mirror of
https://github.com/golang/go
synced 2024-11-23 20:40:07 -07:00
13d9a29060
Updates #30228 Change-Id: I830e3c83416b2e5744f30d1a903a74c50462716b Reviewed-on: https://go-review.googlesource.com/c/163210 Run-TryBot: Bryan C. Mills <bcmills@google.com> Reviewed-by: Ian Lance Taylor <iant@golang.org> Reviewed-by: Jay Conrod <jayconrod@google.com>
35 lines
830 B
C
35 lines
830 B
C
// 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;
|
|
}
|