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64 lines
1.3 KiB
64 lines
1.3 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 <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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static void Handle(int);
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static void HandlerIsEstablished();
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typedef void (*PF)();
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volatile PF pfEstablished;
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int main()
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{
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struct sigaction act;
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act.sa_handler = Handle;
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act.sa_flags = 0;
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sigemptyset(&act.sa_mask);
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if (sigaction(SIGUSR1, &act, 0) != 0)
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{
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fprintf(stderr, "Unable to set up USR1 handler\n");
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return 1;
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}
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pfEstablished = HandlerIsEstablished;
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pfEstablished();
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raise(SIGUSR1);
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raise(SIGUSR1);
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fprintf(stderr, "Should exit from handler\n");
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return 1;
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}
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static void Handle(int sig)
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{
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static int Count = 0;
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printf("In handler\n");
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if (++Count == 2)
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exit(0);
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}
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static void HandlerIsEstablished()
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{
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/*
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* Pin can add an instrumentation point here to be notified
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* when the signal handler is established.
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*/
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}
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