04b2ada51c
Add a simple test that uses syscall annotations. Just to ensure at least basic functionality works. Also factor out annotated syscall wrappers into a separate header file as they may be useful for future tests. Reviewed By: vitalybuka Differential Revision: https://reviews.llvm.org/D102223
39 lines
787 B
C++
39 lines
787 B
C++
// RUN: %clangxx_tsan -O1 %s -o %t && %env_tsan_opts=atexit_sleep_ms=50 %run %t 2>&1 | FileCheck %s
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#include "../test.h"
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#include "syscall.h"
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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int counter;
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static void *incrementer(void *p) {
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for (;;)
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__sync_fetch_and_add(&counter, 1);
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return 0;
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}
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int main() {
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pthread_t th1;
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pthread_create(&th1, 0, incrementer, 0);
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for (int i = 0; i < 10; i++) {
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switch (myfork()) {
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default: // parent
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while (wait(0) < 0) {
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}
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fprintf(stderr, ".");
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break;
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case 0: // child
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__sync_fetch_and_add(&counter, 1);
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exit(0);
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break;
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case -1: // error
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fprintf(stderr, "failed to fork (%d)\n", errno);
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exit(1);
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}
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}
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fprintf(stderr, "OK\n");
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}
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// CHECK: OK
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