41 lines
682 B
C
41 lines
682 B
C
#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <signal.h>
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#include <errno.h>
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#include <time.h>
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#include <sys/time.h>
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void
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sig(int s)
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{
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fprintf(stderr, "signal hanlder is called\n");
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}
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int
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main(int argc, char **argv)
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{
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struct sigaction act;
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int fds[2];
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char c;
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int rc;
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memset(&act, '\0', sizeof act);
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act.sa_handler = sig;
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sigaction(SIGALRM, &act, NULL);
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alarm(3);
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pipe(fds);
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rc = read(fds[0], &c, 1);
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if (rc != -1) {
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fprintf(stderr, "CT3001 NG BAD read rc=%d\n", rc);
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exit(1);
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}
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if (errno != EINTR) {
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fprintf(stderr, "CT3001 NG BAD error errno=%d\n", errno);
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exit(1);
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}
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fprintf(stderr, "CT3001 OK\n");
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exit(0);
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}
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