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0c5eb0562a
Let's make sure our poll() calls don't get interrupted where they shouldn't (SIGALRM, ...), but allow them to be interrupted where they should (SIGINT, ...). Fixes #1965
50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/***
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This file is part of systemd.
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Copyright 2016 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "signal-util.h"
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static void test_block_signals(void) {
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sigset_t ss;
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assert_se(sigprocmask(0, NULL, &ss) >= 0);
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assert_se(sigismember(&ss, SIGUSR1) == 0);
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assert_se(sigismember(&ss, SIGALRM) == 0);
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assert_se(sigismember(&ss, SIGVTALRM) == 0);
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{
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BLOCK_SIGNALS(SIGUSR1, SIGVTALRM);
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assert_se(sigprocmask(0, NULL, &ss) >= 0);
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assert_se(sigismember(&ss, SIGUSR1) == 1);
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assert_se(sigismember(&ss, SIGALRM) == 0);
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assert_se(sigismember(&ss, SIGVTALRM) == 1);
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}
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assert_se(sigprocmask(0, NULL, &ss) >= 0);
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assert_se(sigismember(&ss, SIGUSR1) == 0);
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assert_se(sigismember(&ss, SIGALRM) == 0);
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assert_se(sigismember(&ss, SIGVTALRM) == 0);
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}
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int main(int argc, char *argv[]) {
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test_block_signals();
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}
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