Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/split-2.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do run } */ /* { dg-require-effective-target split_stack } */ /* { dg-require-effective-target pthread_h } */ /* { dg-options "-pthread -fsplit-stack" } */ #include <stdlib.h> #include <pthread.h> /* Use a noinline function to ensure that the buffer is not removed from the stack. */ static void use_buffer (char *buf) __attribute__ ((noinline)); static void use_buffer (char *buf) { buf[0] = '\0'; } /* Each recursive call uses 10,000 bytes. We call it 1000 times, using a total of 10,000,000 bytes. If -fsplit-stack is not working, that will overflow our stack limit. */ static void down (int i) { char buf[10000]; if (i > 0) { use_buffer (buf); down (i - 1); } } static void * thread_routine (void *arg __attribute__ ((unused))) { down (1000); return NULL; } int main (void) { int i; pthread_t tid; void *dummy; i = pthread_create (&tid, NULL, thread_routine, NULL); if (i != 0) abort (); i = pthread_join (tid, &dummy); if (i != 0) abort (); return 0; }