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authorUlrich Drepper <drepper@redhat.com>2002-12-13 10:59:14 +0000
committerUlrich Drepper <drepper@redhat.com>2002-12-13 10:59:14 +0000
commit9ae0909b35bc7ed04897536cbf224f7e134b5184 (patch)
treeaa669fa5f77206d19f065a05859b8c52032019ad /nptl/sysdeps/unix/sysv/linux/read.c
parentb9633fccd30c9cb390295ca0c43477f2bef986af (diff)
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Update.
2002-12-13 Ulrich Drepper <drepper@redhat.com> * misc/syslog.c (log_cleanup): Don't use parameter in __libc_lock_unlock call, use syslog_lock directly. Adjust callers to pass NULL instead of a pointer to syslog_lock.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/read.c')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/read.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/read.c b/nptl/sysdeps/unix/sysv/linux/read.c
new file mode 100644
index 0000000000..ea04002023
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/read.c
@@ -0,0 +1,50 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <sysdep.h>
+#include <unistd.h>
+#include <nptl/pthreadP.h>
+#include <tls.h>
+
+
+ssize_t
+__libc_read (int fd, void *buf, size_t count)
+{
+#ifndef NOT_IN_libc
+ if (__builtin_expect (THREAD_GETMEM (THREAD_SELF,
+ header.data.multiple_threads) == 0, 1))
+ return INLINE_SYSCALL (read, 3, fd, buf, count);
+
+ int oldtype = LIBC_CANCEL_ASYNC ();
+#endif
+
+ ssize_t result = INLINE_SYSCALL (read, 3, fd, buf, count);
+
+#ifndef NOT_IN_libc
+ LIBC_CANCEL_RESET (oldtype);
+#endif
+
+ return result;
+}
+libc_hidden_def (__libc_read)
+strong_alias (__libc_read, __read)
+libc_hidden_weak (__read)
+weak_alias (__libc_read, read)