summary refs log tree commit diff
path: root/stdio-common
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>1999-07-09 22:22:21 +0000
committerUlrich Drepper <drepper@redhat.com>1999-07-09 22:22:21 +0000
commit5ef2d37b330420c89cd476afa83ca5a839094796 (patch)
tree14979d91d54cbc2a116baba918dd6d8f05c77c76 /stdio-common
parentfbb802fc7dcc06b8f76bf75de7529edabdd19d4f (diff)
downloadglibc-5ef2d37b330420c89cd476afa83ca5a839094796.tar.gz
glibc-5ef2d37b330420c89cd476afa83ca5a839094796.tar.xz
glibc-5ef2d37b330420c89cd476afa83ca5a839094796.zip
Update.
1999-07-09  Ulrich Drepper  <drepper@cygnus.com>

	* stdio-common/vfprintf.c (buffered_vfprintf): Add locking.
Diffstat (limited to 'stdio-common')
-rw-r--r--stdio-common/vfprintf.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c
index f167058d17..902a70df40 100644
--- a/stdio-common/vfprintf.c
+++ b/stdio-common/vfprintf.c
@@ -1886,6 +1886,10 @@ buffered_vfprintf (register _IO_FILE *s, const CHAR_T *format,
   /* Now print to helper instead.  */
   result = vfprintf (hp, format, args);
 
+  /* Lock stream.  */
+  __libc_cleanup_region_start ((void (*) (void *)) &_IO_funlockfile, s);
+  _IO_flockfile (s);
+
   /* Now flush anything from the helper to the S. */
 #ifdef COMPILE_WPRINTF
   if ((to_flush = (hp->_wide_data->_IO_write_ptr
@@ -1893,16 +1897,20 @@ buffered_vfprintf (register _IO_FILE *s, const CHAR_T *format,
     {
       if ((int) _IO_sputn (s, hp->_wide_data->_IO_write_base, to_flush)
 	  != to_flush)
-	return -1;
+	result = -1;
     }
 #else
   if ((to_flush = hp->_IO_write_ptr - hp->_IO_write_base) > 0)
     {
       if ((int) _IO_sputn (s, hp->_IO_write_base, to_flush) != to_flush)
-	return -1;
+	result = -1;
     }
 #endif
 
+  /* Unlock the stream.  */
+  _IO_funlockfile (s);
+  __libc_cleanup_region_end (0);
+
   return result;
 }