39 lines
773 B
C
39 lines
773 B
C
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// Copyright 2015 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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// +build !windows
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#include <signal.h>
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#include <stdlib.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <unistd.h>
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extern void IntoGoAndBack();
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int CheckBlocked() {
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sigset_t mask;
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sigprocmask(SIG_BLOCK, NULL, &mask);
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return sigismember(&mask, SIGIO);
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}
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static void* sigthreadfunc(void* unused) {
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sigset_t mask;
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sigemptyset(&mask);
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sigaddset(&mask, SIGIO);
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sigprocmask(SIG_BLOCK, &mask, NULL);
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IntoGoAndBack();
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return NULL;
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}
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int RunSigThread() {
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pthread_t thread;
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int r;
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r = pthread_create(&thread, NULL, &sigthreadfunc, NULL);
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if (r != 0)
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return r;
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return pthread_join(thread, NULL);
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}
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