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* [PATCH] forward.c changes in linuxthreads and nptl
@ 2002-12-30  7:35 Jakub Jelinek
  2002-12-30 15:52 ` Ulrich Drepper
  0 siblings, 1 reply; 2+ messages in thread
From: Jakub Jelinek @ 2002-12-30  7:35 UTC (permalink / raw)
  To: Ulrich Drepper, Roland McGrath; +Cc: Glibc hackers

Hi!

The following patch changes linuxthreads forward.c to export the
wrappers plus simplifies nptl forward.c (and removes some warnings).

2002-12-30  Jakub Jelinek  <jakub@redhat.com>

linuxthreads/
	* forward.c: Make all functions available by default again.  It
	caused too much trouble.
	* internals.h (struct pthread_functions): Rename ptr_pthread_exit
	and ptr_pthread_attr_init_2_* to ptr___pthread_exit and
	ptr___pthread_attr_init_2_*.
	* pthread.c (pthread_functions): Adjust.
nptl/
	* forward.c (FORWARD2): Renamed from FORWARD3.  Remove unused export
	argument.
	(pthread_attr_init_2_0, pthread_attr_init_2_1): Use FORWARD macro.
	(pthread_exit): Use strong_alias to avoid warnings.
	* pthreadP.h (struct pthread_functions): Rename ptr_pthread_exit
	and ptr_pthread_attr_init_2_* to ptr___pthread_exit and
	ptr___pthread_attr_init_2_*.
	* init.c (pthread_functions): Adjust.

--- libc/linuxthreads/forward.c.jj	2002-12-19 10:15:13.000000000 +0100
+++ libc/linuxthreads/forward.c	2002-12-30 13:45:32.000000000 +0100
@@ -28,119 +28,108 @@
 struct pthread_functions __libc_pthread_functions attribute_hidden;
 
 
-#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2)
-# define FORWARD4(name, export, rettype, decl, params, defaction, version) \
+# define FORWARD2(name, rettype, decl, params, defaction) \
 rettype									      \
-__noexport_##name decl							      \
+name decl								      \
 {									      \
   if (__libc_pthread_functions.ptr_##name == NULL)			      \
     defaction;								      \
 									      \
   return __libc_pthread_functions.ptr_##name params;			      \
-}									      \
-compat_symbol (libc, __noexport_##name, export, version)
-
-# define FORWARD3(name, rettype, decl, params, defaction, version) \
-  FORWARD4 (name, name, rettype, decl, params, defaction, version)
-
-# define FORWARD2(name, decl, params, defretval, version) \
-  FORWARD3 (name, int, decl, params, return defretval, version)
+}
 
 # define FORWARD(name, decl, params, defretval) \
-  FORWARD2 (name, decl, params, defretval, GLIBC_2_0)
-
+  FORWARD2 (name, int, decl, params, return defretval)
 
-FORWARD (pthread_attr_destroy, (pthread_attr_t *attr), (attr), 0);
+FORWARD (pthread_attr_destroy, (pthread_attr_t *attr), (attr), 0)
 
 #if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_1)
-FORWARD4 (pthread_attr_init_2_0, pthread_attr_init, int,
-	  (pthread_attr_t *attr), (attr), return 0, GLIBC_2_0);
+FORWARD (__pthread_attr_init_2_0, (pthread_attr_t *attr), (attr), 0)
+compat_symbol (libc, __pthread_attr_init_2_0, pthread_attr_init, GLIBC_2_0);
 #endif
 
-FORWARD4 (pthread_attr_init_2_1, pthread_attr_init, int,
-	  (pthread_attr_t *attr), (attr), return 0, GLIBC_2_1);
+FORWARD (__pthread_attr_init_2_1, (pthread_attr_t *attr), (attr), 0)
+versioned_symbol (libc, __pthread_attr_init_2_1, pthread_attr_init, GLIBC_2_1);
 
 FORWARD (pthread_attr_getdetachstate,
 	 (const pthread_attr_t *attr, int *detachstate), (attr, detachstate),
-	 0);
+	 0)
 FORWARD (pthread_attr_setdetachstate, (pthread_attr_t *attr, int detachstate),
-	 (attr, detachstate), 0);
+	 (attr, detachstate), 0)
 
 FORWARD (pthread_attr_getinheritsched,
-	 (const pthread_attr_t *attr, int *inherit), (attr, inherit), 0);
+	 (const pthread_attr_t *attr, int *inherit), (attr, inherit), 0)
 FORWARD (pthread_attr_setinheritsched, (pthread_attr_t *attr, int inherit),
-	 (attr, inherit), 0);
+	 (attr, inherit), 0)
 
 FORWARD (pthread_attr_getschedparam,
 	 (const pthread_attr_t *attr, struct sched_param *param),
-	 (attr, param), 0);
+	 (attr, param), 0)
 FORWARD (pthread_attr_setschedparam,
 	 (pthread_attr_t *attr, const struct sched_param *param),
-	 (attr, param), 0);
+	 (attr, param), 0)
 
 FORWARD (pthread_attr_getschedpolicy,
-	 (const pthread_attr_t *attr, int *policy), (attr, policy), 0);
+	 (const pthread_attr_t *attr, int *policy), (attr, policy), 0)
 FORWARD (pthread_attr_setschedpolicy, (pthread_attr_t *attr, int policy),
-	 (attr, policy), 0);
+	 (attr, policy), 0)
 
 FORWARD (pthread_attr_getscope,
-	 (const pthread_attr_t *attr, int *scope), (attr, scope), 0);
+	 (const pthread_attr_t *attr, int *scope), (attr, scope), 0)
 FORWARD (pthread_attr_setscope, (pthread_attr_t *attr, int scope),
-	 (attr, scope), 0);
+	 (attr, scope), 0)
 
 
-FORWARD (pthread_condattr_destroy, (pthread_condattr_t *attr), (attr), 0);
-FORWARD (pthread_condattr_init, (pthread_condattr_t *attr), (attr), 0);
+FORWARD (pthread_condattr_destroy, (pthread_condattr_t *attr), (attr), 0)
+FORWARD (pthread_condattr_init, (pthread_condattr_t *attr), (attr), 0)
 
 
-FORWARD (pthread_cond_broadcast, (pthread_cond_t *cond), (cond), 0);
+FORWARD (pthread_cond_broadcast, (pthread_cond_t *cond), (cond), 0)
 
-FORWARD (pthread_cond_destroy, (pthread_cond_t *cond), (cond), 0);
+FORWARD (pthread_cond_destroy, (pthread_cond_t *cond), (cond), 0)
 
 FORWARD (pthread_cond_init,
 	 (pthread_cond_t *cond, const pthread_condattr_t *cond_attr),
-	 (cond, cond_attr), 0);
+	 (cond, cond_attr), 0)
 
-FORWARD (pthread_cond_signal, (pthread_cond_t *cond), (cond), 0);
+FORWARD (pthread_cond_signal, (pthread_cond_t *cond), (cond), 0)
 
 FORWARD (pthread_cond_wait, (pthread_cond_t *cond, pthread_mutex_t *mutex),
-	 (cond, mutex), 0);
+	 (cond, mutex), 0)
 
 
 FORWARD (pthread_equal, (pthread_t thread1, pthread_t thread2),
-	 (thread1, thread2), 1);
+	 (thread1, thread2), 1)
 
 
-FORWARD3 (pthread_exit, void, (void *retval), (retval), exit (EXIT_SUCCESS),
-	  GLIBC_2_0);
+/* Use an alias to avoid warning, as pthread_exit is declared noreturn.  */
+FORWARD2 (__pthread_exit, void, (void *retval), (retval), exit (EXIT_SUCCESS))
+strong_alias (__pthread_exit, pthread_exit);
 
 
 FORWARD (pthread_getschedparam,
 	 (pthread_t target_thread, int *policy, struct sched_param *param),
-	 (target_thread, policy, param), 0);
+	 (target_thread, policy, param), 0)
 FORWARD (pthread_setschedparam,
 	 (pthread_t target_thread, int policy,
-	  const struct sched_param *param), (target_thread, policy, param), 0);
+	  const struct sched_param *param), (target_thread, policy, param), 0)
 
 
-FORWARD (pthread_mutex_destroy, (pthread_mutex_t *mutex), (mutex), 0);
+FORWARD (pthread_mutex_destroy, (pthread_mutex_t *mutex), (mutex), 0)
 
 FORWARD (pthread_mutex_init,
 	 (pthread_mutex_t *mutex, const pthread_mutexattr_t *mutexattr),
-	 (mutex, mutexattr), 0);
+	 (mutex, mutexattr), 0)
 
-FORWARD (pthread_mutex_lock, (pthread_mutex_t *mutex), (mutex), 0);
+FORWARD (pthread_mutex_lock, (pthread_mutex_t *mutex), (mutex), 0)
 
-FORWARD (pthread_mutex_unlock, (pthread_mutex_t *mutex), (mutex), 0);
+FORWARD (pthread_mutex_unlock, (pthread_mutex_t *mutex), (mutex), 0)
 
 
-FORWARD3 (pthread_self, pthread_t, (void), (), return 0, GLIBC_2_0);
+FORWARD2 (pthread_self, pthread_t, (void), (), return 0)
 
 
 FORWARD (pthread_setcancelstate, (int state, int *oldstate), (state, oldstate),
-	 0);
+	 0)
 
-FORWARD (pthread_setcanceltype, (int type, int *oldtype), (type, oldtype), 0);
-
-
-#endif
+FORWARD (pthread_setcanceltype, (int type, int *oldtype), (type, oldtype), 0)
--- libc/linuxthreads/internals.h.jj	2002-12-27 21:49:58.000000000 +0100
+++ libc/linuxthreads/internals.h	2002-12-27 21:49:58.000000000 +0100
@@ -483,8 +483,8 @@ extern void __libc_disable_asynccancel (
 struct pthread_functions
 {
   int (*ptr_pthread_attr_destroy) (pthread_attr_t *);
-  int (*ptr_pthread_attr_init_2_0) (pthread_attr_t *);
-  int (*ptr_pthread_attr_init_2_1) (pthread_attr_t *);
+  int (*ptr___pthread_attr_init_2_0) (pthread_attr_t *);
+  int (*ptr___pthread_attr_init_2_1) (pthread_attr_t *);
   int (*ptr_pthread_attr_getdetachstate) (const pthread_attr_t *, int *);
   int (*ptr_pthread_attr_setdetachstate) (pthread_attr_t *, int);
   int (*ptr_pthread_attr_getinheritsched) (const pthread_attr_t *, int *);
@@ -505,7 +505,7 @@ struct pthread_functions
   int (*ptr_pthread_cond_signal) (pthread_cond_t *);
   int (*ptr_pthread_cond_wait) (pthread_cond_t *, pthread_mutex_t *);
   int (*ptr_pthread_equal) (pthread_t, pthread_t);
-  void (*ptr_pthread_exit) (void *);
+  void (*ptr___pthread_exit) (void *);
   int (*ptr_pthread_getschedparam) (pthread_t, int *, struct sched_param *);
   int (*ptr_pthread_setschedparam) (pthread_t, int,
 				    const struct sched_param *);
--- libc/linuxthreads/pthread.c.jj	2002-12-28 16:10:08.000000000 +0100
+++ libc/linuxthreads/pthread.c	2002-12-30 13:38:46.000000000 +0100
@@ -240,9 +240,9 @@ static struct pthread_functions pthread_
 #endif
     .ptr_pthread_attr_destroy = __pthread_attr_destroy,
 #if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
-    .ptr_pthread_attr_init_2_0 = __pthread_attr_init_2_0,
+    .ptr___pthread_attr_init_2_0 = __pthread_attr_init_2_0,
 #endif
-    .ptr_pthread_attr_init_2_1 = __pthread_attr_init_2_1,
+    .ptr___pthread_attr_init_2_1 = __pthread_attr_init_2_1,
     .ptr_pthread_attr_getdetachstate = __pthread_attr_getdetachstate,
     .ptr_pthread_attr_setdetachstate = __pthread_attr_setdetachstate,
     .ptr_pthread_attr_getinheritsched = __pthread_attr_getinheritsched,
@@ -261,7 +261,7 @@ static struct pthread_functions pthread_
     .ptr_pthread_cond_signal = __pthread_cond_signal,
     .ptr_pthread_cond_wait = __pthread_cond_wait,
     .ptr_pthread_equal = __pthread_equal,
-    .ptr_pthread_exit = __pthread_exit,
+    .ptr___pthread_exit = __pthread_exit,
     .ptr_pthread_getschedparam = __pthread_getschedparam,
     .ptr_pthread_setschedparam = __pthread_setschedparam,
     .ptr_pthread_mutex_destroy = __pthread_mutex_destroy,
--- libc/nptl/forward.c.jj	2002-12-30 13:42:28.000000000 +0100
+++ libc/nptl/forward.c	2002-12-30 14:41:16.000000000 +0100
@@ -29,7 +29,7 @@
 struct pthread_functions __libc_pthread_functions attribute_hidden;
 
 
-#define FORWARD3(name, export, rettype, decl, params, defaction) \
+#define FORWARD2(name, rettype, decl, params, defaction) \
 rettype									      \
 name decl								      \
 {									      \
@@ -39,23 +39,18 @@ name decl								      \
   return __libc_pthread_functions.ptr_##name params;			      \
 }
 
-#define FORWARD2(name, decl, params, defretval) \
-  FORWARD3 (name, name, int, decl, params, return defretval)
-
 #define FORWARD(name, decl, params, defretval) \
-  FORWARD2 (name, decl, params, defretval)
+  FORWARD2 (name, int, decl, params, return defretval)
 
 
 FORWARD (pthread_attr_destroy, (pthread_attr_t *attr), (attr), 0)
 
 #if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_1)
-FORWARD3 (pthread_attr_init_2_0, __pthread_attr_init_2_0, int,
-	  (pthread_attr_t *attr), (attr), return 0)
+FORWARD (__pthread_attr_init_2_0, (pthread_attr_t *attr), (attr), 0)
 compat_symbol (libc, pthread_attr_init_2_0, pthread_attr_init, GLIBC_2_0);
 #endif
 
-FORWARD3 (pthread_attr_init_2_1, __pthread_attr_init_2_1, int,
-	  (pthread_attr_t *attr), (attr), return 0)
+FORWARD (__pthread_attr_init_2_1, (pthread_attr_t *attr), (attr), 0)
 versioned_symbol (libc, __pthread_attr_init_2_1, pthread_attr_init, GLIBC_2_1);
 
 FORWARD (pthread_attr_getdetachstate,
@@ -109,8 +104,9 @@ FORWARD (pthread_equal, (pthread_t threa
 	 (thread1, thread2), 1)
 
 
-FORWARD3 (pthread_exit, pthread_exit, void, (void *retval), (retval),
-	  exit (EXIT_SUCCESS))
+/* Use an alias to avoid warning, as pthread_exit is declared noreturn.  */
+FORWARD2 (__pthread_exit, void, (void *retval), (retval), exit (EXIT_SUCCESS))
+strong_alias (__pthread_exit, pthread_exit);
 
 
 FORWARD (pthread_getschedparam,
@@ -132,7 +128,7 @@ FORWARD (pthread_mutex_lock, (pthread_mu
 FORWARD (pthread_mutex_unlock, (pthread_mutex_t *mutex), (mutex), 0)
 
 
-FORWARD3 (pthread_self, pthread_self, pthread_t, (void), (), return 0)
+FORWARD2 (pthread_self, pthread_t, (void), (), return 0)
 
 
 FORWARD (pthread_setcancelstate, (int state, int *oldstate), (state, oldstate),
--- libc/nptl/pthreadP.h.jj	2002-12-17 03:01:54.000000000 +0100
+++ libc/nptl/pthreadP.h	2002-12-17 03:01:54.000000000 +0100
@@ -72,8 +72,8 @@ extern int __pthread_debug attribute_hid
 struct pthread_functions
 {
   int (*ptr_pthread_attr_destroy) (pthread_attr_t *);
-  int (*ptr_pthread_attr_init_2_0) (pthread_attr_t *);
-  int (*ptr_pthread_attr_init_2_1) (pthread_attr_t *);
+  int (*ptr___pthread_attr_init_2_0) (pthread_attr_t *);
+  int (*ptr___pthread_attr_init_2_1) (pthread_attr_t *);
   int (*ptr_pthread_attr_getdetachstate) (const pthread_attr_t *, int *);
   int (*ptr_pthread_attr_setdetachstate) (pthread_attr_t *, int);
   int (*ptr_pthread_attr_getinheritsched) (const pthread_attr_t *, int *);
@@ -94,7 +94,7 @@ struct pthread_functions
   int (*ptr_pthread_cond_signal) (pthread_cond_t *);
   int (*ptr_pthread_cond_wait) (pthread_cond_t *, pthread_mutex_t *);
   int (*ptr_pthread_equal) (pthread_t, pthread_t);
-  void (*ptr_pthread_exit) (void *);
+  void (*ptr___pthread_exit) (void *);
   int (*ptr_pthread_getschedparam) (pthread_t, int *, struct sched_param *);
   int (*ptr_pthread_setschedparam) (pthread_t, int,
 				    const struct sched_param *);
--- libc/nptl/init.c.jj	2002-12-17 03:02:26.000000000 +0100
+++ libc/nptl/init.c	2002-12-30 13:51:21.000000000 +0100
@@ -56,8 +56,8 @@ extern void __libc_setup_tls (size_t tcb
 static struct pthread_functions pthread_functions =
   {
     .ptr_pthread_attr_destroy = __pthread_attr_destroy,
-    .ptr_pthread_attr_init_2_0 = __pthread_attr_init_2_0,
-    .ptr_pthread_attr_init_2_1 = __pthread_attr_init_2_1,
+    .ptr___pthread_attr_init_2_0 = __pthread_attr_init_2_0,
+    .ptr___pthread_attr_init_2_1 = __pthread_attr_init_2_1,
     .ptr_pthread_attr_getdetachstate = __pthread_attr_getdetachstate,
     .ptr_pthread_attr_setdetachstate = __pthread_attr_setdetachstate,
     .ptr_pthread_attr_getinheritsched = __pthread_attr_getinheritsched,
@@ -76,7 +76,7 @@ static struct pthread_functions pthread_
     .ptr_pthread_cond_signal = __pthread_cond_signal,
     .ptr_pthread_cond_wait = __pthread_cond_wait,
     .ptr_pthread_equal = __pthread_equal,
-    .ptr_pthread_exit = __pthread_exit,
+    .ptr___pthread_exit = __pthread_exit,
     .ptr_pthread_getschedparam = __pthread_getschedparam,
     .ptr_pthread_setschedparam = __pthread_setschedparam,
     .ptr_pthread_mutex_destroy = INTUSE(__pthread_mutex_destroy),

	Jakub

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] forward.c changes in linuxthreads and nptl
  2002-12-30  7:35 [PATCH] forward.c changes in linuxthreads and nptl Jakub Jelinek
@ 2002-12-30 15:52 ` Ulrich Drepper
  0 siblings, 0 replies; 2+ messages in thread
From: Ulrich Drepper @ 2002-12-30 15:52 UTC (permalink / raw)
  To: Jakub Jelinek; +Cc: Roland McGrath, Glibc hackers

Jakub Jelinek wrote:

> The following patch changes linuxthreads forward.c to export the
> wrappers plus simplifies nptl forward.c (and removes some warnings).

I've checked the patch in.  Thanks,

-- 
--------------.                        ,-.            444 Castro Street
Ulrich Drepper \    ,-----------------'   \ Mountain View, CA 94041 USA
Red Hat         `--' drepper at redhat.com `---------------------------

^ permalink raw reply	[flat|nested] 2+ messages in thread

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