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-rw-r--r--Python/thread_nt.h31
1 files changed, 30 insertions, 1 deletions
diff --git a/Python/thread_nt.h b/Python/thread_nt.h
index 0b7e84e..67f5ed5 100644
--- a/Python/thread_nt.h
+++ b/Python/thread_nt.h
@@ -5,7 +5,9 @@
#include <windows.h>
#include <limits.h>
+#ifdef HAVE_PROCESS_H
#include <process.h>
+#endif
typedef struct NRMUTEX {
LONG owned ;
@@ -194,7 +196,7 @@ 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".
@@ -333,3 +335,30 @@ 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 0 if size is valid, -1 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;
+ }
+
+ return -1;
+}
+
+#define THREAD_SET_STACKSIZE(x) _pythread_nt_set_stacksize(x)