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Patch #1454481: Make thread stack size runtime tunable.

Browse source 
Heavily revised, comprising revisions:
46640 - original trunk revision (backed out in r46655)
46647 - markup fix (backed out in r46655)
46692:46918 merged from branch aimacintyre-sf1454481

branch tested on buildbots (Windows buildbots had problems
not related to these changes).
This commit is contained in:
Andrew MacIntyre 2006-06-13 15:04:24 +00:00
parent c6f5b3ad6c
commit 9291332de1
14 changed files with 349 additions and 6 deletions
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35
Python/thread_os2.h
View file

@ -14,10 +14,13 @@
long PyThread_get_thread_ident(void);
#endif
/* default thread stack size of 64kB */
#if !defined(THREAD_STACK_SIZE)
#define THREAD_STACK_SIZE 0x10000
#endif
#define OS2_STACKSIZE(x) (x ? x : THREAD_STACK_SIZE)
/*
* Initialization of the C package, should not be needed.
*/
@ -35,7 +38,10 @@ PyThread_start_new_thread(void (*func)(void *), void *arg)
int aThread;
int success = 0;
aThread = _beginthread(func, NULL, THREAD_STACK_SIZE, arg);
aThread = _beginthread(func,
NULL,
OS2_STACKSIZE(_pythread_stacksize),
arg);
if (aThread == -1) {
success = -1;
@ -275,3 +281,30 @@ PyThread_release_lock(PyThread_type_lock aLock)
DosExitCritSec();
#endif
}
/* minimum/maximum thread stack sizes supported */
#define THREAD_MIN_STACKSIZE 0x8000 /* 32kB */
#define THREAD_MAX_STACKSIZE 0x2000000 /* 32MB */
/* set the thread stack size.
* Return 0 if size is valid, -1 otherwise.
*/
static int
_pythread_os2_set_stacksize(size_t size)
{
/* set to default */
if (size == 0) {
_pythread_stacksize = 0;
return 0;
}
/* valid range? */
if (size >= THREAD_MIN_STACKSIZE && size < THREAD_MAX_STACKSIZE) {
_pythread_stacksize = size;
return 0;
}
return -1;
}
#define THREAD_SET_STACKSIZE(x) _pythread_os2_set_stacksize(x)