Mercurial > hg > octave-nkf > gnulib-hg
changeset 15362:28b654ee4e61
Tests for module 'sigprocmask'.
* modules/sigprocmask-tests: New file.
* tests/test-sigprocmask.c: New file.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Thu, 07 Jul 2011 19:52:19 +0200 |
parents | cb88770da803 |
children | 0bbb2481b43a |
files | ChangeLog modules/sigprocmask-tests tests/test-sigprocmask.c |
diffstat | 3 files changed, 115 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2011-07-07 Bruno Haible <bruno@clisp.org> + + Tests for module 'sigprocmask'. + * modules/sigprocmask-tests: New file. + * tests/test-sigprocmask.c: New file. + 2011-07-07 Bruno Haible <bruno@clisp.org> float tests: Tweak.
new file mode 100644 --- /dev/null +++ b/modules/sigprocmask-tests @@ -0,0 +1,13 @@ +Files: +tests/test-sigprocmask.c +tests/signature.h +tests/macros.h + +Depends-on: +sleep + +configure.ac: + +Makefile.am: +TESTS += test-sigprocmask +check_PROGRAMS += test-sigprocmask
new file mode 100644 --- /dev/null +++ b/tests/test-sigprocmask.c @@ -0,0 +1,96 @@ +/* Test of sigprocmask. + Copyright (C) 2011 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 <http://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; + int pid = getpid (); + char command[80]; + + 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, pid); + system (command); + + /* 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