forked from OSchip/llvm-project
43 lines
721 B
C
43 lines
721 B
C
// RUN: %clang_safestack %s -pthread -o %t
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// RUN: %run %t
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// XFAIL: darwin
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// Test that pthreads receive their own unsafe stack.
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#include <stdlib.h>
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#include <string.h>
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#include <pthread.h>
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#include "utils.h"
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static int ptr_test = 42;
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void *t1_start(void *ptr)
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{
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if (ptr != &ptr_test)
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abort();
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// safe stack
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int val = ptr_test * 5;
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// unsafe stack
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char buffer[8096]; // two pages
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memset(buffer, val, sizeof (buffer));
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break_optimization(buffer);
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return ptr;
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}
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int main(int argc, char **argv)
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{
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pthread_t t1;
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void *ptr = NULL;
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if (pthread_create(&t1, NULL, t1_start, &ptr_test))
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abort();
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if (pthread_join(t1, &ptr))
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abort();
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if (ptr != &ptr_test)
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abort();
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return 0;
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}
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