merge from gcc

1 files changed, 12 insertions, 3 deletions

diff --git a/libiberty/functions.texi b/libiberty/functions.texi
index 47d40ec..e55d2d5 100644
--- a/libiberty/functions.texi
+++ b/libiberty/functions.texi
@@ -362,7 +362,7 @@ and inode numbers.
 
 @end deftypefn
 
-@c fopen_unlocked.c:32
+@c fopen_unlocked.c:40
 @deftypefn Extension FILE * fdopen_unlocked (int @var{fildes}, const char * @var{mode})
 
 Opens and returns a @code{FILE} pointer via @code{fdopen}.  If the
@@ -431,7 +431,7 @@ Ignores case when performing the comparison.
 
 @end deftypefn
 
-@c fopen_unlocked.c:23
+@c fopen_unlocked.c:31
 @deftypefn Extension FILE * fopen_unlocked (const char *@var{path}, const char * @var{mode})
 
 Opens and returns a @code{FILE} pointer via @code{fopen}.  If the
@@ -451,7 +451,7 @@ itself.
 
 @end deftypefn
 
-@c fopen_unlocked.c:41
+@c fopen_unlocked.c:49
 @deftypefn Extension FILE * freopen_unlocked (const char * @var{path}, const char * @var{mode}, FILE * @var{stream})
 
 Opens and returns a @code{FILE} pointer via @code{freopen}.  If the
@@ -1201,6 +1201,15 @@ was made to unlink the file because it is special.
 
 @end deftypefn
 
+@c fopen_unlocked.c:23
+@deftypefn Extension void unlock_stream (FILE * @var{stream})
+
+If the OS supports it, ensure that the supplied stream is setup to
+avoid any multi-threaded locking.  Otherwise leave the @code{FILE}
+pointer unchanged.  If the @var{stream} is @code{NULL} do nothing.
+
+@end deftypefn
+
 @c vasprintf.c:47
 @deftypefn Extension int vasprintf (char **@var{resptr}, const char *@var{format}, va_list @var{args})