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Diffstat (limited to 'libc/sysdeps/linux/common/not-cancel.h')
-rw-r--r--libc/sysdeps/linux/common/not-cancel.h61
1 files changed, 51 insertions, 10 deletions
diff --git a/libc/sysdeps/linux/common/not-cancel.h b/libc/sysdeps/linux/common/not-cancel.h
index ebdc6078d..9418417b4 100644
--- a/libc/sysdeps/linux/common/not-cancel.h
+++ b/libc/sysdeps/linux/common/not-cancel.h
@@ -1,19 +1,60 @@
-/* By default we have none. Map the name to the normal functions. */
+/* Uncancelable versions of cancelable interfaces. Linux version.
+ Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ 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 <sysdep.h>
+
+/* Uncancelable open. */
#define open_not_cancel(name, flags, mode) \
- open (name, flags, mode)
+ INLINE_SYSCALL (open, 3, (const char *) (name), (flags), (mode))
#define open_not_cancel_2(name, flags) \
- open (name, flags)
+ INLINE_SYSCALL (open, 2, (const char *) (name), (flags))
+
+/* Uncancelable close. */
#define close_not_cancel(fd) \
- close (fd)
+ INLINE_SYSCALL (close, 1, fd)
#define close_not_cancel_no_status(fd) \
- (void) close (fd)
+ (void) ({ INTERNAL_SYSCALL_DECL (err); \
+ INTERNAL_SYSCALL (close, err, 1, (fd)); })
+
+/* Uncancelable read. */
#define read_not_cancel(fd, buf, n) \
- read (fd, buf, n)
+ INLINE_SYSCALL (read, 3, (fd), (buf), (n))
+
+/* Uncancelable write. */
#define write_not_cancel(fd, buf, n) \
- write (fd, buf, n)
+ INLINE_SYSCALL (write, 3, (fd), (buf), (n))
+
+/* Uncancelable writev. */
#define writev_not_cancel_no_status(fd, iov, n) \
- (void) writev (fd, iov, n)
+ (void) ({ INTERNAL_SYSCALL_DECL (err); \
+ INTERNAL_SYSCALL (writev, err, 3, (fd), (iov), (n)); })
+
+/* Uncancelable fcntl. */
#define fcntl_not_cancel(fd, cmd, val) \
- fcntl (fd, cmd, val)
+ __fcntl_nocancel (fd, cmd, val)
+
+/* Uncancelable waitpid. */
+#ifdef __NR_waitpid
# define waitpid_not_cancel(pid, stat_loc, options) \
- waitpid (pid, stat_loc, options)
+ INLINE_SYSCALL (waitpid, 3, pid, stat_loc, options)
+#else
+# define waitpid_not_cancel(pid, stat_loc, options) \
+ INLINE_SYSCALL (wait4, 4, pid, stat_loc, options, NULL)
+#endif