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Patch #716969: Detect thread creation failure. Will backport to 2.2.

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This commit is contained in:
Martin v. Löwis 2003-04-19 07:44:52 +00:00
parent 1e91d8eb03
commit 910ae6283a
2 changed files with 9 additions and 9 deletions
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14
Python/thread_pthread.h
View file

@ -188,7 +188,7 @@ long
PyThread_start_new_thread(void (*func)(void *), void *arg)
{
pthread_t th;
int success;
int status;
sigset_t oldmask, newmask;
#if defined(THREAD_STACK_SIZE) || defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
pthread_attr_t attrs;
@ -214,7 +214,7 @@ PyThread_start_new_thread(void (*func)(void *), void *arg)
sigfillset(&newmask);
SET_THREAD_SIGMASK(SIG_BLOCK, &newmask, &oldmask);
success = pthread_create(&th,
status = pthread_create(&th,
#if defined(PY_PTHREAD_D4)
pthread_attr_default,
(pthread_startroutine_t)func,
@ -244,13 +244,15 @@ PyThread_start_new_thread(void (*func)(void *), void *arg)
#if defined(THREAD_STACK_SIZE) || defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
pthread_attr_destroy(&attrs);
#endif
if (success == 0) {
if (status != 0)
return -1;
#if defined(PY_PTHREAD_D4) || defined(PY_PTHREAD_D6) || defined(PY_PTHREAD_D7)
pthread_detach(&th);
pthread_detach(&th);
#elif defined(PY_PTHREAD_STD)
pthread_detach(th);
pthread_detach(th);
#endif
}
#if SIZEOF_PTHREAD_T <= SIZEOF_LONG
return (long) th;
#else

4
Python/thread_solaris.h
View file

@ -40,8 +40,6 @@ PyThread_start_new_thread(void (*func)(void *), void *arg)
{
thread_t tid;
struct func_arg *funcarg;
int success = 0; /* init not needed when SOLARIS_THREADS and */
/* C_THREADS implemented properly */
dprintf(("PyThread_start_new_thread called\n"));
if (!initialized)
@ -53,7 +51,7 @@ PyThread_start_new_thread(void (*func)(void *), void *arg)
THR_DETACHED | THR_NEW_LWP, &tid)) {
perror("thr_create");
free((void *) funcarg);
success = -1;
return -1;
}
return tid;
}