diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:46:38 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:46:38 +0000 |
commit | a06ac93dcf311dac3943cb5d96ad47625d413c2d (patch) | |
tree | 6efda5e24896e7920ccac1f97aecc73406525040 /gnulib-tests/test-pthread_sigmask1.c | |
parent | Initial commit. (diff) | |
download | coreutils-a06ac93dcf311dac3943cb5d96ad47625d413c2d.tar.xz coreutils-a06ac93dcf311dac3943cb5d96ad47625d413c2d.zip |
Adding upstream version 8.30.upstream/8.30upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gnulib-tests/test-pthread_sigmask1.c')
-rw-r--r-- | gnulib-tests/test-pthread_sigmask1.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/gnulib-tests/test-pthread_sigmask1.c b/gnulib-tests/test-pthread_sigmask1.c new file mode 100644 index 0000000..92edb77 --- /dev/null +++ b/gnulib-tests/test-pthread_sigmask1.c @@ -0,0 +1,95 @@ +/* Test of pthread_sigmask in a single-threaded program. + Copyright (C) 2011-2018 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2011. */ + +#include <config.h> + +#include <signal.h> + +#include "signature.h" +SIGNATURE_CHECK (pthread_sigmask, int, (int, const sigset_t *, sigset_t *)); + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include "macros.h" + +#if !(defined _WIN32 && !defined __CYGWIN__) + +static volatile int sigint_occurred; + +static void +sigint_handler (int sig) +{ + sigint_occurred++; +} + +int +main (int argc, char *argv[]) +{ + sigset_t set; + int pid = getpid (); + char command[80]; + + signal (SIGINT, sigint_handler); + + sigemptyset (&set); + sigaddset (&set, SIGINT); + + /* Check error handling. */ + ASSERT (pthread_sigmask (1729, &set, NULL) == EINVAL); + + /* Block SIGINT. */ + ASSERT (pthread_sigmask (SIG_BLOCK, &set, NULL) == 0); + + /* Request a SIGINT signal from outside. */ + sprintf (command, "sh -c 'sleep 1; kill -%d %d' &", SIGINT, pid); + ASSERT (system (command) == 0); + + /* Wait. */ + sleep (2); + + /* The signal should not have arrived yet, because it is blocked. */ + ASSERT (sigint_occurred == 0); + + /* Unblock SIGINT. */ + ASSERT (pthread_sigmask (SIG_UNBLOCK, &set, NULL) == 0); + + /* The signal should have arrived now, because POSIX says + "If there are any pending unblocked signals after the call to + pthread_sigmask(), at least one of those signals shall be delivered + before the call to pthread_sigmask() returns." */ + ASSERT (sigint_occurred == 1); + + return 0; +} + +#else + +/* On native Windows, getpid() values and the arguments that are passed to + the (Cygwin?) 'kill' program are not necessarily related. */ + +int +main () +{ + fputs ("Skipping test: native Windows platform\n", stderr); + return 77; +} + +#endif |