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-rw-r--r--manual/threads.texi2
-rw-r--r--nptl/pthread_clockjoin.c4
-rw-r--r--sysdeps/pthread/Makefile2
-rw-r--r--sysdeps/pthread/tst-join15.c85
4 files changed, 92 insertions, 1 deletions
diff --git a/manual/threads.texi b/manual/threads.texi
index 5bcfe32d6a..06b6b277a1 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 0baba1e83d..3d54fe588f 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 45a15b0b1a..8f335c13b5 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 0000000000..94e523f61f
--- /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>