diff options
author | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2017-12-02 10:30:51 +0100 |
---|---|---|
committer | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2017-12-02 10:30:51 +0100 |
commit | fd167a99e31b7021c78972c09acbf83b2d347c98 (patch) | |
tree | ca8ccd8fed78f99dd13ea6ab5069431983dac7b9 /tests/test-sigprocmask.c | |
parent | 4d76768442551c97a85e6f133cb818d223012746 (diff) | |
parent | 44a3eaeba04ef78835ca741592c376428ada5f71 (diff) |
Update upstream source from tag 'upstream/0.9.8'
Update to upstream version '0.9.8'
with Debian dir bac53b09be895fe7915b59f95882628bcc7b606e
Diffstat (limited to 'tests/test-sigprocmask.c')
-rw-r--r-- | tests/test-sigprocmask.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/tests/test-sigprocmask.c b/tests/test-sigprocmask.c new file mode 100644 index 00000000..69de0ed3 --- /dev/null +++ b/tests/test-sigprocmask.c @@ -0,0 +1,102 @@ +/* Test of sigprocmask. + 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 (sigprocmask, 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; + pid_t pid = getpid (); + char command[80]; + + if (sizeof (int) < sizeof pid && 0x7fffffff < pid) + { + fputs ("Skipping test: pid too large\n", stderr); + return 77; + } + + signal (SIGINT, sigint_handler); + + sigemptyset (&set); + sigaddset (&set, SIGINT); + + /* Check error handling. */ + ASSERT (sigprocmask (1729, &set, NULL) == -1); + ASSERT (errno == EINVAL); + + /* Block SIGINT. */ + ASSERT (sigprocmask (SIG_BLOCK, &set, NULL) == 0); + + /* Request a SIGINT signal from outside. */ + sprintf (command, "sh -c 'sleep 1; kill -%d %d' &", SIGINT, (int) 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 (sigprocmask (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 + sigprocmask(), at least one of those signals shall be delivered + before the call to sigprocmask() 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 |