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57 lines
1.1 KiB
57 lines
1.1 KiB
/*
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* Copyright 2002-2019 Intel Corporation.
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*
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* This software is provided to you as Sample Source Code as defined in the accompanying
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* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
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* section 1.L.
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*
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* This software and the related documents are provided as is, with no express or implied
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* warranties, other than those that are expressly stated in the License.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <signal.h>
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static void HandleUSR1(int);
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static void HandleUSR2(int);
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int main()
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{
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struct sigaction sigact;
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sigact.sa_handler = HandleUSR1;
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sigemptyset(&sigact.sa_mask);
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sigact.sa_flags = 0;
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if (sigaction(SIGUSR1, &sigact, 0) == -1) {
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fprintf(stderr, "Unable handle signal USR1\n");
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return 1;
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}
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sigact.sa_handler = HandleUSR2;
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if (sigaction(SIGUSR2, &sigact, 0) == -1) {
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fprintf(stderr, "Unable handle signal USR2\n");
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return 1;
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}
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raise(SIGUSR1);
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return 0;
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}
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static void HandleUSR1(int sig)
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{
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raise(SIGUSR2);
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raise(SIGUSR2);
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}
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static void HandleUSR2(int sig)
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{
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static int count = 0;
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if (++count == 2)
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exit(0);
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}
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