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32 lines
478 B
C
32 lines
478 B
C
#include <stdlib.h> /* exit(3), */
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#include <unistd.h> /* fork(2), */
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int main(void)
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{
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int child_status;
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int status;
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switch (fork()) {
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case -1:
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exit(EXIT_FAILURE);
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case 0: /* child */
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return 13;
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default: /* parent */
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status = wait(&child_status);
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if (status < 0) {
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perror("wait()");
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exit(EXIT_FAILURE);
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}
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if (!WIFEXITED(child_status))
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exit(EXIT_FAILURE);
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if (WEXITSTATUS(child_status) != 13)
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exit(EXIT_FAILURE);
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exit(EXIT_SUCCESS);
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}
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}
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