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Commit d0b69ec

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gvanrossumgvanrossum
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Improve threading on Solaris, according to SF patch #460269, submitted
by [email protected] / [email protected]. 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.
1 parent 47f4034 commit d0b69ec

5 files changed

Lines changed: 324 additions & 224 deletions

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‎Python/thread_pthread.h‎

Lines changed: 8 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -135,16 +135,21 @@ PyThread_start_new_thread(void (*func)(void *), void *arg)
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{
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pthread_t th;
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int success;
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#ifdef THREAD_STACK_SIZE
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#if defined(THREAD_STACK_SIZE) || defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
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pthread_attr_t attrs;
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#endif
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dprintf(("PyThread_start_new_thread called\n"));
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if (!initialized)
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PyThread_init_thread();
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145-
#ifdef THREAD_STACK_SIZE
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#if defined(THREAD_STACK_SIZE) || defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
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pthread_attr_init(&attrs);
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#endif
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#ifdef THREAD_STACK_SIZE
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pthread_attr_setstacksize(&attrs, THREAD_STACK_SIZE);
150+
#endif
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#ifdef PTHREAD_SYSTEM_SCHED_SUPPORTED
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pthread_attr_setscope(&attrs, PTHREAD_SCOPE_SYSTEM);
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#endif
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success = pthread_create(&th,
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#if defined(PY_PTHREAD_D4)
@@ -160,7 +165,7 @@ PyThread_start_new_thread(void (*func)(void *), void *arg)
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func,
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arg
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#elif defined(PY_PTHREAD_STD)
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#ifdef THREAD_STACK_SIZE
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#if defined(THREAD_STACK_SIZE) || defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
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&attrs,
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#else
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(pthread_attr_t*)NULL,

‎acconfig.h‎

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -155,6 +155,9 @@
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/* The number of bytes in a pthread_t. */
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#undef SIZEOF_PTHREAD_T
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/* Defined if PTHREAD_SCOPE_SYSTEM supported. */
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#undef PTHREAD_SYSTEM_SCHED_SUPPORTED
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/* sizeof(void *) */
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#undef SIZEOF_VOID_P
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