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author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2020-11-23 13:47:18 -0300 |
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committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2020-11-25 10:46:25 -0300 |
commit | b4c3446836285fc3d1465dc9b8c587c8f50e4922 (patch) | |
tree | f70425bcc062abc3523456f7edf4ab185946e3b9 | |
parent | 74f418b29d1e9463028f2ae4cc2a9c74d39aeaab (diff) | |
download | glibc-b4c3446836285fc3d1465dc9b8c587c8f50e4922.zip glibc-b4c3446836285fc3d1465dc9b8c587c8f50e4922.tar.gz glibc-b4c3446836285fc3d1465dc9b8c587c8f50e4922.tar.bz2 |
nptl: Return EINVAL for invalid clock for pthread_clockjoin_np
The align the GNU extension with the others one that accept specify
which clock to wait for (such as pthread_mutex_clocklock).
Check on x86_64-linux-gnu.
Reviewed-by: Lukasz Majewski <lukma@denx.de>
-rw-r--r-- | manual/threads.texi | 2 | ||||
-rw-r--r-- | nptl/pthread_clockjoin.c | 4 | ||||
-rw-r--r-- | sysdeps/pthread/Makefile | 2 | ||||
-rw-r--r-- | sysdeps/pthread/tst-join15.c | 85 |
4 files changed, 92 insertions, 1 deletions
diff --git a/manual/threads.texi b/manual/threads.texi index 5bcfe32..06b6b27 100644 --- a/manual/threads.texi +++ b/manual/threads.texi @@ -842,6 +842,8 @@ will wait forever in the same way as @code{pthread_join}. @safety{@prelim{}@mtsafe{}@asunsafe{@asulock{}}@acunsafe{@aculock{}}} Behaves like @code{pthread_timedjoin_np} except that the absolute time in @var{abstime} is measured against the clock specified by @var{clockid}. +Currently, @var{clockid} must be either @code{CLOCK_MONOTONIC} or +@code{CLOCK_REALTIME}. @end deftypefun @node Single-Threaded diff --git a/nptl/pthread_clockjoin.c b/nptl/pthread_clockjoin.c index 0baba1e..3d54fe5 100644 --- a/nptl/pthread_clockjoin.c +++ b/nptl/pthread_clockjoin.c @@ -17,12 +17,16 @@ <http://www.gnu.org/licenses/>. */ #include <time.h> +#include <futex-internal.h> #include "pthreadP.h" int __pthread_clockjoin_np64 (pthread_t threadid, void **thread_return, clockid_t clockid, const struct __timespec64 *abstime) { + if (!futex_abstimed_supported_clockid (clockid)) + return EINVAL; + return __pthread_clockjoin_ex (threadid, thread_return, clockid, abstime, true); } diff --git a/sysdeps/pthread/Makefile b/sysdeps/pthread/Makefile index 45a15b0..8f335c1 100644 --- a/sysdeps/pthread/Makefile +++ b/sysdeps/pthread/Makefile @@ -77,7 +77,7 @@ tests += tst-cnd-basic tst-mtx-trylock tst-cnd-broadcast \ tst-getpid3 \ tst-join1 tst-join2 tst-join3 tst-join4 tst-join5 tst-join6 tst-join7 \ tst-join8 tst-join9 tst-join10 tst-join11 tst-join12 tst-join13 \ - tst-join14 \ + tst-join14 tst-join15 \ tst-key1 tst-key2 tst-key3 tst-key4 \ tst-kill1 tst-kill2 tst-kill3 tst-kill4 tst-kill5 tst-kill6 \ tst-locale1 tst-locale2 \ diff --git a/sysdeps/pthread/tst-join15.c b/sysdeps/pthread/tst-join15.c new file mode 100644 index 0000000..94e523f --- /dev/null +++ b/sysdeps/pthread/tst-join15.c @@ -0,0 +1,85 @@ +/* Check pthread_clockjoin_np clock support. + Copyright (C) 2020 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 <pthread.h> +#include <sys/time.h> +#include <unistd.h> +#include <errno.h> + +#include <array_length.h> +#include <support/check.h> +#include <support/timespec.h> +#include <support/xthread.h> + +static void * +tf (void *arg) +{ + pause (); + return NULL; +} + + +static int +do_test (void) +{ + const clockid_t clocks[] = { + CLOCK_REALTIME, + CLOCK_MONOTONIC, + CLOCK_PROCESS_CPUTIME_ID, + CLOCK_THREAD_CPUTIME_ID, + CLOCK_THREAD_CPUTIME_ID, + CLOCK_MONOTONIC_RAW, + CLOCK_REALTIME_COARSE, + CLOCK_MONOTONIC_COARSE, +#ifdef CLOCK_BOOTTIME + CLOCK_BOOTTIME, +#endif +#ifdef CLOCK_REALTIME_ALARM + CLOCK_REALTIME_ALARM, +#endif +#ifdef CLOCK_BOOTTIME_ALARM + CLOCK_BOOTTIME_ALARM, +#endif +#ifdef CLOCK_TAI + CLOCK_TAI +#endif + }; + + pthread_t thr = xpthread_create (NULL, tf, NULL); + + for (int t = 0; t < array_length (clocks); t++) + { + /* Create a valid timeout to check for ETIMEDOUT on valid clocks. */ + struct timespec tmo; + if (clock_gettime (clocks[t], &tmo) == -1) + /* For clocks not supported, create a large timeout (it should + fail early with EINVAL). */ + tmo = make_timespec (-1, 0); + else + tmo = timespec_add (tmo, make_timespec (0, 100000000)); + + int ret = clocks[t] == CLOCK_REALTIME || clocks[t] == CLOCK_MONOTONIC + ? ETIMEDOUT : EINVAL; + + TEST_COMPARE (pthread_clockjoin_np (thr, NULL, clocks[t], &tmo), ret); + } + + return 0; +} + +#include <support/test-driver.c> |