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26 lines
450 B
C
26 lines
450 B
C
#include <assert.h>
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#include <errno.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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void handler(int signal) {
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printf("hello world\n");
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}
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int main(int argc, char** argv) {
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if (signal(SIGALRM, &handler) < 0)
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return EXIT_FAILURE;
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if (alarm(1) < 0)
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return EXIT_FAILURE;
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int ret = pause();
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assert(ret == -1);
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assert(errno == EINTR);
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printf("good bye\n");
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return 0;
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}
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