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author | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2017-12-03 20:50:11 +0100 |
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committer | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2017-12-03 20:50:11 +0100 |
commit | 4cf52fc0bc3b80c0ef6c58c5db4413ebdafe661c (patch) | |
tree | 676b26b024117cf656080a011e3d17b8fb6889af /tests/test-pthread_sigmask1.c | |
parent | 1ecbfbb92248e67b564f5b144c4671ccaa86ee2f (diff) | |
parent | 44ff3127b1e57b703c2a73a24f7ab38e4aad8ae4 (diff) |
Merge branch 'release/0.9.8-1'0.9.8-1
Diffstat (limited to 'tests/test-pthread_sigmask1.c')
-rw-r--r-- | tests/test-pthread_sigmask1.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/tests/test-pthread_sigmask1.c b/tests/test-pthread_sigmask1.c new file mode 100644 index 0000000..595516e --- /dev/null +++ b/tests/test-pthread_sigmask1.c @@ -0,0 +1,95 @@ +/* Test of pthread_sigmask in a single-threaded program. + Copyright (C) 2011-2017 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 __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 |