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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test that using the Go profiler in a C program does not crash.
#include <stddef.h>
#include <sys/time.h>
#include "libgo6.h"
int main(int argc, char **argv) {
struct timeval tvstart, tvnow;
int diff;
gettimeofday(&tvstart, NULL);
go_start_profile();
// Busy wait so we have something to profile.
// If we just sleep the profiling signal will never fire.
while (1) {
gettimeofday(&tvnow, NULL);
diff = (tvnow.tv_sec - tvstart.tv_sec) * 1000 * 1000 + (tvnow.tv_usec - tvstart.tv_usec);
// Profile frequency is 100Hz so we should definitely
// get a signal in 50 milliseconds.
if (diff > 50 * 1000)
break;
}
go_stop_profile();
return 0;
}