aboutsummaryrefslogtreecommitdiff
path: root/libio/__fsetlocking.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2000-09-01 08:56:06 +0000
committerUlrich Drepper <drepper@redhat.com>2000-09-01 08:56:06 +0000
commita91d3cd37bec7699597a45016f4cec985b9f3482 (patch)
tree74baaf806a322ebc3fa1004155077ee6b8e09b68 /libio/__fsetlocking.c
parent6f7fa17e402e8cc267651b67669f04f70bc80527 (diff)
downloadglibc-a91d3cd37bec7699597a45016f4cec985b9f3482.zip
glibc-a91d3cd37bec7699597a45016f4cec985b9f3482.tar.gz
glibc-a91d3cd37bec7699597a45016f4cec985b9f3482.tar.bz2
Update.
* libio/Makefile (headers): Add stdio_ext.h. (routines): Add __fbufsize, __freading, __fwriting, __freadable, __fwritable, __flbf, __fpurge, __fpending, and __fsetlocking. * libio/Versions [libc] (GLIBC_2.2): Add __fbufsize, __freading, __fwriting, __freadable, __fwritable, __flbf, __fpurge, __fpending, __fsetlocking, and _flushlbf. * libio/__fbufsize.c: New file. * libio/__flbf.c: New file. * libio/__fpending.c: New file. * libio/__fpurge.c: New file. * libio/__freadable.c: New file. * libio/__freading.c: New file. * libio/__fsetlocking.c: New file. * libio/__fwritable.c: New file. * libio/__fwriting.c: New file. * libio/stdio_ext.h: New file. * libio/genops.c (_IO_flush_all_linebuffered): Add alias _flushlbf. * libio/libio.h (_IO_USER_LOCK): Define.
Diffstat (limited to 'libio/__fsetlocking.c')
-rw-r--r--libio/__fsetlocking.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/libio/__fsetlocking.c b/libio/__fsetlocking.c
new file mode 100644
index 0000000..d5d94e0
--- /dev/null
+++ b/libio/__fsetlocking.c
@@ -0,0 +1,42 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU IO Library.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This library is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this library; see the file COPYING. If not, write to
+ the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA.
+
+ As a special exception, if you link this library with files
+ compiled with a GNU compiler to produce an executable, this does
+ not cause the resulting executable to be covered by the GNU General
+ Public License. This exception does not however invalidate any
+ other reasons why the executable file might be covered by the GNU
+ General Public License. */
+
+#include <stdio_ext.h>
+
+int
+__fsetlocking (FILE *fp, int type)
+{
+ int result = ((fp->_flags & _IO_USER_LOCK)
+ ? FSETLOCKING_BYCALLER : FSETLOCKING_INTERNAL);
+
+ if (type != FSETLOCKING_QUERY)
+ {
+ fp->_flags &= ~_IO_USER_LOCK;
+ if (type == FSETLOCKING_BYCALLER)
+ fp->_flags |= _IO_USER_LOCK;
+ }
+
+ return result;
+}