From 6ee8d3345646ab0bea91891362a2bbf15503edec Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Sun, 15 Dec 2002 10:26:23 +0000
Subject: Update.

2002-12-15  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/generic/sysdep-cancel.h: Add dummy definitions for
	SINGLE_THREAD_P, LIBC_CANCEL_ASYNC, and LIBC_CANCEL_RESET.

	* sysdeps/unix/sysv/linux/open64.c: New file.

	* sysdeps/generic/pselect.c: Add support for cancellation handling.
	* sysdeps/posix/open64.c: Likewise.
	* sysdeps/posix/sigpause.c: Likewise.
	* sysdeps/posix/sigwait.c: Likewise.
	* sysdeps/posix/system.c: Likewise.
	* sysdeps/posix/waitid.c: Likewise.
	* sysdeps/unix/sysv/linux/accept.S: Likewise.
	* sysdeps/unix/sysv/linux/connect.S: Likewise.
	* sysdeps/unix/sysv/linux/llseek.c: Likewise.
	* sysdeps/unix/sysv/linux/msgrcv.c: Likewise.
	* sysdeps/unix/sysv/linux/msgsnd.c: Likewise.
	* sysdeps/unix/sysv/linux/poll.c: Likewise.
	* sysdeps/unix/sysv/linux/pread.c: Likewise.
	* sysdeps/unix/sysv/linux/pread64.c: Likewise.
	* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
	* sysdeps/unix/sysv/linux/pwrite64.c: Likewise.
	* sysdeps/unix/sysv/linux/readv.c: Likewise.
	* sysdeps/unix/sysv/linux/recv.S: Likewise.
	* sysdeps/unix/sysv/linux/recvfrom.S: Likewise.
	* sysdeps/unix/sysv/linux/recvmsg.S: Likewise.
	* sysdeps/unix/sysv/linux/send.S: Likewise.
	* sysdeps/unix/sysv/linux/sendmsg.S: Likewise.
	* sysdeps/unix/sysv/linux/sendto.S: Likewise.
	* sysdeps/unix/sysv/linux/sigsuspend.c: Likewise.
	* sysdeps/unix/sysv/linux/sigtimedwait.c: Likewise.
	* sysdeps/unix/sysv/linux/sigwait.c: Likewise.
	* sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise.
	* sysdeps/unix/sysv/linux/tcdrain.c: Likewise.
	* sysdeps/unix/sysv/linux/wait.c: Likewise.
	* sysdeps/unix/sysv/linux/waitpid.c: Likewise.
	* sysdeps/unix/sysv/linux/writev.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/fcntl.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/socket.S: Likewise.
---
 sysdeps/unix/sysv/linux/pread.c | 30 +++++++++++++++++++++++-------
 1 file changed, 23 insertions(+), 7 deletions(-)

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

diff --git a/sysdeps/unix/sysv/linux/pread.c b/sysdeps/unix/sysv/linux/pread.c
index 31abf7e886..a506c17e95 100644
--- a/sysdeps/unix/sysv/linux/pread.c
+++ b/sysdeps/unix/sysv/linux/pread.c
@@ -22,7 +22,7 @@
 #include <endian.h>
 #include <unistd.h>
 
-#include <sysdep.h>
+#include <sysdep-cancel.h>
 #include <sys/syscall.h>
 #include <bp-checks.h>
 
@@ -47,12 +47,8 @@ static ssize_t __emulate_pread (int fd, void *buf, size_t count,
 # endif
 
 
-ssize_t
-__libc_pread (fd, buf, count, offset)
-     int fd;
-     void *buf;
-     size_t count;
-     off_t offset;
+static ssize_t
+do_pread (int fd, void *buf, size_t count, off_t offset)
 {
   ssize_t result;
 
@@ -69,6 +65,26 @@ __libc_pread (fd, buf, count, offset)
   return result;
 }
 
+
+ssize_t
+__libc_pread (fd, buf, count, offset)
+     int fd;
+     void *buf;
+     size_t count;
+     off_t offset;
+{
+  if (SINGLE_THREAD_P)
+    return do_pread (fd, buf, count, offset);
+
+  int oldtype = LIBC_CANCEL_ASYNC ();
+
+  ssize_t result = do_pread (fd, buf, count, offset);
+
+  LIBC_CANCEL_RESET (oldtype);
+
+  return result;
+}
+
 strong_alias (__libc_pread, __pread)
 weak_alias (__libc_pread, pread)
 
-- 
cgit 1.4.1