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-rw-r--r--libc/sysdeps/linux/common/not-cancel.h61
1 files changed, 58 insertions, 3 deletions
diff --git a/libc/sysdeps/linux/common/not-cancel.h b/libc/sysdeps/linux/common/not-cancel.h
index b3484de38..6a4dee4f8 100644
--- a/libc/sysdeps/linux/common/not-cancel.h
+++ b/libc/sysdeps/linux/common/not-cancel.h
@@ -1,5 +1,5 @@
/* Uncancelable versions of cancelable interfaces. Linux version.
- Copyright (C) 2003 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
@@ -18,6 +18,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+#include <sys/types.h>
#include <sysdep.h>
#ifdef NOT_IN_libc
@@ -28,6 +29,30 @@
#define open_not_cancel_2(name, flags) \
INLINE_SYSCALL (open, 2, (const char *) (name), (flags))
+#if 0
+/* Uncancelable openat. */
+#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
+extern int __openat_nocancel (int fd, const char *fname, int oflag,
+ mode_t mode) attribute_hidden;
+extern int __openat64_nocancel (int fd, const char *fname, int oflag,
+ mode_t mode) attribute_hidden;
+#else
+# define __openat_nocancel(fd, fname, oflag, mode) \
+ openat (fd, fname, oflag, mode)
+# define __openat64_nocancel(fd, fname, oflag, mode) \
+ openat64 (fd, fname, oflag, mode)
+#endif
+
+#define openat_not_cancel(fd, fname, oflag, mode) \
+ __openat_nocancel (fd, fname, oflag, mode)
+#define openat_not_cancel_3(fd, fname, oflag) \
+ __openat_nocancel (fd, fname, oflag, 0)
+#define openat64_not_cancel(fd, fname, oflag, mode) \
+ __openat64_nocancel (fd, fname, oflag, mode)
+#define openat64_not_cancel_3(fd, fname, oflag) \
+ __openat64_nocancel (fd, fname, oflag, 0)
+#endif
+
/* Uncancelable close. */
#define close_not_cancel(fd) \
INLINE_SYSCALL (close, 1, fd)
@@ -39,10 +64,13 @@
#define read_not_cancel(fd, buf, n) \
INLINE_SYSCALL (read, 3, (fd), (buf), (n))
+#ifdef __LINUXTHREADS_NEW__
/* Uncancelable write. */
#define write_not_cancel(fd, buf, n) \
INLINE_SYSCALL (write, 3, (fd), (buf), (n))
+#endif
+#if 0
/* Uncancelable writev. */
#define writev_not_cancel_no_status(fd, iov, n) \
(void) ({ INTERNAL_SYSCALL_DECL (err); \
@@ -51,17 +79,44 @@
/* Uncancelable fcntl. */
#define fcntl_not_cancel(fd, cmd, val) \
__fcntl_nocancel (fd, cmd, val)
+#endif
+#ifdef __LINUXTHREADS_NEW__
/* Uncancelable waitpid. */
-#ifdef __NR_waitpid
+#if 0 /*def __NR_waitpid*/
# define waitpid_not_cancel(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
+#endif
-#else
+/* Uncancelable pause. */
+#ifdef __NR_pause
+# define pause_not_cancel() \
+ INLINE_SYSCALL (pause, 0)
+/*#else
+# define pause_not_cancel() \
+ __pause_nocancel ()*/
+#endif
+
+/* Uncancelable nanosleep. */
+#ifdef __NR_nanosleep
+# define nanosleep_not_cancel(requested_time, remaining) \
+ INLINE_SYSCALL (nanosleep, 2, requested_time, remaining)
+/*#else
+# define nanosleep_not_cancel(requested_time, remaining) \
+ __nanosleep_nocancel (requested_time, remaining)*/
+#endif
+
+#if 0
+/* Uncancelable sigsuspend. */
+#define sigsuspend_not_cancel(set) \
+ __sigsuspend_nocancel (set)
+#endif
+
+#elif !defined NOT_IN_libc
#include <cancel.h>
#include <fcntl.h>