diogo/yap-6.3
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more packages to implement better thread interface.

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This commit is contained in:
Vitor Santos Costa
2010-07-23 15:54:13 +01:00
parent eebff5df6a
commit f3b9811ef7
5 changed files with 77 additions and 40 deletions
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19
C/threads.c
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@@ -264,6 +264,7 @@ p_create_thread(void)
/* make sure we can proceed */
if (!init_thread_engine(new_worker_id, ssize, tsize, sysize, &ARG1, &ARG5, &ARG6))
return FALSE;
FOREIGN_ThreadHandle(new_worker_id).pthread_handle = NULL;
FOREIGN_ThreadHandle(new_worker_id).id = new_worker_id;
FOREIGN_ThreadHandle(new_worker_id).ref_count = 1;
if ((FOREIGN_ThreadHandle(new_worker_id).ret = pthread_create(&FOREIGN_ThreadHandle(new_worker_id).pthread_handle, NULL, thread_run, (void *)(&(FOREIGN_ThreadHandle(new_worker_id).id)))) == 0) {
@@ -377,7 +378,7 @@ Yap_thread_create_engine(thread_attr *ops)
*/
if (new_id == -1) {
/* YAP ERROR */
return FALSE;
return -1;
}
if (ops == NULL) {
ops = &opsv;
@@ -392,9 +393,9 @@ Yap_thread_create_engine(thread_attr *ops)
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;
return -1;
FOREIGN_ThreadHandle(new_id).pthread_handle = NULL;
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);
if (pthread_self() != Yap_master_thread) {
@@ -410,8 +411,10 @@ Yap_thread_attach_engine(int wid)
pthread_mutex_lock(&(FOREIGN_ThreadHandle(wid).tlock));
if (FOREIGN_ThreadHandle(wid).ref_count ) {
DEBUG_TLOCK_ACCESS(8, wid);
FOREIGN_ThreadHandle(wid).ref_count++;
FOREIGN_ThreadHandle(wid).pthread_handle = pthread_self();
pthread_mutex_unlock(&(FOREIGN_ThreadHandle(wid).tlock));
return FALSE;
return TRUE;
}
FOREIGN_ThreadHandle(wid).pthread_handle = pthread_self();
FOREIGN_ThreadHandle(wid).ref_count++;
@@ -426,6 +429,12 @@ Yap_thread_detach_engine(int wid)
{
DEBUG_TLOCK_ACCESS(10, wid);
pthread_mutex_lock(&(FOREIGN_ThreadHandle(wid).tlock));
if (FOREIGN_ThreadHandle(wid).ref_count == 0) {
FOREIGN_ThreadHandle(wid).pthread_handle = NULL;
DEBUG_TLOCK_ACCESS(11, wid);
pthread_mutex_unlock(&(FOREIGN_ThreadHandle(wid).tlock));
return FALSE;
}
FOREIGN_ThreadHandle(wid).ref_count--;
DEBUG_TLOCK_ACCESS(11, wid);
pthread_mutex_unlock(&(FOREIGN_ThreadHandle(wid).tlock));
@@ -435,6 +444,8 @@ Yap_thread_detach_engine(int wid)
Int
Yap_thread_destroy_engine(int wid)
{
DEBUG_TLOCK_ACCESS(10, wid);
pthread_mutex_lock(&(FOREIGN_ThreadHandle(wid).tlock));
if (FOREIGN_ThreadHandle(wid).ref_count == 0) {
kill_thread_engine(wid, TRUE);
return TRUE;