diff options
Diffstat (limited to 'Python/thread.c')
| -rw-r--r-- | Python/thread.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Python/thread.c b/Python/thread.c index c9356dcbfd..3a2c7af6ff 100644 --- a/Python/thread.c +++ b/Python/thread.c @@ -95,6 +95,11 @@ PyThread_init_thread(void) PyThread__init_thread(); } +/* Support for runtime thread stack size tuning. + A value of 0 means using the platform's default stack size + or the size specified by the THREAD_STACK_SIZE macro. */ +static size_t _pythread_stacksize = 0; + #ifdef SGI_THREADS #include "thread_sgi.h" #endif @@ -150,6 +155,28 @@ PyThread_init_thread(void) #endif */ +/* return the current thread stack size */ +size_t +PyThread_get_stacksize(void) +{ + return _pythread_stacksize; +} + +/* Only platforms defining a THREAD_SET_STACKSIZE() macro + in thread_<platform>.h support changing the stack size. + Return 0 if stack size is valid, + -1 if stack size value is invalid, + -2 if setting stack size is not supported. */ +int +PyThread_set_stacksize(size_t size) +{ +#if defined(THREAD_SET_STACKSIZE) + return THREAD_SET_STACKSIZE(size); +#else + return -2; +#endif +} + #ifndef Py_HAVE_NATIVE_TLS /* If the platform has not supplied a platform specific TLS implementation, provide our own. @@ -240,6 +267,8 @@ find_key(int key, void *value) struct key *p; long id = PyThread_get_thread_ident(); + if (!keymutex) + return NULL; PyThread_acquire_lock(keymutex, 1); for (p = keyhead; p != NULL; p = p->next) { if (p->id == id && p->key == key) |