33 lines
736 B
C
33 lines
736 B
C
// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build !gccgo
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// +build !gccgo
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// The C definitions for gprof.go. That file uses //export so
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// it can't put function definitions in the "C" import comment.
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#include <stdint.h>
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#include <stdlib.h>
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// Functions exported from Go.
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extern void GoSleep();
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struct cgoContextArg {
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uintptr_t context;
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};
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void gprofCgoContext(void *arg) {
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((struct cgoContextArg*)arg)->context = 1;
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}
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void gprofCgoTraceback(void *arg) {
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// spend some time here so the P is more likely to be retaken.
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volatile int i;
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for (i = 0; i < 123456789; i++);
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}
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void CallGoSleep() {
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GoSleep();
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}
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