diogo/yap-6.3
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unlock threads while in zombie mode, nad enusre that the GlobalLock is always asked before and let after locking a thread.

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This commit is contained in:
Vítor Santos Costa 2013-11-12 08:43:45 +00:00
parent e813c75814
commit 0d45ff8d37
1 changed files with 15 additions and 13 deletions
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28
C/threads.c
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@ -177,18 +177,6 @@ kill_thread_engine (int wid, int always_die)
free(REMOTE_ThreadHandle(wid).default_yaam_regs);
REMOTE_ThreadHandle(wid).default_yaam_regs = NULL;
LOCK(GLOBAL_ThreadHandlesLock);
if (REMOTE_ThreadHandle(wid).tdetach == MkAtomTerm(AtomTrue) ||
always_die) {
REMOTE_ThreadHandle(wid).zombie = FALSE;
REMOTE_ThreadHandle(wid).in_use = FALSE;
MUTEX_UNLOCK(&(REMOTE_ThreadHandle(wid).tlock));
}
UNLOCK(GLOBAL_ThreadHandlesLock);
}
static void
thread_die(int wid, int always_die)
{
#ifdef TABLING
CACHE_REGS
tab_ent_ptr tab_ent;
@ -227,6 +215,19 @@ thread_die(int wid, int always_die)
/* called by thread itself */
GLOBAL_ThreadsTotalTime += Yap_cputime();
}
MUTEX_LOCK(&(REMOTE_ThreadHandle(wid).tlock));
if (REMOTE_ThreadHandle(wid).tdetach == MkAtomTerm(AtomTrue) ||
always_die) {
REMOTE_ThreadHandle(wid).zombie = FALSE;
REMOTE_ThreadHandle(wid).in_use = FALSE;
}
MUTEX_UNLOCK(&(REMOTE_ThreadHandle(wid).tlock));
UNLOCK(GLOBAL_ThreadHandlesLock);
}
static void
thread_die(int wid, int always_die)
{
kill_thread_engine(wid, always_die);
}
@ -430,7 +431,7 @@ p_thread_zombie_self( USES_REGS1 )
// fprintf(stderr," -- %d\n", worker_id);
LOCAL_ThreadHandle.in_use = FALSE;
LOCAL_ThreadHandle.zombie = TRUE;
//MUTEX_UNLOCK(&(LOCAL_ThreadHandle.tlock));
MUTEX_UNLOCK(&(LOCAL_ThreadHandle.tlock));
return Yap_unify(MkIntegerTerm(worker_id), ARG1);
}
@ -583,6 +584,7 @@ p_thread_destroy( USES_REGS1 )
Int tid = IntegerOfTerm(Deref(ARG1));
LOCK(GLOBAL_ThreadHandlesLock);
MUTEX_LOCK(&(REMOTE_ThreadHandle(tid).tlock));
REMOTE_ThreadHandle(tid).zombie = FALSE;
REMOTE_ThreadHandle(tid).in_use = FALSE;
MUTEX_UNLOCK(&(REMOTE_ThreadHandle(tid).tlock));