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authorFlorian Weimer <fweimer@redhat.com>2021-05-03 08:12:11 +0200
committerFlorian Weimer <fweimer@redhat.com>2021-05-03 08:15:41 +0200
commitb7863c732e387032a49b21e9800e1755beaf5e10 (patch)
treee39c547fb6afa713d4235046806036348f86ef8b /sysdeps/pthread
parentf44c9a24edf0dff4fd76562975533d58c1cd6dd4 (diff)
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nptl: Move mtx_lock into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

__pthread_mutex_lock@GLIBC_2.34 is not removed in this commit
because it is still used from nptl/nptl-init.c.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'sysdeps/pthread')
-rw-r--r--sysdeps/pthread/Makefile3
-rw-r--r--sysdeps/pthread/mtx_lock.c11
2 files changed, 12 insertions, 2 deletions
diff --git a/sysdeps/pthread/Makefile b/sysdeps/pthread/Makefile
index bf42b6aa71..10ce314076 100644
--- a/sysdeps/pthread/Makefile
+++ b/sysdeps/pthread/Makefile
@@ -32,7 +32,7 @@ headers += threads.h
 routines += thrd_current thrd_equal thrd_sleep thrd_yield
 
 libpthread-routines += thrd_create thrd_detach thrd_exit thrd_join \
-		       mtx_lock mtx_timedlock \
+		       mtx_timedlock \
 		       mtx_trylock mtx_unlock \
 		       tss_create tss_delete tss_get tss_set
 
@@ -46,6 +46,7 @@ $(libpthread-routines-var) += \
   cnd_wait \
   mtx_destroy \
   mtx_init \
+  mtx_lock \
 
 tests += tst-cnd-basic tst-mtx-trylock tst-cnd-broadcast \
 	 tst-cnd-timedwait tst-thrd-detach tst-mtx-basic tst-thrd-sleep \
diff --git a/sysdeps/pthread/mtx_lock.c b/sysdeps/pthread/mtx_lock.c
index 61ba7c0a8d..64c5ee8707 100644
--- a/sysdeps/pthread/mtx_lock.c
+++ b/sysdeps/pthread/mtx_lock.c
@@ -17,10 +17,19 @@
    <https://www.gnu.org/licenses/>.  */
 
 #include "thrd_priv.h"
+#include <shlib-compat.h>
 
 int
-mtx_lock (mtx_t *mutex)
+__mtx_lock (mtx_t *mutex)
 {
   int err_code = __pthread_mutex_lock ((pthread_mutex_t *) mutex);
   return thrd_err_map (err_code);
 }
+#if PTHREAD_IN_LIBC
+versioned_symbol (libc, __mtx_lock, mtx_lock, GLIBC_2_34);
+# if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_28, GLIBC_2_34)
+compat_symbol (libpthread, __mtx_lock, mtx_lock, GLIBC_2_28);
+# endif
+#else /* !PTHREAD_IN_LIBC */
+strong_alias (__mtx_lock, mtx_lock)
+#endif