[CI-NOTIFY]: TCWG Bisect tcwg_bmk_tk1/gnu-master-arm-spec2k6-O2 - Build # 15 - Successful!

10 Jul 2021

Successfully identified regression in *glibc* in CI configuration tcwg_bmk_gnu_tk1/gnu-master-arm-spec2k6-O2.  So far, this commit has regressed CI configurations:
 - tcwg_bmk_gnu_tk1/gnu-master-arm-spec2k6-O2
Culprit:
<cut>
commit 2da5f22fff639e891b9f516724683d9d7ad1511c
Author: Florian Weimer fweimer@redhat.com
Date:   Fri Jun 25 10:42:52 2021 +0200
Linux: Move mq_notify from librt to libc
The symbol was moved using scripts/move-symbol-to-libc.py.
An explicit call from fork into the mq_notify implementation replaces
    the previous use of pthread_atfork.
Reviewed-by: Adhemerva Zanella  adhemerval.zanella@linaro.org
</cut>
Results regressed to (for first_bad == 2da5f22fff639e891b9f516724683d9d7ad1511c)
# reset_artifacts:
-10
# build_abe binutils:
-9
# build_abe stage1 -- --set gcc_override_configure=--with-mode=arm --set gcc_override_configure=--disable-libsanitizer:
-8
# build_abe linux:
-7
# build_abe glibc:
-6
# build_abe stage2 -- --set gcc_override_configure=--with-mode=arm --set gcc_override_configure=--disable-libsanitizer:
-5
# true:
0
# benchmark -O2_marm -- artifacts/build-2da5f22fff639e891b9f516724683d9d7ad1511c/results_id:
1
# 481.wrf,[.] __module_small_step_em_MOD_advance_uv             regressed by 117
from (for last_good == f66d9abca7ecc4ee4c7afcc1d1496411bfc70911)
# reset_artifacts:
-10
# build_abe binutils:
-9
# build_abe stage1 -- --set gcc_override_configure=--with-mode=arm --set gcc_override_configure=--disable-libsanitizer:
-8
# build_abe linux:
-7
# build_abe glibc:
-6
# build_abe stage2 -- --set gcc_override_configure=--with-mode=arm --set gcc_override_configure=--disable-libsanitizer:
-5
# true:
0
# benchmark -O2_marm -- artifacts/build-f66d9abca7ecc4ee4c7afcc1d1496411bfc70911/results_id:
1
Artifacts of last_good build: https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tk1-gnu-master-arm...
Results ID of last_good: tk1_32/tcwg_bmk_gnu_tk1/bisect-gnu-master-arm-spec2k6-O2/1284
Artifacts of first_bad build: https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tk1-gnu-master-arm...
Results ID of first_bad: tk1_32/tcwg_bmk_gnu_tk1/bisect-gnu-master-arm-spec2k6-O2/1277
Build top page/logs: https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tk1-gnu-master-arm...
Configuration details:
Reproduce builds:
<cut>
mkdir investigate-glibc-2da5f22fff639e891b9f516724683d9d7ad1511c
cd investigate-glibc-2da5f22fff639e891b9f516724683d9d7ad1511c
git clone https://git.linaro.org/toolchain/jenkins-scripts
mkdir -p artifacts/manifests
curl -o artifacts/manifests/build-baseline.sh https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tk1-gnu-master-arm... --fail
curl -o artifacts/manifests/build-parameters.sh https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tk1-gnu-master-arm... --fail
curl -o artifacts/test.sh https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tk1-gnu-master-arm... --fail
chmod +x artifacts/test.sh
# Reproduce the baseline build (build all pre-requisites)
./jenkins-scripts/tcwg_bmk-build.sh @@ artifacts/manifests/build-baseline.sh
cd glibc
# Reproduce first_bad build
git checkout --detach 2da5f22fff639e891b9f516724683d9d7ad1511c
../artifacts/test.sh
# Reproduce last_good build
git checkout --detach f66d9abca7ecc4ee4c7afcc1d1496411bfc70911
../artifacts/test.sh
cd ..
</cut>
History of pending regressions and results: https://git.linaro.org/toolchain/ci/base-artifacts.git/log/?h=linaro-local/c...
Artifacts: https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tk1-gnu-master-arm...
Build log: https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tk1-gnu-master-arm...
Full commit (up to 1000 lines):
<cut>
commit 2da5f22fff639e891b9f516724683d9d7ad1511c
Author: Florian Weimer fweimer@redhat.com
Date:   Fri Jun 25 10:42:52 2021 +0200
Linux: Move mq_notify from librt to libc
The symbol was moved using scripts/move-symbol-to-libc.py.
An explicit call from fork into the mq_notify implementation replaces
    the previous use of pthread_atfork.
Reviewed-by: Adhemerva Zanella  adhemerval.zanella@linaro.org
---
 include/mqueue.h                                   |  4 ++
 include/pthread.h                                  |  3 ++
 rt/Makefile                                        |  2 +-
 rt/Versions                                        |  4 +-
 sysdeps/nptl/fork.h                                |  3 ++
 sysdeps/unix/sysv/linux/aarch64/libc.abilist       |  2 +
 sysdeps/unix/sysv/linux/aarch64/librt.abilist      |  1 -
 sysdeps/unix/sysv/linux/alpha/libc.abilist         |  2 +
 sysdeps/unix/sysv/linux/alpha/librt.abilist        |  1 -
 sysdeps/unix/sysv/linux/arc/libc.abilist           |  2 +
 sysdeps/unix/sysv/linux/arc/librt.abilist          |  1 -
 sysdeps/unix/sysv/linux/arm/be/libc.abilist        |  2 +
 sysdeps/unix/sysv/linux/arm/be/librt.abilist       |  1 -
 sysdeps/unix/sysv/linux/arm/le/libc.abilist        |  2 +
 sysdeps/unix/sysv/linux/arm/le/librt.abilist       |  1 -
 sysdeps/unix/sysv/linux/csky/libc.abilist          |  2 +
 sysdeps/unix/sysv/linux/csky/librt.abilist         |  1 -
 sysdeps/unix/sysv/linux/hppa/libc.abilist          |  2 +
 sysdeps/unix/sysv/linux/hppa/librt.abilist         |  1 -
 sysdeps/unix/sysv/linux/i386/libc.abilist          |  2 +
 sysdeps/unix/sysv/linux/i386/librt.abilist         |  1 -
 sysdeps/unix/sysv/linux/ia64/libc.abilist          |  2 +
 sysdeps/unix/sysv/linux/ia64/librt.abilist         |  1 -
 sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist |  2 +
 .../unix/sysv/linux/m68k/coldfire/librt.abilist    |  1 -
 sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist   |  2 +
 sysdeps/unix/sysv/linux/m68k/m680x0/librt.abilist  |  1 -
 sysdeps/unix/sysv/linux/microblaze/be/libc.abilist |  2 +
 .../unix/sysv/linux/microblaze/be/librt.abilist    |  1 -
 sysdeps/unix/sysv/linux/microblaze/le/libc.abilist |  2 +
 .../unix/sysv/linux/microblaze/le/librt.abilist    |  1 -
 .../unix/sysv/linux/mips/mips32/fpu/libc.abilist   |  2 +
 sysdeps/unix/sysv/linux/mips/mips32/librt.abilist  |  1 -
 .../unix/sysv/linux/mips/mips32/nofpu/libc.abilist |  2 +
 .../unix/sysv/linux/mips/mips64/n32/libc.abilist   |  2 +
 .../unix/sysv/linux/mips/mips64/n32/librt.abilist  |  1 -
 .../unix/sysv/linux/mips/mips64/n64/libc.abilist   |  2 +
 .../unix/sysv/linux/mips/mips64/n64/librt.abilist  |  1 -
 sysdeps/unix/sysv/linux/mq_notify.c                | 59 +++++++++-------------
 sysdeps/unix/sysv/linux/nios2/libc.abilist         |  2 +
 sysdeps/unix/sysv/linux/nios2/librt.abilist        |  1 -
 .../sysv/linux/powerpc/powerpc32/fpu/libc.abilist  |  2 +
 .../sysv/linux/powerpc/powerpc32/librt.abilist     |  1 -
 .../linux/powerpc/powerpc32/nofpu/libc.abilist     |  2 +
 .../sysv/linux/powerpc/powerpc64/be/libc.abilist   |  2 +
 .../sysv/linux/powerpc/powerpc64/be/librt.abilist  |  1 -
 .../sysv/linux/powerpc/powerpc64/le/libc.abilist   |  2 +
 .../sysv/linux/powerpc/powerpc64/le/librt.abilist  |  1 -
 sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist    |  2 +
 sysdeps/unix/sysv/linux/riscv/rv32/librt.abilist   |  1 -
 sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist    |  2 +
 sysdeps/unix/sysv/linux/riscv/rv64/librt.abilist   |  1 -
 sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist  |  2 +
 sysdeps/unix/sysv/linux/s390/s390-32/librt.abilist |  1 -
 sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist  |  2 +
 sysdeps/unix/sysv/linux/s390/s390-64/librt.abilist |  1 -
 sysdeps/unix/sysv/linux/sh/be/libc.abilist         |  2 +
 sysdeps/unix/sysv/linux/sh/be/librt.abilist        |  1 -
 sysdeps/unix/sysv/linux/sh/le/libc.abilist         |  2 +
 sysdeps/unix/sysv/linux/sh/le/librt.abilist        |  1 -
 sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist |  2 +
 .../unix/sysv/linux/sparc/sparc32/librt.abilist    |  1 -
 sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist |  2 +
 .../unix/sysv/linux/sparc/sparc64/librt.abilist    |  1 -
 sysdeps/unix/sysv/linux/x86_64/64/libc.abilist     |  2 +
 sysdeps/unix/sysv/linux/x86_64/64/librt.abilist    |  1 -
 sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist    |  2 +
 sysdeps/unix/sysv/linux/x86_64/x32/librt.abilist   |  1 -
 68 files changed, 101 insertions(+), 68 deletions(-)

diff --git a/include/mqueue.h b/include/mqueue.h
index 008589f0fa..2c40c1e3fc 100644
--- a/include/mqueue.h
+++ b/include/mqueue.h
@@ -15,6 +15,10 @@ hidden_proto (mq_setattr)
# if PTHREAD_IN_LIBC
 libc_hidden_proto (mq_setattr)
+
+/* Called from fork so that the new subprocess re-creates the
+   notification thread if necessary.  */
+void __mq_notify_fork_subprocess (void) attribute_hidden;
 # endif
#include <struct___timespec64.h>
diff --git a/include/pthread.h b/include/pthread.h
index 1158919247..819bf3f235 100644
--- a/include/pthread.h
+++ b/include/pthread.h
@@ -13,6 +13,9 @@ libc_hidden_proto (__pthread_barrier_init)
 #endif
 extern int __pthread_barrier_wait (pthread_barrier_t *__barrier)
      __THROWNL __nonnull ((1));
+#if PTHREAD_IN_LIBC
+libc_hidden_proto (__pthread_barrier_wait)
+#endif
/* This function is called to initialize the pthread library.  */
 extern void __pthread_initialize (void) __attribute__ ((weak));
diff --git a/rt/Makefile b/rt/Makefile
index f753a9aa7a..e86a3107ee 100644
--- a/rt/Makefile
+++ b/rt/Makefile
@@ -30,7 +30,6 @@ routines = \
librt-routines = \
   librt-compat \
-  mq_notify \
   mq_open \
   mq_receive \
   mq_send \
@@ -62,6 +61,7 @@ $(librt-routines-var) += \
   lio_listio64 \
   mq_close \
   mq_getattr \
+  mq_notify \
   mq_setattr \
tests := tst-shm tst-timer tst-timer2 \
diff --git a/rt/Versions b/rt/Versions
index 38f23c16ef..b3c9bba9ff 100644
--- a/rt/Versions
+++ b/rt/Versions
@@ -28,6 +28,7 @@ libc {
 %if PTHREAD_IN_LIBC
     mq_close;
     mq_getattr;
+    mq_notify;
     mq_setattr;
 %endif
   }
@@ -58,6 +59,7 @@ libc {
     lio_listio64;
     mq_close;
     mq_getattr;
+    mq_notify;
     mq_setattr;
 %endif
     shm_open;
@@ -112,9 +114,9 @@ librt {
 %if !PTHREAD_IN_LIBC
     mq_close;
     mq_getattr;
+    mq_notify;
     mq_setattr;
 %endif
-    mq_notify;
     mq_open;
     mq_receive;
     mq_send;
diff --git a/sysdeps/nptl/fork.h b/sysdeps/nptl/fork.h
index 3134d7ab94..1fc3a83bd3 100644
--- a/sysdeps/nptl/fork.h
+++ b/sysdeps/nptl/fork.h
@@ -22,6 +22,7 @@
 #include <assert.h>
 #include <ldsodefs.h>
 #include <list.h>
+#include <mqueue.h>
 #include <pthreadP.h>
 #include <sysdep.h>
@@ -41,6 +42,8 @@ fork_system_setup_after_fork (void)
   /* Initialize thread library locks.  */
   GL (dl_stack_cache_lock) = LLL_LOCK_INITIALIZER;
   __default_pthread_attr_lock = LLL_LOCK_INITIALIZER;
+
+  call_function_static_weak (__mq_notify_fork_subprocess);
 }
/* In case of a fork() call the memory allocation in the child will be
diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
index c6b225527c..98dd344aaf 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
@@ -1359,6 +1359,7 @@ GLIBC_2.17 mprobe F
 GLIBC_2.17 mprotect F
 GLIBC_2.17 mq_close F
 GLIBC_2.17 mq_getattr F
+GLIBC_2.17 mq_notify F
 GLIBC_2.17 mq_setattr F
 GLIBC_2.17 mrand48 F
 GLIBC_2.17 mrand48_r F
@@ -2404,6 +2405,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/aarch64/librt.abilist b/sysdeps/unix/sysv/linux/aarch64/librt.abilist
index 33b825d874..6cab033b12 100644
--- a/sysdeps/unix/sysv/linux/aarch64/librt.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/librt.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.17 __mq_open_2 F
-GLIBC_2.17 mq_notify F
 GLIBC_2.17 mq_open F
 GLIBC_2.17 mq_receive F
 GLIBC_2.17 mq_send F
diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist
index 4930bfef60..5026e54d51 100644
--- a/sysdeps/unix/sysv/linux/alpha/libc.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist
@@ -2394,6 +2394,7 @@ GLIBC_2.3.4 getipv4sourcefilter F
 GLIBC_2.3.4 getsourcefilter F
 GLIBC_2.3.4 mq_close F
 GLIBC_2.3.4 mq_getattr F
+GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_setattr F
 GLIBC_2.3.4 pthread_attr_getaffinity_np F
 GLIBC_2.3.4 pthread_attr_setaffinity_np F
@@ -2499,6 +2500,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/alpha/librt.abilist b/sysdeps/unix/sysv/linux/alpha/librt.abilist
index 29f9030371..d85884d888 100644
--- a/sysdeps/unix/sysv/linux/alpha/librt.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/librt.abilist
@@ -10,7 +10,6 @@ GLIBC_2.3.3 timer_delete F
 GLIBC_2.3.3 timer_getoverrun F
 GLIBC_2.3.3 timer_gettime F
 GLIBC_2.3.3 timer_settime F
-GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_open F
 GLIBC_2.3.4 mq_receive F
 GLIBC_2.3.4 mq_send F
diff --git a/sysdeps/unix/sysv/linux/arc/libc.abilist b/sysdeps/unix/sysv/linux/arc/libc.abilist
index 78a01ca136..f677395bd2 100644
--- a/sysdeps/unix/sysv/linux/arc/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arc/libc.abilist
@@ -1290,6 +1290,7 @@ GLIBC_2.32 mprobe F
 GLIBC_2.32 mprotect F
 GLIBC_2.32 mq_close F
 GLIBC_2.32 mq_getattr F
+GLIBC_2.32 mq_notify F
 GLIBC_2.32 mq_setattr F
 GLIBC_2.32 mrand48 F
 GLIBC_2.32 mrand48_r F
@@ -2163,6 +2164,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/arc/librt.abilist b/sysdeps/unix/sysv/linux/arc/librt.abilist
index 4143924c8b..16864093a0 100644
--- a/sysdeps/unix/sysv/linux/arc/librt.abilist
+++ b/sysdeps/unix/sysv/linux/arc/librt.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.32 __mq_open_2 F
-GLIBC_2.32 mq_notify F
 GLIBC_2.32 mq_open F
 GLIBC_2.32 mq_receive F
 GLIBC_2.32 mq_send F
diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
index 4ad531fb76..38e6fc61d4 100644
--- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
@@ -315,6 +315,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
@@ -1731,6 +1732,7 @@ GLIBC_2.4 mprobe F
 GLIBC_2.4 mprotect F
 GLIBC_2.4 mq_close F
 GLIBC_2.4 mq_getattr F
+GLIBC_2.4 mq_notify F
 GLIBC_2.4 mq_setattr F
 GLIBC_2.4 mrand48 F
 GLIBC_2.4 mrand48_r F
diff --git a/sysdeps/unix/sysv/linux/arm/be/librt.abilist b/sysdeps/unix/sysv/linux/arm/be/librt.abilist
index ba9f5f6422..6d3cb7c1fa 100644
--- a/sysdeps/unix/sysv/linux/arm/be/librt.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/librt.abilist
@@ -2,7 +2,6 @@ GLIBC_2.34 __mq_timedreceive_time64 F
 GLIBC_2.34 __mq_timedsend_time64 F
 GLIBC_2.34 __timer_gettime64 F
 GLIBC_2.34 __timer_settime64 F
-GLIBC_2.4 mq_notify F
 GLIBC_2.4 mq_open F
 GLIBC_2.4 mq_receive F
 GLIBC_2.4 mq_send F
diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
index aae2e215f3..c31f58229a 100644
--- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
@@ -312,6 +312,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
@@ -1728,6 +1729,7 @@ GLIBC_2.4 mprobe F
 GLIBC_2.4 mprotect F
 GLIBC_2.4 mq_close F
 GLIBC_2.4 mq_getattr F
+GLIBC_2.4 mq_notify F
 GLIBC_2.4 mq_setattr F
 GLIBC_2.4 mrand48 F
 GLIBC_2.4 mrand48_r F
diff --git a/sysdeps/unix/sysv/linux/arm/le/librt.abilist b/sysdeps/unix/sysv/linux/arm/le/librt.abilist
index ba9f5f6422..6d3cb7c1fa 100644
--- a/sysdeps/unix/sysv/linux/arm/le/librt.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/librt.abilist
@@ -2,7 +2,6 @@ GLIBC_2.34 __mq_timedreceive_time64 F
 GLIBC_2.34 __mq_timedsend_time64 F
 GLIBC_2.34 __timer_gettime64 F
 GLIBC_2.34 __timer_settime64 F
-GLIBC_2.4 mq_notify F
 GLIBC_2.4 mq_open F
 GLIBC_2.4 mq_receive F
 GLIBC_2.4 mq_send F
diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist b/sysdeps/unix/sysv/linux/csky/libc.abilist
index 0bbe74a51a..bd0cec183d 100644
--- a/sysdeps/unix/sysv/linux/csky/libc.abilist
+++ b/sysdeps/unix/sysv/linux/csky/libc.abilist
@@ -1345,6 +1345,7 @@ GLIBC_2.29 mprobe F
 GLIBC_2.29 mprotect F
 GLIBC_2.29 mq_close F
 GLIBC_2.29 mq_getattr F
+GLIBC_2.29 mq_notify F
 GLIBC_2.29 mq_setattr F
 GLIBC_2.29 mrand48 F
 GLIBC_2.29 mrand48_r F
@@ -2424,6 +2425,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/csky/librt.abilist b/sysdeps/unix/sysv/linux/csky/librt.abilist
index 1ffc068f62..7c20548140 100644
--- a/sysdeps/unix/sysv/linux/csky/librt.abilist
+++ b/sysdeps/unix/sysv/linux/csky/librt.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.29 __mq_open_2 F
-GLIBC_2.29 mq_notify F
 GLIBC_2.29 mq_open F
 GLIBC_2.29 mq_receive F
 GLIBC_2.29 mq_send F
diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist
index f96ed60028..e089d91a80 100644
--- a/sysdeps/unix/sysv/linux/hppa/libc.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist
@@ -2208,6 +2208,7 @@ GLIBC_2.3.4 getipv4sourcefilter F
 GLIBC_2.3.4 getsourcefilter F
 GLIBC_2.3.4 mq_close F
 GLIBC_2.3.4 mq_getattr F
+GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_setattr F
 GLIBC_2.3.4 pthread_attr_getaffinity_np F
 GLIBC_2.3.4 pthread_attr_setaffinity_np F
@@ -2378,6 +2379,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/hppa/librt.abilist b/sysdeps/unix/sysv/linux/hppa/librt.abilist
index d208e7b7a8..c4164f4149 100644
--- a/sysdeps/unix/sysv/linux/hppa/librt.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/librt.abilist
@@ -4,7 +4,6 @@ GLIBC_2.2 timer_delete F
 GLIBC_2.2 timer_getoverrun F
 GLIBC_2.2 timer_gettime F
 GLIBC_2.2 timer_settime F
-GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_open F
 GLIBC_2.3.4 mq_receive F
 GLIBC_2.3.4 mq_send F
diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist
index a724074718..d04f1e1a95 100644
--- a/sysdeps/unix/sysv/linux/i386/libc.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libc.abilist
@@ -2389,6 +2389,7 @@ GLIBC_2.3.4 getipv4sourcefilter F
 GLIBC_2.3.4 getsourcefilter F
 GLIBC_2.3.4 mq_close F
 GLIBC_2.3.4 mq_getattr F
+GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_setattr F
 GLIBC_2.3.4 pthread_attr_getaffinity_np F
 GLIBC_2.3.4 pthread_attr_setaffinity_np F
@@ -2562,6 +2563,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/i386/librt.abilist b/sysdeps/unix/sysv/linux/i386/librt.abilist
index d208e7b7a8..c4164f4149 100644
--- a/sysdeps/unix/sysv/linux/i386/librt.abilist
+++ b/sysdeps/unix/sysv/linux/i386/librt.abilist
@@ -4,7 +4,6 @@ GLIBC_2.2 timer_delete F
 GLIBC_2.2 timer_getoverrun F
 GLIBC_2.2 timer_gettime F
 GLIBC_2.2 timer_settime F
-GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_open F
 GLIBC_2.3.4 mq_receive F
 GLIBC_2.3.4 mq_send F
diff --git a/sysdeps/unix/sysv/linux/ia64/libc.abilist b/sysdeps/unix/sysv/linux/ia64/libc.abilist
index 3b5c72f307..c7569a5138 100644
--- a/sysdeps/unix/sysv/linux/ia64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/ia64/libc.abilist
@@ -2243,6 +2243,7 @@ GLIBC_2.3.4 getipv4sourcefilter F
 GLIBC_2.3.4 getsourcefilter F
 GLIBC_2.3.4 mq_close F
 GLIBC_2.3.4 mq_getattr F
+GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_setattr F
 GLIBC_2.3.4 pthread_attr_getaffinity_np F
 GLIBC_2.3.4 pthread_attr_setaffinity_np F
@@ -2337,6 +2338,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/ia64/librt.abilist b/sysdeps/unix/sysv/linux/ia64/librt.abilist
index 38edc31e90..1ec96c2786 100644
--- a/sysdeps/unix/sysv/linux/ia64/librt.abilist
+++ b/sysdeps/unix/sysv/linux/ia64/librt.abilist
@@ -9,7 +9,6 @@ GLIBC_2.3.3 timer_delete F
 GLIBC_2.3.3 timer_getoverrun F
 GLIBC_2.3.3 timer_gettime F
 GLIBC_2.3.3 timer_settime F
-GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_open F
 GLIBC_2.3.4 mq_receive F
 GLIBC_2.3.4 mq_send F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
index 85de809b2d..57139d935a 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
@@ -316,6 +316,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
@@ -1715,6 +1716,7 @@ GLIBC_2.4 mprobe F
 GLIBC_2.4 mprotect F
 GLIBC_2.4 mq_close F
 GLIBC_2.4 mq_getattr F
+GLIBC_2.4 mq_notify F
 GLIBC_2.4 mq_setattr F
 GLIBC_2.4 mrand48 F
 GLIBC_2.4 mrand48_r F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/librt.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/librt.abilist
index ba9f5f6422..6d3cb7c1fa 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/librt.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/librt.abilist
@@ -2,7 +2,6 @@ GLIBC_2.34 __mq_timedreceive_time64 F
 GLIBC_2.34 __mq_timedsend_time64 F
 GLIBC_2.34 __timer_gettime64 F
 GLIBC_2.34 __timer_settime64 F
-GLIBC_2.4 mq_notify F
 GLIBC_2.4 mq_open F
 GLIBC_2.4 mq_receive F
 GLIBC_2.4 mq_send F
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
index a9abdfa950..5fd9bf57ec 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
@@ -2332,6 +2332,7 @@ GLIBC_2.3.4 getipv4sourcefilter F
 GLIBC_2.3.4 getsourcefilter F
 GLIBC_2.3.4 mq_close F
 GLIBC_2.3.4 mq_getattr F
+GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_setattr F
 GLIBC_2.3.4 pthread_attr_getaffinity_np F
 GLIBC_2.3.4 pthread_attr_setaffinity_np F
@@ -2505,6 +2506,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/librt.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/librt.abilist
index d208e7b7a8..c4164f4149 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/librt.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/librt.abilist
@@ -4,7 +4,6 @@ GLIBC_2.2 timer_delete F
 GLIBC_2.2 timer_getoverrun F
 GLIBC_2.2 timer_gettime F
 GLIBC_2.2 timer_settime F
-GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_open F
 GLIBC_2.3.4 mq_receive F
 GLIBC_2.3.4 mq_send F
diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
index 6bf22e63e3..434b3f6844 100644
--- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
@@ -1361,6 +1361,7 @@ GLIBC_2.18 mprobe F
 GLIBC_2.18 mprotect F
 GLIBC_2.18 mq_close F
 GLIBC_2.18 mq_getattr F
+GLIBC_2.18 mq_notify F
 GLIBC_2.18 mq_setattr F
 GLIBC_2.18 mrand48 F
 GLIBC_2.18 mrand48_r F
@@ -2475,6 +2476,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/microblaze/be/librt.abilist b/sysdeps/unix/sysv/linux/microblaze/be/librt.abilist
index a8bbeb6a20..f82d9ba705 100644
--- a/sysdeps/unix/sysv/linux/microblaze/be/librt.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/be/librt.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.18 __mq_open_2 F
-GLIBC_2.18 mq_notify F
 GLIBC_2.18 mq_open F
 GLIBC_2.18 mq_receive F
 GLIBC_2.18 mq_send F
diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
index 4e211638c9..1d97080a9c 100644
--- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
@@ -1361,6 +1361,7 @@ GLIBC_2.18 mprobe F
 GLIBC_2.18 mprotect F
 GLIBC_2.18 mq_close F
 GLIBC_2.18 mq_getattr F
+GLIBC_2.18 mq_notify F
 GLIBC_2.18 mq_setattr F
 GLIBC_2.18 mrand48 F
 GLIBC_2.18 mrand48_r F
@@ -2472,6 +2473,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/microblaze/le/librt.abilist b/sysdeps/unix/sysv/linux/microblaze/le/librt.abilist
index a8bbeb6a20..f82d9ba705 100644
--- a/sysdeps/unix/sysv/linux/microblaze/le/librt.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/le/librt.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.18 __mq_open_2 F
-GLIBC_2.18 mq_notify F
 GLIBC_2.18 mq_open F
 GLIBC_2.18 mq_receive F
 GLIBC_2.18 mq_send F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
index 96d2e57a71..d43b66902d 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
@@ -2300,6 +2300,7 @@ GLIBC_2.3.4 getipv4sourcefilter F
 GLIBC_2.3.4 getsourcefilter F
 GLIBC_2.3.4 mq_close F
 GLIBC_2.3.4 mq_getattr F
+GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_setattr F
 GLIBC_2.3.4 pthread_attr_getaffinity_np F
 GLIBC_2.3.4 pthread_attr_setaffinity_np F
@@ -2470,6 +2471,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/librt.abilist b/sysdeps/unix/sysv/linux/mips/mips32/librt.abilist
index 7704fd1722..12c3cbae0d 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/librt.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/librt.abilist
@@ -3,7 +3,6 @@ GLIBC_2.2 timer_delete F
 GLIBC_2.2 timer_getoverrun F
 GLIBC_2.2 timer_gettime F
 GLIBC_2.2 timer_settime F
-GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_open F
 GLIBC_2.3.4 mq_receive F
 GLIBC_2.3.4 mq_send F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
index 3f8736354d..86dfc85225 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
@@ -2298,6 +2298,7 @@ GLIBC_2.3.4 getipv4sourcefilter F
 GLIBC_2.3.4 getsourcefilter F
 GLIBC_2.3.4 mq_close F
 GLIBC_2.3.4 mq_getattr F
+GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_setattr F
 GLIBC_2.3.4 pthread_attr_getaffinity_np F
 GLIBC_2.3.4 pthread_attr_setaffinity_np F
@@ -2468,6 +2469,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
index ab6ca602b9..3314c50b3c 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
@@ -2306,6 +2306,7 @@ GLIBC_2.3.4 getipv4sourcefilter F
 GLIBC_2.3.4 getsourcefilter F
 GLIBC_2.3.4 mq_close F
 GLIBC_2.3.4 mq_getattr F
+GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_setattr F
 GLIBC_2.3.4 pthread_attr_getaffinity_np F
 GLIBC_2.3.4 pthread_attr_setaffinity_np F
@@ -2476,6 +2477,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/librt.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/librt.abilist
index 7704fd1722..12c3cbae0d 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n32/librt.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/librt.abilist
@@ -3,7 +3,6 @@ GLIBC_2.2 timer_delete F
 GLIBC_2.2 timer_getoverrun F
 GLIBC_2.2 timer_gettime F
 GLIBC_2.2 timer_settime F
-GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_open F
 GLIBC_2.3.4 mq_receive F
 GLIBC_2.3.4 mq_send F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
index 328abb0e02..a23ebf24a8 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
@@ -2300,6 +2300,7 @@ GLIBC_2.3.4 getipv4sourcefilter F
 GLIBC_2.3.4 getsourcefilter F
 GLIBC_2.3.4 mq_close F
 GLIBC_2.3.4 mq_getattr F
+GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_setattr F
 GLIBC_2.3.4 pthread_attr_getaffinity_np F
 GLIBC_2.3.4 pthread_attr_setaffinity_np F
@@ -2393,6 +2394,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/librt.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/librt.abilist
index a249a4623f..7afe4e83cf 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n64/librt.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/librt.abilist
@@ -3,7 +3,6 @@ GLIBC_2.2 timer_delete F
 GLIBC_2.2 timer_getoverrun F
 GLIBC_2.2 timer_gettime F
 GLIBC_2.2 timer_settime F
-GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_open F
 GLIBC_2.3.4 mq_receive F
 GLIBC_2.3.4 mq_send F
diff --git a/sysdeps/unix/sysv/linux/mq_notify.c b/sysdeps/unix/sysv/linux/mq_notify.c
index e22850a910..9799dcdaa4 100644
--- a/sysdeps/unix/sysv/linux/mq_notify.c
+++ b/sysdeps/unix/sysv/linux/mq_notify.c
@@ -29,7 +29,7 @@
 #include <sys/socket.h>
 #include <not-cancel.h>
 #include <pthreadP.h>
-
+#include <shlib-compat.h>
/* Defined in the kernel headers: */
 #define NOTIFY_COOKIE_LEN	32	/* Length of the cookie used.  */
@@ -75,7 +75,7 @@ change_sigmask (int how, sigset_t *oss)
 {
   sigset_t ss;
   sigfillset (&ss);
-  return pthread_sigmask (how, &ss, oss);
+  return __pthread_sigmask (how, &ss, oss);
 }
@@ -93,7 +93,7 @@ notification_function (void *arg)
   (void) __pthread_barrier_wait (&notify_barrier);
/* Make the thread detached.  */
-  (void) pthread_detach (pthread_self ());
+  __pthread_detach (__pthread_self ());
/* The parent thread has all signals blocked.  This is probably a
      bit surprising for this thread.  So we unblock all of them.  */
@@ -125,9 +125,8 @@ helper_thread (void *arg)
      /* Just create the thread as instructed.  There is no way to
         report a problem with creating a thread.  */
      pthread_t th;
-	  if (__builtin_expect (pthread_create (&th, data.attr,
-						notification_function, &data)
-				== 0, 0))
+	  if (__pthread_create (&th, data.attr, notification_function, &data)
+	      == 0)
        /* Since we passed a pointer to DATA to the new thread we have
           to wait until it is done with it.  */
        (void) __pthread_barrier_wait (&notify_barrier);
@@ -135,7 +134,7 @@ helper_thread (void *arg)
       else if (data.raw[NOTIFY_COOKIE_LEN - 1] == NOTIFY_REMOVED)
    {
      /* The only state we keep is the copy of the thread attributes.  */
-	  pthread_attr_destroy (data.attr);
+	  __pthread_attr_destroy (data.attr);
      free (data.attr);
    }
     }
@@ -143,8 +142,8 @@ helper_thread (void *arg)
 }
-static void
-reset_once (void)
+void
+__mq_notify_fork_subprocess (void)
 {
   once = PTHREAD_ONCE_INIT;
 }
@@ -167,15 +166,14 @@ init_mq_netlink (void)
   int err = 1;
/* Initialize the barrier.  */
-  if (__builtin_expect (__pthread_barrier_init (&notify_barrier, NULL, 2) == 0,
-			0))
+  if (__pthread_barrier_init (&notify_barrier, NULL, 2) == 0)
     {
       /* Create the helper thread.  */
       pthread_attr_t attr;
-      (void) pthread_attr_init (&attr);
-      (void) pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
+      __pthread_attr_init (&attr);
+      __pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
       /* We do not need much stack space, the bare minimum will be enough.  */
-      (void) pthread_attr_setstacksize (&attr, __pthread_get_minstack (&attr));
+      __pthread_attr_setstacksize (&attr, __pthread_get_minstack (&attr));
/* Temporarily block all signals so that the newly created
     thread inherits the mask.  */
@@ -183,29 +181,13 @@ init_mq_netlink (void)
       int have_no_oss = change_sigmask (SIG_BLOCK, &oss);
pthread_t th;
-      err = pthread_create (&th, &attr, helper_thread, NULL);
+      err = __pthread_create (&th, &attr, helper_thread, NULL);
/* Reset the signal mask.  */
       if (!have_no_oss)
-	pthread_sigmask (SIG_SETMASK, &oss, NULL);
-
-      (void) pthread_attr_destroy (&attr);
+	__pthread_sigmask (SIG_SETMASK, &oss, NULL);
-      if (err == 0)
-	{
-	  static int added_atfork;
-
-	  if (added_atfork == 0
-	      && pthread_atfork (NULL, NULL, reset_once) != 0)
-	    {
-	      /* The child thread will call recv() which is a
-		 cancellation point.  */
-	      (void) pthread_cancel (th);
-	      err = 1;
-	    }
-	  else
-	    added_atfork = 1;
-	}
+      __pthread_attr_destroy (&attr);
     }
if (err != 0)
@@ -219,7 +201,7 @@ init_mq_netlink (void)
 /* Register notification upon message arrival to an empty message queue
    MQDES.  */
 int
-mq_notify (mqd_t mqdes, const struct sigevent *notification)
+__mq_notify (mqd_t mqdes, const struct sigevent *notification)
 {
   /* Make sure the type is correctly defined.  */
   assert (sizeof (union notify_data) == NOTIFY_COOKIE_LEN);
@@ -235,7 +217,7 @@ mq_notify (mqd_t mqdes, const struct sigevent *notification)
      response.  */
/* Initialize only once.  */
-  pthread_once (&once, init_mq_netlink);
+  __pthread_once (&once, init_mq_netlink);
/* If we cannot create the netlink socket we cannot provide
      SIGEV_THREAD support.  */
@@ -280,9 +262,14 @@ mq_notify (mqd_t mqdes, const struct sigevent *notification)
   /* If it failed, free the allocated memory.  */
   if (retval != 0 && data.attr != NULL)
     {
-      pthread_attr_destroy (data.attr);
+      __pthread_attr_destroy (data.attr);
       free (data.attr);
     }
return retval;
 }
+versioned_symbol (libc, __mq_notify, mq_notify, GLIBC_2_34);
+libc_hidden_ver (__mq_notify, mq_notify)
+#if OTHER_SHLIB_COMPAT (librt, GLIBC_2_3_4, GLIBC_2_34)
+compat_symbol (librt, __mq_notify, mq_notify, GLIBC_2_3_4);
+#endif
diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist
index b8dd80465f..50b5f57efc 100644
--- a/sysdeps/unix/sysv/linux/nios2/libc.abilist
+++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist
@@ -1404,6 +1404,7 @@ GLIBC_2.21 mprobe F
 GLIBC_2.21 mprotect F
 GLIBC_2.21 mq_close F
 GLIBC_2.21 mq_getattr F
+GLIBC_2.21 mq_notify F
 GLIBC_2.21 mq_setattr F
 GLIBC_2.21 mrand48 F
 GLIBC_2.21 mrand48_r F
@@ -2514,6 +2515,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/nios2/librt.abilist b/sysdeps/unix/sysv/linux/nios2/librt.abilist
index 64a169169f..0ad1b47423 100644
--- a/sysdeps/unix/sysv/linux/nios2/librt.abilist
+++ b/sysdeps/unix/sysv/linux/nios2/librt.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.21 __mq_open_2 F
-GLIBC_2.21 mq_notify F
 GLIBC_2.21 mq_open F
 GLIBC_2.21 mq_receive F
 GLIBC_2.21 mq_send F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
index 04a263f810..c8b663ff2f 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
@@ -2346,6 +2346,7 @@ GLIBC_2.3.4 longjmp F
 GLIBC_2.3.4 makecontext F
 GLIBC_2.3.4 mq_close F
 GLIBC_2.3.4 mq_getattr F
+GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_setattr F
 GLIBC_2.3.4 pthread_attr_getaffinity_np F
 GLIBC_2.3.4 pthread_attr_setaffinity_np F
@@ -2532,6 +2533,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/librt.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/librt.abilist
index d208e7b7a8..c4164f4149 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/librt.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/librt.abilist
@@ -4,7 +4,6 @@ GLIBC_2.2 timer_delete F
 GLIBC_2.2 timer_getoverrun F
 GLIBC_2.2 timer_gettime F
 GLIBC_2.2 timer_settime F
-GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_open F
 GLIBC_2.3.4 mq_receive F
 GLIBC_2.3.4 mq_send F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
index 9e8043323c..551af732bb 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
@@ -2379,6 +2379,7 @@ GLIBC_2.3.4 longjmp F
 GLIBC_2.3.4 makecontext F
 GLIBC_2.3.4 mq_close F
 GLIBC_2.3.4 mq_getattr F
+GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_setattr F
 GLIBC_2.3.4 pthread_attr_getaffinity_np F
 GLIBC_2.3.4 pthread_attr_setaffinity_np F
@@ -2565,6 +2566,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
index 21e7cb9a28..a79b8863e1 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
@@ -2192,6 +2192,7 @@ GLIBC_2.3.4 getsourcefilter F
 GLIBC_2.3.4 longjmp F
 GLIBC_2.3.4 mq_close F
 GLIBC_2.3.4 mq_getattr F
+GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_setattr F
 GLIBC_2.3.4 pthread_attr_getaffinity_np F
 GLIBC_2.3.4 pthread_attr_setaffinity_np F
@@ -2301,6 +2302,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/librt.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/librt.abilist
index 073df9d157..a7117238c4 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/librt.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/librt.abilist
@@ -8,7 +8,6 @@ GLIBC_2.3.3 timer_delete F
 GLIBC_2.3.3 timer_getoverrun F
 GLIBC_2.3.3 timer_gettime F
 GLIBC_2.3.3 timer_settime F
-GLIBC_2.3.4 mq_notify F
 GLIBC_2.3.4 mq_open F
 GLIBC_2.3.4 mq_receive F
 GLIBC_2.3.4 mq_send F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
index 5487741113..89293145e4 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
@@ -1447,6 +1447,7 @@ GLIBC_2.17 mprobe F
 GLIBC_2.17 mprotect F
 GLIBC_2.17 mq_close F
 GLIBC_2.17 mq_getattr F
+GLIBC_2.17 mq_notify F
 GLIBC_2.17 mq_setattr F
 GLIBC_2.17 mrand48 F
 GLIBC_2.17 mrand48_r F
@@ -2600,6 +2601,7 @@ GLIBC_2.34 lio_listio F
 GLIBC_2.34 lio_listio64 F
 GLIBC_2.34 mq_close F
 GLIBC_2.34 mq_getattr F
+GLIBC_2.34 mq_notify F
 GLIBC_2.34 mq_setattr F
 GLIBC_2.34 mtx_destroy F
 GLIBC_2.34 mtx_init F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/librt.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/librt.abilist
index 33b825d874..6cab033b12 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/librt.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/librt.abilist
@@ -1,5 +1,4 @@
 GLIBC_2.17 __mq_open_2 F
-GLIBC_2.17 mq_notify F
 GLIBC_2.17 mq_open F
 GLIBC_2.17 mq_receive F
 GLIBC_2.17 mq_send F
</cut>

    

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[CI-NOTIFY]: TCWG Bisect tcwg_bmk_tk1/gnu-master-arm-spec2k6-O2 - Build # 15 - Successful!