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Date:      Tue, 28 Mar 2006 16:59:27 -0500 (EST)
From:      Daniel Eischen <deischen@freebsd.org>
To:        Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?= <des@des.no>
Cc:        cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org
Subject:   Re: cvs commit: src/lib/libpthread/thread thr_barrier.c
Message-ID:  <Pine.GSO.4.43.0603281658560.18701-200000@sea.ntplx.net>
In-Reply-To: <86mzfauucm.fsf@xps.des.no>

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On Tue, 28 Mar 2006, Dag-Erling [iso-8859-1] Sm=F8rgrav wrote:

> Daniel Eischen <deischen@FreeBSD.org> writes:
> >   Log:
> >   Use the correct type for and argument.  Recent changes to namespace.h
> >   exposed this bug.
>
> You beat me to it...
>
> The attached patch brings libpthread up to WARNS level 2.  More work
> is required for level 3 or higher (missing prototypes for syscall
> wrappers, mostly).

Ok, it looks good to me.

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Content-Disposition: ATTACHMENT; FILENAME="libpthread.diff"

Index: Makefile
===================================================================
RCS file: /home/ncvs/src/lib/libpthread/Makefile,v
retrieving revision 1.56
diff -u -r1.56 Makefile
--- Makefile	16 Mar 2006 15:17:47 -0000	1.56
+++ Makefile	28 Mar 2006 21:32:13 -0000
@@ -25,7 +25,7 @@
 # Uncomment this if you want libpthread to contain debug information for
 # thread locking.
 CFLAGS+=-D_LOCK_DEBUG
-#CFLAGS+= -g
+WARNS?=2
 
 # Uncomment this if you want to build a 1:1 threading mode library
 # however it is no longer strictly conformed to POSIX
Index: thread/thr_getprio.c
===================================================================
RCS file: /home/ncvs/src/lib/libpthread/thread/thr_getprio.c,v
retrieving revision 1.10
diff -u -r1.10 thr_getprio.c
--- thread/thr_getprio.c	13 Mar 2006 00:59:51 -0000	1.10
+++ thread/thr_getprio.c	28 Mar 2006 21:32:13 -0000
@@ -31,8 +31,12 @@
  *
  * $FreeBSD: src/lib/libpthread/thread/thr_getprio.c,v 1.10 2006/03/13 00:59:51 deischen Exp $
  */
+
+#include "namespace.h"
 #include <errno.h>
 #include <pthread.h>
+#include "un-namespace.h"
+
 #include "thr_private.h"
 
 LT10_COMPAT_PRIVATE(_pthread_getprio);
@@ -46,7 +50,7 @@
 	int policy, ret;
 	struct sched_param param;
 
-	if ((ret = pthread_getschedparam(pthread, &policy, &param)) == 0)
+	if ((ret = _pthread_getschedparam(pthread, &policy, &param)) == 0)
 		ret = param.sched_priority;
 	else {
 		/* Invalid thread: */
Index: thread/thr_private.h
===================================================================
RCS file: /home/ncvs/src/lib/libpthread/thread/thr_private.h,v
retrieving revision 1.125
diff -u -r1.125 thr_private.h
--- thread/thr_private.h	13 Mar 2006 00:59:51 -0000	1.125
+++ thread/thr_private.h	28 Mar 2006 21:32:13 -0000
@@ -107,12 +107,16 @@
 /*
  * Kernel fatal error handler macro.
  */
-#define PANIC(string)   _thr_exit(__FILE__,__LINE__,string)
+#define PANIC(string)   _thr_exit(__FILE__, __LINE__, string)
 
 
 /* Output debug messages like this: */
-#define stdout_debug(args...)	_thread_printf(STDOUT_FILENO, ##args)
-#define stderr_debug(args...)	_thread_printf(STDOUT_FILENO, ##args)
+#ifdef STDOUT_FILENO
+#define stdout_debug(...)	_thread_printf(STDOUT_FILENO, __VA_ARGS__)
+#endif
+#ifdef STDERR_FILENO
+#define stderr_debug(...)	_thread_printf(STDERR_FILENO, __VA_ARGS__)
+#endif
 
 #define	DBG_MUTEX	0x0001
 #define	DBG_SIG		0x0002
@@ -449,7 +453,7 @@
  */
 struct pthread_cleanup {
 	struct pthread_cleanup	*next;
-	void			(*routine) ();
+	void			(*routine) (void *);
 	void			*routine_arg;
 	int			onstack;
 };
@@ -486,7 +490,7 @@
 #define	THR_SIGNAL_THREAD	0x200	/* This is a signal thread */
 	int	flags;
 	void	*arg_attr;
-	void	(*cleanup_attr) ();
+	void	(*cleanup_attr) (void *);
 	void	*stackaddr_attr;
 	size_t	stacksize_attr;
 	size_t	guardsize_attr;
@@ -1131,7 +1135,7 @@
 void	_kse_critical_leave(kse_critical_t);
 int	_kse_in_critical(void);
 void	_kse_free(struct pthread *, struct kse *);
-void	_kse_init();
+void	_kse_init(void);
 struct kse_group *_kseg_alloc(struct pthread *);
 void	_kse_lock_wait(struct lock *, struct lockuser *lu);
 void	_kse_lock_wakeup(struct lock *, struct lockuser *lu);
Index: thread/thr_sem.c
===================================================================
RCS file: /home/ncvs/src/lib/libpthread/thread/thr_sem.c,v
retrieving revision 1.18
diff -u -r1.18 thr_sem.c
--- thread/thr_sem.c	13 Mar 2006 00:59:51 -0000	1.18
+++ thread/thr_sem.c	28 Mar 2006 21:32:13 -0000
@@ -52,10 +52,6 @@
 LT10_COMPAT_PRIVATE(_sem_post);
 LT10_COMPAT_DEFAULT(sem_post);
 
-extern int pthread_cond_wait(pthread_cond_t *, pthread_mutex_t *);
-extern int pthread_cond_timedwait(pthread_cond_t *, pthread_mutex_t *,
-		struct timespec *);
-
 __weak_reference(_sem_init, sem_init);
 __weak_reference(_sem_wait, sem_wait);
 __weak_reference(_sem_timedwait, sem_timedwait);
@@ -161,13 +157,13 @@
 		_thr_cancel_leave(curthread, retval != 0);
 	}
 	else {
-		pthread_testcancel();
+		_pthread_testcancel();
 		_pthread_mutex_lock(&(*sem)->lock);
 
 		while ((*sem)->count <= 0) {
 			(*sem)->nwaiters++;
 			THR_CLEANUP_PUSH(curthread, decrease_nwaiters, sem);
-			pthread_cond_wait(&(*sem)->gtzero, &(*sem)->lock);
+			_pthread_cond_wait(&(*sem)->gtzero, &(*sem)->lock);
 			THR_CLEANUP_POP(curthread, 0);
 			(*sem)->nwaiters--;
 		}
@@ -182,7 +178,7 @@
 
 int
 _sem_timedwait(sem_t * __restrict sem,
-    struct timespec * __restrict abs_timeout)
+    const struct timespec * __restrict abs_timeout)
 {
 	struct pthread *curthread;
 	int retval;
@@ -205,7 +201,7 @@
 		 * segfault on an invalid address doesn't end
 		 * up leaving the mutex locked.
 		 */
-		pthread_testcancel();
+		_pthread_testcancel();
 		timeout_invalid = (abs_timeout->tv_nsec >= 1000000000) ||
 		    (abs_timeout->tv_nsec < 0);
 		_pthread_mutex_lock(&(*sem)->lock);
@@ -217,10 +213,10 @@
 				return (-1);
 			}
 			(*sem)->nwaiters++;
-			pthread_cleanup_push(decrease_nwaiters, sem);
-			pthread_cond_timedwait(&(*sem)->gtzero,
+			_pthread_cleanup_push(decrease_nwaiters, sem);
+			_pthread_cond_timedwait(&(*sem)->gtzero,
 			    &(*sem)->lock, abs_timeout);
-			pthread_cleanup_pop(0);
+			_pthread_cleanup_pop(0);
 			(*sem)->nwaiters--;
 		}
 		if ((*sem)->count == 0) {

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