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authorThomas Bushnell, BSG <thomas@gnu.org>1996-09-12 22:22:29 +0000
committerThomas Bushnell, BSG <thomas@gnu.org>1996-09-12 22:22:29 +0000
commitae2ddc98c17c17897398c8d960d984789ecab0d9 (patch)
tree0cc8f727ebaac4445fb9420043c1fcea61c82a24
parentf33b97f91391579f28d9346967d713345790eaeb (diff)
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*** empty log message ***
	(vfprintf): Only call __libc_cleanup_region_end if USE_IN_LIBIO,
	thus matching the sense of the tests around
	__libc_cleanup_region_start at the front of the function.
	* stdio-common/vfscanf.c: Include <libc-lock.h>.
	(UNLOCK_STREAM) [! USE_IN_LIBIO]: Call
	__libc_cleanup_region_end, not __libc_cleanup_region_start.
-rw-r--r--ChangeLog9
-rw-r--r--stdio-common/vfprintf.c3
-rw-r--r--stdio-common/vfscanf.c3
-rw-r--r--sysdeps/mach/libc-lock.h14
-rw-r--r--sysdeps/stub/intr-msg.h15
5 files changed, 40 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog
index 4b466de74d..2b90349234 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,14 +1,17 @@
 Thu Sep 12 12:33:52 1996  Thomas Bushnell, n/BSG  <thomas@gnu.ai.mit.edu>
 
 	* stdio-common/vfprintf.c: Include <libc-lock.h>.
-	* stdio-common/vfscanf.c: Likewise.
+	(vfprintf): Only call __libc_cleanup_region_end if USE_IN_LIBIO,
+	thus matching the sense of the tests around
+	__libc_cleanup_region_start at the front of the function.
+	* stdio-common/vfscanf.c: Include <libc-lock.h>.
+	(UNLOCK_STREAM) [! USE_IN_LIBIO]: Call
+	__libc_cleanup_region_end, not __libc_cleanup_region_start.
 
 	* sysdeps/mach/libc-lock.h (__libc_cleanup_region_start): New
 	macro.
 	(__libc_cleanup_region_end): New macro.
 
-	* stdio-common/vfscanf.c (UNLOCK_STREAM) [! USE_IN_LIBIO]: Call
-	__libc_cleanup_region_end, not __libc_cleanup_region_start.
 
 Thu Sep 12 03:35:27 1996  Ulrich Drepper  <drepper@cygnus.com>
 
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c
index d27bbdbf57..dc2983d264 100644
--- a/stdio-common/vfprintf.c
+++ b/stdio-common/vfprintf.c
@@ -1311,7 +1311,10 @@ do_positional:
 
 all_done:
   /* Unlock the stream.  */
+#ifdef USE_IN_LIBIO
+  /* (stdio has no locking yet.) */
   __libc_cleanup_region_end (1);
+#endif
 
   return done;
 }
diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c
index 903f5849cc..f83fd281a1 100644
--- a/stdio-common/vfscanf.c
+++ b/stdio-common/vfscanf.c
@@ -24,6 +24,7 @@ Cambridge, MA 02139, USA.  */
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <libc-lock.h>
 
 #ifdef	__GNUC__
 #define	HAVE_LONGLONG
@@ -119,7 +120,7 @@ Cambridge, MA 02139, USA.  */
 # define LOCK_STREAM(S)							      \
   __libc_cleanup_region_start (&__funlockfile, (S));			      \
   __flockfile (S)
-# define UNLOCK_STREAM __libc_cleanup_region_start (1)
+# define UNLOCK_STREAM __libc_cleanup_region_end (1)
 #endif
 #endif
 
diff --git a/sysdeps/mach/libc-lock.h b/sysdeps/mach/libc-lock.h
index 2c39592717..ea3d306a52 100644
--- a/sysdeps/mach/libc-lock.h
+++ b/sysdeps/mach/libc-lock.h
@@ -56,5 +56,19 @@ typedef struct __libc_lock_opaque__ __libc_lock_t;
 /* Unlock the named lock variable.  */
 #define __libc_lock_unlock(NAME) __mutex_unlock (&(NAME))
 
+/* Start a critical region with a cleanup function */
+#define __libc_cleanup_region_start(FCT, ARG)				    \
+{									    \
+  (typeof FCT) __save_FCT = FCT;					    \
+  (typeof ARG) __save_ARG = ARG;					    \
+  /* close brace is in __libc_cleanup_region_end below. */
+
+/* End a critical region started with __libc_cleanup_region_start. */
+#define __libc_cleanup_region_end(DOIT)					    \
+  if (DOIT)								    \
+    (* __save_FCT)(__save_ARG);						    \
+}
+
+      
 
 #endif	/* libc-lock.h */
diff --git a/sysdeps/stub/intr-msg.h b/sysdeps/stub/intr-msg.h
new file mode 100644
index 0000000000..0186aa3323
--- /dev/null
+++ b/sysdeps/stub/intr-msg.h
@@ -0,0 +1,15 @@
+/* Stubby version of intr-msg.h. */
+
+/* This file must be written in machine-dependent form for each hurd port.
+   and define the following:
+
+   INTR_MSG_TRAP
+   INTR_MSG_BACK_OUT
+   SYSCALL_EXAMINE
+   struct mach_msg_trap_args
+   MSG_EXAMINE
+
+   See sysdeps/mach/hurd/i386/intr-msg.h for an example. */
+
+
+#error Could not find machine-dependent intr-msg.h file.