mirror of
https://github.com/jart/cosmopolitan.git
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90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
// Copyright 2024 Justine Alexandra Roberts Tunney
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//
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// Permission to use, copy, modify, and/or distribute this software for
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// any purpose with or without fee is hereby granted, provided that the
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// above copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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// WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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// AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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// DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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// PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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// TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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#include <errno.h>
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#include <signal.h>
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#include <stdlib.h>
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volatile int gotsig;
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void OnSig(int sig) {
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gotsig = sig;
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}
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void test_sa_resethand_raise(void) {
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struct sigaction sa;
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sa.sa_handler = OnSig;
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sa.sa_flags = SA_RESETHAND;
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sigemptyset(&sa.sa_mask);
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if (sigaction(SIGUSR1, &sa, 0))
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exit(1);
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if (sigaction(SIGUSR1, 0, &sa))
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exit(2);
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if (sa.sa_handler != OnSig)
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exit(3);
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if (raise(SIGUSR1))
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exit(4);
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if (gotsig != SIGUSR1)
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exit(5);
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if (sigaction(SIGUSR1, 0, &sa))
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exit(6);
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if (sa.sa_handler != SIG_DFL)
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exit(7);
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}
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void test_sa_resethand_pause(void) {
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struct sigaction sa;
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sa.sa_handler = OnSig;
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sa.sa_flags = SA_RESETHAND;
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sigemptyset(&sa.sa_mask);
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if (sigaction(SIGALRM, &sa, 0))
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exit(10);
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ualarm(10000, 0);
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if (pause() != -1 || errno != EINTR)
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exit(11);
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if (gotsig != SIGALRM)
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exit(12);
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if (sigaction(SIGALRM, 0, &sa))
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exit(13);
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if (sa.sa_handler != SIG_DFL)
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exit(14);
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}
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void test_sa_resethand_read(void) {
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struct sigaction sa;
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sa.sa_handler = OnSig;
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sa.sa_flags = SA_RESETHAND;
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sigemptyset(&sa.sa_mask);
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if (sigaction(SIGALRM, &sa, 0))
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exit(20);
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int fds[2];
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if (pipe(fds))
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exit(21);
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ualarm(10000, 0);
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if (read(fds[0], (char[]){0}, 1) != -1 || errno != EINTR)
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exit(22);
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if (gotsig != SIGALRM)
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exit(23);
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if (sigaction(SIGALRM, 0, &sa))
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exit(24);
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if (sa.sa_handler != SIG_DFL)
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exit(25);
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}
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int main() {
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test_sa_resethand_raise();
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test_sa_resethand_pause();
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test_sa_resethand_read();
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}
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