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46640 Patch #1454481:  Make thread stack size runtime tunable.
46647 Markup fix

The first is causing many buildbots to fail test runs, and there
are multiple causes with seemingly no immediate prospects for
repairing them.  See python-dev discussion.

Note that a branch can (and should) be created for resolving these
problems, like

svn copy svn+ssh://svn.python.org/python/trunk -r46640 svn+ssh://svn.python.org/python/branches/NEW_BRANCH

followed by merging rev 46647 to the new branch.
This commit is contained in:
Tim Peters 2006-06-04 23:52:47 +00:00
parent c7d14452a4
commit 28eeefe566
14 changed files with 5 additions and 332 deletions
Download patch file Download diff file Expand all files Collapse all files

42
Python/thread_os2.h
View file

@ -14,13 +14,10 @@
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.
*/
@ -38,10 +35,7 @@ PyThread_start_new_thread(void (*func)(void *), void *arg)
int aThread;
int success = 0;
aThread = _beginthread(func,
NULL,
OS2_STACKSIZE(_pythread_stacksize),
arg);
aThread = _beginthread(func, NULL, THREAD_STACK_SIZE, arg);
if (aThread == -1) {
success = -1;
@ -281,37 +275,3 @@ 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 1 if an exception is pending, 0 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;
}
else {
char warning[128];
snprintf(warning,
128,
"thread stack size of %#x bytes not supported on OS/2",
size);
return PyErr_Warn(PyExc_RuntimeWarning, warning);
}
}
#undef THREAD_SET_STACKSIZE
#define THREAD_SET_STACKSIZE(x) _pythread_os2_set_stacksize(x)