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Patch #1454481: Make thread stack size runtime tunable.

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This commit is contained in:
Andrew MacIntyre 2006-06-04 12:31:09 +00:00
parent 7a071939d9
commit 6539d2d3c7
14 changed files with 332 additions and 5 deletions
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36
Python/thread_nt.h
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@ -185,7 +185,7 @@ PyThread_start_new_thread(void (*func)(void *), void *arg)
if (obj.done == NULL)
return -1;
rv = _beginthread(bootstrap, 0, &obj); /* use default stack size */
rv = _beginthread(bootstrap, _pythread_stacksize, &obj);
if (rv == (Py_uintptr_t)-1) {
/* I've seen errno == EAGAIN here, which means "there are
* too many threads".
@ -313,3 +313,37 @@ void PyThread_release_lock(PyThread_type_lock aLock)
if (!(aLock && LeaveNonRecursiveMutex((PNRMUTEX) aLock)))
dprintf(("%ld: Could not PyThread_release_lock(%p) error: %l\n", PyThread_get_thread_ident(), aLock, GetLastError()));
}
/* minimum/maximum thread stack sizes supported */
#define THREAD_MIN_STACKSIZE 0x8000 /* 32kB */
#define THREAD_MAX_STACKSIZE 0x10000000 /* 256MB */
/* set the thread stack size.
* Return 1 if an exception is pending, 0 otherwise.
*/
static int
_pythread_nt_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;
}
else {
char warning[128];
snprintf(warning,
128,
"thread stack size of %#x bytes not supported on Win32",
size);
return PyErr_Warn(PyExc_RuntimeWarning, warning);
}
}
#undef THREAD_SET_STACKSIZE
#define THREAD_SET_STACKSIZE(x) _pythread_nt_set_stacksize(x)