diff options
Diffstat (limited to 'erts/emulator/beam/global.h')
| -rw-r--r--[-rwxr-xr-x] | erts/emulator/beam/global.h | 120 |
1 files changed, 102 insertions, 18 deletions
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index 8fcb95d0e2..5330f389e0 100755..100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -41,6 +41,7 @@ #include "error.h" #include "erl_utils.h" #include "erl_port.h" +#include "erl_gc.h" struct enif_environment_t /* ErlNifEnv */ { @@ -160,6 +161,7 @@ struct erts_driver_t_ { void (*ready_async)(ErlDrvData drv_data, ErlDrvThreadData thread_data); /* Might be NULL */ void (*process_exit)(ErlDrvData drv_data, ErlDrvMonitor *monitor); void (*stop_select)(ErlDrvEvent event, void*); /* Might be NULL */ + void (*emergency_close)(ErlDrvData drv_data); /* Might be NULL */ }; extern erts_driver_t *driver_list; @@ -435,6 +437,8 @@ do {\ }\ } while(0) +#define CLEAR_SAVED_ESTACK(estack) ((void) ((estack)->start = NULL)) + /* * Use on empty stack, only the allocator can be changed before this. * The src stack is reset to NULL. @@ -477,6 +481,17 @@ do { \ *s.sp++ = (z); \ } while(0) +#define ESTACK_PUSH4(s, E1, E2, E3, E4) \ +do { \ + if (s.sp > s.end - 4) { \ + erl_grow_estack(&s, ESTK_DEF_STACK(s)); \ + } \ + *s.sp++ = (E1); \ + *s.sp++ = (E2); \ + *s.sp++ = (E3); \ + *s.sp++ = (E4); \ +} while(0) + #define ESTACK_COUNT(s) (s.sp - s.start) #define ESTACK_ISEMPTY(s) (s.sp == s.start) #define ESTACK_POP(s) (*(--s.sp)) @@ -551,6 +566,8 @@ do {\ }\ } while(0) +#define CLEAR_SAVED_WSTACK(wstack) ((void) ((wstack)->wstart = NULL)) + /* * Use on empty stack, only the allocator can be changed before this. * The src stack is reset to NULL. @@ -593,6 +610,42 @@ do { \ *s.wsp++ = (z); \ } while(0) +#define WSTACK_PUSH4(s, A1, A2, A3, A4) \ +do { \ + if (s.wsp > s.wend - 4) { \ + erl_grow_wstack(&s, WSTK_DEF_STACK(s)); \ + } \ + *s.wsp++ = (A1); \ + *s.wsp++ = (A2); \ + *s.wsp++ = (A3); \ + *s.wsp++ = (A4); \ +} while(0) + +#define WSTACK_PUSH5(s, A1, A2, A3, A4, A5) \ +do { \ + if (s.wsp > s.wend - 5) { \ + erl_grow_wstack(&s, WSTK_DEF_STACK(s)); \ + } \ + *s.wsp++ = (A1); \ + *s.wsp++ = (A2); \ + *s.wsp++ = (A3); \ + *s.wsp++ = (A4); \ + *s.wsp++ = (A5); \ +} while(0) + +#define WSTACK_PUSH6(s, A1, A2, A3, A4, A5, A6) \ +do { \ + if (s.wsp > s.wend - 6) { \ + erl_grow_wstack(&s, WSTK_DEF_STACK(s)); \ + } \ + *s.wsp++ = (A1); \ + *s.wsp++ = (A2); \ + *s.wsp++ = (A3); \ + *s.wsp++ = (A4); \ + *s.wsp++ = (A5); \ + *s.wsp++ = (A6); \ +} while(0) + #define WSTACK_COUNT(s) (s.wsp - s.wstart) #define WSTACK_ISEMPTY(s) (s.wsp == s.wstart) #define WSTACK_POP(s) (*(--s.wsp)) @@ -805,23 +858,6 @@ void MD5Init(MD5_CTX *); void MD5Update(MD5_CTX *, unsigned char *, unsigned int); void MD5Final(unsigned char [16], MD5_CTX *); -/* ggc.c */ - -void erts_gc_info(ErtsGCInfo *gcip); -void erts_init_gc(void); -int erts_garbage_collect(Process*, int, Eterm*, int); -void erts_garbage_collect_hibernate(Process* p); -Eterm erts_gc_after_bif_call(Process* p, Eterm result, Eterm* regs, Uint arity); -void erts_garbage_collect_literals(Process* p, Eterm* literals, - Uint lit_size, - struct erl_off_heap_header* oh); -Uint erts_next_heap_size(Uint, Uint); -Eterm erts_heap_sizes(Process* p); - -void erts_offset_off_heap(ErlOffHeap *, Sint, Eterm*, Eterm*); -void erts_offset_heap_ptr(Eterm*, Uint, Sint, Eterm*, Eterm*); -void erts_offset_heap(Eterm*, Uint, Sint, Eterm*, Eterm*); -void erts_free_heap_frags(Process* p); /* io.c */ @@ -848,6 +884,7 @@ Uint erts_port_ioq_size(Port *pp); void erts_stale_drv_select(Eterm, ErlDrvPort, ErlDrvEvent, int, int); Port *erts_get_heart_port(void); +void erts_emergency_close_ports(void); #if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_COUNT) void erts_lcnt_enable_io_lock_count(int enable); @@ -951,20 +988,67 @@ struct Sint_buf { }; char* Sint_to_buf(Sint, struct Sint_buf*); +#define ERTS_IOLIST_STATE_INITER(C_P, OBJ) \ + {(C_P), 0, 0, (OBJ), {NULL, NULL, NULL, ERTS_ALC_T_INVALID}, 0, 0} + +#define ERTS_IOLIST_STATE_MOVE(TO, FROM) \ + sys_memcpy((void *) (TO), (void *) (FROM), sizeof(ErtsIOListState)) + +#define ERTS_IOLIST_SIZE_YIELDS_COUNT_PER_RED 8 + +typedef struct { + Process *c_p; + ErlDrvSizeT size; + Uint offs; + Eterm obj; + ErtsEStack estack; + int reds_left; + int have_size; +} ErtsIOListState; + +#define ERTS_IOLIST2BUF_STATE_INITER(C_P, OBJ) \ + {ERTS_IOLIST_STATE_INITER((C_P), (OBJ)), {NULL, 0, 0, 0}, NULL, 0, NULL, 0} + +#define ERTS_IOLIST2BUF_STATE_MOVE(TO, FROM) \ + sys_memcpy((void *) (TO), (void *) (FROM), sizeof(ErtsIOList2BufState)) + +#define ERTS_IOLIST_TO_BUF_BYTES_PER_YIELD_COUNT 32 +#define ERTS_IOLIST_TO_BUF_YIELD_COUNT_PER_RED 8 +#define ERTS_IOLIST_TO_BUF_BYTES_PER_RED \ + (ERTS_IOLIST_TO_BUF_YIELD_COUNT_PER_RED*ERTS_IOLIST_TO_BUF_BYTES_PER_YIELD_COUNT) + +typedef struct { + ErtsIOListState iolist; + struct { + byte *bptr; + size_t size; + Uint bitoffs; + Uint bitsize; + } bcopy; + char *buf; + ErlDrvSizeT len; + Eterm *objp; + int offset; +} ErtsIOList2BufState; + #define ERTS_IOLIST_OK 0 #define ERTS_IOLIST_OVERFLOW 1 #define ERTS_IOLIST_TYPE 2 +#define ERTS_IOLIST_YIELD 3 Eterm buf_to_intlist(Eterm**, const char*, size_t, Eterm); /* most callers pass plain char*'s */ #define ERTS_IOLIST_TO_BUF_OVERFLOW (~((ErlDrvSizeT) 0)) #define ERTS_IOLIST_TO_BUF_TYPE_ERROR (~((ErlDrvSizeT) 1)) +#define ERTS_IOLIST_TO_BUF_YIELD (~((ErlDrvSizeT) 2)) #define ERTS_IOLIST_TO_BUF_FAILED(R) \ - (((R) & (~((ErlDrvSizeT) 1))) == (~((ErlDrvSizeT) 1))) + (((R) & (~((ErlDrvSizeT) 3))) == (~((ErlDrvSizeT) 3))) #define ERTS_IOLIST_TO_BUF_SUCCEEDED(R) \ (!ERTS_IOLIST_TO_BUF_FAILED((R))) ErlDrvSizeT erts_iolist_to_buf(Eterm, char*, ErlDrvSizeT); +ErlDrvSizeT erts_iolist_to_buf_yielding(ErtsIOList2BufState *); +int erts_iolist_size_yielding(ErtsIOListState *state); int erts_iolist_size(Eterm, ErlDrvSizeT *); int is_string(Eterm); void erl_at_exit(void (*) (void*), void*); |