- enable thread support in libobjc

- disable thread priorities in libobjc to avoid thread starvation issues
- major bump lib due to new link dependency on pthread
- link objc regress with -pthread
Tested on i386/amd64/powerpc/landisk/vax/sparc64/hppa. okay espie@

gnu/lib/libobjc/Makefile.bsd-wrapper

@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile.bsd-wrapper,v 1.4 2006/08/28 20:49:50 tsi Exp $
+#	$OpenBSD: Makefile.bsd-wrapper,v 1.5 2007/07/23 17:24:06 kurt Exp $
 
 LIB=		objc
 
@@ -44,8 +44,7 @@ SRCS=archive.c class.c encoding.c gc.c hash.c init.c linking.m misc.c \
 nil_method.c NXConstStr.m Object.m objects.c Protocol.m sarray.c  \
 selector.c sendmsg.c thr.c 
 
-# XXX need to check how threads work.
-SRCS+=thr-single.c
+SRCS+=thr-posix.c
 
 includes:
 	install -d -m 755 -o $(BINOWN) -g $(BINGRP) \

gnu/lib/libobjc/libobjc/thr-posix.c

@@ -96,6 +96,7 @@ __objc_thread_detach(void (*func)(void *arg), void *arg)
 int
 __objc_thread_set_priority(int priority)
 {
+#ifndef __OpenBSD__
   pthread_t thread_id = pthread_self();
   int policy;
   struct sched_param params;
@@ -123,6 +124,7 @@ __objc_thread_set_priority(int priority)
       if (pthread_setschedparam(thread_id, policy, &params) == 0)
         return 0;
     }
+#endif
   return -1;
 }
 
@@ -130,6 +132,9 @@ __objc_thread_set_priority(int priority)
 int
 __objc_thread_get_priority(void)
 {
+#ifdef __OpenBSD__
+  return OBJC_THREAD_INTERACTIVE_PRIORITY;
+#else
   int policy;
   struct sched_param params;
 
@@ -137,6 +142,7 @@ __objc_thread_get_priority(void)
     return params.sched_priority;
   else
     return -1;
+#endif
 }
 
 /* Yield our process time to another thread. */

gnu/lib/libobjc/shlib_version

@@ -1,2 +1,2 @@
-major=3
+major=4
 minor=0

regress/misc/objc/Makefile

@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile,v 1.2 2005/04/18 17:45:46 miod Exp $
+#	$OpenBSD: Makefile,v 1.3 2007/07/23 17:24:06 kurt Exp $
 
 .SUFFIXES: .m
 
@@ -12,6 +12,6 @@ LINK.m?=	${CC} ${CFLAGS} ${CPPFLAGS} ${LDFLAGS}
 
 PROG=	main
 SRCS=	main.m
-LDADD=	-lobjc
+LDADD=	-lobjc -pthread
 
 .include <bsd.regress.mk>