mirror of https://github.com/flysand7/ciabatta.git
42 lines
1002 B
C
42 lines
1002 B
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <threads.h>
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#include <stdatomic.h>
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#include <cia/sync.h>
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static Cia_Mutex g_mutex;
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static volatile i64 counter = 0;
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int thrd_func(void *arg) {
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printf("child thread: ok!\n");
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for(int i = 0; i < 100000; ++i) {
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cia_mutex_lock(&g_mutex);
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counter += 1;
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cia_mutex_unlock(&g_mutex);
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}
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printf("child thread: counter = %I64d\n", counter);
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return 0;
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}
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int main() {
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printf("main thread: before\n");
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cia_mutex_init(&g_mutex);
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thrd_t thrd;
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int status = thrd_create(&thrd, thrd_func, NULL);
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if(status == thrd_error) {
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printf("main thread: error creating child thread\n");
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return 1;
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}
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printf("main thread: after!\n");
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for(int i = 0; i < 100000; ++i) {
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cia_mutex_lock(&g_mutex);
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counter += 1;
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cia_mutex_unlock(&g_mutex);
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}
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int exit_code;
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thrd_join(thrd, &exit_code);
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printf("main thread: counter = %I64d\n", counter);
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return 0;
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}
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