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[glibc/azanella/master-posix_clock] nptl: Add POSIX-proposed pthread_mutex_clocklock


https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8a560d50bf9b52fd719828d9a578f8f3df5577d9

commit 8a560d50bf9b52fd719828d9a578f8f3df5577d9
Author: Mike Crowe <mac@mcrowe.com>
Date:   Mon Jun 24 19:48:14 2019 +0000

    nptl: Add POSIX-proposed pthread_mutex_clocklock
    
    Add POSIX-proposed pthread_mutex_clocklock function that works like
    pthread_mutex_timedlock but takes a clockid parameter to measure the
    abstime parameter against.
    
    	* sysdeps/nptl/pthread.h: Add pthread_mutex_clocklock.
    	* nptl/DESIGN-systemtap-probes.txt: Likewise.
    	* nptl/pthread_mutex_timedlock.c
    	(__pthread_mutex_clocklock_common): Rename from
    	__pthread_mutex_timedlock and add clockid parameter. Pass this
    	parameter to lll_clocklock and lll_clocklock_elision in place of
    	CLOCK_REALTIME. (__pthread_mutex_clocklock): New function to add
    	LIBC_PROBE and validate clockid parameter before calling
    	__pthread_mutex_clocklock_common. (__pthread_mutex_timedlock): New
    	implementation to add LIBC_PROBE and calls
    	__pthread_mutex_clocklock_common passing CLOCK_REALTIME as the
    	clockid.
    	* nptl/Makefile: Add tst-mutex11.c.
    	* nptl/tst-abstime.c (th): Add tests for pthread_mutex_clocklock.
    	* nptl/tst-mutex11.c: New tests for passing invalid and unsupported
    	clockid parameters to pthread_mutex_clocklock.
    	* nptl/tst-mutex5.c (do_test_clock): Rename from do_test and take
    	clockid parameter to indicate which clock to be used. Call
    	pthread_mutex_timedlock or pthread_mutex_clocklock as appropriate.
    	(do_test): Call do_test_clock to separately test
    	pthread_mutex_timedlock, pthread_mutex_clocklock(CLOCK_REALTIME)
    	and pthread_mutex_clocklock(CLOCK_MONOTONIC).
    	* nptl/tst-mutex9.c: Likewise.
    	* nptl/Versions (GLIBC_2.30): Add pthread_mutex_clocklock.
    	* sysdeps/unix/sysv/linux/aarch64/libpthread.abilist (GLIBC_2.30):
    	Likewise.
    	* sysdeps/unix/sysv/linux/alpha/libpthread.abilist (GLIBC_2.30):
    	Likewise.
    	* sysdeps/unix/sysv/linux/arm/libpthread.abilist (GLIBC_2.30):
    	Likewise.
    	* sysdeps/unix/sysv/linux/csky/libpthread.abilist (GLIBC_2.30):
    	Likewise.
    	* sysdeps/unix/sysv/linux/hppa/libpthread.abilist (GLIBC_2.30):
    	Likewise.
    	* sysdeps/unix/sysv/linux/i386/libpthread.abilist (GLIBC_2.30):
    	Likewise.
    	* sysdeps/unix/sysv/linux/ia64/libpthread.abilist (GLIBC_2.30):
    	Likewise.
    	* sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist
    	(GLIBC_2.30): Likewise.
    	* sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist
    	(GLIBC_2.30): Likewise.
    	* sysdeps/unix/sysv/linux/microblaze/libpthread.abilist
    	(GLIBC_2.30): Likewise.
    	* sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist
    	(GLIBC_2.30): Likewise.
    	* sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist
    	(GLIBC_2.30): Likewise.
    	* sysdeps/unix/sysv/linux/nios2/libpthread.abilist (GLIBC_2.30):
    	Likewise.
    	* sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist
    	(GLIBC_2.30): Likewise.
    	* sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist
    	(GLIBC_2.30): Likewise.
    	* sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist
    	(GLIBC_2.30): Likewise.
    	* sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist
    	(GLIBC_2.30): Likewise.
    	* sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist
    	(GLIBC_2.30): Likewise.
    	* sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist
    	(GLIBC_2.30): Likewise.
    	* sysdeps/unix/sysv/linux/sh/libpthread.abilist (GLIBC_2.30):
    	Likewise.
    	* sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist
    	(GLIBC_2.30): Likewise.
    	* sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist
    	(GLIBC_2.30): Likewise.
    	* sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist
    	(GLIBC_2.30): Likewise.
    	* sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist
    	(GLIBC_2.30): Likewise.

Diff:
---
 ChangeLog                                          | 73 ++++++++++++++++++++++
 nptl/DESIGN-systemtap-probes.txt                   |  3 +
 nptl/Makefile                                      |  2 +-
 nptl/Versions                                      |  1 +
 nptl/pthread_cond_wait.c                           |  9 ++-
 nptl/pthread_mutex_timedlock.c                     | 40 +++++++++---
 nptl/tst-abstime.c                                 |  2 +
 nptl/tst-mutex11.c                                 | 69 ++++++++++++++++++++
 nptl/tst-mutex5.c                                  | 37 ++++++++---
 nptl/tst-mutex9.c                                  | 24 +++++--
 sysdeps/nptl/pthread.h                             |  7 +++
 sysdeps/unix/sysv/linux/aarch64/libpthread.abilist |  1 +
 sysdeps/unix/sysv/linux/alpha/libpthread.abilist   |  1 +
 sysdeps/unix/sysv/linux/arm/libpthread.abilist     |  1 +
 sysdeps/unix/sysv/linux/csky/libpthread.abilist    |  1 +
 sysdeps/unix/sysv/linux/hppa/libpthread.abilist    |  1 +
 sysdeps/unix/sysv/linux/i386/libpthread.abilist    |  1 +
 sysdeps/unix/sysv/linux/ia64/libpthread.abilist    |  1 +
 .../sysv/linux/m68k/coldfire/libpthread.abilist    |  1 +
 .../unix/sysv/linux/m68k/m680x0/libpthread.abilist |  1 +
 .../unix/sysv/linux/microblaze/libpthread.abilist  |  1 +
 .../unix/sysv/linux/mips/mips32/libpthread.abilist |  1 +
 .../unix/sysv/linux/mips/mips64/libpthread.abilist |  1 +
 sysdeps/unix/sysv/linux/nios2/libpthread.abilist   |  1 +
 .../linux/powerpc/powerpc32/libpthread.abilist     |  1 +
 .../linux/powerpc/powerpc64/be/libpthread.abilist  |  1 +
 .../linux/powerpc/powerpc64/le/libpthread.abilist  |  1 +
 .../unix/sysv/linux/riscv/rv64/libpthread.abilist  |  1 +
 .../sysv/linux/s390/s390-32/libpthread.abilist     |  1 +
 .../sysv/linux/s390/s390-64/libpthread.abilist     |  1 +
 sysdeps/unix/sysv/linux/sh/libpthread.abilist      |  1 +
 .../sysv/linux/sparc/sparc32/libpthread.abilist    |  1 +
 .../sysv/linux/sparc/sparc64/libpthread.abilist    |  1 +
 .../unix/sysv/linux/x86_64/64/libpthread.abilist   |  1 +
 .../unix/sysv/linux/x86_64/x32/libpthread.abilist  |  1 +
 35 files changed, 264 insertions(+), 27 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index d177db6..b2397cb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,78 @@
 2019-06-21  Mike Crowe  <mac@mcrowe.com>
 
+	* sysdeps/nptl/pthread.h: Add pthread_mutex_clocklock.
+	* nptl/DESIGN-systemtap-probes.txt: Likewise.
+	* nptl/pthread_mutex_timedlock.c
+	(__pthread_mutex_clocklock_common): Rename from
+	__pthread_mutex_timedlock and add clockid parameter. Pass this
+	parameter to lll_clocklock and lll_clocklock_elision in place of
+	CLOCK_REALTIME. (__pthread_mutex_clocklock): New function to add
+	LIBC_PROBE and validate clockid parameter before calling
+	__pthread_mutex_clocklock_common. (__pthread_mutex_timedlock): New
+	implementation to add LIBC_PROBE and calls
+	__pthread_mutex_clocklock_common passing CLOCK_REALTIME as the
+	clockid.
+	* nptl/Makefile: Add tst-mutex11.c.
+	* nptl/tst-abstime.c (th): Add tests for pthread_mutex_clocklock.
+	* nptl/tst-mutex11.c: New tests for passing invalid and unsupported
+	clockid parameters to pthread_mutex_clocklock.
+	* nptl/tst-mutex5.c (do_test_clock): Rename from do_test and take
+	clockid parameter to indicate which clock to be used. Call
+	pthread_mutex_timedlock or pthread_mutex_clocklock as appropriate.
+	(do_test): Call do_test_clock to separately test
+	pthread_mutex_timedlock, pthread_mutex_clocklock(CLOCK_REALTIME)
+	and pthread_mutex_clocklock(CLOCK_MONOTONIC).
+	* nptl/tst-mutex9.c: Likewise.
+	* nptl/Versions (GLIBC_2.30): Add pthread_mutex_clocklock.
+	* sysdeps/unix/sysv/linux/aarch64/libpthread.abilist (GLIBC_2.30):
+	Likewise.
+	* sysdeps/unix/sysv/linux/alpha/libpthread.abilist (GLIBC_2.30):
+	Likewise.
+	* sysdeps/unix/sysv/linux/arm/libpthread.abilist (GLIBC_2.30):
+	Likewise.
+	* sysdeps/unix/sysv/linux/csky/libpthread.abilist (GLIBC_2.30):
+	Likewise.
+	* sysdeps/unix/sysv/linux/hppa/libpthread.abilist (GLIBC_2.30):
+	Likewise.
+	* sysdeps/unix/sysv/linux/i386/libpthread.abilist (GLIBC_2.30):
+	Likewise.
+	* sysdeps/unix/sysv/linux/ia64/libpthread.abilist (GLIBC_2.30):
+	Likewise.
+	* sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist
+	(GLIBC_2.30): Likewise.
+	* sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist
+	(GLIBC_2.30): Likewise.
+	* sysdeps/unix/sysv/linux/microblaze/libpthread.abilist
+	(GLIBC_2.30): Likewise.
+	* sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist
+	(GLIBC_2.30): Likewise.
+	* sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist
+	(GLIBC_2.30): Likewise.
+	* sysdeps/unix/sysv/linux/nios2/libpthread.abilist (GLIBC_2.30):
+	Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist
+	(GLIBC_2.30): Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist
+	(GLIBC_2.30): Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist
+	(GLIBC_2.30): Likewise.
+	* sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist
+	(GLIBC_2.30): Likewise.
+	* sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist
+	(GLIBC_2.30): Likewise.
+	* sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist
+	(GLIBC_2.30): Likewise.
+	* sysdeps/unix/sysv/linux/sh/libpthread.abilist (GLIBC_2.30):
+	Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist
+	(GLIBC_2.30): Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist
+	(GLIBC_2.30): Likewise.
+	* sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist
+	(GLIBC_2.30): Likewise.
+	* sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist
+	(GLIBC_2.30): Likewise.
+
 	* sysdeps/nptl/lowlevellock.h (lll_clocklock): Rename from
 	lll_timedlock and add clockid parameter. (__lll_clocklock): Rename
 	from __lll_timedlock and add clockid parameter.
diff --git a/nptl/DESIGN-systemtap-probes.txt b/nptl/DESIGN-systemtap-probes.txt
index ac972a9..6a62e25 100644
--- a/nptl/DESIGN-systemtap-probes.txt
+++ b/nptl/DESIGN-systemtap-probes.txt
@@ -32,6 +32,9 @@ mutex_entry   - probe for entry to the pthread_mutex_lock function
               arg1 = address of mutex lock
 mutex_timedlock_entry - probe for entry to the pthread_mutex_timedlock function
                       arg1 = address of mutex lock, arg2 = address of timespec
+mutex_clocklock_entry - probe for entry to the pthread_mutex_clocklock function
+                      arg1 = address of mutex lock, arg2 = clockid,
+		      arg3 = address of timespec
 mutex_release - probe for pthread_mutex_unlock after the successful release of a
                 mutex lock
               arg1 = address of mutex lock
diff --git a/nptl/Makefile b/nptl/Makefile
index d86513a..a2d25fb 100644
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -243,7 +243,7 @@ LDLIBS-tst-minstack-throw = -lstdc++
 
 tests = tst-attr1 tst-attr2 tst-attr3 tst-default-attr \
 	tst-mutex1 tst-mutex2 tst-mutex3 tst-mutex4 tst-mutex5 tst-mutex6 \
-	tst-mutex7 tst-mutex9 tst-mutex10 tst-mutex5a tst-mutex7a \
+	tst-mutex7 tst-mutex9 tst-mutex10 tst-mutex11 tst-mutex5a tst-mutex7a \
 	tst-mutex7robust tst-mutexpi1 tst-mutexpi2 tst-mutexpi3 tst-mutexpi4 \
 	tst-mutexpi5 tst-mutexpi5a tst-mutexpi6 tst-mutexpi7 tst-mutexpi7a \
 	tst-mutexpi9 \
diff --git a/nptl/Versions b/nptl/Versions
index ce79959..e903b84 100644
--- a/nptl/Versions
+++ b/nptl/Versions
@@ -280,6 +280,7 @@ libpthread {
   GLIBC_2.30 {
     sem_clockwait; pthread_cond_clockwait;
     pthread_rwlock_clockrdlock; pthread_rwlock_clockwrlock;
+    pthread_mutex_clocklock;
   }
 
   GLIBC_PRIVATE {
diff --git a/nptl/pthread_cond_wait.c b/nptl/pthread_cond_wait.c
index 558f930..68ec754 100644
--- a/nptl/pthread_cond_wait.c
+++ b/nptl/pthread_cond_wait.c
@@ -655,6 +655,10 @@ __pthread_cond_timedwait (pthread_cond_t *cond, pthread_mutex_t *mutex,
                     ? CLOCK_MONOTONIC : CLOCK_REALTIME;
   return __pthread_cond_wait_common (cond, mutex, clockid, abstime);
 }
+versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
+		  GLIBC_2_3_2);
+versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait,
+		  GLIBC_2_3_2);
 
 /* See __pthread_cond_wait_common.  */
 int
@@ -677,9 +681,4 @@ __pthread_cond_clockwait (pthread_cond_t *cond, pthread_mutex_t *mutex,
 
   return __pthread_cond_wait_common (cond, mutex, clockid, abstime);
 }
-
-versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
-		  GLIBC_2_3_2);
-versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait,
-		  GLIBC_2_3_2);
 weak_alias (__pthread_cond_clockwait, pthread_cond_clockwait);
diff --git a/nptl/pthread_mutex_timedlock.c b/nptl/pthread_mutex_timedlock.c
index 10a9989..52c258e 100644
--- a/nptl/pthread_mutex_timedlock.c
+++ b/nptl/pthread_mutex_timedlock.c
@@ -42,15 +42,14 @@
 #endif
 
 int
-__pthread_mutex_timedlock (pthread_mutex_t *mutex,
-			   const struct timespec *abstime)
+__pthread_mutex_clocklock_common (pthread_mutex_t *mutex,
+				  clockid_t clockid,
+				  const struct timespec *abstime)
 {
   int oldval;
   pid_t id = THREAD_GETMEM (THREAD_SELF, tid);
   int result = 0;
 
-  LIBC_PROBE (mutex_timedlock_entry, 2, mutex, abstime);
-
   /* We must not check ABSTIME here.  If the thread does not block
      abstime must not be checked for a valid value.  */
 
@@ -76,7 +75,7 @@ __pthread_mutex_timedlock (pthread_mutex_t *mutex,
 	}
 
       /* We have to get the mutex.  */
-      result = lll_clocklock (mutex->__data.__lock, CLOCK_REALTIME, abstime,
+      result = lll_clocklock (mutex->__data.__lock, clockid, abstime,
 			      PTHREAD_MUTEX_PSHARED (mutex));
 
       if (result != 0)
@@ -99,7 +98,7 @@ __pthread_mutex_timedlock (pthread_mutex_t *mutex,
       FORCE_ELISION (mutex, goto elision);
     simple:
       /* Normal mutex.  */
-      result = lll_clocklock (mutex->__data.__lock, CLOCK_REALTIME, abstime,
+      result = lll_clocklock (mutex->__data.__lock, clockid, abstime,
 			      PTHREAD_MUTEX_PSHARED (mutex));
       break;
 
@@ -108,7 +107,7 @@ __pthread_mutex_timedlock (pthread_mutex_t *mutex,
       /* Don't record ownership */
       return lll_clocklock_elision (mutex->__data.__lock,
 				    mutex->__data.__spins,
-				    CLOCK_REALTIME, abstime,
+				    clockid, abstime,
 				    PTHREAD_MUTEX_PSHARED (mutex));
 
 
@@ -126,7 +125,7 @@ __pthread_mutex_timedlock (pthread_mutex_t *mutex,
 	      if (cnt++ >= max_cnt)
 		{
 		  result = lll_clocklock (mutex->__data.__lock,
-					  CLOCK_REALTIME, abstime,
+					  clockid, abstime,
 					  PTHREAD_MUTEX_PSHARED (mutex));
 		  break;
 		}
@@ -269,7 +268,7 @@ __pthread_mutex_timedlock (pthread_mutex_t *mutex,
 
 	  /* Block using the futex.  */
 	  int err = lll_futex_clock_wait_bitset (&mutex->__data.__lock,
-	      oldval, CLOCK_REALTIME, abstime,
+	      oldval, clockid, abstime,
 	      PTHREAD_ROBUST_MUTEX_PSHARED (mutex));
 	  /* The futex call timed out.  */
 	  if (err == -ETIMEDOUT)
@@ -405,7 +404,7 @@ __pthread_mutex_timedlock (pthread_mutex_t *mutex,
 		    struct timespec reltime;
 		    struct timespec now;
 
-		    INTERNAL_SYSCALL (clock_gettime, __err, 2, CLOCK_REALTIME,
+		    INTERNAL_SYSCALL (clock_gettime, __err, 2, clockid,
 				      &now);
 		    reltime.tv_sec = abstime->tv_sec - now.tv_sec;
 		    reltime.tv_nsec = abstime->tv_nsec - now.tv_nsec;
@@ -623,4 +622,25 @@ __pthread_mutex_timedlock (pthread_mutex_t *mutex,
  out:
   return result;
 }
+
+int
+__pthread_mutex_clocklock (pthread_mutex_t *mutex,
+			   clockid_t clockid,
+			   const struct timespec *abstime)
+{
+  if (__glibc_unlikely (!lll_futex_supported_clockid (clockid)))
+    return EINVAL;
+
+  LIBC_PROBE (mutex_clocklock_entry, 3, mutex, clockid, abstime);
+  return __pthread_mutex_clocklock_common (mutex, clockid, abstime);
+}
+weak_alias (__pthread_mutex_clocklock, pthread_mutex_clocklock)
+
+int
+__pthread_mutex_timedlock (pthread_mutex_t *mutex,
+			   const struct timespec *abstime)
+{
+  LIBC_PROBE (mutex_timedlock_entry, 2, mutex, abstime);
+  return __pthread_mutex_clocklock_common (mutex, CLOCK_REALTIME, abstime);
+}
 weak_alias (__pthread_mutex_timedlock, pthread_mutex_timedlock)
diff --git a/nptl/tst-abstime.c b/nptl/tst-abstime.c
index c5040c5..30dea4d 100644
--- a/nptl/tst-abstime.c
+++ b/nptl/tst-abstime.c
@@ -36,6 +36,8 @@ th (void *arg)
   struct timespec t = { -2, 0 };
 
   TEST_COMPARE (pthread_mutex_timedlock (&m1, &t), ETIMEDOUT);
+  TEST_COMPARE (pthread_mutex_clocklock (&m1, CLOCK_REALTIME, &t), ETIMEDOUT);
+  TEST_COMPARE (pthread_mutex_clocklock (&m1, CLOCK_MONOTONIC, &t), ETIMEDOUT);
   TEST_COMPARE (pthread_rwlock_timedrdlock (&rw1, &t), ETIMEDOUT);
   TEST_COMPARE (pthread_rwlock_timedwrlock (&rw2, &t), ETIMEDOUT);
   TEST_COMPARE (pthread_rwlock_clockrdlock (&rw1, CLOCK_REALTIME, &t),
diff --git a/nptl/tst-mutex11.c b/nptl/tst-mutex11.c
new file mode 100644
index 0000000..91f4281
--- /dev/null
+++ b/nptl/tst-mutex11.c
@@ -0,0 +1,69 @@
+/* Test unsupported/bad clocks passed to pthread_mutex_clocklock.
+
+   Copyright (C) 2019 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <time.h>
+#include <unistd.h>
+#include <support/check.h>
+
+static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;
+
+static void test_bad_clockid (clockid_t clockid)
+{
+  const struct timespec ts = {0,0};
+  TEST_COMPARE (pthread_mutex_clocklock (&mut, clockid, &ts), EINVAL);
+}
+
+#define NOT_A_VALID_CLOCK 123456
+
+static int
+do_test (void)
+{
+  /* These clocks are meaningless to pthread_mutex_clocklock. */
+#if defined(CLOCK_PROCESS_CPUTIME_ID)
+  test_bad_clockid (CLOCK_PROCESS_CPUTIME_ID);
+#endif
+#if defined(CLOCK_THREAD_CPUTIME_ID)
+  test_bad_clockid (CLOCK_PROCESS_CPUTIME_ID);
+#endif
+
+  /* These clocks might be meaningful, but are currently unsupported
+     by pthread_mutex_clocklock. */
+#if defined(CLOCK_REALTIME_COARSE)
+  test_bad_clockid (CLOCK_REALTIME_COARSE);
+#endif
+#if defined(CLOCK_MONOTONIC_RAW)
+  test_bad_clockid (CLOCK_MONOTONIC_RAW);
+#endif
+#if defined(CLOCK_MONOTONIC_COARSE)
+  test_bad_clockid (CLOCK_MONOTONIC_COARSE);
+#endif
+#if defined(CLOCK_BOOTTIME)
+  test_bad_clockid (CLOCK_BOOTTIME);
+#endif
+
+  /* This is a completely invalid clock. */
+  test_bad_clockid (NOT_A_VALID_CLOCK);
+
+  return 0;
+}
+
+#include <support/test-driver.c>
diff --git a/nptl/tst-mutex5.c b/nptl/tst-mutex5.c
index fb27152..7e236ad 100644
--- a/nptl/tst-mutex5.c
+++ b/nptl/tst-mutex5.c
@@ -32,12 +32,17 @@
 # define TYPE PTHREAD_MUTEX_NORMAL
 #endif
 
+/* A bogus clock value that tells run_test to use
+   pthread_mutex_timedlock rather than pthread_mutex_clocklock.  */
+#define CLOCK_USE_TIMEDLOCK (-1)
 
 static int
-do_test (void)
+do_test_clock (clockid_t clockid, const char *fnname)
 {
   pthread_mutex_t m;
   pthread_mutexattr_t a;
+  const clockid_t clockid_for_get =
+    (clockid == CLOCK_USE_TIMEDLOCK) ? CLOCK_REALTIME : clockid;
 
   TEST_COMPARE (pthread_mutexattr_init (&a), 0);
   TEST_COMPARE (pthread_mutexattr_settype (&a, TYPE), 0);
@@ -62,16 +67,23 @@ do_test (void)
     FAIL_EXIT1 ("mutex_trylock succeeded");
 
   /* Wait 2 seconds.  */
-  struct timespec ts_timeout = timespec_add (xclock_now (CLOCK_REALTIME),
+  struct timespec ts_timeout = timespec_add (xclock_now (clockid_for_get),
                                              make_timespec (2, 0));
 
-  TEST_COMPARE (pthread_mutex_timedlock (&m, &ts_timeout), ETIMEDOUT);
-  TEST_TIMESPEC_BEFORE_NOW (ts_timeout, CLOCK_REALTIME);
+  if (clockid == CLOCK_USE_TIMEDLOCK)
+    TEST_COMPARE (pthread_mutex_timedlock (&m, &ts_timeout), ETIMEDOUT);
+  else
+    TEST_COMPARE (pthread_mutex_clocklock (&m, clockid, &ts_timeout),
+		  ETIMEDOUT);
+  TEST_TIMESPEC_BEFORE_NOW (ts_timeout, clockid_for_get);
 
   /* The following makes the ts value invalid.  */
   ts_timeout.tv_nsec += 1000000000;
 
-  TEST_COMPARE (pthread_mutex_timedlock (&m, &ts_timeout), EINVAL);
+  if (clockid == CLOCK_USE_TIMEDLOCK)
+    TEST_COMPARE (pthread_mutex_timedlock (&m, &ts_timeout), EINVAL);
+  else
+    TEST_COMPARE (pthread_mutex_clocklock (&m, clockid, &ts_timeout), EINVAL);
   TEST_COMPARE (pthread_mutex_unlock (&m), 0);
 
   const struct timespec ts_start = xclock_now (CLOCK_REALTIME);
@@ -79,9 +91,12 @@ do_test (void)
   /* Wait 2 seconds.  */
   ts_timeout = timespec_add (ts_start, make_timespec (2, 0));
 
-  TEST_COMPARE (pthread_mutex_timedlock (&m, &ts_timeout), 0);
+  if (clockid == CLOCK_USE_TIMEDLOCK)
+    TEST_COMPARE (pthread_mutex_timedlock (&m, &ts_timeout), 0);
+  else
+    TEST_COMPARE (pthread_mutex_clocklock (&m, clockid, &ts_timeout), 0);
 
-  const struct timespec ts_end = xclock_now (CLOCK_REALTIME);
+  const struct timespec ts_end = xclock_now (clockid_for_get);
 
   /* Check that timedlock didn't delay.  We use a limit of 0.1 secs.  */
   TEST_TIMESPEC_BEFORE (ts_end,
@@ -93,4 +108,12 @@ do_test (void)
   return 0;
 }
 
+static int do_test (void)
+{
+  do_test_clock (CLOCK_USE_TIMEDLOCK, "timedlock");
+  do_test_clock (CLOCK_REALTIME, "clocklock(realtime)");
+  do_test_clock (CLOCK_MONOTONIC, "clocklock(monotonic)");
+  return 0;
+}
+
 #include <support/test-driver.c>
diff --git a/nptl/tst-mutex9.c b/nptl/tst-mutex9.c
index e9fd8e2..0c65c12 100644
--- a/nptl/tst-mutex9.c
+++ b/nptl/tst-mutex9.c
@@ -31,9 +31,15 @@
 #include <support/xunistd.h>
 
 
-static int
-do_test (void)
+/* A bogus clock value that tells run_test to use
+   pthread_mutex_timedlock rather than pthread_mutex_clocklock.  */
+#define CLOCK_USE_TIMEDLOCK (-1)
+
+static void
+do_test_clock (clockid_t clockid)
 {
+  const clockid_t clockid_for_get =
+    (clockid == CLOCK_USE_TIMEDLOCK) ? CLOCK_REALTIME : clockid;
   size_t ps = sysconf (_SC_PAGESIZE);
   char tmpfname[] = "/tmp/tst-mutex9.XXXXXX";
   char data[ps];
@@ -95,10 +101,13 @@ do_test (void)
       if (pthread_mutex_unlock (m) == 0)
         FAIL_EXIT1 ("child: mutex_unlock succeeded");
 
-      const struct timespec ts = timespec_add (xclock_now (CLOCK_REALTIME),
+      const struct timespec ts = timespec_add (xclock_now (clockid_for_get),
                                                make_timespec (0, 500000000));
 
-      TEST_COMPARE (pthread_mutex_timedlock (m, &ts), ETIMEDOUT);
+      if (clockid == CLOCK_USE_TIMEDLOCK)
+        TEST_COMPARE (pthread_mutex_timedlock (m, &ts), ETIMEDOUT);
+      else
+        TEST_COMPARE (pthread_mutex_clocklock (m, clockid, &ts), ETIMEDOUT);
 
       alarm (1);
 
@@ -117,7 +126,14 @@ do_test (void)
   if (! WIFSIGNALED (status))
     FAIL_EXIT1 ("child not killed by signal");
   TEST_COMPARE (WTERMSIG (status), SIGALRM);
+}
 
+static int
+do_test (void)
+{
+  do_test_clock (CLOCK_USE_TIMEDLOCK);
+  do_test_clock (CLOCK_REALTIME);
+  do_test_clock (CLOCK_MONOTONIC);
   return 0;
 }
 
diff --git a/sysdeps/nptl/pthread.h b/sysdeps/nptl/pthread.h
index e78003e..a767d6f 100644
--- a/sysdeps/nptl/pthread.h
+++ b/sysdeps/nptl/pthread.h
@@ -770,6 +770,13 @@ extern int pthread_mutex_timedlock (pthread_mutex_t *__restrict __mutex,
 				    __abstime) __THROWNL __nonnull ((1, 2));
 #endif
 
+#ifdef __USE_GNU
+extern int pthread_mutex_clocklock (pthread_mutex_t *__restrict __mutex,
+				    clockid_t __clockid,
+				    const struct timespec *__restrict
+				    __abstime) __THROWNL __nonnull ((1, 3));
+#endif
+
 /* Unlock a mutex.  */
 extern int pthread_mutex_unlock (pthread_mutex_t *__mutex)
      __THROWNL __nonnull ((1));
diff --git a/sysdeps/unix/sysv/linux/aarch64/libpthread.abilist b/sysdeps/unix/sysv/linux/aarch64/libpthread.abilist
index 9f65baf..69f48bf 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libpthread.abilist
@@ -244,6 +244,7 @@ GLIBC_2.28 tss_delete F
 GLIBC_2.28 tss_get F
 GLIBC_2.28 tss_set F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/alpha/libpthread.abilist b/sysdeps/unix/sysv/linux/alpha/libpthread.abilist
index bc29a66..7aa6416 100644
--- a/sysdeps/unix/sysv/linux/alpha/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libpthread.abilist
@@ -256,6 +256,7 @@ GLIBC_2.3.4 pthread_getaffinity_np F
 GLIBC_2.3.4 pthread_setaffinity_np F
 GLIBC_2.3.4 pthread_setschedprio F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/arm/libpthread.abilist b/sysdeps/unix/sysv/linux/arm/libpthread.abilist
index a2be572..3d2287b 100644
--- a/sysdeps/unix/sysv/linux/arm/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/arm/libpthread.abilist
@@ -28,6 +28,7 @@ GLIBC_2.28 tss_delete F
 GLIBC_2.28 tss_get F
 GLIBC_2.28 tss_set F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/csky/libpthread.abilist b/sysdeps/unix/sysv/linux/csky/libpthread.abilist
index c3a1834..52373fc 100644
--- a/sysdeps/unix/sysv/linux/csky/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/csky/libpthread.abilist
@@ -234,6 +234,7 @@ GLIBC_2.29 wait F
 GLIBC_2.29 waitpid F
 GLIBC_2.29 write F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/hppa/libpthread.abilist b/sysdeps/unix/sysv/linux/hppa/libpthread.abilist
index 2a00ebc..d11e150 100644
--- a/sysdeps/unix/sysv/linux/hppa/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libpthread.abilist
@@ -246,6 +246,7 @@ GLIBC_2.3.4 pthread_getaffinity_np F
 GLIBC_2.3.4 pthread_setaffinity_np F
 GLIBC_2.3.4 pthread_setschedprio F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/i386/libpthread.abilist b/sysdeps/unix/sysv/linux/i386/libpthread.abilist
index 4479947..1b385ca 100644
--- a/sysdeps/unix/sysv/linux/i386/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libpthread.abilist
@@ -254,6 +254,7 @@ GLIBC_2.3.4 pthread_getaffinity_np F
 GLIBC_2.3.4 pthread_setaffinity_np F
 GLIBC_2.3.4 pthread_setschedprio F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/ia64/libpthread.abilist b/sysdeps/unix/sysv/linux/ia64/libpthread.abilist
index 40a1faf..bde9948 100644
--- a/sysdeps/unix/sysv/linux/ia64/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/ia64/libpthread.abilist
@@ -248,6 +248,7 @@ GLIBC_2.3.4 pthread_getaffinity_np F
 GLIBC_2.3.4 pthread_setaffinity_np F
 GLIBC_2.3.4 pthread_setschedprio F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist
index a2be572..3d2287b 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist
@@ -28,6 +28,7 @@ GLIBC_2.28 tss_delete F
 GLIBC_2.28 tss_get F
 GLIBC_2.28 tss_set F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist
index 4479947..1b385ca 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist
@@ -254,6 +254,7 @@ GLIBC_2.3.4 pthread_getaffinity_np F
 GLIBC_2.3.4 pthread_setaffinity_np F
 GLIBC_2.3.4 pthread_setschedprio F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/microblaze/libpthread.abilist b/sysdeps/unix/sysv/linux/microblaze/libpthread.abilist
index 254b708..f0365f3 100644
--- a/sysdeps/unix/sysv/linux/microblaze/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/libpthread.abilist
@@ -244,6 +244,7 @@ GLIBC_2.28 tss_delete F
 GLIBC_2.28 tss_get F
 GLIBC_2.28 tss_set F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist b/sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist
index 29ffdd1..b1dff8e 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist
@@ -256,6 +256,7 @@ GLIBC_2.3.4 pthread_getaffinity_np F
 GLIBC_2.3.4 pthread_setaffinity_np F
 GLIBC_2.3.4 pthread_setschedprio F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist b/sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist
index 29ffdd1..b1dff8e 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist
@@ -256,6 +256,7 @@ GLIBC_2.3.4 pthread_getaffinity_np F
 GLIBC_2.3.4 pthread_setaffinity_np F
 GLIBC_2.3.4 pthread_setschedprio F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/nios2/libpthread.abilist b/sysdeps/unix/sysv/linux/nios2/libpthread.abilist
index 3fae328..0150ea3 100644
--- a/sysdeps/unix/sysv/linux/nios2/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/nios2/libpthread.abilist
@@ -242,6 +242,7 @@ GLIBC_2.28 tss_delete F
 GLIBC_2.28 tss_get F
 GLIBC_2.28 tss_set F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist
index a90010d..9e71e17 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist
@@ -256,6 +256,7 @@ GLIBC_2.3.4 pthread_setaffinity_np F
 GLIBC_2.3.4 pthread_setschedprio F
 GLIBC_2.3.4 siglongjmp F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist
index 339eab8..393ec87 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist
@@ -247,6 +247,7 @@ GLIBC_2.3.4 pthread_setaffinity_np F
 GLIBC_2.3.4 pthread_setschedprio F
 GLIBC_2.3.4 siglongjmp F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist
index 9f65baf..69f48bf 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist
@@ -244,6 +244,7 @@ GLIBC_2.28 tss_delete F
 GLIBC_2.28 tss_get F
 GLIBC_2.28 tss_set F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist
index 83082fb..7dab4e5 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist
@@ -236,6 +236,7 @@ GLIBC_2.28 tss_delete F
 GLIBC_2.28 tss_get F
 GLIBC_2.28 tss_set F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist
index 54e937b..7db2a0c 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist
@@ -256,6 +256,7 @@ GLIBC_2.3.4 pthread_getaffinity_np F
 GLIBC_2.3.4 pthread_setaffinity_np F
 GLIBC_2.3.4 pthread_setschedprio F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist
index 87f978b..7c10bb2 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist
@@ -248,6 +248,7 @@ GLIBC_2.3.4 pthread_getaffinity_np F
 GLIBC_2.3.4 pthread_setaffinity_np F
 GLIBC_2.3.4 pthread_setschedprio F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/sh/libpthread.abilist b/sysdeps/unix/sysv/linux/sh/libpthread.abilist
index 2a00ebc..d11e150 100644
--- a/sysdeps/unix/sysv/linux/sh/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/sh/libpthread.abilist
@@ -246,6 +246,7 @@ GLIBC_2.3.4 pthread_getaffinity_np F
 GLIBC_2.3.4 pthread_setaffinity_np F
 GLIBC_2.3.4 pthread_setschedprio F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist
index bc29a66..7aa6416 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist
@@ -256,6 +256,7 @@ GLIBC_2.3.4 pthread_getaffinity_np F
 GLIBC_2.3.4 pthread_setaffinity_np F
 GLIBC_2.3.4 pthread_setschedprio F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist
index 40a1faf..bde9948 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist
@@ -248,6 +248,7 @@ GLIBC_2.3.4 pthread_getaffinity_np F
 GLIBC_2.3.4 pthread_setaffinity_np F
 GLIBC_2.3.4 pthread_setschedprio F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist
index 70f04cc..c5ecb12 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist
@@ -246,6 +246,7 @@ GLIBC_2.3.4 pthread_getaffinity_np F
 GLIBC_2.3.4 pthread_setaffinity_np F
 GLIBC_2.3.4 pthread_setschedprio F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist
index 92cd2f4..a7ff3fb 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist
@@ -244,6 +244,7 @@ GLIBC_2.28 tss_delete F
 GLIBC_2.28 tss_get F
 GLIBC_2.28 tss_set F
 GLIBC_2.30 pthread_cond_clockwait F
+GLIBC_2.30 pthread_mutex_clocklock F
 GLIBC_2.30 pthread_rwlock_clockrdlock F
 GLIBC_2.30 pthread_rwlock_clockwrlock F
 GLIBC_2.30 sem_clockwait F


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