55 lines
968 B
C
55 lines
968 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 <fcntl.h>
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#include <time.h>
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#include <sys/time.h>
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#define FILESIZE (2L * 1024 * 1024 * 1024)
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int sigcalled = 0;
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void
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sig(int s)
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{
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sigcalled = 1;
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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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char *buf;
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long rc;
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long l;
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long r;
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int fd;
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buf = malloc(FILESIZE);
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fd = open("testfile", O_RDONLY);
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if (fd == -1) {
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fprintf(stderr, "Could not open file\n");
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unlink("testfile");
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exit(1);
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}
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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(1);
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rc = read(fd, buf, FILESIZE);
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if (rc == -1) {
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fprintf(stderr, "CT2002 NG BAD read rc=%ld errno=%d\n", rc, errno);
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exit(1);
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}
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if (sigcalled == 0) {
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fprintf(stderr, "CT2002 NG signal handler was not called\n");
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exit(1);
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}
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fprintf(stderr, "CT2002 OK\n");
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exit(0);
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}
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