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Update.

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More cancellation handling fixups.
	* sysdeps/unix/sysv/linux/not-cancel.h: Add waitpid_not_cancel.
	* sysdeps/generic/not-cancel.h: Likewise.
	* catgets/open_catalog.c: Use not-cancelable syscalls.
	* time/Makefile (CFLAGS-getdate.c): Add -fexceptions.
	* sysdeps/unix/sysv/linux/llseek.c: Must not be cancelable.
	* sysdeps/unix/syscalls.list: Don't mark lseek as cancelable.
	* dlfcn/dlfcn.h: Mark dlopen with __THROW again.
	* io/fcntl.h: Don't mark posix_fallocate with __THROW.
	* libio/fileops.c: Use not-cancelable syscalls for fclose.
	* libio/iopopen.c: Use no-cancelable syscalls.
	* libio/stdio.h: Mark popen and pclose with __THROW again.
	* misc/Makefile (CFLAGS-syslog.c): Add -fexceptions.
	* misc/syslog.c: Fix locking and cancellation cleanup handling.
	* posix/unistd.h: Mark ttyname and ttyname_r again with __THROW.
	* stdio-common/Makefile (CFLAGS-tmpfile.c, CFLAGS-tmpfile64.c,
	CFLAGS-tempname.c): Add -fexceptions.
	* stdlib/Makefile (CFLAGS-mkstemp.c): Add -fexceptions.
	* string/string.h: Mark strerror and strerror_r with _THROW again.
	* sysdeps/generic/unwind.inc: New file.  Copied from gcc.
	* sysdeps/generic/unwind-dw2.c: Update from gcc version.  Remove
	#ifs since we now need all the code compiled.
	* sysdeps/posix/spawni.c: Use close_not_cancel instead of close.
	* sysdeps/unix/closedir.c: Use not-cancelable syscalls.
	* sysdeps/unix/opendir.c: Likewise.
This commit is contained in:
Ulrich Drepper
2003-07-15 07:52:52 +00:00
parent da35d15e2b
commit 7329994338
27 changed files with 543 additions and 179 deletions
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21
sysdeps/unix/sysv/linux/llseek.c
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@@ -1,5 +1,5 @@
/* Long-long seek operation.
Copyright (C) 1996,1997,1998,1999,2000,2002 Free Software Foundation, Inc.
Copyright (C) 1996-2000,2002,2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -20,7 +20,7 @@
#include <errno.h>
#include <sys/types.h>
#include <sysdep-cancel.h>
#include <sysdep.h>
#include <sys/syscall.h>
extern int __syscall__llseek (int fd, off_t offset_hi, off_t offset_lo,
@@ -34,20 +34,9 @@ __llseek (int fd, loff_t offset, int whence)
{
loff_t retval;
if (SINGLE_THREAD_P)
return (loff_t) (INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32),
(off_t) (offset & 0xffffffff),
__ptrvalue (&retval), whence) ?: retval);
int oldtype = LIBC_CANCEL_ASYNC ();
int result = (loff_t) INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32),
(off_t) (offset & 0xffffffff),
__ptrvalue (&retval), whence);
LIBC_CANCEL_RESET (oldtype);
return (loff_t) result ?: retval;
return (loff_t) (INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32),
(off_t) (offset & 0xffffffff),
__ptrvalue (&retval), whence) ?: retval);
}
weak_alias (__llseek, llseek)
strong_alias (__llseek, __libc_lseek64)