htl: move pthread_once into libc

htl/Makefile

@@ -31,7 +31,6 @@ libpthread-routines := \
   pt-key-delete \
   pt-getspecific \
   pt-setspecific \
-  pt-once \
   pt-alloc \
   pt-create \
   pt-getattr \
@@ -186,6 +185,7 @@ routines := \
   pt-mutexattr-setrobust \
   pt-mutexattr-settype \
   pt-nthreads \
+  pt-once \
   pt-pthread_self \
   pt-rwlock-attr \
   pt-rwlock-destroy \

htl/Versions

@@ -63,6 +63,7 @@ libc {
     pthread_mutexattr_setprotocol;
     pthread_mutexattr_setpshared;
     pthread_mutexattr_settype;
+    pthread_once;
     pthread_rwlock_destroy;
     pthread_rwlock_init;
     pthread_rwlock_rdlock;
@@ -158,6 +159,7 @@ libc {
     pthread_mutex_setprioceiling;
     pthread_rwlock_destroy;
     pthread_mutex_trylock;
+    pthread_once;
     pthread_rwlock_clockrdlock;
     pthread_rwlock_clockwrlock;
     pthread_rwlock_init;
@@ -211,6 +213,7 @@ libc {
     __pthread_mutexattr_destroy;
     __pthread_mutexattr_init;
     __pthread_mutexattr_settype;
+    __pthread_once;
     __pthread_sigstate;
     __pthread_sigstate_destroy;
     __pthread_sigmask;
@@ -264,8 +267,6 @@ libpthread {
 
     pthread_mutex_transfer_np;
 
-    pthread_once;
-
     pthread_setconcurrency;
     pthread_setschedprio; pthread_setspecific;
 

sysdeps/htl/libc-lockP.h

@@ -114,6 +114,7 @@ libc_hidden_proto (__pthread_rwlock_unlock)
 
 extern int __pthread_once (pthread_once_t *__once_control,
 			   void (*__init_routine) (void));
+libc_hidden_proto (__pthread_once);
 
 extern int __pthread_atfork (void (*__prepare) (void),
 			     void (*__parent) (void),
@@ -128,14 +129,12 @@ libc_hidden_proto (__pthread_setcancelstate)
 weak_extern (__pthread_key_create)
 weak_extern (__pthread_setspecific)
 weak_extern (__pthread_getspecific)
-weak_extern (__pthread_once)
 weak_extern (__pthread_initialize)
 weak_extern (__pthread_atfork)
 # else
 #  pragma weak __pthread_key_create
 #  pragma weak __pthread_setspecific
 #  pragma weak __pthread_getspecific
-#  pragma weak __pthread_once
 #  pragma weak __pthread_initialize
 #  pragma weak __pthread_atfork
 # endif

sysdeps/htl/pt-once.c

@@ -20,6 +20,7 @@
 #include <atomic.h>
 
 #include <pt-internal.h>
+#include <shlib-compat.h>
 
 static void
 clear_once_control (void *arg)
@@ -53,4 +54,9 @@ __pthread_once (pthread_once_t *once_control, void (*init_routine) (void))
 
   return 0;
 }
-weak_alias (__pthread_once, pthread_once);
+libc_hidden_def (__pthread_once)
+versioned_symbol (libc, __pthread_once, pthread_once, GLIBC_2_42);
+
+#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_12, GLIBC_2_42)
+compat_symbol (libpthread, __pthread_once, pthread_once, GLIBC_2_12);
+#endif

sysdeps/mach/hurd/i386/libc.abilist

@@ -88,6 +88,7 @@ GLIBC_2.12 pthread_mutexattr_setprioceiling F
 GLIBC_2.12 pthread_mutexattr_setprotocol F
 GLIBC_2.12 pthread_mutexattr_setpshared F
 GLIBC_2.12 pthread_mutexattr_settype F
+GLIBC_2.12 pthread_once F
 GLIBC_2.12 pthread_rwlock_destroy F
 GLIBC_2.12 pthread_rwlock_init F
 GLIBC_2.12 pthread_rwlock_rdlock F
@@ -2595,6 +2596,7 @@ GLIBC_2.42 pthread_mutex_consistent_np F
 GLIBC_2.42 pthread_mutex_getprioceiling F
 GLIBC_2.42 pthread_mutex_setprioceiling F
 GLIBC_2.42 pthread_mutex_trylock F
+GLIBC_2.42 pthread_once F
 GLIBC_2.42 pthread_rwlock_clockrdlock F
 GLIBC_2.42 pthread_rwlock_clockwrlock F
 GLIBC_2.42 pthread_rwlock_destroy F

sysdeps/mach/hurd/i386/libpthread.abilist

@@ -35,7 +35,6 @@ GLIBC_2.12 pthread_key_create F
 GLIBC_2.12 pthread_key_delete F
 GLIBC_2.12 pthread_kill F
 GLIBC_2.12 pthread_mutex_transfer_np F
-GLIBC_2.12 pthread_once F
 GLIBC_2.12 pthread_setconcurrency F
 GLIBC_2.12 pthread_setschedprio F
 GLIBC_2.12 pthread_setspecific F

sysdeps/mach/hurd/x86_64/libc.abilist

@@ -1579,6 +1579,7 @@ GLIBC_2.38 pthread_mutexattr_setpshared F
 GLIBC_2.38 pthread_mutexattr_setrobust F
 GLIBC_2.38 pthread_mutexattr_setrobust_np F
 GLIBC_2.38 pthread_mutexattr_settype F
+GLIBC_2.38 pthread_once F
 GLIBC_2.38 pthread_rwlock_clockrdlock F
 GLIBC_2.38 pthread_rwlock_clockwrlock F
 GLIBC_2.38 pthread_rwlock_destroy F
@@ -2278,6 +2279,7 @@ GLIBC_2.42 pthread_mutex_consistent_np F
 GLIBC_2.42 pthread_mutex_getprioceiling F
 GLIBC_2.42 pthread_mutex_setprioceiling F
 GLIBC_2.42 pthread_mutex_trylock F
+GLIBC_2.42 pthread_once F
 GLIBC_2.42 pthread_rwlock_clockrdlock F
 GLIBC_2.42 pthread_rwlock_clockwrlock F
 GLIBC_2.42 pthread_rwlock_destroy F

sysdeps/mach/hurd/x86_64/libpthread.abilist

@@ -55,7 +55,6 @@ GLIBC_2.38 pthread_key_create F
 GLIBC_2.38 pthread_key_delete F
 GLIBC_2.38 pthread_kill F
 GLIBC_2.38 pthread_mutex_transfer_np F
-GLIBC_2.38 pthread_once F
 GLIBC_2.38 pthread_setconcurrency F
 GLIBC_2.38 pthread_setschedprio F
 GLIBC_2.38 pthread_setspecific F