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Improve threading on Solaris, according to SF patch #460269, submitted

Browse source 
by bbrox@bbrox.org / lionel.ulmer@free.fr.

This adds a configure check and if all goes well turns on the
PTHREAD_SCOPE_SYSTEM thread attribute for new threads.

This should remove the need to add tiny sleeps at the start of threads
to allow other threads to be scheduled.
This commit is contained in:
Guido van Rossum 2001-09-10 14:10:54 +00:00
parent 47f40343b3
commit d0b69eceb4
5 changed files with 376 additions and 276 deletions
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11
Python/thread_pthread.h
View file

@ -135,16 +135,21 @@ PyThread_start_new_thread(void (*func)(void *), void *arg)
{
pthread_t th;
int success;
#ifdef THREAD_STACK_SIZE
#if defined(THREAD_STACK_SIZE) || defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
pthread_attr_t attrs;
#endif
dprintf(("PyThread_start_new_thread called\n"));
if (!initialized)
PyThread_init_thread();
#ifdef THREAD_STACK_SIZE
#if defined(THREAD_STACK_SIZE) || defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
pthread_attr_init(&attrs);
#endif
#ifdef THREAD_STACK_SIZE
pthread_attr_setstacksize(&attrs, THREAD_STACK_SIZE);
#endif
#ifdef PTHREAD_SYSTEM_SCHED_SUPPORTED
pthread_attr_setscope(&attrs, PTHREAD_SCOPE_SYSTEM);
#endif
success = pthread_create(&th,
#if defined(PY_PTHREAD_D4)
@ -160,7 +165,7 @@ PyThread_start_new_thread(void (*func)(void *), void *arg)
func,
arg
#elif defined(PY_PTHREAD_STD)
#ifdef THREAD_STACK_SIZE
#if defined(THREAD_STACK_SIZE) || defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
&attrs,
#else
(pthread_attr_t*)NULL,