29 lines
635 B
C
29 lines
635 B
C
#include <pthread.h>
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#include <assert.h>
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#include <stdio.h>
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_Thread_local int x = 123;
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static void *function(void *arg) {
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printf("This is thread %u\n", pthread_self());
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printf("argument: %s\n", (const char *) arg);
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printf("[child] x = %d\n", x);
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x += 1;
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printf("[child] x = %d\n", x);
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return NULL;
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}
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int main(int argc, const char **argv) {
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pthread_t thread;
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printf("[main] &x = %p\n", &x);
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printf("[main] x = %d\n", x);
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x = 321;
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printf("[main] x = %d\n", x);
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assert(pthread_create(&thread, NULL, function, (void *) "thread1") == 0);
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pthread_join(thread, NULL);
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return 0;
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}
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