nptl: Add pthread_clockjoin_np

Introduce pthread_clockjoin_np as a version of pthread_timedjoin_np that
accepts a clockid_t parameter to indicate which clock the timeout should be
measured against. This mirrors the recently-added POSIX-proposed "clock"
wait functions.

Checked on x86_64-linux-gnu.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>

28 files changed, 38 insertions, 0 deletions

diff --git a/sysdeps/nptl/pthread.h b/sysdeps/nptl/pthread.h
index 467b446aca..d2fe6b7479 100644
--- a/sysdeps/nptl/pthread.h
+++ b/sysdeps/nptl/pthread.h
@@ -263,6 +263,17 @@ extern int pthread_tryjoin_np (pthread_t __th, void **__thread_return) __THROW;
    __THROW.  */
 extern int pthread_timedjoin_np (pthread_t __th, void **__thread_return,
 				 const struct timespec *__abstime);
+
+/* Make calling thread wait for termination of the thread TH, but only
+   until TIMEOUT measured against the clock specified by CLOCKID.  The
+   exit status of the thread is stored in *THREAD_RETURN, if
+   THREAD_RETURN is not NULL.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern int pthread_clockjoin_np (pthread_t __th, void **__thread_return,
+                                 clockid_t clockid,
+				 const struct timespec *__abstime);
 #endif
 
 /* Indicate that the thread TH is never to be joined with PTHREAD_JOIN.
diff --git a/sysdeps/unix/sysv/linux/aarch64/libpthread.abilist b/sysdeps/unix/sysv/linux/aarch64/libpthread.abilist
index cf5df610a1..e6e6489b02 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libpthread.abilist
@@ -236,3 +236,4 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
diff --git a/sysdeps/unix/sysv/linux/alpha/libpthread.abilist b/sysdeps/unix/sysv/linux/alpha/libpthread.abilist
index f9d5e4a3c1..89e129aa1e 100644
--- a/sysdeps/unix/sysv/linux/alpha/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libpthread.abilist
@@ -248,6 +248,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 pthread_mutex_consistent_np F
 GLIBC_2.4 pthread_mutex_getprioceiling F
 GLIBC_2.4 pthread_mutex_setprioceiling F
diff --git a/sysdeps/unix/sysv/linux/arm/be/libpthread.abilist b/sysdeps/unix/sysv/linux/arm/be/libpthread.abilist
index e164199804..1961bd0da0 100644
--- a/sysdeps/unix/sysv/linux/arm/be/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/libpthread.abilist
@@ -32,6 +32,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 _IO_flockfile F
 GLIBC_2.4 _IO_ftrylockfile F
 GLIBC_2.4 _IO_funlockfile F
diff --git a/sysdeps/unix/sysv/linux/arm/le/libpthread.abilist b/sysdeps/unix/sysv/linux/arm/le/libpthread.abilist
index e164199804..1961bd0da0 100644
--- a/sysdeps/unix/sysv/linux/arm/le/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/libpthread.abilist
@@ -32,6 +32,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 _IO_flockfile F
 GLIBC_2.4 _IO_ftrylockfile F
 GLIBC_2.4 _IO_funlockfile F
diff --git a/sysdeps/unix/sysv/linux/csky/libpthread.abilist b/sysdeps/unix/sysv/linux/csky/libpthread.abilist
index 07a4af8833..259f6a8ff3 100644
--- a/sysdeps/unix/sysv/linux/csky/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/csky/libpthread.abilist
@@ -229,3 +229,4 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
diff --git a/sysdeps/unix/sysv/linux/hppa/libpthread.abilist b/sysdeps/unix/sysv/linux/hppa/libpthread.abilist
index b82e3d69e0..c03a4a6731 100644
--- a/sysdeps/unix/sysv/linux/hppa/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libpthread.abilist
@@ -238,6 +238,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 pthread_mutex_consistent_np F
 GLIBC_2.4 pthread_mutex_getprioceiling F
 GLIBC_2.4 pthread_mutex_setprioceiling F
diff --git a/sysdeps/unix/sysv/linux/i386/libpthread.abilist b/sysdeps/unix/sysv/linux/i386/libpthread.abilist
index 0684d80ce3..831cdecca4 100644
--- a/sysdeps/unix/sysv/linux/i386/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libpthread.abilist
@@ -246,6 +246,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 pthread_mutex_consistent_np F
 GLIBC_2.4 pthread_mutex_getprioceiling F
 GLIBC_2.4 pthread_mutex_setprioceiling F
diff --git a/sysdeps/unix/sysv/linux/ia64/libpthread.abilist b/sysdeps/unix/sysv/linux/ia64/libpthread.abilist
index 0b35e50202..7609d56186 100644
--- a/sysdeps/unix/sysv/linux/ia64/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/ia64/libpthread.abilist
@@ -240,6 +240,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 pthread_mutex_consistent_np F
 GLIBC_2.4 pthread_mutex_getprioceiling F
 GLIBC_2.4 pthread_mutex_setprioceiling F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist
index e164199804..1961bd0da0 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist
@@ -32,6 +32,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 _IO_flockfile F
 GLIBC_2.4 _IO_ftrylockfile F
 GLIBC_2.4 _IO_funlockfile F
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist
index 0684d80ce3..831cdecca4 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist
@@ -246,6 +246,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 pthread_mutex_consistent_np F
 GLIBC_2.4 pthread_mutex_getprioceiling F
 GLIBC_2.4 pthread_mutex_setprioceiling F
diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libpthread.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libpthread.abilist
index 57bd0a433c..269cd0994f 100644
--- a/sysdeps/unix/sysv/linux/microblaze/be/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/be/libpthread.abilist
@@ -236,3 +236,4 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libpthread.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libpthread.abilist
index 57bd0a433c..269cd0994f 100644
--- a/sysdeps/unix/sysv/linux/microblaze/le/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/le/libpthread.abilist
@@ -236,3 +236,4 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist b/sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist
index 67292c8e0b..d3288b4ab3 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist
@@ -247,6 +247,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 pthread_mutex_consistent_np F
 GLIBC_2.4 pthread_mutex_getprioceiling F
 GLIBC_2.4 pthread_mutex_setprioceiling F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist b/sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist
index 67292c8e0b..d3288b4ab3 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist
@@ -247,6 +247,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 pthread_mutex_consistent_np F
 GLIBC_2.4 pthread_mutex_getprioceiling F
 GLIBC_2.4 pthread_mutex_setprioceiling F
diff --git a/sysdeps/unix/sysv/linux/nios2/libpthread.abilist b/sysdeps/unix/sysv/linux/nios2/libpthread.abilist
index 3d47f9d21d..961cd4a60c 100644
--- a/sysdeps/unix/sysv/linux/nios2/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/nios2/libpthread.abilist
@@ -236,3 +236,4 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist
index 322f6da202..66845c2e1e 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist
@@ -248,6 +248,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 pthread_mutex_consistent_np F
 GLIBC_2.4 pthread_mutex_getprioceiling F
 GLIBC_2.4 pthread_mutex_setprioceiling F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist
index 62ce0edb0c..143ed2dc7b 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist
@@ -239,6 +239,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 pthread_mutex_consistent_np F
 GLIBC_2.4 pthread_mutex_getprioceiling F
 GLIBC_2.4 pthread_mutex_setprioceiling F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist
index cf5df610a1..e6e6489b02 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist
@@ -236,3 +236,4 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist
index b4d4528fc7..b52721ca6f 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist
@@ -231,3 +231,4 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist
index c8f0cda05c..caf7f79355 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist
@@ -248,6 +248,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 pthread_mutex_consistent_np F
 GLIBC_2.4 pthread_mutex_getprioceiling F
 GLIBC_2.4 pthread_mutex_setprioceiling F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist
index 9887db4c70..9e12e9b3a9 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist
@@ -240,6 +240,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 pthread_mutex_consistent_np F
 GLIBC_2.4 pthread_mutex_getprioceiling F
 GLIBC_2.4 pthread_mutex_setprioceiling F
diff --git a/sysdeps/unix/sysv/linux/sh/be/libpthread.abilist b/sysdeps/unix/sysv/linux/sh/be/libpthread.abilist
index b82e3d69e0..c03a4a6731 100644
--- a/sysdeps/unix/sysv/linux/sh/be/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/sh/be/libpthread.abilist
@@ -238,6 +238,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 pthread_mutex_consistent_np F
 GLIBC_2.4 pthread_mutex_getprioceiling F
 GLIBC_2.4 pthread_mutex_setprioceiling F
diff --git a/sysdeps/unix/sysv/linux/sh/le/libpthread.abilist b/sysdeps/unix/sysv/linux/sh/le/libpthread.abilist
index b82e3d69e0..c03a4a6731 100644
--- a/sysdeps/unix/sysv/linux/sh/le/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/sh/le/libpthread.abilist
@@ -238,6 +238,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 pthread_mutex_consistent_np F
 GLIBC_2.4 pthread_mutex_getprioceiling F
 GLIBC_2.4 pthread_mutex_setprioceiling F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist
index f9d5e4a3c1..89e129aa1e 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist
@@ -248,6 +248,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 pthread_mutex_consistent_np F
 GLIBC_2.4 pthread_mutex_getprioceiling F
 GLIBC_2.4 pthread_mutex_setprioceiling F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist
index 0b35e50202..7609d56186 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist
@@ -240,6 +240,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 pthread_mutex_consistent_np F
 GLIBC_2.4 pthread_mutex_getprioceiling F
 GLIBC_2.4 pthread_mutex_setprioceiling F
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist
index c3444b77a9..39f807bb5f 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist
@@ -238,6 +238,7 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F
 GLIBC_2.4 pthread_mutex_consistent_np F
 GLIBC_2.4 pthread_mutex_getprioceiling F
 GLIBC_2.4 pthread_mutex_setprioceiling F
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist
index 4ede0036a5..21191a7aa0 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist
@@ -236,3 +236,4 @@ 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
+GLIBC_2.31 pthread_clockjoin_np F