Current File : //usr/local/go119/src/runtime/testdata/testprogcgo/gprof_c.c
// Copyright 2021 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.
// The C definitions for gprof.go. That file uses //export so
// it can't put function definitions in the "C" import comment.
#include <stdint.h>
#include <stdlib.h>
// Functions exported from Go.
extern void GoSleep();
struct cgoContextArg {
uintptr_t context;
};
void gprofCgoContext(void *arg) {
((struct cgoContextArg*)arg)->context = 1;
}
void gprofCgoTraceback(void *arg) {
// spend some time here so the P is more likely to be retaken.
volatile int i;
for (i = 0; i < 123456789; i++);
}
void CallGoSleep() {
GoSleep();
}
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