From bc183edc4e9fb3bd3bf68a99592e5b9e6a850d79 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Mon, 23 Apr 2001 09:06:27 +0000
Subject: Update.

2001-04-23  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/posix/pathconf.c (__pathconf): For _PC_ASYNC_IO test
	whether named file is a regular file or a block device.
	* sysdeps/posix/fpathconf.c (__fpathconf): Likewise.
---
 sysdeps/posix/fpathconf.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'sysdeps/posix/fpathconf.c')

diff --git a/sysdeps/posix/fpathconf.c b/sysdeps/posix/fpathconf.c
index 539a6caa25..16f349d953 100644
--- a/sysdeps/posix/fpathconf.c
+++ b/sysdeps/posix/fpathconf.c
@@ -20,6 +20,7 @@
 #include <stddef.h>
 #include <unistd.h>
 #include <limits.h>
+#include <sys/stat.h>
 #include <sys/statfs.h>
 #include <sys/statvfs.h>
 
@@ -142,7 +143,16 @@ __fpathconf (fd, name)
 
     case _PC_ASYNC_IO:
 #ifdef	_POSIX_ASYNC_IO
-      return _POSIX_ASYNC_IO;
+      {
+	/* AIO is only allowed on regular files and block devices.  */
+	struct stat64 st;
+
+	if (__fxstat64 (_STAT_VER, fd, &st) < 0
+	    || (! S_ISREG (st.st_mode) && ! S_ISBLK (st.st_mode)))
+	  return -1;
+	else
+	  return 1;
+      }
 #else
       return -1;
 #endif
-- 
cgit v1.2.3