diff options
| -rw-r--r-- | sysdeps/unix/sysv/linux/Makefile | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/tst-ppoll.c | 56 |
2 files changed, 57 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index 0ac1e20436..a0a6dcef17 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -107,7 +107,7 @@ tests += tst-clone tst-clone2 tst-clone3 tst-fanotify tst-personality \ test-errno-linux tst-memfd_create tst-mlock2 tst-pkey \ tst-rlimit-infinity tst-ofdlocks tst-gettid tst-gettid-kill \ tst-tgkill tst-sysvsem-linux tst-sysvmsg-linux tst-sysvshm-linux \ - tst-timerfd + tst-timerfd tst-ppoll tests-internal += tst-ofdlocks-compat tst-sigcontext-get_pc CFLAGS-tst-sigcontext-get_pc.c = -fasynchronous-unwind-tables diff --git a/sysdeps/unix/sysv/linux/tst-ppoll.c b/sysdeps/unix/sysv/linux/tst-ppoll.c new file mode 100644 index 0000000000..9fe6ad07ce --- /dev/null +++ b/sysdeps/unix/sysv/linux/tst-ppoll.c @@ -0,0 +1,56 @@ +/* Test for ppoll 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 <poll.h> +#include <errno.h> +#include <support/check.h> +#include <support/xtime.h> +#include <support/timespec.h> +#include <stdbool.h> + +static int test_ppoll_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); + + /* Ignore fds - just wait for timeout. */ + struct pollfd fds = { -1, 0, 0 }; + TEST_COMPARE (ppoll (&fds, 1, &timeout, 0), 0); + + TEST_TIMESPEC_NOW_OR_AFTER (CLOCK_REALTIME, ts); + + return 0; +} + +static int +do_test (void) +{ + /* Check if ppoll exits immediately. */ + test_ppoll_timeout (true); + + /* Check if ppoll exits after specified timeout. */ + test_ppoll_timeout (false); + + return 0; +} + +#include <support/test-driver.c> |