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[BZ #2226]

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2006-02-12  Ulrich Drepper  <drepper@redhat.com>
	* io/ftw.c: Start using *at functions.
	* io/ftw64.c: Likewise.

	* sysdeps/generic/not-cancel.h: Define openat_not_cancel,
	openat_not_cancel_3, openat64_not_cancel, and openat64_not_cancel_3.
	* sysdeps/unix/sysv/linux/not-cancel.h: Likewise.

	* sysdeps/unix/sysv/linux/openat.c: Create separate _nocancel
	functions.

	* io/fxstatat.c: Add __fxstatat alias.
	* sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c: Likewise.
	* sysdeps/unix/sysv/linux/fxstatat.c: Likewise.  Add support for
	newfstatat syscall.
	* sysdeps/unix/sysv/linux/i386/fxstatat.c: Add __fxstatat alias.
	Add support for fstatat64 syscall.
	* include/sys/stat.h: Declare __fxstatat.
	* io/fxstatat64.c: Add __fxstatat64 alias.
	* sysdeps/unix/sysv/linux/fxstatat64.c: Add support for fstatat64
	syscall.

	* dirent/fdopendir.c: Add __fdopendir alias.
	* sysdeps/unix/fdopendir.c: Likewise.
	* sysdeps/mach/hurd/fdopendir.c: Likewise.
	* include/dirent.h: Add __fdopendir declaration.

	[BZ #2226]
	* libio/wgenops.c (_IO_wsetb): Use correct size of wide char
	buffer in FREE_BUF call.
This commit is contained in:
Ulrich Drepper
2006-02-12 21:41:44 +00:00
parent e32f487e1c
commit d369ad760d
19 changed files with 308 additions and 97 deletions
Download Patch File Download Diff File Expand all files Collapse all files

75
sysdeps/unix/sysv/linux/openat.c
View File

@ -25,6 +25,7 @@
#include <sys/stat.h>
#include <kernel-features.h>
#include <sysdep-cancel.h>
#include <not-cancel.h>
#if !defined OPENAT && !defined __ASSUME_ATFCTS
@ -62,23 +63,19 @@ __atfct_seterrno (int errval, int fd, const char *buf)
int __have_atfcts;
#endif
/* Open FILE with access OFLAG. Interpret relative paths relative to
the directory associated with FD. If OFLAG includes O_CREAT, a
third argument is the file protection. */
#define OPENAT_NOT_CANCEL CONCAT (OPENAT)
#define CONCAT(name) CONCAT2 (name)
#define CONCAT2(name) __##name##_nocancel
int
OPENAT (fd, file, oflag)
OPENAT_NOT_CANCEL (fd, file, oflag, mode)
int fd;
const char *file;
int oflag;
mode_t mode;
{
mode_t mode = 0;
if (oflag & O_CREAT)
{
va_list arg;
va_start (arg, oflag);
mode = va_arg (arg, mode_t);
va_end (arg);
}
/* We have to add the O_LARGEFILE flag for openat64. */
#ifdef MORE_OFLAGS
@ -93,16 +90,7 @@ OPENAT (fd, file, oflag)
if (__have_atfcts >= 0)
# endif
{
if (SINGLE_THREAD_P)
res = INLINE_SYSCALL (openat, 4, fd, file, oflag, mode);
else
{
int oldtype = LIBC_CANCEL_ASYNC ();
res = INLINE_SYSCALL (openat, 4, fd, file, oflag, mode);
LIBC_CANCEL_RESET (oldtype);
}
res = INLINE_SYSCALL (openat, 4, fd, file, oflag, mode);
# ifndef __ASSUME_ATFCTS
if (res == -1 && errno == ENOSYS)
@ -130,20 +118,12 @@ OPENAT (fd, file, oflag)
size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
buf = alloca (buflen);
/* Note: snprintf cannot be canceled. */
__snprintf (buf, buflen, procfd, fd, file);
file = buf;
}
if (SINGLE_THREAD_P)
res = INTERNAL_SYSCALL (open, err, 3, file, oflag, mode);
else
{
int oldtype = LIBC_CANCEL_ASYNC ();
res = INTERNAL_SYSCALL (open, err, 3, file, oflag, mode);
LIBC_CANCEL_RESET (oldtype);
}
res = INTERNAL_SYSCALL (open, err, 3, file, oflag, mode);
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (res, err), 0))
{
@ -154,3 +134,34 @@ OPENAT (fd, file, oflag)
return res;
#endif
}
/* Open FILE with access OFLAG. Interpret relative paths relative to
the directory associated with FD. If OFLAG includes O_CREAT, a
third argument is the file protection. */
int
OPENAT (fd, file, oflag)
int fd;
const char *file;
int oflag;
{
mode_t mode = 0;
if (oflag & O_CREAT)
{
va_list arg;
va_start (arg, oflag);
mode = va_arg (arg, mode_t);
va_end (arg);
}
if (SINGLE_THREAD_P)
return OPENAT_NOT_CANCEL (fd, file, oflag, mode);
int oldtype = LIBC_CANCEL_ASYNC ();
int res = OPENAT_NOT_CANCEL (fd, file, oflag, mode);
LIBC_CANCEL_RESET (oldtype);
return res;
}