Add cmake variable to set the max app thread stack size (#346)

This commit is contained in:
Wenyong Huang
2020-08-11 14:47:24 +08:00
committed by GitHub
parent 8ad9c1775f
commit 8c820730ba
4 changed files with 21 additions and 3 deletions

View File

@ -242,12 +242,19 @@ uint8 *os_thread_get_stack_boundary()
uint8 *addr = NULL;
size_t stack_size, guard_size;
int page_size = getpagesize();
size_t max_stack_size = (APP_THREAD_STACK_SIZE_MAX + page_size - 1)
& ~(page_size - 1);
if (max_stack_size < APP_THREAD_STACK_SIZE_DEFAULT)
max_stack_size = APP_THREAD_STACK_SIZE_DEFAULT;
#ifdef __linux__
if (pthread_getattr_np(self, &attr) == 0) {
pthread_attr_getstack(&attr, (void**)&addr, &stack_size);
pthread_attr_getguardsize(&attr, &guard_size);
pthread_attr_destroy(&attr);
if (stack_size > max_stack_size)
addr = addr + stack_size - max_stack_size;
if (guard_size < (size_t)page_size)
/* Reserved 1 guard page at least for safety */
guard_size = (size_t)page_size;
@ -257,7 +264,10 @@ uint8 *os_thread_get_stack_boundary()
#elif defined(__APPLE__)
if ((addr = (uint8*)pthread_get_stackaddr_np(self))) {
stack_size = pthread_get_stacksize_np(self);
addr -= stack_size;
if (stack_size > max_stack_size)
addr -= max_stack_size;
else
addr -= stack_size;
/* Reserved 1 guard page at least for safety */
addr += page_size;
}