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protect against calls to garbage collector (obs from Paulo Moura).

This commit is contained in:
Vitor Santos Costa 2010-01-31 23:03:55 +00:00
parent 6b8c2b096a
commit a0b48eb108
1 changed files with 9 additions and 9 deletions
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18
C/threads.c
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@ -67,10 +67,11 @@ allocate_new_tid(void)
}
static int
store_specs(int new_worker_id, UInt ssize, UInt tsize, UInt sysize, Term tgoal, Term tdetach, Term texit)
store_specs(int new_worker_id, UInt ssize, UInt tsize, UInt sysize, Term *tpgoal, Term *tpdetach, Term *tpexit)
{
UInt pm; /* memory to be requested */
Term tmod;
Term tdetach, tgoal;
if (tsize < MinTrailSpace)
tsize = MinTrailSpace;
@ -84,9 +85,10 @@ store_specs(int new_worker_id, UInt ssize, UInt tsize, UInt sysize, Term tgoal,
return FALSE;
}
ThreadHandle[new_worker_id].tgoal =
Yap_StoreTermInDB(tgoal,7);
Yap_StoreTermInDB(Deref(*tpgoal),7);
ThreadHandle[new_worker_id].cmod =
CurrentModule;
tdetach = Deref(*tpdetach);
if (IsVarTerm(tdetach)){
ThreadHandle[new_worker_id].tdetach =
MkAtomTerm(AtomFalse);
@ -94,7 +96,7 @@ store_specs(int new_worker_id, UInt ssize, UInt tsize, UInt sysize, Term tgoal,
ThreadHandle[new_worker_id].tdetach =
tdetach;
}
tgoal = Yap_StripModule(texit, &tmod);
tgoal = Yap_StripModule(Deref(*tpexit), &tmod);
ThreadHandle[new_worker_id].texit_mod = tmod;
ThreadHandle[new_worker_id].texit =
Yap_StoreTermInDB(tgoal,7);
@ -227,7 +229,7 @@ p_thread_new_tid(void)
}
static int
init_thread_engine(int new_worker_id, UInt ssize, UInt tsize, UInt sysize, Term tgoal, Term tdetach, Term texit)
init_thread_engine(int new_worker_id, UInt ssize, UInt tsize, UInt sysize, Term *tgoal, Term *tdetach, Term *texit)
{
return store_specs(new_worker_id, ssize, tsize, sysize, tgoal, tdetach, texit);
}
@ -238,9 +240,6 @@ p_create_thread(void)
UInt ssize;
UInt tsize;
UInt sysize;
Term tgoal = Deref(ARG1);
Term tdetach = Deref(ARG5);
Term texit = Deref(ARG6);
Term x2 = Deref(ARG2);
Term x3 = Deref(ARG3);
Term x4 = Deref(ARG4);
@ -260,7 +259,7 @@ p_create_thread(void)
return FALSE;
}
/* make sure we can proceed */
if (!init_thread_engine(new_worker_id, ssize, tsize, sysize, tgoal, tdetach, texit))
if (!init_thread_engine(new_worker_id, ssize, tsize, sysize, &ARG1, &ARG5, &ARG6))
return FALSE;
ThreadHandle[new_worker_id].id = new_worker_id;
ThreadHandle[new_worker_id].ref_count = 1;
@ -365,12 +364,13 @@ Yap_thread_self(void)
CELL
Yap_thread_create_engine(thread_attr *ops)
{
Term t = TermNil;
int new_id = allocate_new_tid();
if (new_id == -1) {
/* YAP ERROR */
return FALSE;
}
if (!init_thread_engine(new_id, ops->ssize, ops->tsize, ops->sysize, TermNil, TermNil, ops->egoal))
if (!init_thread_engine(new_id, ops->ssize, ops->tsize, ops->sysize, &t, &t, &(ops->egoal)))
return FALSE;
ThreadHandle[new_id].id = new_id;
ThreadHandle[new_id].handle = pthread_self();