aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam/bif.c
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/beam/bif.c')
-rw-r--r--erts/emulator/beam/bif.c41
1 files changed, 26 insertions, 15 deletions
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index 6e9755ad48..6b1ce823cb 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2010. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2011. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -368,7 +368,6 @@ static int demonitor(Process *c_p, Eterm ref)
ErtsMonitor *mon = NULL; /* The monitor entry to delete */
Process *rp; /* Local target process */
Eterm to = NIL; /* Monitor link traget */
- Eterm ref_p; /* Pid of this end */
DistEntry *dep = NULL; /* Target's distribution entry */
int deref_de = 0;
int res;
@@ -381,7 +380,6 @@ static int demonitor(Process *c_p, Eterm ref)
res = ERTS_DEMONITOR_BADARG;
goto done; /* Cannot be this monitor's ref */
}
- ref_p = c_p->id;
mon = erts_lookup_monitor(c_p->monitors, ref);
if (!mon) {
@@ -813,7 +811,7 @@ BIF_RETTYPE spawn_opt_1(BIF_ALIST_1)
so.min_heap_size = H_MIN_SIZE;
so.min_vheap_size = BIN_VH_MIN_SIZE;
so.priority = PRIORITY_NORMAL;
- so.max_gen_gcs = (Uint16) erts_smp_atomic_read(&erts_max_gen_gcs);
+ so.max_gen_gcs = (Uint16) erts_smp_atomic32_read(&erts_max_gen_gcs);
so.scheduler = 0;
/*
@@ -1091,10 +1089,20 @@ BIF_RETTYPE unlink_1(BIF_ALIST_1)
BIF_RETTYPE hibernate_3(BIF_ALIST_3)
{
/*
- * hibernate/3 is implemented as an instruction; therefore
- * this function will never be called.
+ * hibernate/3 is usually translated to an instruction; therefore
+ * this function is only called from HiPE or when the call could not
+ * be translated.
*/
- BIF_ERROR(BIF_P, BADARG);
+ Eterm reg[3];
+
+ if (erts_hibernate(BIF_P, BIF_ARG_1, BIF_ARG_2, BIF_ARG_3, reg)) {
+ /*
+ * If hibernate succeeded, TRAP. The process will be suspended
+ * if status is P_WAITING or continue (if any message was in the queue).
+ */
+ BIF_TRAP_CODE_PTR_(BIF_P, BIF_P->i);
+ }
+ return THE_NON_VALUE;
}
/**********************************************************************/
@@ -1351,9 +1359,10 @@ BIF_RETTYPE exit_2(BIF_ALIST_2)
#ifdef ERTS_SMP
if (rp == BIF_P)
rp_locks &= ~ERTS_PROC_LOCK_MAIN;
- else
+ if (rp_locks)
+ erts_smp_proc_unlock(rp, rp_locks);
+ if (rp != BIF_P)
erts_smp_proc_dec_refc(rp);
- erts_smp_proc_unlock(rp, rp_locks);
#endif
/*
* We may have exited ourselves and may have to take action.
@@ -3269,12 +3278,13 @@ BIF_RETTYPE ports_0(BIF_ALIST_0)
erts_smp_mtx_lock(&ports_snapshot_mtx); /* One snapshot at a time */
- erts_smp_atomic_set(&erts_dead_ports_ptr, (long) (port_buf + erts_max_ports));
+ erts_smp_atomic_set(&erts_dead_ports_ptr,
+ (erts_aint_t) (port_buf + erts_max_ports));
next_ss = erts_smp_atomic_inctest(&erts_ports_snapshot);
if (erts_smp_atomic_read(&erts_ports_alive) > 0) {
- long i;
+ erts_aint_t i;
for (i = erts_max_ports-1; i >= 0; i--) {
Port* prt = &erts_port[i];
erts_smp_port_state_lock(prt);
@@ -3289,7 +3299,7 @@ BIF_RETTYPE ports_0(BIF_ALIST_0)
}
dead_ports = (Eterm*)erts_smp_atomic_xchg(&erts_dead_ports_ptr,
- (long)NULL);
+ (erts_aint_t) NULL);
erts_smp_mtx_unlock(&ports_snapshot_mtx);
ASSERT(pp <= dead_ports);
@@ -3300,7 +3310,7 @@ BIF_RETTYPE ports_0(BIF_ALIST_0)
ASSERT((alive+dead) <= erts_max_ports);
if (alive+dead > 0) {
- long i;
+ erts_aint_t i;
Eterm *hp = HAlloc(BIF_P, (alive+dead)*2);
for (i = 0; i < alive; i++) {
@@ -3796,7 +3806,8 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2)
goto error;
}
nval = (n > (Sint) ((Uint16) -1)) ? ((Uint16) -1) : ((Uint16) n);
- oval = (Uint) erts_smp_atomic_xchg(&erts_max_gen_gcs, (long) nval);
+ oval = (Uint) erts_smp_atomic32_xchg(&erts_max_gen_gcs,
+ (erts_aint32_t) nval);
BIF_RET(make_small(oval));
} else if (BIF_ARG_1 == am_min_heap_size) {
int oval = H_MIN_SIZE;
@@ -4139,7 +4150,7 @@ void erts_init_bif(void)
erts_smp_spinlock_init(&make_ref_lock, "make_ref");
erts_smp_mtx_init(&ports_snapshot_mtx, "ports_snapshot");
- erts_smp_atomic_init(&erts_dead_ports_ptr, (long)NULL);
+ erts_smp_atomic_init(&erts_dead_ports_ptr, (erts_aint_t) NULL);
/*
* bif_return_trap/1 is a hidden BIF that bifs that need to