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authorUlrich Drepper <drepper@redhat.com>2001-04-23 09:06:27 +0000
committerUlrich Drepper <drepper@redhat.com>2001-04-23 09:06:27 +0000
commitbc183edc4e9fb3bd3bf68a99592e5b9e6a850d79 (patch)
tree695fb80ff9afc227cf55f633559184b92d9827d8 /sysdeps/posix/fpathconf.c
parent92c2e46b9663794c4585bf65f5e53d61638227aa (diff)
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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.
Diffstat (limited to 'sysdeps/posix/fpathconf.c')
-rw-r--r--sysdeps/posix/fpathconf.c12
1 files changed, 11 insertions, 1 deletions
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