enable building __fcntl_nocancel, as it used unconditionally now

also sync up not-cancel.h headers between all three thread libraries

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

libc/sysdeps/linux/common/__syscall_fcntl.c

@@ -19,7 +19,6 @@
 extern __typeof(fcntl) __libc_fcntl;
 libc_hidden_proto(__libc_fcntl)
 
-#ifdef __UCLIBC_HAS_THREADS_NATIVE__
 int __fcntl_nocancel (int fd, int cmd, ...)
 {
 	va_list ap;
@@ -41,7 +40,6 @@ int __fcntl_nocancel (int fd, int cmd, ...)
 # endif
 	return INLINE_SYSCALL (fcntl, 3, fd, cmd, arg);
 }
-#endif
 
 int __libc_fcntl (int fd, int cmd, ...)
 {

libpthread/linuxthreads.old/sysdeps/pthread/not-cancel.h

@@ -0,0 +1,105 @@
+/* Uncancelable versions of cancelable interfaces.  Linux version.
+   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.
+
+   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 <sys/types.h>
+#include <sysdep.h>
+
+/* Uncancelable open.  */
+#define open_not_cancel(name, flags, mode) \
+   INLINE_SYSCALL (open, 3, (const char *) (name), (flags), (mode))
+#define open_not_cancel_2(name, flags) \
+   INLINE_SYSCALL (open, 2, (const char *) (name), (flags))
+
+/* 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)
+
+/* Uncancelable close.  */
+#define close_not_cancel(fd) \
+  INLINE_SYSCALL (close, 1, fd)
+#define close_not_cancel_no_status(fd) \
+  (void) ({ INTERNAL_SYSCALL_DECL (err);				      \
+	    INTERNAL_SYSCALL (close, err, 1, (fd)); })
+
+/* Uncancelable read.  */
+#define read_not_cancel(fd, buf, n) \
+  INLINE_SYSCALL (read, 3, (fd), (buf), (n))
+
+/* Uncancelable write.  */
+#define write_not_cancel(fd, buf, n) \
+  INLINE_SYSCALL (write, 3, (fd), (buf), (n))
+
+/* Uncancelable writev.  */
+#define writev_not_cancel_no_status(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_nocancel (fd, cmd, val)
+
+/* Uncancelable waitpid.  */
+#ifdef __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
+
+/* 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
+
+/* Uncancelable sigsuspend.  */
+#define sigsuspend_not_cancel(set) \
+  __sigsuspend_nocancel (set)

libpthread/linuxthreads/sysdeps/pthread/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.
 
@@ -18,9 +18,8 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#include <sys/syscall.h>
+#include <sys/types.h>
-#undef INLINE_SYSCALL
+#include <sysdep.h>
-#define INLINE_SYSCALL(func, numargs, args...) syscall(__NR_ ## func, args)
 
 /* Uncancelable open.  */
 #define open_not_cancel(name, flags, mode) \
@@ -28,6 +27,28 @@
 #define open_not_cancel_2(name, flags) \
    INLINE_SYSCALL (open, 2, (const char *) (name), (flags))
 
+/* 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)
+
 /* Uncancelable close.  */
 #define close_not_cancel(fd) \
   INLINE_SYSCALL (close, 1, fd)
@@ -60,3 +81,25 @@
 # define waitpid_not_cancel(pid, stat_loc, options) \
   INLINE_SYSCALL (wait4, 4, pid, stat_loc, options, NULL)
 #endif
+
+/* 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
+
+/* Uncancelable sigsuspend.  */
+#define sigsuspend_not_cancel(set) \
+  __sigsuspend_nocancel (set)

libpthread/nptl/sysdeps/unix/sysv/linux/powerpc/not-cancel.h

@@ -1 +0,0 @@
-#include "../i386/not-cancel.h"