1 files changed, 54 insertions, 68 deletions

diff --git a/sysdeps/unix/sysv/linux/not-cancel.h b/sysdeps/unix/sysv/linux/not-cancel.h
index d23136d2ad..09de92dee9 100644
--- a/sysdeps/unix/sysv/linux/not-cancel.h
+++ b/sysdeps/unix/sysv/linux/not-cancel.h
@@ -1,5 +1,5 @@
 /* Uncancelable versions of cancelable interfaces.  Linux/NPTL version.
-   Copyright (C) 2003-2016 Free Software Foundation, Inc.
+   Copyright (C) 2003-2018 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
 
@@ -20,90 +20,76 @@
 #ifndef NOT_CANCEL_H
 # define NOT_CANCEL_H
 
+#include <fcntl.h>
 #include <sysdep.h>
 #include <errno.h>
 #include <unistd.h>
 #include <sys/syscall.h>
+#include <sys/wait.h>
+#include <time.h>
 
-/* Uncancelable open.  */
-#ifdef __NR_open
-# define open_not_cancel(name, flags, mode) \
-   INLINE_SYSCALL (open, 3, name, flags, mode)
-# define open_not_cancel_2(name, flags) \
-   INLINE_SYSCALL (open, 2, name, flags)
-#else
-# define open_not_cancel(name, flags, mode) \
-   INLINE_SYSCALL (openat, 4, AT_FDCWD, name, flags, mode)
-# define open_not_cancel_2(name, flags) \
-   INLINE_SYSCALL (openat, 3, AT_FDCWD, name, flags)
-#endif
+/* Non cancellable open syscall.  */
+__typeof (open) __open_nocancel;
 
-/* Uncancelable read.  */
-#define __read_nocancel(fd, buf, len) \
-  INLINE_SYSCALL (read, 3, fd, buf, len)
+/* Non cancellable open syscall (LFS version).  */
+__typeof (open64) __open64_nocancel;
 
-/* Uncancelable write.  */
-#define __write_nocancel(fd, buf, len) \
-  INLINE_SYSCALL (write, 3, fd, buf, len)
-
-/* Uncancelable openat.  */
-#define openat_not_cancel(fd, fname, oflag, mode) \
-  INLINE_SYSCALL (openat, 4, fd, fname, oflag, mode)
-#define openat_not_cancel_3(fd, fname, oflag) \
-  INLINE_SYSCALL (openat, 3, fd, fname, oflag)
-#define openat64_not_cancel(fd, fname, oflag, mode) \
-  INLINE_SYSCALL (openat, 4, fd, fname, oflag | O_LARGEFILE, mode)
-#define openat64_not_cancel_3(fd, fname, oflag) \
-  INLINE_SYSCALL (openat, 3, fd, fname, oflag | O_LARGEFILE)
+/* Non cancellable openat syscall.  */
+__typeof (openat) __openat_nocancel;
 
-/* Uncancelable close.  */
-#define __close_nocancel(fd) \
-  INLINE_SYSCALL (close, 1, fd)
-#define close_not_cancel(fd) \
-  __close_nocancel (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) \
-  __read_nocancel (fd, buf, n)
+/* Non cacellable openat syscall (LFS version).  */
+__typeof (openat64) __openat64_nocancel;
 
-/* Uncancelable write.  */
-#define write_not_cancel(fd, buf, n) \
-  __write_nocancel (fd, buf, n)
+/* Non cancellable read syscall.  */
+__typeof (__read) __read_nocancel;
 
-/* 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 write.  */
+__typeof (__write) __write_nocancel;
 
-/* Uncancelable fcntl.  */
-#define fcntl_not_cancel(fd, cmd, val) \
-  __fcntl_nocancel (fd, cmd, val)
+/* Uncancelable close.  */
+__typeof (__close) __close_nocancel;
+
+/* Non cancellable close syscall that does not also set errno in case of
+   failure.  */
+static inline void
+__close_nocancel_nostatus (int fd)
+{
+  __close_nocancel (fd);
+}
+
+/* Non cancellable writev syscall that does not also set errno in case of
+   failure.  */
+static inline void
+__writev_nocancel_nostatus (int fd, const struct iovec *iov, int iovcnt)
+{
+  INTERNAL_SYSCALL_DECL (err);
+  INTERNAL_SYSCALL_CALL (writev, err, fd, iov, iovcnt);
+}
 
 /* Uncancelable waitpid.  */
-#define __waitpid_nocancel(pid, stat_loc, options) \
-  INLINE_SYSCALL (wait4, 4, pid, stat_loc, options, NULL)
-#define waitpid_not_cancel(pid, stat_loc, options) \
-  __waitpid_nocancel(pid, stat_loc, options)
+__typeof (waitpid) __waitpid_nocancel;
 
 /* Uncancelable pause.  */
-#define pause_not_cancel() \
-  ({ sigset_t set; 							     \
-     int __rc = INLINE_SYSCALL (rt_sigprocmask, 4, SIG_BLOCK, NULL, &set,    \
-				_NSIG / 8);				     \
-     if (__rc == 0)							     \
-       __rc = INLINE_SYSCALL (rt_sigsuspend, 2, &set, _NSIG / 8);	     \
-     __rc;								     \
-  })
+__typeof (pause) __pause_nocancel;
 
 /* Uncancelable nanosleep.  */
-#define nanosleep_not_cancel(requested_time, remaining) \
-  INLINE_SYSCALL (nanosleep, 2, requested_time, remaining)
+__typeof (__nanosleep) __nanosleep_nocancel;
 
-/* Uncancelable sigsuspend.  */
-#define sigsuspend_not_cancel(set) \
-  INLINE_SYSCALL (rt_sigsuspend, 2, set, _NSIG / 8)
+/* Uncancelable fcntl.  */
+__typeof (__fcntl) __fcntl64_nocancel;
+
+#if IS_IN (libc) || IS_IN (rtld)
+hidden_proto (__open_nocancel)
+hidden_proto (__open64_nocancel)
+hidden_proto (__openat_nocancel)
+hidden_proto (__openat64_nocancel)
+hidden_proto (__read_nocancel)
+hidden_proto (__write_nocancel)
+hidden_proto (__close_nocancel)
+hidden_proto (__waitpid_nocancel)
+hidden_proto (__pause_nocancel)
+hidden_proto (__nanosleep_nocancel)
+hidden_proto (__fcntl64_nocancel)
+#endif
 
 #endif /* NOT_CANCEL_H  */