diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/unix/sysv/linux/Makefile | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/tst-sigtimedwait.c | 62 |
2 files changed, 63 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index dd126218b9..303fa297bc 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -109,7 +109,7 @@ tests += tst-clone tst-clone2 tst-clone3 tst-fanotify tst-personality \ tst-tgkill tst-sysvsem-linux tst-sysvmsg-linux tst-sysvshm-linux \ tst-timerfd tst-ppoll tst-futimens tst-utime tst-utimes \ tst-clock_adjtime tst-adjtimex tst-ntp_adjtime tst-ntp_gettime \ - tst-ntp_gettimex + tst-ntp_gettimex tst-sigtimedwait # Test for the symbol version of fcntl that was replaced in glibc 2.28. ifeq ($(have-GLIBC_2.27)$(build-shared),yesyes) diff --git a/sysdeps/unix/sysv/linux/tst-sigtimedwait.c b/sysdeps/unix/sysv/linux/tst-sigtimedwait.c new file mode 100644 index 0000000000..973fb5d301 --- /dev/null +++ b/sysdeps/unix/sysv/linux/tst-sigtimedwait.c @@ -0,0 +1,62 @@ +/* Test for sigtimedwait timeout. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <time.h> +#include <errno.h> +#include <signal.h> +#include <support/check.h> +#include <support/xtime.h> +#include <support/timespec.h> +#include <stdbool.h> + +static int +test_sigtimedwait_timeout (bool zero_tmo) +{ + /* We wait for half a second. */ + struct timespec ts; + xclock_gettime (CLOCK_REALTIME, &ts); + struct timespec timeout = make_timespec (0, zero_tmo ? 0 : TIMESPEC_HZ/2); + ts = timespec_add (ts, timeout); + + /* Set sigset to just wait for timeout. */ + sigset_t ss_usr1; + sigemptyset (&ss_usr1); + sigaddset (&ss_usr1, SIGUSR1); + + int ret = sigtimedwait (&ss_usr1, NULL, &timeout); + if (ret != -1) + FAIL_EXIT1 ("sigtimedwait failed: %m\n"); + + TEST_TIMESPEC_NOW_OR_AFTER (CLOCK_REALTIME, ts); + + return 0; +} + +static int +do_test (void) +{ + /* Check if sigtimedwait exits immediately. */ + test_sigtimedwait_timeout (true); + + /* Check if sigtimedwait exits after specified timeout. */ + test_sigtimedwait_timeout (false); + + return 0; +} + +#include <support/test-driver.c> |