From d369ad760d0a2bc585cb5b076a67d565573ee915 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Sun, 12 Feb 2006 21:41:44 +0000
Subject: [BZ #2226]

2006-02-12  Ulrich Drepper  <drepper@redhat.com>
	* io/ftw.c: Start using *at functions.
	* io/ftw64.c: Likewise.

	* sysdeps/generic/not-cancel.h: Define openat_not_cancel,
	openat_not_cancel_3, openat64_not_cancel, and openat64_not_cancel_3.
	* sysdeps/unix/sysv/linux/not-cancel.h: Likewise.

	* sysdeps/unix/sysv/linux/openat.c: Create separate _nocancel
	functions.

	* io/fxstatat.c: Add __fxstatat alias.
	* sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c: Likewise.
	* sysdeps/unix/sysv/linux/fxstatat.c: Likewise.  Add support for
	newfstatat syscall.
	* sysdeps/unix/sysv/linux/i386/fxstatat.c: Add __fxstatat alias.
	Add support for fstatat64 syscall.
	* include/sys/stat.h: Declare __fxstatat.
	* io/fxstatat64.c: Add __fxstatat64 alias.
	* sysdeps/unix/sysv/linux/fxstatat64.c: Add support for fstatat64
	syscall.

	* dirent/fdopendir.c: Add __fdopendir alias.
	* sysdeps/unix/fdopendir.c: Likewise.
	* sysdeps/mach/hurd/fdopendir.c: Likewise.
	* include/dirent.h: Add __fdopendir declaration.

	[BZ #2226]
	* libio/wgenops.c (_IO_wsetb): Use correct size of wide char
	buffer in FREE_BUF call.
---
 sysdeps/unix/sysv/linux/openat.c | 75 +++++++++++++++++++++++-----------------
 1 file changed, 43 insertions(+), 32 deletions(-)

(limited to 'sysdeps/unix/sysv/linux/openat.c')

diff --git a/sysdeps/unix/sysv/linux/openat.c b/sysdeps/unix/sysv/linux/openat.c
index 4c1f302ab0..38ffe85b56 100644
--- a/sysdeps/unix/sysv/linux/openat.c
+++ b/sysdeps/unix/sysv/linux/openat.c
@@ -25,6 +25,7 @@
 #include <sys/stat.h>
 #include <kernel-features.h>
 #include <sysdep-cancel.h>
+#include <not-cancel.h>
 
 
 #if !defined OPENAT && !defined __ASSUME_ATFCTS
@@ -62,23 +63,19 @@ __atfct_seterrno (int errval, int fd, const char *buf)
 int __have_atfcts;
 #endif
 
-/* Open FILE with access OFLAG.  Interpret relative paths relative to
-   the directory associated with FD.  If OFLAG includes O_CREAT, a
-   third argument is the file protection.  */
+
+#define OPENAT_NOT_CANCEL CONCAT (OPENAT)
+#define CONCAT(name) CONCAT2 (name)
+#define CONCAT2(name) __##name##_nocancel
+
+
 int
-OPENAT (fd, file, oflag)
+OPENAT_NOT_CANCEL (fd, file, oflag, mode)
      int fd;
      const char *file;
      int oflag;
+     mode_t mode;
 {
-  mode_t mode = 0;
-  if (oflag & O_CREAT)
-    {
-      va_list arg;
-      va_start (arg, oflag);
-      mode = va_arg (arg, mode_t);
-      va_end (arg);
-    }
 
   /* We have to add the O_LARGEFILE flag for openat64.  */
 #ifdef MORE_OFLAGS
@@ -93,16 +90,7 @@ OPENAT (fd, file, oflag)
   if (__have_atfcts >= 0)
 # endif
     {
-      if (SINGLE_THREAD_P)
-	res = INLINE_SYSCALL (openat, 4, fd, file, oflag, mode);
-      else
-	{
-	  int oldtype = LIBC_CANCEL_ASYNC ();
-
-	  res = INLINE_SYSCALL (openat, 4, fd, file, oflag, mode);
-
-	  LIBC_CANCEL_RESET (oldtype);
-	}
+      res = INLINE_SYSCALL (openat, 4, fd, file, oflag, mode);
 
 # ifndef __ASSUME_ATFCTS
       if (res == -1 && errno == ENOSYS)
@@ -130,20 +118,12 @@ OPENAT (fd, file, oflag)
       size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
       buf = alloca (buflen);
 
+      /* Note: snprintf cannot be canceled.  */
       __snprintf (buf, buflen, procfd, fd, file);
       file = buf;
     }
 
-  if (SINGLE_THREAD_P)
-    res = INTERNAL_SYSCALL (open, err, 3, file, oflag, mode);
-  else
-    {
-      int oldtype = LIBC_CANCEL_ASYNC ();
-
-      res = INTERNAL_SYSCALL (open, err, 3, file, oflag, mode);
-
-      LIBC_CANCEL_RESET (oldtype);
-    }
+  res = INTERNAL_SYSCALL (open, err, 3, file, oflag, mode);
 
   if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (res, err), 0))
     {
@@ -154,3 +134,34 @@ OPENAT (fd, file, oflag)
   return res;
 #endif
 }
+
+
+/* Open FILE with access OFLAG.  Interpret relative paths relative to
+   the directory associated with FD.  If OFLAG includes O_CREAT, a
+   third argument is the file protection.  */
+int
+OPENAT (fd, file, oflag)
+     int fd;
+     const char *file;
+     int oflag;
+{
+  mode_t mode = 0;
+  if (oflag & O_CREAT)
+    {
+      va_list arg;
+      va_start (arg, oflag);
+      mode = va_arg (arg, mode_t);
+      va_end (arg);
+    }
+
+  if (SINGLE_THREAD_P)
+    return OPENAT_NOT_CANCEL (fd, file, oflag, mode);
+
+  int oldtype = LIBC_CANCEL_ASYNC ();
+
+  int res = OPENAT_NOT_CANCEL (fd, file, oflag, mode);
+
+  LIBC_CANCEL_RESET (oldtype);
+
+  return res;
+}
-- 
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