Josh Williams
25 lines
439 B
C
25 lines
439 B
C
#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include "../test_helpers.h"
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// test to make sure sending an invalid signal sets errno
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void sig_handler(int signo)
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{
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(void) signo;
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printf("handler does nothing useful.\n");
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}
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int main()
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{
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errno = -1;
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void (*status) (int);
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status = signal(-1, sig_handler);
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ERROR_IF(signal, status, != SIG_ERR);
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ERROR_IF(signal, errno, <= 0);
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return EXIT_SUCCESS;
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}
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