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Update API comments, refine footprint of wasm loader (#256)

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and fix issues of get native stack boundary
This commit is contained in:
wenyongh
2020-05-15 17:44:36 +08:00
committed by GitHub
parent 1362b6d81f
commit a0bb761beb
4 changed files with 269 additions and 264 deletions
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32
core/shared/platform/common/posix/posix_thread.c
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@ -223,19 +223,31 @@ int os_thread_join(korp_tid thread, void **value_ptr)
uint8 *os_thread_get_stack_boundary()
{
pthread_t self = pthread_self();
pthread_attr_t attr;
void *addr = NULL;
size_t size;
uint8 *addr = NULL;
size_t stack_size, guard_size;
if (pthread_getattr_np(pthread_self(), &attr) == 0) {
pthread_attr_getstack(&attr, &addr, &size);
pthread_attr_destroy (&attr);
#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 (guard_size < 4 * 1024)
/* Reserved 4 KB guard size at least for safety */
guard_size = 4 * 1024;
addr += guard_size;
}
(void)stack_size;
#elif defined(__APPLE__)
if ((addr = (uint8*)pthread_get_stackaddr_np(self))) {
stack_size = pthread_get_stacksize_np(self);
addr -= stack_size;
/* Reserved 4 KB guard size at least for safety */
addr += 4 * 1024;
}
#endif
if (addr)
/* Reserved 4 KB for safety */
return (uint8*)addr + 4 * 1024;
else
return NULL;
return addr;
}