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authorRickard Green <[email protected]>2016-03-24 16:20:51 +0100
committerRickard Green <[email protected]>2016-03-24 17:33:15 +0100
commitab884c3fdda00479d636de82d68ffbd8628c5c20 (patch)
tree168f9c7ed67c21e537f31dbc0510c6cf88b872b2 /erts/emulator
parent9615753e42d55b3bad042791a1b36b0ef7f0090a (diff)
downloadotp-ab884c3fdda00479d636de82d68ffbd8628c5c20.tar.gz
otp-ab884c3fdda00479d636de82d68ffbd8628c5c20.tar.bz2
otp-ab884c3fdda00479d636de82d68ffbd8628c5c20.zip
Improve process/port specific data management
Diffstat (limited to 'erts/emulator')
-rw-r--r--erts/emulator/beam/beam_bp.c6
-rw-r--r--erts/emulator/beam/bif.c6
-rw-r--r--erts/emulator/beam/erl_nif.c2
-rw-r--r--erts/emulator/beam/erl_port.h47
-rw-r--r--erts/emulator/beam/erl_process.c132
-rw-r--r--erts/emulator/beam/erl_process.h83
-rw-r--r--erts/emulator/beam/erl_process_dump.c2
-rw-r--r--erts/emulator/beam/io.c8
8 files changed, 146 insertions, 140 deletions
diff --git a/erts/emulator/beam/beam_bp.c b/erts/emulator/beam/beam_bp.c
index 5d471d168b..74c9d3ee53 100644
--- a/erts/emulator/beam/beam_bp.c
+++ b/erts/emulator/beam/beam_bp.c
@@ -974,7 +974,7 @@ erts_trace_time_call(Process* c_p, BeamInstr* I, BpDataTime* bdt)
if (pbt == 0) {
/* First call of process to instrumented function */
pbt = Alloc(sizeof(process_breakpoint_time_t));
- (void) ERTS_PROC_SET_CALL_TIME(c_p, ERTS_PROC_LOCK_MAIN, pbt);
+ (void) ERTS_PROC_SET_CALL_TIME(c_p, pbt);
} else {
ASSERT(pbt->pc);
/* add time to previous code */
@@ -1598,9 +1598,7 @@ bp_time_unref(BpDataTime* bdt)
h_p = erts_pid2proc(NULL, 0, item->pid,
ERTS_PROC_LOCK_MAIN);
if (h_p) {
- pbt = ERTS_PROC_SET_CALL_TIME(h_p,
- ERTS_PROC_LOCK_MAIN,
- NULL);
+ pbt = ERTS_PROC_SET_CALL_TIME(h_p, NULL);
if (pbt) {
Free(pbt);
}
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index 37bb28c6f8..97d690db9f 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -1567,7 +1567,7 @@ static BIF_RETTYPE process_flag_aux(Process *BIF_P,
scb->n = 0;
}
- scb = ERTS_PROC_SET_SAVED_CALLS_BUF(rp, ERTS_PROC_LOCK_MAIN, scb);
+ scb = ERTS_PROC_SET_SAVED_CALLS_BUF(rp, scb);
if (!scb)
old_value = make_small(0);
@@ -1595,9 +1595,7 @@ BIF_RETTYPE process_flag_2(BIF_ALIST_2)
if (is_not_atom(BIF_ARG_2)) {
goto error;
}
- old_value = erts_proc_set_error_handler(BIF_P,
- ERTS_PROC_LOCK_MAIN,
- BIF_ARG_2);
+ old_value = erts_proc_set_error_handler(BIF_P, BIF_ARG_2);
BIF_RET(old_value);
}
else if (BIF_ARG_1 == am_priority) {
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index 8580bc2689..855d5deea1 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -1653,7 +1653,7 @@ allocate_nif_sched_data(Process* proc, int argc)
ep->exp.addressv[i] = &ep->exp.code[3];
}
ep->exp.code[3] = (BeamInstr) em_call_nif;
- (void) ERTS_PROC_SET_NIF_TRAP_EXPORT(proc, ERTS_PROC_LOCK_MAIN, ep);
+ (void) ERTS_PROC_SET_NIF_TRAP_EXPORT(proc, ep);
return ep;
}
diff --git a/erts/emulator/beam/erl_port.h b/erts/emulator/beam/erl_port.h
index fa97707a87..c25e08545e 100644
--- a/erts/emulator/beam/erl_port.h
+++ b/erts/emulator/beam/erl_port.h
@@ -185,7 +185,7 @@ struct _erl_drv_port {
int control_flags; /* Flags for port_control() */
ErlDrvPDL port_data_lock;
- ErtsPrtSD *psd; /* Port specific data */
+ erts_smp_atomic_t psd; /* Port specific data */
int reds; /* Only used while executing driver callbacks */
struct {
@@ -252,22 +252,51 @@ ERTS_GLB_INLINE void *erts_prtsd_set(Port *p, int ix, void *new);
ERTS_GLB_INLINE void *
erts_prtsd_get(Port *prt, int ix)
{
- return prt->psd ? prt->psd->data[ix] : NULL;
+ ErtsPrtSD *psd = (ErtsPrtSD *) erts_smp_atomic_read_nob(&prt->psd);
+ if (!psd)
+ return NULL;
+ ERTS_SMP_DATA_DEPENDENCY_READ_MEMORY_BARRIER;
+ return psd->data[ix];
}
ERTS_GLB_INLINE void *
erts_prtsd_set(Port *prt, int ix, void *data)
{
- if (prt->psd) {
- void *old = prt->psd->data[ix];
- prt->psd->data[ix] = data;
+ ErtsPrtSD *psd, *new_psd;
+ void *old;
+ int i;
+
+ psd = (ErtsPrtSD *) erts_smp_atomic_read_nob(&prt->psd);
+
+ if (psd) {
+#ifdef ERTS_SMP
+#ifdef ETHR_ORDERED_READ_DEPEND
+ ETHR_MEMBAR(ETHR_LoadStore|ETHR_StoreStore);
+#else
+ ETHR_MEMBAR(ETHR_LoadLoad|ETHR_LoadStore|ETHR_StoreStore);
+#endif
+#endif
+ old = psd->data[ix];
+ psd->data[ix] = data;
return old;
}
- else {
- prt->psd = erts_alloc(ERTS_ALC_T_PRTSD, sizeof(ErtsPrtSD));
- prt->psd->data[ix] = data;
+
+ if (!data)
return NULL;
- }
+
+ new_psd = erts_alloc(ERTS_ALC_T_PRTSD, sizeof(ErtsPrtSD));
+ for (i = 0; i < ERTS_PRTSD_SIZE; i++)
+ new_psd->data[i] = NULL;
+ psd = (ErtsPrtSD *) erts_smp_atomic_cmpxchg_mb(&prt->psd,
+ (erts_aint_t) new_psd,
+ (erts_aint_t) NULL);
+ if (psd)
+ erts_free(ERTS_ALC_T_PRTSD, new_psd);
+ else
+ psd = new_psd;
+ old = psd->data[ix];
+ psd->data[ix] = data;
+ return old;
}
#endif
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index d2185c4fbc..758f350fa9 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -687,45 +687,36 @@ erts_pre_init_process(void)
= "DEBUG_WAIT_COMPLETED";
#ifdef ERTS_ENABLE_LOCK_CHECK
- {
- int ix;
- erts_psd_required_locks[ERTS_PSD_ERROR_HANDLER].get_locks
- = ERTS_PSD_ERROR_HANDLER_BUF_GET_LOCKS;
- erts_psd_required_locks[ERTS_PSD_ERROR_HANDLER].set_locks
- = ERTS_PSD_ERROR_HANDLER_BUF_SET_LOCKS;
+ erts_psd_required_locks[ERTS_PSD_ERROR_HANDLER].get_locks
+ = ERTS_PSD_ERROR_HANDLER_BUF_GET_LOCKS;
+ erts_psd_required_locks[ERTS_PSD_ERROR_HANDLER].set_locks
+ = ERTS_PSD_ERROR_HANDLER_BUF_SET_LOCKS;
- erts_psd_required_locks[ERTS_PSD_SAVED_CALLS_BUF].get_locks
- = ERTS_PSD_SAVED_CALLS_BUF_GET_LOCKS;
- erts_psd_required_locks[ERTS_PSD_SAVED_CALLS_BUF].set_locks
- = ERTS_PSD_SAVED_CALLS_BUF_SET_LOCKS;
+ erts_psd_required_locks[ERTS_PSD_SAVED_CALLS_BUF].get_locks
+ = ERTS_PSD_SAVED_CALLS_BUF_GET_LOCKS;
+ erts_psd_required_locks[ERTS_PSD_SAVED_CALLS_BUF].set_locks
+ = ERTS_PSD_SAVED_CALLS_BUF_SET_LOCKS;
- erts_psd_required_locks[ERTS_PSD_SCHED_ID].get_locks
- = ERTS_PSD_SCHED_ID_GET_LOCKS;
- erts_psd_required_locks[ERTS_PSD_SCHED_ID].set_locks
- = ERTS_PSD_SCHED_ID_SET_LOCKS;
+ erts_psd_required_locks[ERTS_PSD_SCHED_ID].get_locks
+ = ERTS_PSD_SCHED_ID_GET_LOCKS;
+ erts_psd_required_locks[ERTS_PSD_SCHED_ID].set_locks
+ = ERTS_PSD_SCHED_ID_SET_LOCKS;
- erts_psd_required_locks[ERTS_PSD_CALL_TIME_BP].get_locks
- = ERTS_PSD_CALL_TIME_BP_GET_LOCKS;
- erts_psd_required_locks[ERTS_PSD_CALL_TIME_BP].set_locks
- = ERTS_PSD_CALL_TIME_BP_SET_LOCKS;
+ erts_psd_required_locks[ERTS_PSD_CALL_TIME_BP].get_locks
+ = ERTS_PSD_CALL_TIME_BP_GET_LOCKS;
+ erts_psd_required_locks[ERTS_PSD_CALL_TIME_BP].set_locks
+ = ERTS_PSD_CALL_TIME_BP_SET_LOCKS;
- erts_psd_required_locks[ERTS_PSD_DELAYED_GC_TASK_QS].get_locks
- = ERTS_PSD_DELAYED_GC_TASK_QS_GET_LOCKS;
- erts_psd_required_locks[ERTS_PSD_DELAYED_GC_TASK_QS].set_locks
- = ERTS_PSD_DELAYED_GC_TASK_QS_SET_LOCKS;
+ erts_psd_required_locks[ERTS_PSD_DELAYED_GC_TASK_QS].get_locks
+ = ERTS_PSD_DELAYED_GC_TASK_QS_GET_LOCKS;
+ erts_psd_required_locks[ERTS_PSD_DELAYED_GC_TASK_QS].set_locks
+ = ERTS_PSD_DELAYED_GC_TASK_QS_SET_LOCKS;
- erts_psd_required_locks[ERTS_PSD_NIF_TRAP_EXPORT].get_locks
- = ERTS_PSD_NIF_TRAP_EXPORT_GET_LOCKS;
- erts_psd_required_locks[ERTS_PSD_NIF_TRAP_EXPORT].set_locks
- = ERTS_PSD_NIF_TRAP_EXPORT_SET_LOCKS;
-
- /* Check that we have locks for all entries */
- for (ix = 0; ix < ERTS_PSD_SIZE; ix++) {
- ERTS_SMP_LC_ASSERT(erts_psd_required_locks[ix].get_locks);
- ERTS_SMP_LC_ASSERT(erts_psd_required_locks[ix].set_locks);
- }
- }
+ erts_psd_required_locks[ERTS_PSD_NIF_TRAP_EXPORT].get_locks
+ = ERTS_PSD_NIF_TRAP_EXPORT_GET_LOCKS;
+ erts_psd_required_locks[ERTS_PSD_NIF_TRAP_EXPORT].set_locks
+ = ERTS_PSD_NIF_TRAP_EXPORT_SET_LOCKS;
#endif
}
@@ -1314,46 +1305,25 @@ erts_proclist_destroy(ErtsProcList *plp)
}
void *
-erts_psd_set_init(Process *p, ErtsProcLocks plocks, int ix, void *data)
+erts_psd_set_init(Process *p, int ix, void *data)
{
void *old;
- ErtsProcLocks xplocks;
- int refc = 0;
- ErtsPSD *psd = erts_alloc(ERTS_ALC_T_PSD, sizeof(ErtsPSD));
+ ErtsPSD *psd, *new_psd;
int i;
- for (i = 0; i < ERTS_PSD_SIZE; i++)
- psd->data[i] = NULL;
- ERTS_SMP_LC_ASSERT(plocks);
- ERTS_SMP_LC_ASSERT(plocks == erts_proc_lc_my_proc_locks(p));
+ new_psd = erts_alloc(ERTS_ALC_T_PSD, sizeof(ErtsPSD));
+ for (i = 0; i < ERTS_PSD_SIZE; i++)
+ new_psd->data[i] = NULL;
- xplocks = ERTS_PROC_LOCKS_ALL;
- xplocks &= ~plocks;
- if (xplocks && erts_smp_proc_trylock(p, xplocks) == EBUSY) {
- if (xplocks & ERTS_PROC_LOCK_MAIN) {
- erts_proc_inc_refc(p);
- erts_smp_proc_unlock(p, plocks);
- erts_smp_proc_lock(p, ERTS_PROC_LOCKS_ALL);
- refc = 1;
- }
- else {
- if (plocks & ERTS_PROC_LOCKS_ALL_MINOR)
- erts_smp_proc_unlock(p, plocks & ERTS_PROC_LOCKS_ALL_MINOR);
- erts_smp_proc_lock(p, ERTS_PROC_LOCKS_ALL_MINOR);
- }
- }
- if (!p->psd)
- p->psd = psd;
- if (xplocks)
- erts_smp_proc_unlock(p, xplocks);
- if (refc)
- erts_proc_dec_refc(p);
- ASSERT(p->psd);
- if (p->psd != psd)
- erts_free(ERTS_ALC_T_PSD, psd);
- old = p->psd->data[ix];
- p->psd->data[ix] = data;
- ERTS_SMP_LC_ASSERT(plocks == erts_proc_lc_my_proc_locks(p));
+ psd = (ErtsPSD *) erts_smp_atomic_cmpxchg_mb(&p->psd,
+ (erts_aint_t) new_psd,
+ (erts_aint_t) NULL);
+ if (psd)
+ erts_free(ERTS_ALC_T_PSD, new_psd);
+ else
+ psd = new_psd;
+ old = psd->data[ix];
+ psd->data[ix] = data;
return old;
}
@@ -9798,10 +9768,7 @@ Process *schedule(Process *p, int calls)
if (erts_sched_stat.enabled) {
int prio;
- UWord old = ERTS_PROC_SCHED_ID(p,
- (ERTS_PROC_LOCK_MAIN
- | ERTS_PROC_LOCK_STATUS),
- (UWord) esdp->no);
+ UWord old = ERTS_PROC_SCHED_ID(p, (UWord) esdp->no);
int migrated = old && old != esdp->no;
#ifdef ERTS_DIRTY_SCHEDULERS
@@ -10465,7 +10432,7 @@ save_gc_task(Process *c_p, ErtsProcSysTask *st, int prio)
qs->q[PRIORITY_NORMAL] = NULL;
qs->q[PRIORITY_LOW] = NULL;
qs->q[prio] = st;
- (void) ERTS_PROC_SET_DELAYED_GC_TASK_QS(c_p, ERTS_PROC_LOCK_MAIN, qs);
+ (void) ERTS_PROC_SET_DELAYED_GC_TASK_QS(c_p, qs);
}
else {
if (!qs->q[prio]) {
@@ -10612,7 +10579,7 @@ erts_set_gc_state(Process *c_p, int enable)
erts_smp_proc_unlock(c_p, ERTS_PROC_LOCK_STATUS);
- (void) ERTS_PROC_SET_DELAYED_GC_TASK_QS(c_p, ERTS_PROC_LOCK_MAIN, NULL);
+ (void) ERTS_PROC_SET_DELAYED_GC_TASK_QS(c_p, NULL);
if (dgc_tsk_qs)
proc_sys_task_queues_free(dgc_tsk_qs);
@@ -11098,7 +11065,7 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
p->mbuf = NULL;
p->msg_frag = NULL;
p->mbuf_sz = 0;
- p->psd = NULL;
+ erts_smp_atomic_init_nob(&p->psd, (erts_aint_t) NULL);
p->dictionary = NULL;
p->seq_trace_lastcnt = 0;
p->seq_trace_clock = 0;
@@ -11267,7 +11234,7 @@ void erts_init_empty_process(Process *p)
p->mbuf = NULL;
p->msg_frag = NULL;
p->mbuf_sz = 0;
- p->psd = NULL;
+ erts_smp_atomic_init_nob(&p->psd, (erts_aint_t) NULL);
ERTS_P_MONITORS(p) = NULL;
ERTS_P_LINKS(p) = NULL; /* List of links */
p->nodes_monitors = NULL;
@@ -11437,14 +11404,17 @@ static void
delete_process(Process* p)
{
Eterm *heap;
+ ErtsPSD *psd;
VERBOSE(DEBUG_PROCESSES, ("Removing process: %T\n",p->common.id));
VERBOSE(DEBUG_SHCOPY, ("[pid=%T] delete process: %p %p %p %p\n", p->common.id,
HEAP_START(p), HEAP_END(p), OLD_HEAP(p), OLD_HEND(p)));
/* Cleanup psd */
- if (p->psd)
- erts_free(ERTS_ALC_T_PSD, p->psd);
+ psd = (ErtsPSD *) erts_smp_atomic_read_nob(&p->psd);
+
+ if (psd)
+ erts_free(ERTS_ALC_T_PSD, psd);
/* Clean binaries and funs */
erts_cleanup_offheap(&p->off_heap);
@@ -12523,9 +12493,9 @@ erts_continue_exit_process(Process *p)
}
dep = (p->flags & F_DISTRIBUTION) ? erts_this_dist_entry : NULL;
- scb = ERTS_PROC_SET_SAVED_CALLS_BUF(p, ERTS_PROC_LOCKS_ALL, NULL);
- pbt = ERTS_PROC_SET_CALL_TIME(p, ERTS_PROC_LOCKS_ALL, NULL);
- nif_export = ERTS_PROC_SET_NIF_TRAP_EXPORT(p, ERTS_PROC_LOCKS_ALL, NULL);
+ scb = ERTS_PROC_SET_SAVED_CALLS_BUF(p, NULL);
+ pbt = ERTS_PROC_SET_CALL_TIME(p, NULL);
+ nif_export = ERTS_PROC_SET_NIF_TRAP_EXPORT(p, NULL);
erts_smp_proc_unlock(p, ERTS_PROC_LOCKS_ALL);
#ifdef BM_COUNTERS
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index c88bd7056c..c07337b325 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -818,8 +818,8 @@ typedef struct {
#define ERTS_PSD_ERROR_HANDLER_BUF_GET_LOCKS ERTS_PROC_LOCK_MAIN
#define ERTS_PSD_ERROR_HANDLER_BUF_SET_LOCKS ERTS_PROC_LOCK_MAIN
-#define ERTS_PSD_SAVED_CALLS_BUF_GET_LOCKS ERTS_PROC_LOCK_MAIN
-#define ERTS_PSD_SAVED_CALLS_BUF_SET_LOCKS ERTS_PROC_LOCK_MAIN
+#define ERTS_PSD_SAVED_CALLS_BUF_GET_LOCKS ((ErtsProcLocks) 0)
+#define ERTS_PSD_SAVED_CALLS_BUF_SET_LOCKS ((ErtsProcLocks) 0)
#define ERTS_PSD_SCHED_ID_GET_LOCKS ERTS_PROC_LOCK_STATUS
#define ERTS_PSD_SCHED_ID_SET_LOCKS ERTS_PROC_LOCK_STATUS
@@ -830,8 +830,8 @@ typedef struct {
#define ERTS_PSD_DELAYED_GC_TASK_QS_GET_LOCKS ERTS_PROC_LOCK_MAIN
#define ERTS_PSD_DELAYED_GC_TASK_QS_SET_LOCKS ERTS_PROC_LOCK_MAIN
-#define ERTS_PSD_NIF_TRAP_EXPORT_GET_LOCKS ERTS_PROC_LOCK_MAIN
-#define ERTS_PSD_NIF_TRAP_EXPORT_SET_LOCKS ERTS_PROC_LOCK_MAIN
+#define ERTS_PSD_NIF_TRAP_EXPORT_GET_LOCKS ((ErtsProcLocks) 0)
+#define ERTS_PSD_NIF_TRAP_EXPORT_SET_LOCKS ((ErtsProcLocks) 0)
typedef struct {
ErtsProcLocks get_locks;
@@ -1026,7 +1026,7 @@ struct process {
ErlHeapFragment* live_hf_end;
ErtsMessage *msg_frag; /* Pointer to message fragment list */
Uint mbuf_sz; /* Total size of heap fragments and message fragments */
- ErtsPSD *psd; /* Rarely used process specific data */
+ erts_smp_atomic_t psd; /* Rarely used process specific data */
Uint64 bin_vheap_sz; /* Virtual heap block size for binaries */
Uint64 bin_old_vheap_sz; /* Virtual old heap block size for binaries */
@@ -1903,18 +1903,19 @@ do { \
#define ERTS_SMP_LC_CHK_RUNQ_LOCK(RQ, L)
#endif
-void *erts_psd_set_init(Process *p, ErtsProcLocks plocks, int ix, void *data);
+void *erts_psd_set_init(Process *p, int ix, void *data);
ERTS_GLB_INLINE void *
erts_psd_get(Process *p, int ix);
ERTS_GLB_INLINE void *
-erts_psd_set(Process *p, ErtsProcLocks plocks, int ix, void *new);
+erts_psd_set(Process *p, int ix, void *new);
#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE void *
erts_psd_get(Process *p, int ix)
{
+ ErtsPSD *psd;
#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK)
ErtsProcLocks locks = erts_proc_lc_my_proc_locks(p);
if (ERTS_LC_PSD_ANY_LOCK == erts_psd_required_locks[ix].get_locks)
@@ -1925,17 +1926,19 @@ erts_psd_get(Process *p, int ix)
|| erts_thr_progress_is_blocking());
}
#endif
+
+ psd = (ErtsPSD *) erts_smp_atomic_read_nob(&p->psd);
ASSERT(0 <= ix && ix < ERTS_PSD_SIZE);
- return p->psd ? p->psd->data[ix] : NULL;
+ if (!psd)
+ return NULL;
+ ERTS_SMP_DATA_DEPENDENCY_READ_MEMORY_BARRIER;
+ return psd->data[ix];
}
-
-/*
- * NOTE: erts_psd_set() might release and reacquire locks on 'p'.
- */
ERTS_GLB_INLINE void *
-erts_psd_set(Process *p, ErtsProcLocks plocks, int ix, void *data)
+erts_psd_set(Process *p, int ix, void *data)
{
+ ErtsPSD *psd;
#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK)
ErtsProcLocks locks = erts_proc_lc_my_proc_locks(p);
if (ERTS_LC_PSD_ANY_LOCK == erts_psd_required_locks[ix].set_locks)
@@ -1946,50 +1949,56 @@ erts_psd_set(Process *p, ErtsProcLocks plocks, int ix, void *data)
|| erts_thr_progress_is_blocking());
}
#endif
+ psd = (ErtsPSD *) erts_smp_atomic_read_nob(&p->psd);
ASSERT(0 <= ix && ix < ERTS_PSD_SIZE);
- if (p->psd) {
- void *old = p->psd->data[ix];
- p->psd->data[ix] = data;
+ if (psd) {
+ void *old;
+#ifdef ERTS_SMP
+#ifdef ETHR_ORDERED_READ_DEPEND
+ ETHR_MEMBAR(ETHR_LoadStore|ETHR_StoreStore);
+#else
+ ETHR_MEMBAR(ETHR_LoadLoad|ETHR_LoadStore|ETHR_StoreStore);
+#endif
+#endif
+ old = psd->data[ix];
+ psd->data[ix] = data;
return old;
}
- else {
- if (!data)
- return NULL;
- else
- return erts_psd_set_init(p, plocks, ix, data);
- }
+
+ if (!data)
+ return NULL;
+
+ return erts_psd_set_init(p, ix, data);
}
#endif
-#define ERTS_PROC_SCHED_ID(P, L, ID) \
- ((UWord) erts_psd_set((P), (L), ERTS_PSD_SCHED_ID, (void *) (ID)))
+#define ERTS_PROC_SCHED_ID(P, ID) \
+ ((UWord) erts_psd_set((P), ERTS_PSD_SCHED_ID, (void *) (ID)))
#define ERTS_PROC_GET_SAVED_CALLS_BUF(P) \
((struct saved_calls *) erts_psd_get((P), ERTS_PSD_SAVED_CALLS_BUF))
-#define ERTS_PROC_SET_SAVED_CALLS_BUF(P, L, SCB) \
- ((struct saved_calls *) erts_psd_set((P), (L), ERTS_PSD_SAVED_CALLS_BUF, (void *) (SCB)))
+#define ERTS_PROC_SET_SAVED_CALLS_BUF(P, SCB) \
+ ((struct saved_calls *) erts_psd_set((P), ERTS_PSD_SAVED_CALLS_BUF, (void *) (SCB)))
#define ERTS_PROC_GET_CALL_TIME(P) \
((process_breakpoint_time_t *) erts_psd_get((P), ERTS_PSD_CALL_TIME_BP))
-#define ERTS_PROC_SET_CALL_TIME(P, L, PBT) \
- ((process_breakpoint_time_t *) erts_psd_set((P), (L), ERTS_PSD_CALL_TIME_BP, (void *) (PBT)))
+#define ERTS_PROC_SET_CALL_TIME(P, PBT) \
+ ((process_breakpoint_time_t *) erts_psd_set((P), ERTS_PSD_CALL_TIME_BP, (void *) (PBT)))
#define ERTS_PROC_GET_DELAYED_GC_TASK_QS(P) \
((ErtsProcSysTaskQs *) erts_psd_get((P), ERTS_PSD_DELAYED_GC_TASK_QS))
-#define ERTS_PROC_SET_DELAYED_GC_TASK_QS(P, L, PBT) \
- ((ErtsProcSysTaskQs *) erts_psd_set((P), (L), ERTS_PSD_DELAYED_GC_TASK_QS, (void *) (PBT)))
+#define ERTS_PROC_SET_DELAYED_GC_TASK_QS(P, PBT) \
+ ((ErtsProcSysTaskQs *) erts_psd_set((P), ERTS_PSD_DELAYED_GC_TASK_QS, (void *) (PBT)))
#define ERTS_PROC_GET_NIF_TRAP_EXPORT(P) \
erts_psd_get((P), ERTS_PSD_NIF_TRAP_EXPORT)
-#define ERTS_PROC_SET_NIF_TRAP_EXPORT(P, L, NTE) \
- erts_psd_set((P), (L), ERTS_PSD_NIF_TRAP_EXPORT, (void *) (NTE))
+#define ERTS_PROC_SET_NIF_TRAP_EXPORT(P, NTE) \
+ erts_psd_set((P), ERTS_PSD_NIF_TRAP_EXPORT, (void *) (NTE))
ERTS_GLB_INLINE Eterm erts_proc_get_error_handler(Process *p);
-ERTS_GLB_INLINE Eterm erts_proc_set_error_handler(Process *p,
- ErtsProcLocks plocks,
- Eterm handler);
+ERTS_GLB_INLINE Eterm erts_proc_set_error_handler(Process *p, Eterm handler);
#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE Eterm
@@ -2005,13 +2014,13 @@ erts_proc_get_error_handler(Process *p)
}
ERTS_GLB_INLINE Eterm
-erts_proc_set_error_handler(Process *p, ErtsProcLocks plocks, Eterm handler)
+erts_proc_set_error_handler(Process *p, Eterm handler)
{
void *old_val;
void *new_val;
ASSERT(is_atom(handler));
new_val = (handler == am_error_handler) ? NULL : (void *) (UWord) handler;
- old_val = erts_psd_set(p, plocks, ERTS_PSD_ERROR_HANDLER, new_val);
+ old_val = erts_psd_set(p, ERTS_PSD_ERROR_HANDLER, new_val);
if (!old_val)
return am_error_handler;
else {
diff --git a/erts/emulator/beam/erl_process_dump.c b/erts/emulator/beam/erl_process_dump.c
index 39c36ee7a9..73552b28de 100644
--- a/erts/emulator/beam/erl_process_dump.c
+++ b/erts/emulator/beam/erl_process_dump.c
@@ -103,7 +103,7 @@ Uint erts_process_memory(Process *p, int incl_msg_inq) {
size += p->arity * sizeof(p->arg_reg[0]);
}
- if (p->psd)
+ if (erts_smp_atomic_read_nob(&p->psd) != (erts_aint_t) NULL)
size += sizeof(ErtsPSD);
scb = ERTS_PROC_GET_SAVED_CALLS_BUF(p);
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 797e4cdadc..cc58423938 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -397,7 +397,7 @@ static Port *create_port(char *name,
prt->common.u.alive.reg = NULL;
ERTS_PTMR_INIT(prt);
erts_port_task_handle_init(&prt->timeout_task);
- prt->psd = NULL;
+ erts_smp_atomic_init_nob(&prt->psd, (erts_aint_t) NULL);
prt->async_open_port = NULL;
prt->drv_data = (SWord) 0;
prt->os_pid = -1;
@@ -3520,6 +3520,7 @@ terminate_port(Port *prt)
Eterm connected_id = NIL /* Initialize to silence compiler */;
erts_driver_t *drv;
erts_aint32_t state;
+ ErtsPrtSD *psd;
ERTS_SMP_CHK_NO_PROC_LOCKS;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
@@ -3573,8 +3574,9 @@ terminate_port(Port *prt)
erts_cleanup_port_data(prt);
- if (prt->psd)
- erts_free(ERTS_ALC_T_PRTSD, prt->psd);
+ psd = (ErtsPrtSD *) erts_smp_atomic_read_nob(&prt->psd);
+ if (psd)
+ erts_free(ERTS_ALC_T_PRTSD, psd);
ASSERT(prt->dist_entry == NULL);