(ERTS_ALC_T_DRV_EV,ev);
-}
-
-void erl_drv_ose_event_fetch(ErlDrvEvent drv_ev, SIGSELECT *signo,
- ErlDrvOseEventId *id, void **extra) {
- struct erts_sys_fd_type *ev = (struct erts_sys_fd_type *)drv_ev;
- if (signo)
- *signo = ev->signo;
- if (extra)
- *extra = ev->extra;
- if (id)
- *id = ev->id;
-}
diff --git a/erts/emulator/sys/ose/erts.sig b/erts/emulator/sys/ose/erts.sig
deleted file mode 100644
index 78b883ee6c..0000000000
--- a/erts/emulator/sys/ose/erts.sig
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef ERTS_OSE_SIGNALS
-#define ERTS_OSE_SIGNALS
-
-#ifndef ERTS_OSE_SIGNAL_BASE
-#define ERTS_OSE_SIGNAL_BASE 0x01900280
-#endif
-
-#define ERTS_SIGNAL_INVALID ERTS_OSE_SIGNAL_BASE
-#define ERTS_SIGNAL_FD_DRV_CONFIG ERTS_OSE_SIGNAL_BASE+1
-#define ERTS_SIGNAL_FD_DRV_ASYNC ERTS_OSE_SIGNAL_BASE+2
-#define ERTS_SIGNAL_OSE_DRV_ATTACH ERTS_OSE_SIGNAL_BASE+3
-#define ERTS_SIGNAL_OSE_DRV_HUNT ERTS_OSE_SIGNAL_BASE+4
-
-#define ERTS_SIGNAL_RUN_ERL_SETUP ERTS_OSE_SIGNAL_BASE+100
-#define ERTS_SIGNAL_RUN_ERL_DAEMON ERTS_OSE_SIGNAL_BASE+101
-
-#endif
diff --git a/erts/emulator/sys/ose/gcc_4.4.3_lm_ppc.lcf b/erts/emulator/sys/ose/gcc_4.4.3_lm_ppc.lcf
deleted file mode 100644
index a19d23facf..0000000000
--- a/erts/emulator/sys/ose/gcc_4.4.3_lm_ppc.lcf
+++ /dev/null
@@ -1,182 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2013-2014 by Enea Software AB,
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * 3. Neither the name of the copyright holder nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- ******************************************************************************/
-
-OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
-OUTPUT_ARCH("powerpc")
-ENTRY("crt0_lm")
-MEMORY
-{
- rom : ORIGIN = 0x01000000, LENGTH = 0x01000000
- ram : ORIGIN = 0x02000000, LENGTH = 0x01000000
-}
-PHDRS
-{
- ph_conf PT_LOAD ;
- ph_rom PT_LOAD ;
- ph_ram PT_LOAD ;
-}
-SECTIONS
-{
- .text :
- {
- *(.text_first)
- *(.text)
- *(.text.*)
- *(.stub)
- *(oscode)
- *(.init*)
- *(.fini*)
- *(.gnu.warning)
- *(.gnu.linkonce.t.*)
- *(.glue_7t)
- *(.glue_7)
- } > rom :ph_rom = 0
- .ose_sfk_biosentry :
- {
- *(.ose_sfk_biosentry)
- } > rom :ph_rom
- .ctors :
- {
- __CTOR_LIST__ = .;
- *(.ctors)
- *(SORT(.ctors.*))
- __CTOR_END__ = .;
- } > rom :ph_rom
- .dtors :
- {
- __DTOR_LIST__ = .;
- *(.dtors)
- *(SORT(.dtors.*))
- __DTOR_END__ = .;
- } > rom :ph_rom
- OSESYMS :
- {
- *(.osesyms)
- } > rom :ph_rom
- .rodata :
- {
- *(.rodata)
- *(.rodata.*)
- *(.gnu.linkonce.r.*)
- } > rom :ph_rom
- .eh_frame_hdr :
- {
- *(.eh_frame_hdr)
- } > rom :ph_rom
- .eh_frame :
- {
- __EH_FRAME_BEGIN__ = .;
- *(.eh_frame)
- LONG(0)
- __EH_FRAME_END__ = .;
- } > rom :ph_rom
- .gcc_except_table :
- {
- *(.gcc_except_table .gcc_except_table.*)
- } > rom :ph_rom
- .sdata2 :
- {
- PROVIDE (_SDA2_BASE_ = .);
- *(.sdata2)
- *(.sdata2.*)
- *(.gnu.linkonce.s2.*)
- } > rom :ph_rom
- .sbss2 :
- {
- *(.sbss2)
- *(.sbss2.*)
- *(.gnu.linkonce.sb2.*)
- } > rom :ph_rom
- LMCONF :
- {
- obj/?*?/ose_confd.o(.rodata)
- *(LMCONF)
- } > rom :ph_conf
- .data :
- {
- LONG(0xDEADBABE)
- *(.data)
- *(.data.*)
- *(.gnu.linkonce.d.*)
- SORT(CONSTRUCTORS)
- . = ALIGN(0x10);
- } > ram :ph_ram = 0
- .sdata2 :
- {
- _SDA2_BASE_ = .;
- *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
- }> ram :ph_ram
- .sdata :
- {
- PROVIDE (_SDA_BASE_ = .);
- *(.sdata)
- *(.sdata.*)
- *(.gnu.linkonce.s.*)
- } > ram :ph_ram
- .sbss :
- {
- *(.sbss)
- *(.sbss.*)
- *(.scommon)
- *(.gnu.linkonce.sb.*)
- } > ram :ph_ram
- .bss (NOLOAD) :
- {
- *(.bss)
- *(.bss.*)
- *(COMMON)
- *(.gnu.linkonce.b.*)
- *(.osvars)
- } > ram :ph_ram
- .ignore (NOLOAD) :
- {
- *(.rel.dyn)
- } > ram :ph_ram
- .debug 0 : { *(.debug) }
- .line 0 : { *(.line) }
- .debug_srcinfo 0 : { *(.debug_srcinfo) }
- .debug_sfnames 0 : { *(.debug_sfnames) }
- .debug_aranges 0 : { *(.debug_aranges) }
- .debug_pubnames 0 : { *(.debug_pubnames) }
- .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
- .debug_abbrev 0 : { *(.debug_abbrev) }
- .debug_line 0 : { *(.debug_line) }
- .debug_frame 0 : { *(.debug_frame) }
- .debug_str 0 : { *(.debug_str) }
- .debug_loc 0 : { *(.debug_loc) }
- .debug_macinfo 0 : { *(.debug_macinfo) }
- .debug_weaknames 0 : { *(.debug_weaknames) }
- .debug_funcnames 0 : { *(.debug_funcnames) }
- .debug_typenames 0 : { *(.debug_typenames) }
- .debug_varnames 0 : { *(.debug_varnames) }
-}
-__OSESYMS_START = ADDR(OSESYMS);
-__OSESYMS_END = ADDR(OSESYMS) + SIZEOF(OSESYMS);
diff --git a/erts/emulator/sys/ose/gcc_4.6.3_lm_ppc.lcf b/erts/emulator/sys/ose/gcc_4.6.3_lm_ppc.lcf
deleted file mode 100644
index 3440c2961b..0000000000
--- a/erts/emulator/sys/ose/gcc_4.6.3_lm_ppc.lcf
+++ /dev/null
@@ -1,242 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2013-2014 by Enea Software AB,
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * 3. Neither the name of the copyright holder nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- ******************************************************************************/
-
-OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
-OUTPUT_ARCH("powerpc")
-
-ENTRY("crt0_lm")
-
-/* Note:
- * You may have to increase the length of the "rom" memory region and the
- * origin and length of the "ram" memory region below depending on the size
- * of the code and data in your load module.
- */
-
-MEMORY
-{
- conf : ORIGIN = 0x00100000, LENGTH = 0x00030000
- rom : ORIGIN = 0x01000000, LENGTH = 0x01000000
- ram : ORIGIN = 0x03000000, LENGTH = 0x01000000
-}
-
-PHDRS
-{
- ph_conf PT_LOAD ;
- ph_rom PT_LOAD ;
- ph_ram PT_LOAD ;
-}
-
-SECTIONS
-{
-/*---------------------------------------------------------------------------
- * Load module configuration area
- *-------------------------------------------------------------------------*/
-
- /* Load module configuration section. */
- LMCONF :
- {
- obj/?*?/ose_confd.o(.rodata)
- *(LMCONF)
- } > conf :ph_conf
-
-/*---------------------------------------------------------------------------
- * Read-only area
- *-------------------------------------------------------------------------*/
-
- /* Code section. */
- .text :
- {
- *(.text)
- *(.text.*)
- *(.stub)
- *(oscode)
- *(.init*)
- *(.fini*)
- *(.gnu.warning)
- *(.gnu.linkonce.t.*)
- } > rom :ph_rom = 0
-
- /* OSE symbols section. */
- OSESYMS :
- {
- *(.osesyms)
- } > rom :ph_rom
-
- /* Read-only data section. */
- .rodata :
- {
- *(.rodata)
- *(.rodata.*)
- *(.gnu.linkonce.r.*)
- } > rom :ph_rom
-
- /* C++ exception handling section. */
- .eh_frame :
- {
- __EH_FRAME_BEGIN__ = .;
- *(.eh_frame)
- LONG(0)
- __EH_FRAME_END__ = .;
- } > rom :ph_rom
-
- /* C++ exception handling section. */
- .gcc_except_table :
- {
- *(.gcc_except_table .gcc_except_table.*)
- } > rom :ph_rom
-
- /* PowerPC EABI initialized read-only data section. */
- .sdata2 :
- {
- PROVIDE (_SDA2_BASE_ = .);
- *(.sdata2)
- *(.sdata2.*)
- *(.gnu.linkonce.s2.*)
- } > rom :ph_rom
-
- /* PowerPC EABI uninitialized read-only data section. */
- .sbss2 :
- {
- *(.sbss2)
- *(.sbss2.*)
- *(.gnu.linkonce.sb2.*)
- } > rom :ph_rom
-
-/*---------------------------------------------------------------------------
- * Read-write area
- *-------------------------------------------------------------------------*/
-
- /*-------------------------------------------------------------------
- * Initialized data (copied by PM)
- *-----------------------------------------------------------------*/
-
- /* Data section. */
- .data :
- {
- *(.data)
- *(.data.*)
- *(.gnu.linkonce.d.*)
- SORT(CONSTRUCTORS)
- } > ram :ph_ram
-
- /* C++ constructor section. */
- .ctors :
- {
- __CTOR_LIST__ = .;
- *(.ctors)
- *(SORT(.ctors.*))
- __CTOR_END__ = .;
- } > ram :ph_ram
-
- /* C++ destructor section. */
- .dtors :
- {
- __DTOR_LIST__ = .;
- *(.dtors)
- *(SORT(.dtors.*))
- __DTOR_END__ = .;
- } > ram :ph_ram
-
-
- /* Small data section. */
- .sdata ALIGN(0x10) :
- {
- PROVIDE (_SDA_BASE_ = .);
- *(.sdata)
- *(.sdata.*)
- *(.gnu.linkonce.s.*)
- } > ram :ph_ram
-
- /*-------------------------------------------------------------------
- * Uninitialized data (cleared by PM)
- *-----------------------------------------------------------------*/
-
- /* Small bss section. */
- .sbss :
- {
- *(.sbss)
- *(.sbss.*)
- *(.scommon)
- *(.gnu.linkonce.sb.*)
- } > ram :ph_ram
-
- /* Bss section. */
- .bss :
- {
- *(.bss)
- *(.bss.*)
- *(COMMON)
- *(.gnu.linkonce.b.*)
- } > ram :ph_ram
-
-/*---------------------------------------------------------------------------
- * Debug information
- *-------------------------------------------------------------------------*/
-
- /*
- * Stabs debug sections.
- */
-
- .stab 0 : { *(.stab) }
- .stabstr 0 : { *(.stabstr) }
- .stab.excl 0 : { *(.stab.excl) }
- .stab.exclstr 0 : { *(.stab.exclstr) }
- .stab.index 0 : { *(.stab.index) }
- .stab.indexstr 0 : { *(.stab.indexstr) }
- .comment 0 : { *(.comment) }
-
- /*
- * DWARF debug sections.
- */
-
- /* DWARF 1 */
- .debug 0 : { *(.debug) }
- .line 0 : { *(.line) }
- /* GNU DWARF 1 extensions */
- .debug_srcinfo 0 : { *(.debug_srcinfo) }
- .debug_sfnames 0 : { *(.debug_sfnames) }
- /* DWARF 1.1 and DWARF 2 */
- .debug_aranges 0 : { *(.debug_aranges) }
- .debug_pubnames 0 : { *(.debug_pubnames) }
- /* DWARF 2 */
- .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
- .debug_abbrev 0 : { *(.debug_abbrev) }
- .debug_line 0 : { *(.debug_line) }
- .debug_frame 0 : { *(.debug_frame) }
- .debug_str 0 : { *(.debug_str) }
- .debug_loc 0 : { *(.debug_loc) }
- .debug_macinfo 0 : { *(.debug_macinfo) }
- /* SGI/MIPS DWARF 2 extensions */
- .debug_weaknames 0 : { *(.debug_weaknames) }
- .debug_funcnames 0 : { *(.debug_funcnames) }
- .debug_typenames 0 : { *(.debug_typenames) }
- .debug_varnames 0 : { *(.debug_varnames) }
-}
diff --git a/erts/emulator/sys/ose/sys.c b/erts/emulator/sys/ose/sys.c
deleted file mode 100644
index bcd0ffa0b6..0000000000
--- a/erts/emulator/sys/ose/sys.c
+++ /dev/null
@@ -1,1847 +0,0 @@
-/*
- * %CopyrightBegin%
- *
- * Copyright Ericsson AB 1996-2013. All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * %CopyrightEnd%
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-#include "sys/time.h"
-#include "time.h"
-#include "sys/uio.h"
-#include "termios.h"
-#include "ctype.h"
-#include "termios.h"
-
-#ifdef HAVE_FCNTL_H
-#include "fcntl.h"
-#endif
-
-#ifdef HAVE_SYS_IOCTL_H
-#include "sys/ioctl.h"
-#endif
-
-#define ERTS_WANT_BREAK_HANDLING
-#define WANT_NONBLOCKING
-#include "sys.h"
-#include "erl_thr_progress.h"
-
-#ifdef USE_THREADS
-#include "erl_threads.h"
-#endif
-
-#include "erl_mseg.h"
-
-#include "unistd.h"
-#include "efs.h"
-#include "erl_printf.h"
-#include "aio.h"
-#include "pm.h"
-#include "fcntl.h"
-
-/* Set the define to 1 to get some logging */
-#if 0
-#include "ramlog.h"
-#define LOG(output) ramlog_printf output
-#else
-#define LOG(output)
-#endif
-
-extern char **environ;
-static erts_smp_rwmtx_t environ_rwmtx;
-static PROCESS sig_proxy_pid = 0;
-
-#define MAX_VSIZE 16 /* Max number of entries allowed in an I/O
- * vector sock_sendv().
- */
-/*
- * Don't need global.h, but bif_table.h (included by bif.h),
- * won't compile otherwise
- */
-#include "global.h"
-#include "bif.h"
-
-#include "erl_sys_driver.h"
-#include "erl_check_io.h"
-#include "erl_cpu_topology.h"
-
-/* The priority for reader/writer processes */
-#define FD_PROC_PRI get_pri(current_process())
-
-typedef struct ErtsSysReportExit_ ErtsSysReportExit;
-struct ErtsSysReportExit_ {
- ErtsSysReportExit *next;
- Eterm port;
- int pid;
- int ifd;
- int ofd;
- ErlDrvEvent attach_event;
- ErlDrvEvent input_event;
- ErlDrvEvent output_event;
-};
-
-/* This data is shared by these drivers - initialized by spawn_init() */
-static struct driver_data {
- ErlDrvPort port_num;
- int ofd;
- int ifd;
- int packet_bytes;
- ErtsSysReportExit *report_exit;
- int pid;
- int alive;
- int status;
- ErlDrvEvent input_event;
- ErlDrvEvent output_event;
- struct aiocb aiocb;
- FmHandle handle;
- char *install_handle;
-} *driver_data; /* indexed by fd */
-
-struct async {
- SIGSELECT signo;
- ErlDrvTermData port;
- ErlDrvTermData proc;
- PROCESS spid;
- PROCESS target;
- Uint32 ref;
-};
-
-static ErtsSysReportExit *report_exit_list;
-static ERTS_INLINE void report_exit_status(ErtsSysReportExit *rep, int status);
-
-extern int driver_interrupt(int, int);
-extern void do_break(void);
-
-extern void erl_sys_args(int*, char**);
-
-/* The following two defs should probably be moved somewhere else */
-
-extern void erts_sys_init_float(void);
-
-extern void erl_crash_dump(char* file, int line, char* fmt, ...);
-
-#define DIR_SEPARATOR_CHAR '/'
-
-#if defined(DEBUG)
-#define ERL_BUILD_TYPE_MARKER ".debug"
-#else /* opt */
-#define ERL_BUILD_TYPE_MARKER
-#endif
-
-#define CHILD_SETUP_PROG_NAME "child_setup" ERL_BUILD_TYPE_MARKER
-
-#ifdef DEBUG
-static int debug_log = 0;
-#endif
-
-#ifdef ERTS_SMP
-static erts_smp_atomic32_t have_prepared_crash_dump;
-#define ERTS_PREPARED_CRASH_DUMP \
- ((int) erts_smp_atomic32_xchg_nob(&have_prepared_crash_dump, 1))
-#else
-static volatile int have_prepared_crash_dump;
-#define ERTS_PREPARED_CRASH_DUMP \
- (have_prepared_crash_dump++)
-#endif
-
-static erts_smp_atomic_t sys_misc_mem_sz;
-
-#if defined(ERTS_SMP)
-erts_mtx_t chld_stat_mtx;
-#endif
-
-#if defined(ERTS_SMP) /* ------------------------------------------------- */
-#define CHLD_STAT_LOCK erts_mtx_lock(&chld_stat_mtx)
-#define CHLD_STAT_UNLOCK erts_mtx_unlock(&chld_stat_mtx)
-
-#else /* ------------------------------------------------------------------- */
-#define CHLD_STAT_LOCK
-#define CHLD_STAT_UNLOCK
-static volatile int children_died;
-#endif
-
-#define SET_AIO(REQ,FD,SIZE,BUFF) \
- memset(&(REQ),0,sizeof(REQ)); \
- (REQ).aio_fildes = FD; \
- (REQ).aio_offset = FM_POSITION_CURRENT; \
- (REQ).aio_nbytes = SIZE; \
- (REQ).aio_buf = BUFF; \
- (REQ).aio_sigevent.sigev_notify = SIGEV_NONE
-
-/* the first sizeof(struct aiocb *) bytes of the write buffer
- * will contain the pointer to the aiocb struct, this needs
- * to be freed between asynchronous writes.
- * A write of 0 bytes is ignored. */
-#define WRITE_AIO(FD,SIZE,BUFF) do { \
- if (SIZE > 0) { \
- struct aiocb *write_req = driver_alloc(sizeof(struct aiocb)); \
- char *write_buff = driver_alloc((sizeof(char)*SIZE)+1+ \
- (sizeof(struct aiocb *))); \
- *(struct aiocb **)write_buff = (struct aiocb *)write_req; \
- write_buff += sizeof(struct aiocb *); \
- memcpy(write_buff,BUFF,SIZE+1); \
- SET_AIO(*write_req,FD,SIZE,write_buff); \
- if (aio_write(write_req)) \
- ramlog_printf("%s:%d: write failed with %d\n", \
- __FILE__,__LINE__,errno); \
- } \
-} while(0)
-
-/* free the write_buffer and write_req
- * created in the WRITE_AIO() request macro */
-#define FREE_AIO(ptr) do { \
- struct aiocb *aiocb_ptr; \
- char *buffer_ptr; \
- aiocb_ptr = *(struct aiocb **)((ptr)-sizeof(struct aiocb *)); \
- buffer_ptr = (((char*)ptr)-sizeof(struct aiocb *)); \
- driver_free(aiocb_ptr); \
- driver_free(buffer_ptr); \
-} while(0)
-
-#define DISPATCH_AIO(sig) do { \
- if (aio_dispatch(sig)) \
- ramlog_printf("%s:%d: dispatch failed with %d\n", \
- __FILE__,__LINE__,errno); \
- } while(0)
-
-#define AIO_PIPE_SIZE 1024
-
-/* debug print macros */
-#define DEBUG_RES 0
-
-#ifdef DEBUG_RES
-#define DEBUG_CHECK_RES(actual, expected) \
- do { \
- if (actual != expected ) { \
- ramlog_printf("Result check failed" \
- " got: 0x%08x expected:0x%08x\nat: %s:%d\n", \
- actual, expected, __FILE__, __LINE__); \
- abort(); /* This might perhaps be too harsh? */ \
- } \
- } while(0)
-#else
-#define DEBUG_CHECK_RES
-#endif
-
-static struct fd_data {
- char pbuf[4]; /* hold partial packet bytes */
- int psz; /* size of pbuf */
- char *buf;
- char *cpos;
- int sz;
- int remain; /* for input on fd */
-} *fd_data; /* indexed by fd */
-
-/********************* General functions ****************************/
-
-/* This is used by both the drivers and general I/O, must be set early */
-static int max_files = -1;
-
-/*
- * a few variables used by the break handler
- */
-#ifdef ERTS_SMP
-erts_smp_atomic32_t erts_break_requested;
-#define ERTS_SET_BREAK_REQUESTED \
- erts_smp_atomic32_set_nob(&erts_break_requested, (erts_aint32_t) 1)
-#define ERTS_UNSET_BREAK_REQUESTED \
- erts_smp_atomic32_set_nob(&erts_break_requested, (erts_aint32_t) 0)
-#else
-volatile int erts_break_requested = 0;
-#define ERTS_SET_BREAK_REQUESTED (erts_break_requested = 1)
-#define ERTS_UNSET_BREAK_REQUESTED (erts_break_requested = 0)
-#endif
-/* set early so the break handler has access to initial mode */
-static struct termios initial_tty_mode;
-static int replace_intr = 0;
-/* assume yes initially, ttsl_init will clear it */
-int using_oldshell = 1;
-static PROCESS get_signal_proxy_pid(void);
-
-static void
-init_check_io(void)
-{
- erts_init_check_io();
- max_files = erts_check_io_max_files();
-}
-
-#ifdef ERTS_POLL_NEED_ASYNC_INTERRUPT_SUPPORT
-#define ERTS_CHK_IO_AS_INTR() erts_check_io_async_sig_interrupt()
-#else
-#define ERTS_CHK_IO_AS_INTR() erts_check_io_interrupt(1)
-#endif
-#define ERTS_CHK_IO_INTR erts_check_io_interrupt
-#define ERTS_CHK_IO_INTR_TMD erts_check_io_interrupt_timed
-#define ERTS_CHK_IO erts_check_io
-#define ERTS_CHK_IO_SZ erts_check_io_size
-
-
-void
-erts_sys_schedule_interrupt(int set)
-{
- ERTS_CHK_IO_INTR(set);
-}
-
-#ifdef ERTS_SMP
-void
-erts_sys_schedule_interrupt_timed(int set, ErtsMonotonicTime timeout_time)
-{
- ERTS_CHK_IO_INTR_TMD(set, timeout_time);
-}
-#endif
-
-Uint
-erts_sys_misc_mem_sz(void)
-{
- Uint res = ERTS_CHK_IO_SZ();
- res += erts_smp_atomic_read_mb(&sys_misc_mem_sz);
- return res;
-}
-
-/*
- * reset the terminal to the original settings on exit
- */
-void sys_tty_reset(int exit_code)
-{
- if (using_oldshell && !replace_intr) {
- SET_BLOCKING(0);
- }
- else if (isatty(0)) {
- tcsetattr(0,TCSANOW,&initial_tty_mode);
- }
-}
-
-#ifdef USE_THREADS
-
-typedef struct {
- int sched_bind_data;
-} erts_thr_create_data_t;
-
-/*
- * thr_create_prepare() is called in parent thread before thread creation.
- * Returned value is passed as argument to thr_create_cleanup().
- */
-static void *
-thr_create_prepare(void)
-{
- erts_thr_create_data_t *tcdp;
-
- tcdp = erts_alloc(ERTS_ALC_T_TMP, sizeof(erts_thr_create_data_t));
-
- tcdp->sched_bind_data = erts_sched_bind_atthrcreate_prepare();
-
- return (void *) tcdp;
-}
-
-
-/* thr_create_cleanup() is called in parent thread after thread creation. */
-static void
-thr_create_cleanup(void *vtcdp)
-{
- erts_thr_create_data_t *tcdp = (erts_thr_create_data_t *) vtcdp;
-
- erts_sched_bind_atthrcreate_parent(tcdp->sched_bind_data);
-
- erts_free(ERTS_ALC_T_TMP, tcdp);
-}
-
-static void
-thr_create_prepare_child(void *vtcdp)
-{
- erts_thr_create_data_t *tcdp = (erts_thr_create_data_t *) vtcdp;
-
-#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_thread_setup();
-#endif
-
- erts_sched_bind_atthrcreate_child(tcdp->sched_bind_data);
-}
-
-#endif /* #ifdef USE_THREADS */
-
-/* The two functions below are stolen from win_con.c
- They have to use malloc/free/realloc directly becasue
- we want to do able to do erts_printf very early on.
- */
-#define VPRINTF_BUF_INC_SIZE 128
-static erts_dsprintf_buf_t *
-grow_vprintf_buf(erts_dsprintf_buf_t *dsbufp, size_t need)
-{
- char *buf;
- size_t size;
-
- ASSERT(dsbufp);
-
- if (!dsbufp->str) {
- size = (((need + VPRINTF_BUF_INC_SIZE - 1)
- / VPRINTF_BUF_INC_SIZE)
- * VPRINTF_BUF_INC_SIZE);
- buf = (char *) malloc(size * sizeof(char));
- }
- else {
- size_t free_size = dsbufp->size - dsbufp->str_len;
-
- if (need <= free_size)
- return dsbufp;
-
- size = need - free_size + VPRINTF_BUF_INC_SIZE;
- size = (((size + VPRINTF_BUF_INC_SIZE - 1)
- / VPRINTF_BUF_INC_SIZE)
- * VPRINTF_BUF_INC_SIZE);
- size += dsbufp->size;
- buf = (char *) realloc((void *) dsbufp->str,
- size * sizeof(char));
- }
- if (!buf)
- return NULL;
- if (buf != dsbufp->str)
- dsbufp->str = buf;
- dsbufp->size = size;
- return dsbufp;
-}
-
-static int erts_sys_ramlog_printf(char *format, va_list arg_list)
-{
- int res,i;
- erts_dsprintf_buf_t dsbuf = ERTS_DSPRINTF_BUF_INITER(grow_vprintf_buf);
- res = erts_vdsprintf(&dsbuf, format, arg_list);
- if (res >= 0) {
- for (i = 0; i < dsbuf.str_len; i+= 50)
- /* We print 50 characters at a time because otherwise
- the ramlog looks broken */
- ramlog_printf("%.*s",dsbuf.str_len-50 < 0?dsbuf.str_len:50,dsbuf.str+i);
- }
- if (dsbuf.str)
- free((void *) dsbuf.str);
- return res;
-}
-
-void
-erts_sys_pre_init(void)
-{
- erts_printf_add_cr_to_stdout = 1;
- erts_printf_add_cr_to_stderr = 1;
-#ifdef USE_THREADS
- {
- erts_thr_init_data_t eid = ERTS_THR_INIT_DATA_DEF_INITER;
-
- eid.thread_create_child_func = thr_create_prepare_child;
- /* Before creation in parent */
- eid.thread_create_prepare_func = thr_create_prepare;
- /* After creation in parent */
- eid.thread_create_parent_func = thr_create_cleanup,
-
- erts_thr_init(&eid);
-
- report_exit_list = NULL;
-
-#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_init();
-#endif
-
-#if defined(ERTS_SMP)
- erts_mtx_init(&chld_stat_mtx, "child_status");
-#endif
- }
-#ifdef ERTS_SMP
- erts_smp_atomic32_init_nob(&erts_break_requested, 0);
- erts_smp_atomic32_init_nob(&have_prepared_crash_dump, 0);
-#else
- erts_break_requested = 0;
- have_prepared_crash_dump = 0;
-#endif
-#if !defined(ERTS_SMP)
- children_died = 0;
-#endif
-#endif /* USE_THREADS */
-
- erts_printf_stdout_func = erts_sys_ramlog_printf;
-
- erts_smp_atomic_init_nob(&sys_misc_mem_sz, 0);
-}
-
-void
-erl_sys_init(void)
-{
-
-#ifdef USE_SETLINEBUF
- setlinebuf(stdout);
-#else
- setvbuf(stdout, (char *)NULL, _IOLBF, BUFSIZ);
-#endif
-
- erts_sys_init_float();
-
- /* we save this so the break handler can set and reset it properly */
- /* also so that we can reset on exit (break handler or not) */
- if (isatty(0)) {
- tcgetattr(0,&initial_tty_mode);
- }
- tzset(); /* Required at least for NetBSD with localtime_r() */
-}
-
-static ERTS_INLINE int
-prepare_crash_dump(int secs)
-{
-#define NUFBUF (3)
- int i, max;
- char env[21]; /* enough to hold any 64-bit integer */
- size_t envsz;
- /*DeclareTmpHeapNoproc(heap,NUFBUF);*/
- /*Eterm *hp = heap;*/
- /*Eterm list = NIL;*/
- int has_heart = 0;
-
- UseTmpHeapNoproc(NUFBUF);
-
- if (ERTS_PREPARED_CRASH_DUMP)
- return 0; /* We have already been called */
-
-
- /* Positive secs means an alarm must be set
- * 0 or negative means no alarm
- *
- * Set alarm before we try to write to a port
- * we don't want to hang on a port write with
- * no alarm.
- *
- */
-
-#if 0 /*ose TBD!!!*/
- if (secs >= 0) {
- alarm((unsigned int)secs);
- }
-#endif
-
- /* Make sure we unregister at epmd (unknown fd) and get at least
- one free filedescriptor (for erl_crash.dump) */
-
- max = max_files;
- if (max < 1024)
- max = 1024;
- for (i = 3; i < max; i++) {
- close(i);
- }
-
- envsz = sizeof(env);
- i = erts_sys_getenv__("ERL_CRASH_DUMP_NICE", env, &envsz);
- if (i >= 0) {
- int nice_val;
- nice_val = i != 0 ? 0 : atoi(env);
- if (nice_val > 39) {
- nice_val = 39;
- }
- set_pri(nice_val);
- }
-
- UnUseTmpHeapNoproc(NUFBUF);
-#undef NUFBUF
- return has_heart;
-}
-
-int erts_sys_prepare_crash_dump(int secs)
-{
- return prepare_crash_dump(secs);
-}
-
-static ERTS_INLINE void
-break_requested(void)
-{
- /*
- * just set a flag - checked for and handled by
- * scheduler threads erts_check_io() (not signal handler).
- */
-#ifdef DEBUG
- fprintf(stderr,"break!\n");
-#endif
- if (ERTS_BREAK_REQUESTED)
- erl_exit(ERTS_INTR_EXIT, "");
-
- ERTS_SET_BREAK_REQUESTED;
- ERTS_CHK_IO_AS_INTR(); /* Make sure we don't sleep in poll */
-}
-
-/* Disable break */
-void erts_set_ignore_break(void) {
-
-}
-
-/* Don't use ctrl-c for break handler but let it be
- used by the shell instead (see user_drv.erl) */
-void erts_replace_intr(void) {
- struct termios mode;
-
- if (isatty(0)) {
- tcgetattr(0, &mode);
-
- /* here's an example of how to replace ctrl-c with ctrl-u */
- /* mode.c_cc[VKILL] = 0;
- mode.c_cc[VINTR] = CKILL; */
-
- mode.c_cc[VINTR] = 0; /* disable ctrl-c */
- tcsetattr(0, TCSANOW, &mode);
- replace_intr = 1;
- }
-}
-
-void init_break_handler(void)
-{
-
-}
-
-int sys_max_files(void)
-{
- return(max_files);
-}
-
-
-/************************** OS info *******************************/
-
-/* Used by erlang:info/1. */
-/* (This code was formerly in drv.XXX/XXX_os_drv.c) */
-
-char os_type[] = "ose";
-
-void
-os_flavor(char* namebuf, /* Where to return the name. */
- unsigned size) /* Size of name buffer. */
-{
-#if 0
- struct utsname uts; /* Information about the system. */
- char* s;
-
- (void) uname(&uts);
- for (s = uts.sysname; *s; s++) {
- if (isupper((int) *s)) {
- *s = tolower((int) *s);
- }
- }
- strcpy(namebuf, uts.sysname);
-#else
- strncpy(namebuf, "release", size);
-#endif
-}
-
-void
-os_version(pMajor, pMinor, pBuild)
-int* pMajor; /* Pointer to major version. */
-int* pMinor; /* Pointer to minor version. */
-int* pBuild; /* Pointer to build number. */
-{
- *pMajor = 5;
- *pMinor = 7;
- *pBuild = 0;
-}
-
-void init_getenv_state(GETENV_STATE *state)
-{
- erts_smp_rwmtx_rlock(&environ_rwmtx);
- *state = NULL;
-}
-
-char **environ; /*ose - needs replacement*/
-
-char *getenv_string(GETENV_STATE *state0)
-{
- char **state = (char **) *state0;
- char *cp;
-
- ERTS_SMP_LC_ASSERT(erts_smp_lc_rwmtx_is_rlocked(&environ_rwmtx));
-
- if (state == NULL)
- state = environ;
-
- cp = *state++;
- *state0 = (GETENV_STATE) state;
-
- return cp;
-}
-
-void fini_getenv_state(GETENV_STATE *state)
-{
- *state = NULL;
- erts_smp_rwmtx_runlock(&environ_rwmtx);
-}
-
-
-/************************** Port I/O *******************************/
-
-/* I. Common stuff */
-
-union SIGNAL {
- SIGSELECT sig_no;
- struct FmReadPtr fm_read_reply;
- struct FmWritePtr fm_write_reply;
- struct async async;
-};
-
-/* II. The spawn/fd drivers */
-
-/*
- * Decreasing the size of it below 16384 is not allowed.
- */
-#define ERTS_SYS_READ_BUF_SZ (64*1024)
-
-/* Driver interfaces */
-static ErlDrvData spawn_start(ErlDrvPort, char*, SysDriverOpts*);
-static ErlDrvData fd_start(ErlDrvPort, char*, SysDriverOpts*);
-static ErlDrvSSizeT fd_control(ErlDrvData, unsigned int, char *, ErlDrvSizeT,
- char **, ErlDrvSizeT);
-static int spawn_init(void);
-static void fd_stop(ErlDrvData);
-static void erl_stop(ErlDrvData);
-static void ready_input(ErlDrvData, ErlDrvEvent);
-static void ready_output(ErlDrvData, ErlDrvEvent);
-static void output(ErlDrvData, char*, ErlDrvSizeT);
-static void stop_select(ErlDrvEvent, void*);
-
-static PROCESS
-get_signal_proxy_pid(void) {
- union SIGNAL *sig;
- SIGSELECT any_sig[] = {1,ERTS_SIGNAL_OSE_DRV_ATTACH};
-
- if (!sig_proxy_pid) {
- sig = alloc(sizeof(union SIGNAL), ERTS_SIGNAL_OSE_DRV_ATTACH);
- hunt("ose_signal_driver_proxy", 0, NULL, &sig);
- sig = receive(any_sig);
- sig_proxy_pid = sender(&sig);
- free_buf(&sig);
- }
- ASSERT(sig_proxy_pid);
- return sig_proxy_pid;
-}
-
-static ErlDrvOseEventId
-resolve_signal(union SIGNAL* sig) {
- switch(sig->sig_no) {
-
- case FM_READ_PTR_REPLY:
- return (ErlDrvOseEventId)sig->fm_read_reply.handle;
-
- case FM_WRITE_PTR_REPLY:
- return (ErlDrvOseEventId)sig->fm_write_reply.handle;
-
- case ERTS_SIGNAL_OSE_DRV_ATTACH:
- return (ErlDrvOseEventId)sig->async.target;
-
- default:
- break;
- }
- return (ErlDrvOseEventId)-1;
-}
-
-struct erl_drv_entry spawn_driver_entry = {
- spawn_init,
- spawn_start,
- NULL, /* erl_stop, */
- output,
- ready_input,
- ready_output,
- "spawn",
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- ERL_DRV_EXTENDED_MARKER,
- ERL_DRV_EXTENDED_MAJOR_VERSION,
- ERL_DRV_EXTENDED_MINOR_VERSION,
- ERL_DRV_FLAG_USE_PORT_LOCKING,
- NULL, NULL,
- stop_select
-};
-struct erl_drv_entry fd_driver_entry = {
- NULL,
- fd_start,
- fd_stop,
- output,
- ready_input,
- ready_output,
- "fd",
- NULL,
- NULL,
- fd_control,
- NULL,
- NULL,
- NULL, /* ready_async */
- NULL, /* flush */
- NULL, /* call */
- NULL, /* event */
- ERL_DRV_EXTENDED_MARKER,
- ERL_DRV_EXTENDED_MAJOR_VERSION,
- ERL_DRV_EXTENDED_MINOR_VERSION,
- 0, /* ERL_DRV_FLAGs */
- NULL, /* handle2 */
- NULL, /* process_exit */
- stop_select
-};
-
-static void
-set_spawn_fd(int local_fd, int remote_fd, PROCESS remote_pid) {
- PROCESS vm_pid;
- FmHandle handle;
- char env_val[55];
- char env_name[10];
- EfsStatus efs_res;
-
- /* get pid of pipevm and handle of chosen fd */
- efs_res = efs_examine_fd(local_fd, FLIB_FD_VMPID, &vm_pid, 0);
- DEBUG_CHECK_RES(efs_res, EFS_SUCCESS);
-
- /* setup the file descriptor to buffer per line */
- efs_res = efs_config_fd(local_fd, FLIB_FD_BUFMODE, FM_BUFF_LINE,
- FLIB_FD_BUFSIZE, 80, 0);
- DEBUG_CHECK_RES(efs_res, EFS_SUCCESS);
-
- /* duplicate handle and set spawn pid owner */
- efs_res = efs_dup_to(local_fd, remote_pid, &handle);
- DEBUG_CHECK_RES(efs_res, EFS_SUCCESS);
-
- sprintf(env_name, "FD%d", remote_fd);
-
- /* Syntax of the environment variable:
- * "FD#" "<pid of pipevm>,<handle>,<buffer mode>,<buff size>,<omode>" */
- sprintf(env_val, "0x%lx,0x%lx,%lu,%lu,0x%x",
- vm_pid, handle,
- FM_BUFF_LINE, 80,
- O_APPEND);
-
- set_env(remote_pid, env_name, env_val);
-}
-
-static ErlDrvData
-set_driver_data(ErlDrvPort port_num,
- int ifd,
- int ofd,
- int packet_bytes,
- int read_write,
- int exit_status,
- PROCESS pid)
-{
- Port *prt;
- ErtsSysReportExit *report_exit;
-
- prt = erts_drvport2port(port_num);
- if (prt != ERTS_INVALID_ERL_DRV_PORT) {
- prt->os_pid = pid;
- }
-
- /* READ */
- if (read_write & DO_READ) {
- EfsStatus res = efs_examine_fd(ifd, FLIB_FD_HANDLE,
- &driver_data[ifd].handle, 0);
- if (res != EFS_SUCCESS)
- ramlog_printf("%s:%d: efs_examine_fd(%d) failed with %d\n",
- __FILE__,__LINE__,ifd,errno);
- driver_data[ifd].ifd = ifd;
- driver_data[ifd].packet_bytes = packet_bytes;
- driver_data[ifd].port_num = port_num;
- driver_data[ifd].pid = pid;
-
- /* async read struct */
- memset(&driver_data[ifd].aiocb, 0, sizeof(struct aiocb));
- driver_data[ifd].aiocb.aio_buf = driver_alloc(AIO_PIPE_SIZE);
- driver_data[ifd].aiocb.aio_fildes = ifd;
- driver_data[ifd].aiocb.aio_nbytes = (packet_bytes?packet_bytes:AIO_PIPE_SIZE);
- driver_data[ifd].alive = 1;
- driver_data[ifd].status = 0;
- driver_data[ifd].input_event =
- erl_drv_ose_event_alloc(FM_READ_PTR_REPLY,
- driver_data[ifd].handle, resolve_signal,
- &driver_data[ifd].ifd);
-
- /* READ & WRITE */
- if (read_write & DO_WRITE) {
- driver_data[ifd].ofd = ofd;
- efs_examine_fd(ofd, FLIB_FD_HANDLE, &driver_data[ofd].handle, 0);
-
- driver_data[ifd].output_event =
- erl_drv_ose_event_alloc(FM_WRITE_PTR_REPLY,
- driver_data[ofd].handle, resolve_signal,
- &driver_data[ofd].ofd);
- driver_data[ofd].pid = pid;
- if (ifd != ofd) {
- driver_data[ofd] = driver_data[ifd];
- driver_data[ofd].aiocb.aio_buf = NULL;
- }
- }
- else { /* READ ONLY */
- driver_data[ifd].ofd = -1;
- }
-
- /* enable input event */
- (void) driver_select(port_num, driver_data[ifd].input_event,
- (ERL_DRV_READ | ERL_DRV_USE), 1);
-
- if (aio_read(&driver_data[ifd].aiocb))
- ramlog_printf("%s:%d: aio_read(%d) failed with %d\n",
- __FILE__,__LINE__,ifd,errno);
- }
- else { /* WRITE ONLY */
- efs_examine_fd(ofd, FLIB_FD_HANDLE, &driver_data[ofd].handle, 0);
- driver_data[ofd].packet_bytes = packet_bytes;
- driver_data[ofd].port_num = port_num;
- driver_data[ofd].ofd = ofd;
- driver_data[ofd].pid = pid;
- driver_data[ofd].alive = 1;
- driver_data[ofd].status = 0;
- driver_data[ofd].output_event =
- erl_drv_ose_event_alloc(FM_WRITE_PTR_REPLY, driver_data[ofd].handle,
- resolve_signal, &driver_data[ofd].ofd);
- driver_data[ofd].input_event = driver_data[ofd].output_event;
- }
-
- /* this is used for spawned load modules, and is needed
- * to properly uninstall them */
- if (exit_status) {
- struct PmProgramInfo *info;
- int install_handle_size;
- union SIGNAL *sig;
- PmStatus pm_status;
- report_exit = erts_alloc(ERTS_ALC_T_PRT_REP_EXIT,
- sizeof(ErtsSysReportExit));
- report_exit->next = report_exit_list;
- report_exit->port = erts_drvport2id(port_num);
- report_exit->pid = pid;
- report_exit->ifd = (read_write & DO_READ) ? ifd : -1;
- report_exit->ofd = (read_write & DO_WRITE) ? ofd : -1;
- report_exit_list = report_exit;
- report_exit->attach_event =
- erl_drv_ose_event_alloc(ERTS_SIGNAL_OSE_DRV_ATTACH, pid,
- resolve_signal, &driver_data[ifd].ifd);
-
- /* setup ifd and ofd report exit */
- driver_data[ifd].report_exit = report_exit;
- driver_data[ofd].report_exit = report_exit;
-
- pm_status = ose_pm_program_info(pid, &info);
- DEBUG_CHECK_RES(pm_status, PM_SUCCESS);
-
- install_handle_size = strlen(info->install_handle)+1;
- driver_data[ifd].install_handle = driver_alloc(install_handle_size);
- strcpy(driver_data[ifd].install_handle,
- info->install_handle);
-
- free_buf((union SIGNAL **)&info);
-
- sig = alloc(sizeof(struct async), ERTS_SIGNAL_OSE_DRV_ATTACH);
- sig->async.target = pid;
- send(&sig, get_signal_proxy_pid());
-
- /* this event will trigger when we receive an attach signal
- * from the recently dead load module */
- (void)driver_select(port_num,report_exit->attach_event, DO_READ, 1);
- }
- else {
- report_exit = NULL;
- }
-
- /* the return value is the pointer to the driver_data struct we created
- * in this function, it will be used in the drivers input
- * and output functions */
- return (ErlDrvData)((!(read_write & DO_READ) && read_write & DO_WRITE)
- ? &driver_data[ofd]
- : &driver_data[ifd]);
-}
-
-static int spawn_init()
-{
- int i;
-
- driver_data = (struct driver_data *)
- erts_alloc(ERTS_ALC_T_DRV_TAB, max_files * sizeof(struct driver_data));
- erts_smp_atomic_add_nob(&sys_misc_mem_sz,
- max_files * sizeof(struct driver_data));
-
- for (i = 0; i < max_files; i++)
- driver_data[i].pid = -1;
-
- return 1;
-}
-
-static void
-init_fd_data(int fd, ErlDrvPort port_num)
-{
- fd_data[fd].buf = NULL;
- fd_data[fd].cpos = NULL;
- fd_data[fd].remain = 0;
- fd_data[fd].sz = 0;
- fd_data[fd].psz = 0;
-}
-
-/* FIXME write a decent text on pipes on ose */
-static ErlDrvData
-spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* opts)
-{
- int ifd[2];
- int ofd[2];
- static uint32_t ticker = 1;
- PmStatus pm_status;
- OSDOMAIN domain = PM_NEW_DOMAIN;
- PROCESS progpid, mainbid, mainpid;
- char *handle = NULL;
- struct PmProgramInfo *info;
- char *args = NULL;
- char *tmp_handle;
- ErlDrvData res = (ErlDrvData)-1;
- int handle_size;
- char *ptr;
-
-
- args = driver_alloc(strlen(name)+1);
- strcpy(args, name);
- /* We need to handle name in three parts
- * - install handle (must be unique)
- * - install binary (needed for ose_pm_install_load_module())
- * - full path (as argument to the spawned applications env.var
- */
-
- /* full path including arguments */
- args = driver_alloc(strlen(name)+1);
- strcpy(args, name);
-
- /* handle path */
- tmp_handle = strrchr(name, '/');
- if (tmp_handle == NULL) {
- tmp_handle = name;
- }
- else {
- tmp_handle++;
- }
-
- /* handle args */
- ptr = strchr(tmp_handle, ' ');
- if (ptr != NULL) {
- *ptr = '\0';
- handle_size = ptr - tmp_handle;
- }
- else {
- handle_size = strlen(name)+1;
- }
-
- /* make room for ticker */
- handle_size += (ticker<10)?3:((ticker<100)?4:5);
- handle = driver_alloc(handle_size);
-
- do {
- snprintf(handle, handle_size, "%s_%d", tmp_handle, ticker);
- pm_status = ose_pm_install_load_module(0, "ELF", name, handle,
- 0, 0, NULL);
- ticker++;
- } while (pm_status == PM_EINSTALL_HANDLE_ALREADY_INSTALLED);
-
- if (pm_status != PM_SUCCESS) {
- errno = ENOSYS; /* FIXME add comment */
- return ERL_DRV_ERROR_ERRNO;
- }
-
- /* Create Program */
- pm_status = ose_pm_create_program(&domain, handle, 0, 0,
- NULL, &progpid, &mainbid);
- DEBUG_CHECK_RES(pm_status, PM_SUCCESS);
-
- /* Get the mainpid from the newly created program */
- pm_status = ose_pm_program_info(progpid, &info);
- DEBUG_CHECK_RES(pm_status, PM_SUCCESS);
-
- mainpid = info->main_process;
- free_buf ((union SIGNAL **)&info);
-
- /* pipevm needs to be started
- * pipe will return 0 if success, -1 if not,
- * errno will be set */
- if (pipe(ifd) != 0 || pipe(ofd) != 0) {
- DEBUG_CHECK_RES(0, -1);
- ASSERT(0);
- }
-
- /* setup driver data */
- res = set_driver_data(port_num, ofd[0], ifd[1], opts->packet_bytes,
- opts->read_write, 1 /* opts->exit_status */, progpid);
-
- /* init the fd_data array for read/write */
- init_fd_data(ofd[0], port_num);
- init_fd_data(ifd[1], port_num);
-
- /* setup additional configurations
- * for the spawned applications environment */
- if (args != NULL) {
- set_env(progpid, "ARGV", args);
- }
- set_env(mainbid, "EFS_RESOLVE_TMO", 0);
- set_spawn_fd(ifd[0], 0, mainpid);
- set_spawn_fd(ofd[1], 1, mainpid);
- set_spawn_fd(ofd[1], 2, mainpid);
-
- /* start the spawned program */
- pm_status = ose_pm_start_program(mainbid);
- DEBUG_CHECK_RES(pm_status, PM_SUCCESS);
-
- /* close unused fd's */
- close(ifd[0]);
- close(ofd[1]);
-
- if (handle) {
- driver_free(handle);
- }
-
- return (ErlDrvData)res;
-}
-
-#define FD_DEF_HEIGHT 24
-#define FD_DEF_WIDTH 80
-/* Control op */
-#define FD_CTRL_OP_GET_WINSIZE 100
-
-static int fd_get_window_size(int fd, Uint32 *width, Uint32 *height)
-{
-#ifdef TIOCGWINSZ
- struct winsize ws;
- if (ioctl(fd,TIOCGWINSZ,&ws) == 0) {
- *width = (Uint32) ws.ws_col;
- *height = (Uint32) ws.ws_row;
- return 0;
- }
-#endif
- return -1;
-}
-
-static ErlDrvSSizeT fd_control(ErlDrvData drv_data,
- unsigned int command,
- char *buf, ErlDrvSizeT len,
- char **rbuf, ErlDrvSizeT rlen)
-{
- struct driver_data *data = (struct driver_data *)drv_data;
- char resbuff[2*sizeof(Uint32)];
- switch (command) {
- case FD_CTRL_OP_GET_WINSIZE:
- {
- Uint32 w,h;
- if (fd_get_window_size(data->ifd,&w,&h))
- return 0;
- memcpy(resbuff,&w,sizeof(Uint32));
- memcpy(resbuff+sizeof(Uint32),&h,sizeof(Uint32));
- }
- break;
- default:
- return 0;
- }
- if (rlen < 2*sizeof(Uint32)) {
- *rbuf = driver_alloc(2*sizeof(Uint32));
- }
- memcpy(*rbuf,resbuff,2*sizeof(Uint32));
- return 2*sizeof(Uint32);
-}
-
-static ErlDrvData fd_start(ErlDrvPort port_num, char* name,
- SysDriverOpts* opts)
-{
- ErlDrvData res;
-
- CHLD_STAT_LOCK;
- if (opts->read_write & DO_READ) {
- init_fd_data(opts->ifd, port_num);
- }
- if (opts->read_write & DO_WRITE) {
- init_fd_data(opts->ofd, port_num);
- }
- res = set_driver_data(port_num, opts->ifd, opts->ofd,
- opts->packet_bytes,
- opts->read_write, 0, -1);
- CHLD_STAT_UNLOCK;
- return res;
-}
-
-static void clear_fd_data(int fd)
-{
- if (fd_data[fd].sz > 0) {
- erts_free(ERTS_ALC_T_FD_ENTRY_BUF, (void *) fd_data[fd].buf);
- ASSERT(erts_smp_atomic_read_nob(&sys_misc_mem_sz) >= fd_data[fd].sz);
- erts_smp_atomic_add_nob(&sys_misc_mem_sz, -1*fd_data[fd].sz);
- }
- fd_data[fd].buf = NULL;
- fd_data[fd].sz = 0;
- fd_data[fd].remain = 0;
- fd_data[fd].cpos = NULL;
- fd_data[fd].psz = 0;
-}
-
-static void nbio_stop_fd(ErlDrvPort prt, ErlDrvEvent ev)
-{
- int *fd;
- driver_select(prt,ev,DO_READ|DO_WRITE,0);
- erl_drv_ose_event_fetch(ev, NULL, NULL, (void **)&fd);
- clear_fd_data(*fd);
- SET_BLOCKING(*fd);
-}
-
-static void fd_stop(ErlDrvData drv_data) /* Does not close the fds */
-{
- struct driver_data *data = (struct driver_data *)drv_data;
-
- if (data->ofd != -1) {
- if (data->ifd != data->ofd) { /* read and write */
- nbio_stop_fd(data->port_num, data->input_event);
- nbio_stop_fd(data->port_num, data->output_event);
- }
- else { /* write only */
- nbio_stop_fd(data->port_num, data->output_event);
- }
- }
- else { /* read only */
- nbio_stop_fd(data->port_num, data->input_event);
- }
-}
-
-
-static void erl_stop(ErlDrvData drv_data)
-{
- struct driver_data *data = (struct driver_data *)drv_data;
-
- CHLD_STAT_LOCK;
- data->pid = -1;
- CHLD_STAT_UNLOCK;
-
- if (data->ofd != -1) {
- if (data->ifd != data->ofd) { /* read and write */
- nbio_stop_fd(data->port_num, data->input_event);
- nbio_stop_fd(data->port_num, data->output_event);
- }
- else { /* write only */
- nbio_stop_fd(data->port_num, data->output_event);
- }
- }
- else { /* read only */
- nbio_stop_fd(data->port_num, data->input_event);
- }
- close(data->ifd);
- close(data->ofd);
-}
-
-/* The parameter e is a pointer to the driver_data structure
- * related to the fd to be used as output */
-static void output(ErlDrvData drv_data, char* buf, ErlDrvSizeT len)
-{
- ErlDrvSizeT sz;
- char lb[4];
- char* lbp;
- struct driver_data *data = (struct driver_data *)drv_data;
-
- if (((data->packet_bytes == 2) &&
- (len > 0xffff)) || (data->packet_bytes == 1 && len > 0xff)) {
- driver_failure_posix(data->port_num, EINVAL);
- return; /* -1; */
- }
- put_int32(len, lb);
- lbp = lb + (4-(data->packet_bytes));
-
- if ((sz = driver_sizeq(data->port_num)) > 0) {
- if (data->packet_bytes != 0) {
- driver_enq(data->port_num, lbp, data->packet_bytes);
- }
- driver_enq(data->port_num, buf, len);
-
- if (sz + len + data->packet_bytes >= (1 << 13))
- set_busy_port(data->port_num, 1);
- }
- else {
- char *pbbuf;
- if (data->packet_bytes != 0) {
- pbbuf = malloc(len + data->packet_bytes);
- int i;
- for (i = 0; i < data->packet_bytes; i++) {
- *pbbuf++ = *lbp++;
- }
- strncpy(pbbuf, buf, len);
- pbbuf -= data->packet_bytes;
- }
- driver_select(data->port_num, data->output_event,
- ERL_DRV_WRITE|ERL_DRV_USE, 1);
- WRITE_AIO(data->ofd,
- (data->packet_bytes ? len+data->packet_bytes : len),
- (data->packet_bytes ? pbbuf : buf));
- if (data->packet_bytes != 0) free(pbbuf);
- }
- return; /* 0; */
-}
-
-/* This function is being run when we in recieve
- * either a read of 0 bytes, or the attach signal from a dying
- * spawned load module */
-static int port_inp_failure(ErlDrvPort port_num, ErlDrvEvent ready_fd, int res)
- /* Result: 0 (eof) or -1 (error) */
-{
- int *fd;
- SIGSELECT sig_no;
- ASSERT(res <= 0);
-
- erl_drv_ose_event_fetch(ready_fd,&sig_no, NULL, (void **)&fd);
- /* As we need to handle two signals, we do this in two steps */
- if (driver_data[*fd].alive) {
- report_exit_status(driver_data[*fd].report_exit, 0); /* status? */
- }
- else {
- driver_select(port_num,ready_fd,DO_READ|DO_WRITE,0);
- clear_fd_data(*fd);
- driver_report_exit(driver_data[*fd].port_num, driver_data[*fd].status);
- /* As we do not really know if the spawn has crashed or exited nicely
- * we do not check the result status of the following call.. FIXME
- * can we handle this in a better way? */
- ose_pm_uninstall_load_module(driver_data[*fd].install_handle);
- driver_free(driver_data[*fd].install_handle);
- driver_free((void *)driver_data[*fd].aiocb.aio_buf);
-
- close(*fd);
- }
-
- return 0;
-}
-
-/* The parameter e is a pointer to the driver_data structure
- * related to the fd to be used as output.
- * ready_fd is the event that triggered this call to ready_input */
-static void ready_input(ErlDrvData drv_data, ErlDrvEvent ready_fd)
-{
- int res;
- Uint h;
- char *buf;
- union SIGNAL *sig;
- struct driver_data *data = (struct driver_data *)drv_data;
-
- sig = erl_drv_ose_get_signal(ready_fd);
- ASSERT(sig);
-
-
- while (sig) {
- /* If we've recieved an attach signal, we need to handle
- * it in port_inp_failure */
- if (sig->sig_no == ERTS_SIGNAL_OSE_DRV_ATTACH) {
- port_inp_failure(data->port_num, ready_fd, 0);
- }
- else {
- res = sig->fm_read_reply.actual;
- if (res == 0) {
- port_inp_failure(data->port_num, ready_fd, res);
- break;
- }
-
- if (data->packet_bytes == 0) {
- if (res < 0) {
- if ((errno != EINTR) && (errno != ERRNO_BLOCK)) {
- port_inp_failure(data->port_num, ready_fd, res);
- }
- }
- else if (res == 0) {
- /* read of 0 bytes, eof, otherside of pipe is assumed dead */
- port_inp_failure(data->port_num, ready_fd, res);
- break;
- }
- else {
- buf = driver_alloc(res);
- memcpy(buf, (void *)data->aiocb.aio_buf, res);
- driver_select(data->port_num, data->output_event,
- ERL_DRV_WRITE|ERL_DRV_USE, 1);
- driver_output(data->port_num, (char*) buf, res);
- driver_free(buf);
- }
- /* clear the previous read */
- memset(data->aiocb.aio_buf, 0, res);
-
- /* issue a new read */
- DISPATCH_AIO(sig);
- aio_read(&data->aiocb);
- }
- else if (data->packet_bytes && fd_data[data->ifd].remain > 0) {
- /* we've read a partial package, or a header */
-
- if (res == fd_data[data->ifd].remain) { /* we are done! */
- char *buf = data->aiocb.aio_buf;
- int i;
-
- /* do we have anything buffered? */
- if (fd_data[data->ifd].buf != NULL) {
- memcpy(fd_data[data->ifd].buf + fd_data[data->ifd].sz,
- buf, res);
- buf = fd_data[data->ifd].buf;
- }
-
- fd_data[data->ifd].sz += res;
- driver_output(data->port_num, buf, (fd_data[data->ifd].sz>0?fd_data[data->ifd].sz:res));
- clear_fd_data(data->ifd);
-
- /* clear the previous read */
- memset(data->aiocb.aio_buf, 0, res);
-
- /* issue a new read */
- DISPATCH_AIO(sig);
- data->aiocb.aio_nbytes = data->packet_bytes;
-
- if (data->aiocb.aio_buf == NULL) {
- port_inp_failure(data->port_num, ready_fd, -1);
- }
- aio_read(&data->aiocb);
- }
- else if(res < fd_data[data->ifd].remain) { /* received part of a package */
- if (fd_data[data->ifd].sz == 0) {
-
- fd_data[data->ifd].sz += res;
- memcpy(fd_data[data->ifd].buf, data->aiocb.aio_buf, res);
- fd_data[data->ifd].remain -= res;
- }
- else {
- memcpy(fd_data[data->ifd].buf + fd_data[data->ifd].sz,
- data->aiocb.aio_buf, res);
- fd_data[data->ifd].sz += res;
- fd_data[data->ifd].remain -= res;
- }
- /* clear the previous read */
- memset(data->aiocb.aio_buf, 0, res);
-
- /* issue a new read */
- DISPATCH_AIO(sig);
- data->aiocb.aio_nbytes = fd_data[data->ifd].remain;
-
- if (data->aiocb.aio_buf == NULL) {
- port_inp_failure(data->port_num, ready_fd, -1);
- }
- aio_read(&data->aiocb);
- }
- }
- else if (data->packet_bytes && fd_data[data->ifd].remain == 0) { /* we've recieved a header */
-
- /* analyze the header FIXME */
- switch (data->packet_bytes) {
- case 1: h = get_int8(data->aiocb.aio_buf); break;
- case 2: h = get_int16(data->aiocb.aio_buf); break;
- case 4: h = get_int32(data->aiocb.aio_buf); break;
- }
-
- fd_data[data->ifd].buf = erts_alloc_fnf(ERTS_ALC_T_FD_ENTRY_BUF, h + data->packet_bytes);
- fd_data[data->ifd].remain = ((h + data->packet_bytes) - res);
-
- /* clear the previous read */
- memset(data->aiocb.aio_buf, 0, data->packet_bytes);
-
- /* issue a new read */
- DISPATCH_AIO(sig);
- data->aiocb.aio_nbytes = h;
-
- if (data->aiocb.aio_buf == NULL) {
- port_inp_failure(data->port_num, ready_fd, -1);
- }
- aio_read(&data->aiocb);
- }
- }
- sig = erl_drv_ose_get_signal(ready_fd);
- }
-}
-
-
-/* The parameter e is a pointer to the driver_data structure
- * related to the fd to be used as output.
- * ready_fd is the event that triggered this call to ready_input */
-static void ready_output(ErlDrvData drv_data, ErlDrvEvent ready_fd)
-{
- SysIOVec *iov;
- int vlen;
- int res;
- union SIGNAL *sig;
- struct driver_data *data = (struct driver_data *)drv_data;
-
- sig = erl_drv_ose_get_signal(ready_fd);
- ASSERT(sig);
-
- while (sig != NULL) {
- if (sig->fm_write_reply.actual <= 0) {
- int status;
-
- status = efs_status_to_errno(sig->fm_write_reply.status);
- driver_select(data->port_num, ready_fd, ERL_DRV_WRITE, 0);
- DISPATCH_AIO(sig);
- FREE_AIO(sig->fm_write_reply.buffer);
-
- driver_failure_posix(data->port_num, status);
- }
- else { /* written bytes > 0 */
- iov = driver_peekq(data->port_num, &vlen);
- if (vlen > 0) {
- DISPATCH_AIO(sig);
- FREE_AIO(sig->fm_write_reply.buffer);
- res = driver_deq(data->port_num, iov[0].iov_len);
- if (res > 0) {
- iov = driver_peekq(data->port_num, &vlen);
- WRITE_AIO(data->ofd, iov[0].iov_len, iov[0].iov_base);
- }
- }
- else if (vlen == 0) {
- DISPATCH_AIO(sig);
- FREE_AIO(sig->fm_write_reply.buffer);
- }
-
- }
- sig = erl_drv_ose_get_signal(ready_fd);
- }
-}
-
-static void stop_select(ErlDrvEvent ready_fd, void* _)
-{
- int *fd;
- erl_drv_ose_event_fetch(ready_fd, NULL, NULL, (void **)&fd);
- erl_drv_ose_event_free(ready_fd);
- close(*fd);
-}
-
-
-void erts_do_break_handling(void)
-{
- struct termios temp_mode;
- int saved = 0;
-
- /*
- * Most functions that do_break() calls are intentionally not thread safe;
- * therefore, make sure that all threads but this one are blocked before
- * proceeding!
- */
- erts_smp_thr_progress_block();
-
- /* during break we revert to initial settings */
- /* this is done differently for oldshell */
- if (using_oldshell && !replace_intr) {
- SET_BLOCKING(1);
- }
- else if (isatty(0)) {
- tcgetattr(0,&temp_mode);
- tcsetattr(0,TCSANOW,&initial_tty_mode);
- saved = 1;
- }
-
- /* call the break handling function, reset the flag */
- do_break();
-
- fflush(stdout);
-
- /* after break we go back to saved settings */
- if (using_oldshell && !replace_intr) {
- SET_NONBLOCKING(1);
- }
- else if (saved) {
- tcsetattr(0,TCSANOW,&temp_mode);
- }
-
- erts_smp_thr_progress_unblock();
-}
-
-static pid_t
-getpid(void)
-{
- return get_bid(current_process());
-}
-
-int getpagesize(void)
-{
- return 1024;
-}
-
-
-/* Fills in the systems representation of the jam/beam process identifier.
-** The Pid is put in STRING representation in the supplied buffer,
-** no interpretatione of this should be done by the rest of the
-** emulator. The buffer should be at least 21 bytes long.
-*/
-void sys_get_pid(char *buffer, size_t buffer_size){
- pid_t p = getpid();
- /* Assume the pid is scalar and can rest in an unsigned long... */
- erts_snprintf(buffer, buffer_size, "%lu",(unsigned long) p);
-}
-
-int
-erts_sys_putenv_raw(char *key, char *value) {
- return erts_sys_putenv(key, value);
-}
-int
-erts_sys_putenv(char *key, char *value)
-{
- int res;
-
- erts_smp_rwmtx_rwlock(&environ_rwmtx);
- res = set_env(get_bid(current_process()), key,
- value);
- erts_smp_rwmtx_rwunlock(&environ_rwmtx);
- return res;
-}
-
-
-int
-erts_sys_unsetenv(char *key)
-{
- int res;
-
- erts_smp_rwmtx_rwlock(&environ_rwmtx);
- res = set_env(get_bid(current_process()),key,NULL);
- erts_smp_rwmtx_rwunlock(&environ_rwmtx);
-
- return res;
-}
-
-int
-erts_sys_getenv__(char *key, char *value, size_t *size)
-{
- int res;
- char *orig_value = get_env(get_bid(current_process()), key);
- if (!orig_value)
- res = -1;
- else {
- size_t len = sys_strlen(orig_value);
- if (len >= *size) {
- *size = len + 1;
- res = 1;
- }
- else {
- *size = len;
- sys_memcpy((void *) value, (void *) orig_value, len+1);
- res = 0;
- }
- free_buf((union SIGNAL **)&orig_value);
- }
- return res;
-}
-
-int
-erts_sys_getenv_raw(char *key, char *value, size_t *size) {
- return erts_sys_getenv(key, value, size);
-}
-
-/*
- * erts_sys_getenv
- * returns:
- * -1, if environment key is not set with a value
- * 0, if environment key is set and value fits into buffer res
- * 1, if environment key is set but does not fit into buffer res
- * res is set with the needed buffer res value
- */
-
-int
-erts_sys_getenv(char *key, char *value, size_t *size)
-{
- int res;
- erts_smp_rwmtx_rlock(&environ_rwmtx);
- res = erts_sys_getenv__(key, value, size);
- erts_smp_rwmtx_runlock(&environ_rwmtx);
- return res;
-}
-
-void
-sys_init_io(void)
-{
- fd_data = (struct fd_data *)
- erts_alloc(ERTS_ALC_T_FD_TAB, max_files * sizeof(struct fd_data));
- erts_smp_atomic_add_nob(&sys_misc_mem_sz,
- max_files * sizeof(struct fd_data));
-}
-
-extern const char pre_loaded_code[];
-extern Preload pre_loaded[];
-
-void erts_sys_alloc_init(void)
-{
-}
-
-void *erts_sys_alloc(ErtsAlcType_t t, void *x, Uint sz)
-{
- void *res = malloc((size_t) sz);
-#if HAVE_ERTS_MSEG
- if (!res) {
- erts_mseg_clear_cache();
- return malloc((size_t) sz);
- }
-#endif
- return res;
-}
-
-void *erts_sys_realloc(ErtsAlcType_t t, void *x, void *p, Uint sz)
-{
- void *res = realloc(p, (size_t) sz);
-#if HAVE_ERTS_MSEG
- if (!res) {
- erts_mseg_clear_cache();
- return realloc(p, (size_t) sz);
- }
-#endif
- return res;
-}
-
-void erts_sys_free(ErtsAlcType_t t, void *x, void *p)
-{
- free(p);
-}
-
-/* Return a pointer to a vector of names of preloaded modules */
-
-Preload*
-sys_preloaded(void)
-{
- return pre_loaded;
-}
-
-/* Return a pointer to preloaded code for module "module" */
-unsigned char*
-sys_preload_begin(Preload* p)
-{
- return p->code;
-}
-
-/* Clean up if allocated */
-void sys_preload_end(Preload* p)
-{
- /* Nothing */
-}
-
-/* Read a key from console (?) */
-
-int sys_get_key(fd)
-int fd;
-{
- int c;
- unsigned char rbuf[64];
-
- fflush(stdout); /* Flush query ??? */
-
- if ((c = read(fd,rbuf,64)) <= 0) {
- return c;
- }
-
- return rbuf[0];
-}
-
-
-#ifdef DEBUG
-
-extern int erts_initialized;
-void
-erl_assert_error(const char* expr, const char* func,
- const char* file, int line)
-{
- fflush(stdout);
- fprintf(stderr, "%s:%d:%s() Assertion failed: %s\n",
- file, line, func, expr);
- fflush(stderr);
- ramlog_printf("%s:%d:%s() Assertion failed: %s\n",
- file, line, func, expr);
-
- abort();
-}
-
-void
-erl_debug(char* fmt, ...)
-{
- char sbuf[1024]; /* Temporary buffer. */
- va_list va;
-
- if (debug_log) {
- va_start(va, fmt);
- vsprintf(sbuf, fmt, va);
- va_end(va);
- fprintf(stderr, "%s", sbuf);
- }
-}
-
-#endif /* DEBUG */
-
-static ERTS_INLINE void
-report_exit_status(ErtsSysReportExit *rep, int status)
-{
- if (rep->ifd >= 0) {
- driver_data[rep->ifd].alive = 0;
- driver_data[rep->ifd].status = status;
- }
- if (rep->ofd >= 0) {
- driver_data[rep->ofd].alive = 0;
- driver_data[rep->ofd].status = status;
- }
-
- erts_free(ERTS_ALC_T_PRT_REP_EXIT, rep);
-}
-
-#define ERTS_REPORT_EXIT_STATUS report_exit_status
-
-/*
- * Called from schedule() when it runs out of runnable processes,
- * or when Erlang code has performed INPUT_REDUCTIONS reduction
- * steps. runnable == 0 iff there are no runnable Erlang processes.
- */
-void
-erl_sys_schedule(int runnable)
-{
- ASSERT(get_fsem(current_process()) == 0);
-#ifdef ERTS_SMP
- ASSERT(erts_get_scheduler_data()->no == 1);
- ERTS_CHK_IO(!runnable);
-#else
- ERTS_CHK_IO( 1 );
-#endif
- ASSERT(get_fsem(current_process()) == 0);
- ERTS_SMP_LC_ASSERT(!erts_thr_progress_is_blocking());
-}
-
-
-#ifdef ERTS_SMP
-
-void
-erts_sys_main_thread(void)
-{
- erts_thread_disable_fpe();
-
- /* Become signal receiver thread... */
-#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_set_thread_name("signal_receiver");
-#endif
-
- while (1) {
- static const SIGSELECT sigsel[] = {0};
- union SIGNAL *msg = receive(sigsel);
-
- fprintf(stderr,"Main thread got message %d from 0x%x!!\r\n",
- msg->sig_no, sender(&msg));
- free_buf(&msg);
- }
-}
-
-#endif /* ERTS_SMP */
-
-void
-erl_sys_args(int* argc, char** argv)
-{
- int i, j;
-
- erts_smp_rwmtx_init(&environ_rwmtx, "environ");
-
- init_check_io();
-
- /* Handled arguments have been marked with NULL. Slide arguments
- not handled towards the beginning of argv. */
- for (i = 0, j = 0; i < *argc; i++) {
- if (argv[i])
- argv[j++] = argv[i];
- }
- *argc = j;
-
-}
diff --git a/erts/emulator/sys/ose/sys_float.c b/erts/emulator/sys/ose/sys_float.c
deleted file mode 100644
index 3d9abc6bd1..0000000000
--- a/erts/emulator/sys/ose/sys_float.c
+++ /dev/null
@@ -1,845 +0,0 @@
-/*
- * %CopyrightBegin%
- *
- * Copyright Ericsson AB 2001-2013. All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * %CopyrightEnd%
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "sys.h"
-#include "global.h"
-#include "erl_process.h"
-
-
-#ifdef NO_FPE_SIGNALS
-
-void
-erts_sys_init_float(void)
-{
-# ifdef SIGFPE
- sys_sigset(SIGFPE, SIG_IGN); /* Ignore so we can test for NaN and Inf */
-# endif
-}
-
-#else /* !NO_FPE_SIGNALS */
-
-#ifdef ERTS_SMP
-static erts_tsd_key_t fpe_key;
-
-/* once-only initialisation early in the main thread (via erts_sys_init_float()) */
-static void erts_init_fp_exception(void)
-{
- /* XXX: the wrappers prevent using a pthread destructor to
- deallocate the key's value; so when/where do we do that? */
- erts_tsd_key_create(&fpe_key);
-}
-
-void erts_thread_init_fp_exception(void)
-{
- unsigned long *fpe = erts_alloc(ERTS_ALC_T_FP_EXCEPTION, sizeof(*fpe));
- *fpe = 0L;
- erts_tsd_set(fpe_key, fpe);
-}
-
-static ERTS_INLINE volatile unsigned long *erts_thread_get_fp_exception(void)
-{
- return (volatile unsigned long*)erts_tsd_get(fpe_key);
-}
-#else /* !SMP */
-#define erts_init_fp_exception() /*empty*/
-static volatile unsigned long fp_exception;
-#define erts_thread_get_fp_exception() (&fp_exception)
-#endif /* SMP */
-
-volatile unsigned long *erts_get_current_fp_exception(void)
-{
- Process *c_p;
-
- c_p = erts_get_current_process();
- if (c_p)
- return &c_p->fp_exception;
- return erts_thread_get_fp_exception();
-}
-
-static void set_current_fp_exception(unsigned long pc)
-{
- volatile unsigned long *fpexnp = erts_get_current_fp_exception();
- ASSERT(fpexnp != NULL);
- *fpexnp = pc;
-}
-
-void erts_fp_check_init_error(volatile unsigned long *fpexnp)
-{
- char buf[64];
- snprintf(buf, sizeof buf, "ERTS_FP_CHECK_INIT at %p: detected unhandled FPE at %p\r\n",
- __builtin_return_address(0), (void*)*fpexnp);
- if (write(2, buf, strlen(buf)) <= 0)
- erl_exit(ERTS_ABORT_EXIT, "%s", buf);
- *fpexnp = 0;
-#if defined(__i386__) || defined(__x86_64__)
- erts_restore_fpu();
-#endif
-}
-
-/* Is there no standard identifier for Darwin/MacOSX ? */
-#if defined(__APPLE__) && defined(__MACH__) && !defined(__DARWIN__)
-#define __DARWIN__ 1
-#endif
-
-#if (defined(__i386__) || defined(__x86_64__)) && defined(__GNUC__)
-
-static void unmask_x87(void)
-{
- unsigned short cw;
-
- __asm__ __volatile__("fstcw %0" : "=m"(cw));
- cw &= ~(0x01|0x04|0x08); /* unmask IM, ZM, OM */
- __asm__ __volatile__("fldcw %0" : : "m"(cw));
-}
-
-/* mask x87 FPE, return true if the previous state was unmasked */
-static int mask_x87(void)
-{
- unsigned short cw;
- int unmasked;
-
- __asm__ __volatile__("fstcw %0" : "=m"(cw));
- unmasked = (cw & (0x01|0x04|0x08)) == 0;
- /* or just set cw = 0x37f */
- cw |= (0x01|0x04|0x08); /* mask IM, ZM, OM */
- __asm__ __volatile__("fldcw %0" : : "m"(cw));
- return unmasked;
-}
-
-static void unmask_sse2(void)
-{
- unsigned int mxcsr;
-
- __asm__ __volatile__("stmxcsr %0" : "=m"(mxcsr));
- mxcsr &= ~(0x003F|0x0680); /* clear exn flags, unmask OM, ZM, IM (not PM, UM, DM) */
- __asm__ __volatile__("ldmxcsr %0" : : "m"(mxcsr));
-}
-
-/* mask SSE2 FPE, return true if the previous state was unmasked */
-static int mask_sse2(void)
-{
- unsigned int mxcsr;
- int unmasked;
-
- __asm__ __volatile__("stmxcsr %0" : "=m"(mxcsr));
- unmasked = (mxcsr & 0x0680) == 0;
- /* or just set mxcsr = 0x1f80 */
- mxcsr &= ~0x003F; /* clear exn flags */
- mxcsr |= 0x0680; /* mask OM, ZM, IM (not PM, UM, DM) */
- __asm__ __volatile__("ldmxcsr %0" : : "m"(mxcsr));
- return unmasked;
-}
-
-#if defined(__x86_64__)
-
-static inline int cpu_has_sse2(void) { return 1; }
-
-#else /* !__x86_64__ */
-
-/*
- * Check if an x86-32 processor has SSE2.
- */
-static unsigned int xor_eflags(unsigned int mask)
-{
- unsigned int eax, edx;
-
- eax = mask; /* eax = mask */
- __asm__("pushfl\n\t"
- "popl %0\n\t" /* edx = original EFLAGS */
- "xorl %0, %1\n\t" /* eax = mask ^ EFLAGS */
- "pushl %1\n\t"
- "popfl\n\t" /* new EFLAGS = mask ^ original EFLAGS */
- "pushfl\n\t"
- "popl %1\n\t" /* eax = new EFLAGS */
- "xorl %0, %1\n\t" /* eax = new EFLAGS ^ old EFLAGS */
- "pushl %0\n\t"
- "popfl" /* restore original EFLAGS */
- : "=d"(edx), "=a"(eax)
- : "1"(eax));
- return eax;
-}
-
-static __inline__ unsigned int cpuid_eax(unsigned int op)
-{
- unsigned int eax, save_ebx;
-
- /* In PIC mode i386 reserves EBX. So we must save
- and restore it ourselves to not upset gcc. */
- __asm__(
- "movl %%ebx, %1\n\t"
- "cpuid\n\t"
- "movl %1, %%ebx"
- : "=a"(eax), "=m"(save_ebx)
- : "0"(op)
- : "cx", "dx");
- return eax;
-}
-
-static __inline__ unsigned int cpuid_edx(unsigned int op)
-{
- unsigned int eax, edx, save_ebx;
-
- /* In PIC mode i386 reserves EBX. So we must save
- and restore it ourselves to not upset gcc. */
- __asm__(
- "movl %%ebx, %2\n\t"
- "cpuid\n\t"
- "movl %2, %%ebx"
- : "=a"(eax), "=d"(edx), "=m"(save_ebx)
- : "0"(op)
- : "cx");
- return edx;
-}
-
-/* The AC bit, bit #18, is a new bit introduced in the EFLAGS
- * register on the Intel486 processor to generate alignment
- * faults. This bit cannot be set on the Intel386 processor.
- */
-static __inline__ int is_386(void)
-{
- return ((xor_eflags(1<<18) >> 18) & 1) == 0;
-}
-
-/* Newer x86 processors have a CPUID instruction, as indicated by
- * the ID bit (#21) in EFLAGS being modifiable.
- */
-static __inline__ int has_CPUID(void)
-{
- return (xor_eflags(1<<21) >> 21) & 1;
-}
-
-static int cpu_has_sse2(void)
-{
- unsigned int maxlev, features;
- static int has_sse2 = -1;
-
- if (has_sse2 >= 0)
- return has_sse2;
- has_sse2 = 0;
-
- if (is_386())
- return 0;
- if (!has_CPUID())
- return 0;
- maxlev = cpuid_eax(0);
- /* Intel A-step Pentium had a preliminary version of CPUID.
- It also didn't have SSE2. */
- if ((maxlev & 0xFFFFFF00) == 0x0500)
- return 0;
- /* If max level is zero then CPUID cannot report any features. */
- if (maxlev == 0)
- return 0;
- features = cpuid_edx(1);
- has_sse2 = (features & (1 << 26)) != 0;
-
- return has_sse2;
-}
-#endif /* !__x86_64__ */
-
-static void unmask_fpe(void)
-{
- __asm__ __volatile__("fnclex");
- unmask_x87();
- if (cpu_has_sse2())
- unmask_sse2();
-}
-
-static void unmask_fpe_conditional(int unmasked)
-{
- if (unmasked)
- unmask_fpe();
-}
-
-/* mask x86 FPE, return true if the previous state was unmasked */
-static int mask_fpe(void)
-{
- int unmasked;
-
- unmasked = mask_x87();
- if (cpu_has_sse2())
- unmasked |= mask_sse2();
- return unmasked;
-}
-
-void erts_restore_fpu(void)
-{
- __asm__ __volatile__("fninit");
- unmask_x87();
- if (cpu_has_sse2())
- unmask_sse2();
-}
-
-#elif defined(__sparc__) && defined(__linux__)
-
-#if defined(__arch64__)
-#define LDX "ldx"
-#define STX "stx"
-#else
-#define LDX "ld"
-#define STX "st"
-#endif
-
-static void unmask_fpe(void)
-{
- unsigned long fsr;
-
- __asm__(STX " %%fsr, %0" : "=m"(fsr));
- fsr &= ~(0x1FUL << 23); /* clear FSR[TEM] field */
- fsr |= (0x1AUL << 23); /* enable NV, OF, DZ exceptions */
- __asm__ __volatile__(LDX " %0, %%fsr" : : "m"(fsr));
-}
-
-static void unmask_fpe_conditional(int unmasked)
-{
- if (unmasked)
- unmask_fpe();
-}
-
-/* mask SPARC FPE, return true if the previous state was unmasked */
-static int mask_fpe(void)
-{
- unsigned long fsr;
- int unmasked;
-
- __asm__(STX " %%fsr, %0" : "=m"(fsr));
- unmasked = ((fsr >> 23) & 0x1A) == 0x1A;
- fsr &= ~(0x1FUL << 23); /* clear FSR[TEM] field */
- __asm__ __volatile__(LDX " %0, %%fsr" : : "m"(fsr));
- return unmasked;
-}
-
-#elif (defined(__powerpc__) && defined(__linux__)) || (defined(__ppc__) && defined(__DARWIN__))
-
-#if defined(__linux__)
-#include <sys/prctl.h>
-
-static void set_fpexc_precise(void)
-{
- if (prctl(PR_SET_FPEXC, PR_FP_EXC_PRECISE) < 0) {
- perror("PR_SET_FPEXC");
- exit(1);
- }
-}
-
-#elif defined(__DARWIN__)
-
-#include <mach/mach.h>
-#include <pthread.h>
-
-/*
- * FE0 FE1 MSR bits
- * 0 0 floating-point exceptions disabled
- * 0 1 floating-point imprecise nonrecoverable
- * 1 0 floating-point imprecise recoverable
- * 1 1 floating-point precise mode
- *
- * Apparently:
- * - Darwin 5.5 (MacOS X <= 10.1) starts with FE0 == FE1 == 0,
- * and resets FE0 and FE1 to 0 after each SIGFPE.
- * - Darwin 6.0 (MacOS X 10.2) starts with FE0 == FE1 == 1,
- * and does not reset FE0 or FE1 after a SIGFPE.
- */
-#define FE0_MASK (1<<11)
-#define FE1_MASK (1<<8)
-
-/* a thread cannot get or set its own MSR bits */
-static void *fpu_fpe_enable(void *arg)
-{
- thread_t t = *(thread_t*)arg;
- struct ppc_thread_state state;
- unsigned int state_size = PPC_THREAD_STATE_COUNT;
-
- if (thread_get_state(t, PPC_THREAD_STATE, (natural_t*)&state, &state_size) != KERN_SUCCESS) {
- perror("thread_get_state");
- exit(1);
- }
- if ((state.srr1 & (FE1_MASK|FE0_MASK)) != (FE1_MASK|FE0_MASK)) {
-#if 1
- /* This would also have to be performed in the SIGFPE handler
- to work around the MSR reset older Darwin releases do. */
- state.srr1 |= (FE1_MASK|FE0_MASK);
- thread_set_state(t, PPC_THREAD_STATE, (natural_t*)&state, state_size);
-#else
- fprintf(stderr, "srr1 == 0x%08x, your Darwin is too old\n", state.srr1);
- exit(1);
-#endif
- }
- return NULL; /* Ok, we appear to be on Darwin 6.0 or later */
-}
-
-static void set_fpexc_precise(void)
-{
- thread_t self = mach_thread_self();
- pthread_t enabler;
-
- if (pthread_create(&enabler, NULL, fpu_fpe_enable, &self)) {
- perror("pthread_create");
- } else if (pthread_join(enabler, NULL)) {
- perror("pthread_join");
- }
-}
-
-#endif
-
-static void set_fpscr(unsigned int fpscr)
-{
- union {
- double d;
- unsigned int fpscr[2];
- } u;
-
- u.fpscr[0] = 0xFFF80000;
- u.fpscr[1] = fpscr;
- __asm__ __volatile__("mtfsf 255,%0" : : "f"(u.d));
-}
-
-static unsigned int get_fpscr(void)
-{
- union {
- double d;
- unsigned int fpscr[2];
- } u;
-
- __asm__("mffs %0" : "=f"(u.d));
- return u.fpscr[1];
-}
-
-static void unmask_fpe(void)
-{
- set_fpexc_precise();
- set_fpscr(0x80|0x40|0x10); /* VE, OE, ZE; not UE or XE */
-}
-
-static void unmask_fpe_conditional(int unmasked)
-{
- if (unmasked)
- unmask_fpe();
-}
-
-/* mask PowerPC FPE, return true if the previous state was unmasked */
-static int mask_fpe(void)
-{
- int unmasked;
-
- unmasked = (get_fpscr() & (0x80|0x40|0x10)) == (0x80|0x40|0x10);
- set_fpscr(0x00);
- return unmasked;
-}
-
-#else
-
-static void unmask_fpe(void)
-{
- fpsetmask(FP_X_INV | FP_X_OFL | FP_X_DZ);
-}
-
-static void unmask_fpe_conditional(int unmasked)
-{
- if (unmasked)
- unmask_fpe();
-}
-
-/* mask IEEE FPE, return true if previous state was unmasked */
-static int mask_fpe(void)
-{
- const fp_except unmasked_mask = FP_X_INV | FP_X_OFL | FP_X_DZ;
- fp_except old_mask;
-
- old_mask = fpsetmask(0);
- return (old_mask & unmasked_mask) == unmasked_mask;
-}
-
-#endif
-
-#if (defined(__linux__) && (defined(__i386__) || defined(__x86_64__) || defined(__sparc__) || defined(__powerpc__))) || (defined(__DARWIN__) && (defined(__i386__) || defined(__x86_64__) || defined(__ppc__))) || (defined(__FreeBSD__) && (defined(__x86_64__) || defined(__i386__))) || ((defined(__NetBSD__) || defined(__OpenBSD__)) && defined(__x86_64__)) || (defined(__sun__) && defined(__x86_64__))
-
-#if defined(__linux__) && defined(__i386__)
-#if !defined(X86_FXSR_MAGIC)
-#define X86_FXSR_MAGIC 0x0000
-#endif
-#elif defined(__FreeBSD__) && defined(__x86_64__)
-#include <sys/types.h>
-#include <machine/fpu.h>
-#elif defined(__FreeBSD__) && defined(__i386__)
-#include <sys/types.h>
-#include <machine/npx.h>
-#elif defined(__DARWIN__)
-#include <machine/signal.h>
-#elif defined(__OpenBSD__) && defined(__x86_64__)
-#include <sys/types.h>
-#include <machine/fpu.h>
-#endif
-#if !(defined(__OpenBSD__) && defined(__x86_64__))
-#include <ucontext.h>
-#endif
-#include <string.h>
-
-#if defined(__linux__) && defined(__x86_64__)
-#define mc_pc(mc) ((mc)->gregs[REG_RIP])
-#elif defined(__linux__) && defined(__i386__)
-#define mc_pc(mc) ((mc)->gregs[REG_EIP])
-#elif defined(__DARWIN__) && defined(__i386__)
-#ifdef DARWIN_MODERN_MCONTEXT
-#define mc_pc(mc) ((mc)->__ss.__eip)
-#else
-#define mc_pc(mc) ((mc)->ss.eip)
-#endif
-#elif defined(__DARWIN__) && defined(__x86_64__)
-#ifdef DARWIN_MODERN_MCONTEXT
-#define mc_pc(mc) ((mc)->__ss.__rip)
-#else
-#define mc_pc(mc) ((mc)->ss.rip)
-#endif
-#elif defined(__FreeBSD__) && defined(__x86_64__)
-#define mc_pc(mc) ((mc)->mc_rip)
-#elif defined(__FreeBSD__) && defined(__i386__)
-#define mc_pc(mc) ((mc)->mc_eip)
-#elif defined(__NetBSD__) && defined(__x86_64__)
-#define mc_pc(mc) ((mc)->__gregs[_REG_RIP])
-#elif defined(__NetBSD__) && defined(__i386__)
-#define mc_pc(mc) ((mc)->__gregs[_REG_EIP])
-#elif defined(__OpenBSD__) && defined(__x86_64__)
-#define mc_pc(mc) ((mc)->sc_rip)
-#elif defined(__sun__) && defined(__x86_64__)
-#define mc_pc(mc) ((mc)->gregs[REG_RIP])
-#endif
-
-static void fpe_sig_action(int sig, siginfo_t *si, void *puc)
-{
- ucontext_t *uc = puc;
- unsigned long pc;
-
-#if defined(__linux__)
-#if defined(__x86_64__)
- mcontext_t *mc = &uc->uc_mcontext;
- fpregset_t fpstate = mc->fpregs;
- pc = mc_pc(mc);
- /* A failed SSE2 instruction will restart. To avoid
- looping we mask SSE2 exceptions now and unmask them
- again later in erts_check_fpe()/erts_restore_fpu().
- On RISCs we update PC to skip the failed instruction,
- but the ever increasing complexity of the x86 instruction
- set encoding makes that a poor solution here. */
- fpstate->mxcsr = 0x1F80;
- fpstate->swd &= ~0xFF;
-#elif defined(__i386__)
- mcontext_t *mc = &uc->uc_mcontext;
- fpregset_t fpstate = mc->fpregs;
- pc = mc_pc(mc);
- if ((fpstate->status >> 16) == X86_FXSR_MAGIC)
- ((struct _fpstate*)fpstate)->mxcsr = 0x1F80;
- fpstate->sw &= ~0xFF;
-#elif defined(__sparc__) && defined(__arch64__)
- /* on SPARC the 3rd parameter points to a sigcontext not a ucontext */
- struct sigcontext *sc = (struct sigcontext*)puc;
- pc = sc->sigc_regs.tpc;
- sc->sigc_regs.tpc = sc->sigc_regs.tnpc;
- sc->sigc_regs.tnpc += 4;
-#elif defined(__sparc__)
- /* on SPARC the 3rd parameter points to a sigcontext not a ucontext */
- struct sigcontext *sc = (struct sigcontext*)puc;
- pc = sc->si_regs.pc;
- sc->si_regs.pc = sc->si_regs.npc;
- sc->si_regs.npc = (unsigned long)sc->si_regs.npc + 4;
-#elif defined(__powerpc__)
-#if defined(__powerpc64__)
- mcontext_t *mc = &uc->uc_mcontext;
- unsigned long *regs = &mc->gp_regs[0];
-#else
- mcontext_t *mc = uc->uc_mcontext.uc_regs;
- unsigned long *regs = &mc->gregs[0];
-#endif
- pc = regs[PT_NIP];
- regs[PT_NIP] += 4;
- regs[PT_FPSCR] = 0x80|0x40|0x10; /* VE, OE, ZE; not UE or XE */
-#endif
-#elif defined(__DARWIN__) && (defined(__i386__) || defined(__x86_64__))
-#ifdef DARWIN_MODERN_MCONTEXT
- mcontext_t mc = uc->uc_mcontext;
- pc = mc_pc(mc);
- mc->__fs.__fpu_mxcsr = 0x1F80;
- *(unsigned short *)&mc->__fs.__fpu_fsw &= ~0xFF;
-#else
- mcontext_t mc = uc->uc_mcontext;
- pc = mc_pc(mc);
- mc->fs.fpu_mxcsr = 0x1F80;
- *(unsigned short *)&mc->fs.fpu_fsw &= ~0xFF;
-#endif /* DARWIN_MODERN_MCONTEXT */
-#elif defined(__DARWIN__) && defined(__ppc__)
- mcontext_t mc = uc->uc_mcontext;
- pc = mc->ss.srr0;
- mc->ss.srr0 += 4;
- mc->fs.fpscr = 0x80|0x40|0x10;
-#elif defined(__FreeBSD__) && defined(__x86_64__)
- mcontext_t *mc = &uc->uc_mcontext;
- struct savefpu *savefpu = (struct savefpu*)&mc->mc_fpstate;
- struct envxmm *envxmm = &savefpu->sv_env;
- pc = mc_pc(mc);
- envxmm->en_mxcsr = 0x1F80;
- envxmm->en_sw &= ~0xFF;
-#elif defined(__FreeBSD__) && defined(__i386__)
- mcontext_t *mc = &uc->uc_mcontext;
- union savefpu *savefpu = (union savefpu*)&mc->mc_fpstate;
- pc = mc_pc(mc);
- if (mc->mc_fpformat == _MC_FPFMT_XMM) {
- struct envxmm *envxmm = &savefpu->sv_xmm.sv_env;
- envxmm->en_mxcsr = 0x1F80;
- envxmm->en_sw &= ~0xFF;
- } else {
- struct env87 *env87 = &savefpu->sv_87.sv_env;
- env87->en_sw &= ~0xFF;
- }
-#elif defined(__NetBSD__) && defined(__x86_64__)
- mcontext_t *mc = &uc->uc_mcontext;
- struct fxsave64 *fxsave = (struct fxsave64 *)&mc->__fpregs;
- pc = mc_pc(mc);
- fxsave->fx_mxcsr = 0x1F80;
- fxsave->fx_fsw &= ~0xFF;
-#elif defined(__NetBSD__) && defined(__i386__)
- mcontext_t *mc = &uc->uc_mcontext;
- pc = mc_pc(mc);
- if (uc->uc_flags & _UC_FXSAVE) {
- struct envxmm *envxmm = (struct envxmm *)&mc->__fpregs;
- envxmm->en_mxcsr = 0x1F80;
- envxmm->en_sw &= ~0xFF;
- } else {
- struct env87 *env87 = (struct env87 *)&mc->__fpregs;
- env87->en_sw &= ~0xFF;
- }
-#elif defined(__OpenBSD__) && defined(__x86_64__)
- struct fxsave64 *fxsave = uc->sc_fpstate;
- pc = mc_pc(uc);
- fxsave->fx_mxcsr = 0x1F80;
- fxsave->fx_fsw &= ~0xFF;
-#elif defined(__sun__) && defined(__x86_64__)
- mcontext_t *mc = &uc->uc_mcontext;
- struct fpchip_state *fpstate = &mc->fpregs.fp_reg_set.fpchip_state;
- pc = mc_pc(mc);
- fpstate->mxcsr = 0x1F80;
- fpstate->sw &= ~0xFF;
-#endif
-#if 0
- {
- char buf[64];
- snprintf(buf, sizeof buf, "%s: FPE at %p\r\n", __FUNCTION__, (void*)pc);
- write(2, buf, strlen(buf));
- }
-#endif
- set_current_fp_exception(pc);
-}
-
-static void erts_thread_catch_fp_exceptions(void)
-{
- struct sigaction act;
- memset(&act, 0, sizeof act);
- act.sa_sigaction = fpe_sig_action;
- act.sa_flags = SA_SIGINFO;
- sigaction(SIGFPE, &act, NULL);
- unmask_fpe();
-}
-
-#else /* !((__linux__ && (__i386__ || __x86_64__ || __powerpc__)) || (__DARWIN__ && (__i386__ || __x86_64__ || __ppc__))) */
-
-static void fpe_sig_handler(int sig)
-{
- set_current_fp_exception(1); /* XXX: convert to sigaction so we can get the trap PC */
-}
-
-static void erts_thread_catch_fp_exceptions(void)
-{
- sys_sigset(SIGFPE, fpe_sig_handler);
- unmask_fpe();
-}
-
-#endif /* (__linux__ && (__i386__ || __x86_64__ || __powerpc__)) || (__DARWIN__ && (__i386__ || __x86_64__ || __ppc__))) */
-
-/* once-only initialisation early in the main thread */
-void erts_sys_init_float(void)
-{
- erts_init_fp_exception();
- erts_thread_catch_fp_exceptions();
- erts_printf_block_fpe = erts_sys_block_fpe;
- erts_printf_unblock_fpe = erts_sys_unblock_fpe;
-}
-
-#endif /* NO_FPE_SIGNALS */
-
-void erts_thread_init_float(void)
-{
-#ifdef ERTS_SMP
- /* This allows Erlang schedulers to leave Erlang-process context
- and still have working FP exceptions. XXX: is this needed? */
- erts_thread_init_fp_exception();
-#endif
-
-#ifndef NO_FPE_SIGNALS
- /* NOTE:
- * erts_thread_disable_fpe() is called in all threads at
- * creation. We at least need to call unmask_fpe()
- */
-#if defined(__DARWIN__) || defined(__FreeBSD__)
- /* Darwin (7.9.0) does not appear to propagate FP exception settings
- to a new thread from its parent. So if we want FP exceptions, we
- must manually re-enable them in each new thread.
- FreeBSD 6.1 appears to suffer from a similar issue. */
- erts_thread_catch_fp_exceptions();
-#else
- unmask_fpe();
-#endif
-
-#endif
-}
-
-void erts_thread_disable_fpe(void)
-{
-#if !defined(NO_FPE_SIGNALS)
- (void)mask_fpe();
-#endif
-}
-
-#if !defined(NO_FPE_SIGNALS)
-int erts_sys_block_fpe(void)
-{
- return mask_fpe();
-}
-
-void erts_sys_unblock_fpe(int unmasked)
-{
- unmask_fpe_conditional(unmasked);
-}
-#endif
-
-/* The following check is incorporated from the Vee machine */
-
-#define ISDIGIT(d) ((d) >= '0' && (d) <= '9')
-
-/*
- ** Convert a double to ascii format 0.dddde[+|-]ddd
- ** return number of characters converted or -1 if error.
- **
- ** These two functions should maybe use localeconv() to pick up
- ** the current radix character, but since it is uncertain how
- ** expensive such a system call is, and since no-one has heard
- ** of other radix characters than '.' and ',' an ad-hoc
- ** low execution time solution is used instead.
- */
-
-int
-sys_double_to_chars_ext(double fp, char *buffer, size_t buffer_size, size_t decimals)
-{
- char *s = buffer;
-
- if (erts_snprintf(buffer, buffer_size, "%.*e", decimals, fp) >= buffer_size)
- return -1;
- /* Search upto decimal point */
- if (*s == '+' || *s == '-') s++;
- while (ISDIGIT(*s)) s++;
- if (*s == ',') *s++ = '.'; /* Replace ',' with '.' */
- /* Scan to end of string */
- while (*s) s++;
- return s-buffer; /* i.e strlen(buffer) */
-}
-
-/* Float conversion */
-
-int
-sys_chars_to_double(char* buf, double* fp)
-{
-#ifndef NO_FPE_SIGNALS
- volatile unsigned long *fpexnp = erts_get_current_fp_exception();
-#endif
- char *s = buf, *t, *dp;
-
- /* Robert says that something like this is what he really wanted:
- * (The [.,] radix test is NOT what Robert wanted - it was added later)
- *
- * 7 == sscanf(Tbuf, "%[+-]%[0-9][.,]%[0-9]%[eE]%[+-]%[0-9]%s", ....);
- * if (*s2 == 0 || *s3 == 0 || *s4 == 0 || *s6 == 0 || *s7)
- * break;
- */
-
- /* Scan string to check syntax. */
- if (*s == '+' || *s == '-') s++;
- if (!ISDIGIT(*s)) /* Leading digits. */
- return -1;
- while (ISDIGIT(*s)) s++;
- if (*s != '.' && *s != ',') /* Decimal part. */
- return -1;
- dp = s++; /* Remember decimal point pos just in case */
- if (!ISDIGIT(*s))
- return -1;
- while (ISDIGIT(*s)) s++;
- if (*s == 'e' || *s == 'E') {
- /* There is an exponent. */
- s++;
- if (*s == '+' || *s == '-') s++;
- if (!ISDIGIT(*s))
- return -1;
- while (ISDIGIT(*s)) s++;
- }
- if (*s) /* That should be it */
- return -1;
-
-#ifdef NO_FPE_SIGNALS
- errno = 0;
-#endif
- __ERTS_FP_CHECK_INIT(fpexnp);
- *fp = strtod(buf, &t);
- __ERTS_FP_ERROR_THOROUGH(fpexnp, *fp, return -1);
- if (t != s) { /* Whole string not scanned */
- /* Try again with other radix char */
- *dp = (*dp == '.') ? ',' : '.';
- errno = 0;
- __ERTS_FP_CHECK_INIT(fpexnp);
- *fp = strtod(buf, &t);
- __ERTS_FP_ERROR_THOROUGH(fpexnp, *fp, return -1);
- }
-
-#ifdef NO_FPE_SIGNALS
- if (errno == ERANGE) {
- if (*fp == HUGE_VAL || *fp == -HUGE_VAL) {
- /* overflow, should give error */
- return -1;
- } else if (t == s && *fp == 0.0) {
- /* This should give 0.0 - OTP-7178 */
- errno = 0;
-
- } else if (*fp == 0.0) {
- return -1;
- }
- }
-#endif
- return 0;
-}
-
-int
-matherr(struct exception *exc)
-{
-#if !defined(NO_FPE_SIGNALS)
- volatile unsigned long *fpexnp = erts_get_current_fp_exception();
- if (fpexnp != NULL)
- *fpexnp = (unsigned long)__builtin_return_address(0);
-#endif
- return 1;
-}
diff --git a/erts/emulator/sys/ose/sys_time.c b/erts/emulator/sys/ose/sys_time.c
deleted file mode 100644
index 5dac75956a..0000000000
--- a/erts/emulator/sys/ose/sys_time.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * %CopyrightBegin%
- *
- * Copyright Ericsson AB 2005-2009. All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * %CopyrightEnd%
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "sys.h"
-#include "global.h"
-
-/******************* Routines for time measurement *********************/
-
-int erts_ticks_per_sec = 0; /* Will be SYS_CLK_TCK in erl_unix_sys.h */
-
-int sys_init_time(void)
-{
- return SYS_CLOCK_RESOLUTION;
-}
-
-clock_t sys_times(SysTimes *now) {
- now->tms_utime = now->tms_stime = now->tms_cutime = now->tms_cstime = 0;
- return 0;
-}
-
-static OSTICK last_tick_count = 0;
-static SysHrTime wrap = 0;
-static OSTICK us_per_tick;
-
-void sys_init_hrtime() {
- us_per_tick = system_tick();
-}
-
-SysHrTime sys_gethrtime() {
- OSTICK ticks = get_ticks();
- if (ticks < (SysHrTime) last_tick_count) {
- wrap += 1ULL << 32;
- }
- last_tick_count = ticks;
- return ((((SysHrTime) ticks) + wrap) * 1000*us_per_tick);
-}