aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2010-07-06 07:48:23 -0700
committerUlrich Drepper <drepper@redhat.com>2010-07-06 07:48:23 -0700
commit8a492a675e566dc1e666df0a86cbf541442cb179 (patch)
treef9a6bec451d68233170d2ed8a13b81cf0b7e27ae
parent03e87550e3be3d008b1eb6174d74d10a51af6e2e (diff)
downloadglibc-8a492a675e566dc1e666df0a86cbf541442cb179.zip
glibc-8a492a675e566dc1e666df0a86cbf541442cb179.tar.gz
glibc-8a492a675e566dc1e666df0a86cbf541442cb179.tar.bz2
Implement _PC_PIPE_BUF.
Now that the kernel has appropriate support we can implement this fpathconf command correctly.
-rw-r--r--ChangeLog5
-rw-r--r--sysdeps/unix/sysv/linux/fpathconf.c11
2 files changed, 15 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 2bfc912..946e945 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-07-06 Ulrich Drepper <drepper@redhat.com>
+
+ * sysdeps/unix/sysv/linux/fpathconf.c (__fpathconf): Implement
+ _PC_PIPE_BUF using F_GETPIPE_SZ.
+
2010-07-02 Ulrich Drepper <drepper@redhat.com>
* elf/Makefile: Fix linking for a few tests to make recent linker
diff --git a/sysdeps/unix/sysv/linux/fpathconf.c b/sysdeps/unix/sysv/linux/fpathconf.c
index 2701c9e..67dc384 100644
--- a/sysdeps/unix/sysv/linux/fpathconf.c
+++ b/sysdeps/unix/sysv/linux/fpathconf.c
@@ -1,5 +1,6 @@
/* Get file-specific information about descriptor FD. Linux version.
- Copyright (C) 1991,1995,1996,1998-2003,2008 Free Software Foundation, Inc.
+ Copyright (C) 1991,1995,1996,1998-2003,2008,2010
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -17,6 +18,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+#include <fcntl.h>
#include "pathconf.h"
static long int posix_fpathconf (int fd, int name);
@@ -33,6 +35,7 @@ __fpathconf (fd, name)
int name;
{
struct statfs fsbuf;
+ int r;
switch (name)
{
@@ -48,6 +51,12 @@ __fpathconf (fd, name)
case _PC_CHOWN_RESTRICTED:
return __statfs_chown_restricted (__fstatfs (fd, &fsbuf), &fsbuf);
+ case _PC_PIPE_BUF:
+ r = fcntl (fd, F_GETPIPE_SZ);
+ if (r > 0)
+ return r;
+ /* FALLTHROUGH */
+
default:
return posix_fpathconf (fd, name);
}