diogo/yap-6.3
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fixes to YAP C-thread interface.

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This commit is contained in:
Vitor Santos Costa
2010-07-23 12:07:33 +01:00
parent b1dd038eb5
commit eebff5df6a
5 changed files with 26 additions and 6 deletions
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17
C/threads.c
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@@ -368,8 +368,13 @@ CELL
Yap_thread_create_engine(thread_attr *ops)
{
thread_attr opsv;
Term t = TermNil;
int new_id = allocate_new_tid();
Term t = TermNil;
/*
ok, this creates a problem, because we are initializing an engine from some "empty" thread.
We need first to foool the thread into believing it is the main thread
*/
if (new_id == -1) {
/* YAP ERROR */
return FALSE;
@@ -381,13 +386,21 @@ Yap_thread_create_engine(thread_attr *ops)
ops->sysize = 0;
ops->egoal = t;
}
if (pthread_self() != Yap_master_thread) {
pthread_setspecific(Yap_yaamregs_key, (const void *)&Yap_standard_regs);
/* we are worker_id 0 for now, lock master thread so that no one messes with us */
pthread_mutex_lock(&(FOREIGN_ThreadHandle(0).tlock));
}
if (!init_thread_engine(new_id, ops->ssize, ops->tsize, ops->sysize, &t, &t, &(ops->egoal)))
return FALSE;
FOREIGN_ThreadHandle(new_id).id = new_id;
FOREIGN_ThreadHandle(new_id).pthread_handle = pthread_self();
FOREIGN_ThreadHandle(new_id).ref_count = 0;
setup_engine(new_id);
return TRUE;
if (pthread_self() != Yap_master_thread) {
pthread_mutex_unlock(&(FOREIGN_ThreadHandle(0).tlock));
}
return new_id;
}
Int