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[BZ #2226]
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.
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ChangeLog
32
ChangeLog
@ -1,3 +1,35 @@
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2006-02-12 Ulrich Drepper <drepper@redhat.com>
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* io/ftw.c: Start using *at functions.
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* io/ftw64.c: Likewise.
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* sysdeps/generic/not-cancel.h: Define openat_not_cancel,
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openat_not_cancel_3, openat64_not_cancel, and openat64_not_cancel_3.
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* sysdeps/unix/sysv/linux/not-cancel.h: Likewise.
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* sysdeps/unix/sysv/linux/openat.c: Create separate _nocancel
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functions.
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* io/fxstatat.c: Add __fxstatat alias.
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* sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c: Likewise.
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* sysdeps/unix/sysv/linux/fxstatat.c: Likewise. Add support for
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newfstatat syscall.
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* sysdeps/unix/sysv/linux/i386/fxstatat.c: Add __fxstatat alias.
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Add support for fstatat64 syscall.
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* include/sys/stat.h: Declare __fxstatat.
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* io/fxstatat64.c: Add __fxstatat64 alias.
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* sysdeps/unix/sysv/linux/fxstatat64.c: Add support for fstatat64
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syscall.
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* dirent/fdopendir.c: Add __fdopendir alias.
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* sysdeps/unix/fdopendir.c: Likewise.
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* sysdeps/mach/hurd/fdopendir.c: Likewise.
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* include/dirent.h: Add __fdopendir declaration.
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[BZ #2226]
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* libio/wgenops.c (_IO_wsetb): Use correct size of wide char
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buffer in FREE_BUF call.
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2006-02-08 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/unix/sysv/linux/bits/sched.h: Declare unshare.
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@ -1,5 +1,5 @@
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/* Open a directory stream from a file descriptor. Stub version.
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Copyright (C) 2005 Free Software Foundation, Inc.
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Copyright (C) 2005, 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -24,11 +24,12 @@
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/* Open a directory stream on FD. */
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DIR *
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fdopendir (int fd)
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__fdopendir (int fd)
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{
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__set_errno (ENOSYS);
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return NULL;
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}
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weak_alias (__fdopendir, fdopendir)
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stub_warning (fdopendir)
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#include <stub-tag.h>
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@ -6,6 +6,7 @@
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/* Now define the internal interfaces. */
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extern DIR *__opendir (__const char *__name);
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extern DIR *__fdopendir (int __fd);
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extern int __closedir (DIR *__dirp);
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extern struct dirent *__readdir (DIR *__dirp);
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extern struct dirent64 *__readdir64 (DIR *__dirp);
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@ -27,4 +28,5 @@ extern int __versionsort64 (const void *a, const void *b)
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__attribute_pure__;
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extern DIR *__alloc_dir (int fd, bool close_fd, const struct stat64 *statp)
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internal_function;
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#endif
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@ -31,6 +31,7 @@ extern __inline__ int __mknod (__const char *__path, __mode_t __mode,
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}
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libc_hidden_proto (__xmknodat)
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libc_hidden_proto (__fxstatat)
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libc_hidden_proto (__fxstatat64)
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62
io/ftw.c
62
io/ftw.c
@ -66,6 +66,7 @@ char *alloca ();
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <not-cancel.h>
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#if HAVE_SYS_PARAM_H || defined _LIBC
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# include <sys/param.h>
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#endif
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@ -143,9 +144,11 @@ int rpl_lstat (const char *, struct stat *);
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# ifdef _LIBC
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# define LXSTAT __lxstat
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# define XSTAT __xstat
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# define FXSTATAT __fxstatat
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# else
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# define LXSTAT(V,f,sb) lstat (f,sb)
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# define XSTAT(V,f,sb) stat (f,sb)
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# define FXSTATAT(V,d,f,sb,m) fstatat (d, f, sb, m)
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# endif
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# define FTW_FUNC_T __ftw_func_t
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# define NFTW_FUNC_T __nftw_func_t
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@ -162,6 +165,7 @@ int rpl_lstat (const char *, struct stat *);
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struct dir_data
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{
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DIR *stream;
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int streamfd;
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char *content;
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};
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@ -263,7 +267,7 @@ find_object (struct ftw_data *data, struct STAT *st)
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static inline int
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__attribute ((always_inline))
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open_dir_stream (struct ftw_data *data, struct dir_data *dirp)
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open_dir_stream (int *dfdp, struct ftw_data *data, struct dir_data *dirp)
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{
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int result = 0;
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@ -324,6 +328,7 @@ open_dir_stream (struct ftw_data *data, struct dir_data *dirp)
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{
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__closedir (st);
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data->dirstreams[data->actdir]->stream = NULL;
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data->dirstreams[data->actdir]->streamfd = -1;
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data->dirstreams[data->actdir] = NULL;
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}
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}
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@ -332,15 +337,28 @@ open_dir_stream (struct ftw_data *data, struct dir_data *dirp)
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/* Open the new stream. */
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if (result == 0)
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{
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const char *name = ((data->flags & FTW_CHDIR)
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? data->dirbuf + data->ftw.base: data->dirbuf);
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assert (data->dirstreams[data->actdir] == NULL);
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dirp->stream = __opendir (name);
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if (dfdp != NULL && *dfdp != -1)
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{
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int fd = openat64_not_cancel_3 (*dfdp, data->dirbuf + data->ftw.base,
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O_RDONLY | O_DIRECTORY | O_NDELAY);
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dirp->stream = NULL;
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if (fd != -1 && (dirp->stream = __fdopendir (fd)) == NULL)
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close_not_cancel_no_status (fd);
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}
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else
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{
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const char *name = ((data->flags & FTW_CHDIR)
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? data->dirbuf + data->ftw.base: data->dirbuf);
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dirp->stream = __opendir (name);
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}
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if (dirp->stream == NULL)
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result = -1;
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else
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{
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dirp->streamfd = dirfd (dirp->stream);
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dirp->content = NULL;
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data->dirstreams[data->actdir] = dirp;
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@ -356,7 +374,7 @@ open_dir_stream (struct ftw_data *data, struct dir_data *dirp)
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static int
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internal_function
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process_entry (struct ftw_data *data, struct dir_data *dir, const char *name,
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size_t namlen)
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size_t namlen, int d_type)
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{
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struct STAT st;
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int result = 0;
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@ -383,18 +401,28 @@ process_entry (struct ftw_data *data, struct dir_data *dir, const char *name,
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*((char *) __mempcpy (data->dirbuf + data->ftw.base, name, namlen)) = '\0';
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if ((data->flags & FTW_CHDIR) == 0)
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name = data->dirbuf;
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int statres;
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if (dir->streamfd != -1)
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statres = FXSTATAT (_STAT_VER, dir->streamfd, name, &st,
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(data->flags & FTW_PHYS) ? AT_SYMLINK_NOFOLLOW : 0);
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else
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{
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if ((data->flags & FTW_CHDIR) == 0)
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name = data->dirbuf;
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if (((data->flags & FTW_PHYS)
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? LXSTAT (_STAT_VER, name, &st)
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: XSTAT (_STAT_VER, name, &st)) < 0)
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statres = ((data->flags & FTW_PHYS)
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? LXSTAT (_STAT_VER, name, &st)
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: XSTAT (_STAT_VER, name, &st));
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}
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if (statres < 0)
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{
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if (errno != EACCES && errno != ENOENT)
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result = -1;
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else if (!(data->flags & FTW_PHYS)
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&& LXSTAT (_STAT_VER, name, &st) == 0
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&& S_ISLNK (st.st_mode))
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&& (d_type == DT_LNK
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|| (LXSTAT (_STAT_VER, name, &st) == 0
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&& S_ISLNK (st.st_mode))))
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flag = FTW_SLN;
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else
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flag = FTW_NS;
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@ -446,7 +474,8 @@ ftw_dir (struct ftw_data *data, struct STAT *st, struct dir_data *old_dir)
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/* Open the stream for this directory. This might require that
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another stream has to be closed. */
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result = open_dir_stream (data, &dir);
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result = open_dir_stream (old_dir == NULL ? NULL : &old_dir->streamfd,
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data, &dir);
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if (result != 0)
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{
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if (errno == EACCES)
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@ -466,6 +495,7 @@ ftw_dir (struct ftw_data *data, struct STAT *st, struct dir_data *old_dir)
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fail:
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save_err = errno;
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__closedir (dir.stream);
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dir.streamfd = -1;
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__set_errno (save_err);
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if (data->actdir-- == 0)
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@ -496,7 +526,7 @@ fail:
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while (dir.stream != NULL && (d = __readdir64 (dir.stream)) != NULL)
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{
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result = process_entry (data, &dir, d->d_name, NAMLEN (d));
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result = process_entry (data, &dir, d->d_name, NAMLEN (d), d->d_type);
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if (result != 0)
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break;
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}
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@ -510,6 +540,7 @@ fail:
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assert (dir.content == NULL);
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__closedir (dir.stream);
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dir.streamfd = -1;
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__set_errno (save_err);
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if (data->actdir-- == 0)
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@ -525,7 +556,8 @@ fail:
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{
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char *endp = strchr (runp, '\0');
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result = process_entry (data, &dir, runp, endp - runp);
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// XXX Should store the d_type values as well?!
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result = process_entry (data, &dir, runp, endp - runp, DT_UNKNOWN);
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runp = endp + 1;
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}
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@ -1,5 +1,5 @@
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/* File tree walker functions. LFS version.
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Copyright (C) 1996, 1997, 1998, 2001 Free Software Foundation, Inc.
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Copyright (C) 1996, 1997, 1998, 2001, 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
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@ -26,6 +26,7 @@
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#define STAT stat64
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#define LXSTAT __lxstat64
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#define XSTAT __xstat64
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#define FXSTATAT __fxstatat64
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#define FTW_FUNC_T __ftw64_func_t
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#define NFTW_FUNC_T __nftw64_func_t
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@ -1,4 +1,4 @@
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/* Copyright (C) 2005 Free Software Foundation, Inc.
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/* Copyright (C) 2005, 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -45,5 +45,6 @@ __fxstatat (int vers, int fd, const char *filename, struct stat *buf, int flag)
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__set_errno (ENOSYS);
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return -1;
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}
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libc_hidden_def (__fxstatat)
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stub_warning (fstatat)
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#include <stub-tag.h>
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@ -1,4 +1,4 @@
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/* Copyright (C) 2005 Free Software Foundation, Inc.
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/* Copyright (C) 2005, 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -46,5 +46,6 @@ __fxstatat64 (int vers, int fd, const char *filename, struct stat64 *buf,
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__set_errno (ENOSYS);
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return -1;
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}
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libc_hidden_def (__fxstatat64)
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stub_warning (fstatat64)
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#include <stub-tag.h>
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@ -1,4 +1,4 @@
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/* Copyright (C) 1993,1995,1997-2001,2002,2004 Free Software Foundation, Inc.
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/* Copyright (C) 1993,1995,1997-2002,2004,2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Written by Ulrich Drepper <drepper@cygnus.com>.
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Based on the single byte version by Per Bothner <bothner@cygnus.com>.
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@ -116,7 +116,7 @@ _IO_wsetb (f, b, eb, a)
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int a;
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{
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if (f->_wide_data->_IO_buf_base && !(f->_flags & _IO_USER_BUF))
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FREE_BUF (f->_wide_data->_IO_buf_base, _IO_wblen (f));
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FREE_BUF (f->_wide_data->_IO_buf_base, _IO_wblen (f) * sizeof (wchar_t));
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f->_wide_data->_IO_buf_base = b;
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f->_wide_data->_IO_buf_end = eb;
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if (a)
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@ -1,5 +1,5 @@
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/* Uncancelable versions of cancelable interfaces. Linux/NPTL version.
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Copyright (C) 2003 Free Software Foundation, Inc.
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Copyright (C) 2003, 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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@ -26,13 +26,21 @@ extern int __close_nocancel (int) attribute_hidden;
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extern int __read_nocancel (int, void *, size_t) attribute_hidden;
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extern int __write_nocancel (int, const void *, size_t) attribute_hidden;
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extern pid_t __waitpid_nocancel (pid_t, int *, int) attribute_hidden;
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extern int __openat_nocancel (int fd, const char *fname, int oflag,
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mode_t mode) attribute_hidden;
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extern int __openat64_nocancel (int fd, const char *fname, int oflag,
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mode_t mode) attribute_hidden;
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#else
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#define __open_nocancel(name, ...) __open (name, __VA_ARGS__)
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#define __close_nocancel(fd) __close (fd)
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#define __read_nocancel(fd, buf, len) __read (fd, buf, len)
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#define __write_nocancel(fd, buf, len) __write (fd, buf, len)
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#define __waitpid_nocancel(pid, stat_loc, options) \
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# define __open_nocancel(name, ...) __open (name, __VA_ARGS__)
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# define __close_nocancel(fd) __close (fd)
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# define __read_nocancel(fd, buf, len) __read (fd, buf, len)
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# define __write_nocancel(fd, buf, len) __write (fd, buf, len)
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# define __waitpid_nocancel(pid, stat_loc, options) \
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__waitpid (pid, stat_loc, options)
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# define __openat_nocancel(fd, fname, oflag, mode) \
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openat (fd, fname, oflag, mode)
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# define __openat64_nocancel(fd, fname, oflag, mode) \
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openat64 (fd, fname, oflag, mode)
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#endif
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/* Uncancelable open. */
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@ -41,6 +49,16 @@ extern pid_t __waitpid_nocancel (pid_t, int *, int) attribute_hidden;
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#define open_not_cancel_2(name, flags) \
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__open_nocancel (name, flags)
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/* Uncancelable openat. */
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#define openat_not_cancel(fd, fname, oflag, mode) \
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__openat_nocancel (fd, fname, oflag, mode)
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#define openat_not_cancel_3(fd, fname, oflag) \
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__openat_nocancel (fd, fname, oflag, 0)
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#define openat64_not_cancel(fd, fname, oflag, mode) \
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__openat64_nocancel (fd, fname, oflag, mode)
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#define openat64_not_cancel_3(fd, fname, oflag) \
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__openat64_nocancel (fd, fname, oflag, 0)
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/* Uncancelable close. */
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#define close_not_cancel(fd) \
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__close_nocancel (fd)
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|
@ -1,5 +1,5 @@
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/* Uncancelable versions of cancelable interfaces. Generic version.
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Copyright (C) 2003 Free Software Foundation, Inc.
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Copyright (C) 2003, 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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@ -23,6 +23,14 @@
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__libc_open (name, flags, mode)
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#define open_not_cancel_2(name, flags) \
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__libc_open (name, flags)
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#define openat_not_cancel(fd, name, flags, mode) \
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__openat (fd, name, flags, mode)
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#define openat_not_cancel_3(fd, name, flags) \
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__openat (fd, name, flags, 0)
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#define openat64_not_cancel(fd, name, flags, mode) \
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__openat64 (fd, name, flags, mode)
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#define openat64_not_cancel_3(fd, name, flags) \
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__openat64 (fd, name, flags, 0)
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#define close_not_cancel(fd) \
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__close (fd)
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#define close_not_cancel_no_status(fd) \
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|
@ -1,5 +1,5 @@
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/* Open a directory stream from a file descriptor. Hurd version.
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Copyright (C) 2005 Free Software Foundation, Inc.
|
||||
Copyright (C) 2005, 2006 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
|
||||
@ -27,7 +27,7 @@ DIR *_hurd_fd_opendir (struct hurd_fd *d); /* opendir.c */
|
||||
|
||||
/* Open a directory stream on FD. */
|
||||
DIR *
|
||||
fdopendir (int fd)
|
||||
__fdopendir (int fd)
|
||||
{
|
||||
struct hurd_fd *d = _hurd_fd_get (fd);
|
||||
|
||||
@ -54,3 +54,4 @@ fdopendir (int fd)
|
||||
|
||||
return _hurd_fd_opendir (d);
|
||||
}
|
||||
weak_alias (__fdopendir, fdopendir)
|
||||
|
@ -25,7 +25,7 @@
|
||||
|
||||
|
||||
DIR *
|
||||
fdopendir (int fd)
|
||||
__fdopendir (int fd)
|
||||
{
|
||||
struct stat64 statbuf;
|
||||
|
||||
@ -49,3 +49,4 @@ fdopendir (int fd)
|
||||
|
||||
return __alloc_dir (fd, false, &statbuf);
|
||||
}
|
||||
weak_alias (__fdopendir, fdopendir)
|
||||
|
@ -37,6 +37,42 @@
|
||||
int
|
||||
__fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
|
||||
{
|
||||
int result;
|
||||
INTERNAL_SYSCALL_DECL (err);
|
||||
#ifdef STAT_IS_KERNEL_STAT
|
||||
# define kst (*st)
|
||||
#else
|
||||
struct kernel_stat kst;
|
||||
#endif
|
||||
|
||||
#ifdef __NR_newfstatat
|
||||
# ifndef __ASSUME_ATFCTS
|
||||
if (__have_atfcts >= 0)
|
||||
# endif
|
||||
{
|
||||
result = INTERNAL_SYSCALL (newfstatat, err, 4, fd, file, &kst, flag);
|
||||
# ifndef __ASSUME_ATFCTS
|
||||
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 1)
|
||||
&& INTERNAL_SYSCALL_ERRNO (result, err) == ENOSYS)
|
||||
__have_atfcts = -1;
|
||||
else
|
||||
# endif
|
||||
if (!__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 1))
|
||||
{
|
||||
#ifdef STAT_IS_KERNEL_STAT
|
||||
return 0;
|
||||
#else
|
||||
return __xstat_conv (vers, &kst, st);
|
||||
#endif
|
||||
}
|
||||
else
|
||||
{
|
||||
__set_errno (INTERNAL_SYSCALL_ERRNO (result, err));
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
if (flag & ~AT_SYMLINK_NOFOLLOW)
|
||||
{
|
||||
__set_errno (EINVAL);
|
||||
@ -63,9 +99,6 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
|
||||
file = buf;
|
||||
}
|
||||
|
||||
int result;
|
||||
INTERNAL_SYSCALL_DECL (err);
|
||||
|
||||
if (vers == _STAT_VER_KERNEL)
|
||||
{
|
||||
if (flag & AT_SYMLINK_NOFOLLOW)
|
||||
@ -85,8 +118,6 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
|
||||
return -1;
|
||||
}
|
||||
#else
|
||||
struct kernel_stat kst;
|
||||
|
||||
if (flag & AT_SYMLINK_NOFOLLOW)
|
||||
result = INTERNAL_SYSCALL (lstat, err, 2, CHECK_STRING (file),
|
||||
__ptrvalue (&kst));
|
||||
@ -102,8 +133,9 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
|
||||
|
||||
return -1;
|
||||
}
|
||||
libc_hidden_def (__fxstatat)
|
||||
#ifdef XSTAT_IS_XSTAT64
|
||||
# undef __fxstatat64
|
||||
strong_alias (__fxstatat, __fxstatat64);
|
||||
libc_hidden_ver (__fxstatat, __fxstatat64)
|
||||
libc_hidden_def (__fxstatat64)
|
||||
#endif
|
||||
|
@ -47,6 +47,38 @@ extern int __have_no_stat64;
|
||||
int
|
||||
__fxstatat64 (int vers, int fd, const char *file, struct stat64 *st, int flag)
|
||||
{
|
||||
if (__builtin_expect (vers != _STAT_VER_LINUX, 0))
|
||||
{
|
||||
__set_errno (EINVAL);
|
||||
return -1;
|
||||
}
|
||||
|
||||
int result;
|
||||
INTERNAL_SYSCALL_DECL (err);
|
||||
|
||||
#ifdef __NR_fstatat64
|
||||
# ifndef __ASSUME_ATFCTS
|
||||
if (__have_atfcts >= 0)
|
||||
# endif
|
||||
{
|
||||
result = INTERNAL_SYSCALL (fstatat64, err, 4, fd, file, st, flag);
|
||||
# ifndef __ASSUME_ATFCTS
|
||||
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 1)
|
||||
&& INTERNAL_SYSCALL_ERRNO (result, err) == ENOSYS)
|
||||
__have_atfcts = -1;
|
||||
else
|
||||
# endif
|
||||
if (!__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 1))
|
||||
return 0;
|
||||
else
|
||||
{
|
||||
__set_errno (INTERNAL_SYSCALL_ERRNO (result, err));
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifndef __ASSUME_ATFCTS
|
||||
if (flag & ~AT_SYMLINK_NOFOLLOW)
|
||||
{
|
||||
__set_errno (EINVAL);
|
||||
@ -73,10 +105,7 @@ __fxstatat64 (int vers, int fd, const char *file, struct stat64 *st, int flag)
|
||||
file = buf;
|
||||
}
|
||||
|
||||
int result;
|
||||
INTERNAL_SYSCALL_DECL (err);
|
||||
|
||||
#if __ASSUME_STAT64_SYSCALL > 0
|
||||
# if __ASSUME_STAT64_SYSCALL > 0
|
||||
if (flag & AT_SYMLINK_NOFOLLOW)
|
||||
result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file),
|
||||
CHECK_1 (st));
|
||||
@ -85,15 +114,15 @@ __fxstatat64 (int vers, int fd, const char *file, struct stat64 *st, int flag)
|
||||
CHECK_1 (st));
|
||||
if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
|
||||
{
|
||||
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
|
||||
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
|
||||
if (st->__st_ino != (__ino_t) st->st_ino)
|
||||
st->st_ino = st->__st_ino;
|
||||
# endif
|
||||
# endif
|
||||
return result;
|
||||
}
|
||||
#else
|
||||
# else
|
||||
struct kernel_stat kst;
|
||||
# if defined __NR_stat64
|
||||
# ifdef __NR_stat64
|
||||
if (! __have_no_stat64)
|
||||
{
|
||||
if (flag & AT_SYMLINK_NOFOLLOW)
|
||||
@ -105,10 +134,10 @@ __fxstatat64 (int vers, int fd, const char *file, struct stat64 *st, int flag)
|
||||
|
||||
if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
|
||||
{
|
||||
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
|
||||
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
|
||||
if (st->__st_ino != (__ino_t) st->st_ino)
|
||||
st->st_ino = st->__st_ino;
|
||||
# endif
|
||||
# endif
|
||||
return result;
|
||||
}
|
||||
if (INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS)
|
||||
@ -116,7 +145,7 @@ __fxstatat64 (int vers, int fd, const char *file, struct stat64 *st, int flag)
|
||||
|
||||
__have_no_stat64 = 1;
|
||||
}
|
||||
# endif
|
||||
# endif
|
||||
|
||||
if (flag & AT_SYMLINK_NOFOLLOW)
|
||||
result = INTERNAL_SYSCALL (lstat, err, 2, CHECK_STRING (file),
|
||||
@ -129,9 +158,10 @@ __fxstatat64 (int vers, int fd, const char *file, struct stat64 *st, int flag)
|
||||
return __xstat64_conv (vers, &kst, st);
|
||||
|
||||
fail:
|
||||
#endif
|
||||
# endif
|
||||
__atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf);
|
||||
|
||||
return -1;
|
||||
#endif
|
||||
}
|
||||
libc_hidden_def (__fxstatat64)
|
||||
|
@ -48,6 +48,33 @@ extern int __have_no_stat64;
|
||||
int
|
||||
__fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
|
||||
{
|
||||
int result;
|
||||
INTERNAL_SYSCALL_DECL (err);
|
||||
struct stat64 st64;
|
||||
|
||||
#ifdef __NR_fstatat64
|
||||
# ifndef __ASSUME_ATFCTS
|
||||
if (__have_atfcts >= 0)
|
||||
# endif
|
||||
{
|
||||
result = INTERNAL_SYSCALL (fstatat64, err, 4, fd, file, &st64, flag);
|
||||
# ifndef __ASSUME_ATFCTS
|
||||
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 1)
|
||||
&& INTERNAL_SYSCALL_ERRNO (result, err) == ENOSYS)
|
||||
__have_atfcts = -1;
|
||||
else
|
||||
# endif
|
||||
if (!__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 1))
|
||||
return __xstat32_conv (vers, &st64, st);
|
||||
else
|
||||
{
|
||||
__set_errno (INTERNAL_SYSCALL_ERRNO (result, err));
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifndef __ASSUME_ATFCTS
|
||||
if (__builtin_expect (flag & ~AT_SYMLINK_NOFOLLOW, 0))
|
||||
{
|
||||
__set_errno (EINVAL);
|
||||
@ -74,12 +101,9 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
|
||||
file = buf;
|
||||
}
|
||||
|
||||
#if __ASSUME_STAT64_SYSCALL == 0
|
||||
# if __ASSUME_STAT64_SYSCALL == 0
|
||||
struct kernel_stat kst;
|
||||
#endif
|
||||
int result;
|
||||
INTERNAL_SYSCALL_DECL (err);
|
||||
|
||||
# endif
|
||||
if (vers == _STAT_VER_KERNEL)
|
||||
{
|
||||
if (flag & AT_SYMLINK_NOFOLLOW)
|
||||
@ -91,8 +115,7 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
|
||||
goto out;
|
||||
}
|
||||
|
||||
#if __ASSUME_STAT64_SYSCALL > 0
|
||||
struct stat64 st64;
|
||||
# if __ASSUME_STAT64_SYSCALL > 0
|
||||
|
||||
if (flag & AT_SYMLINK_NOFOLLOW)
|
||||
result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file),
|
||||
@ -102,14 +125,12 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
|
||||
__ptrvalue (&st64));
|
||||
if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
|
||||
return __xstat32_conv (vers, &st64, st);
|
||||
#else
|
||||
# if defined __NR_stat64
|
||||
# else
|
||||
# if defined __NR_stat64
|
||||
/* To support 32 bit UIDs, we have to use stat64. The normal stat
|
||||
call only returns 16 bit UIDs. */
|
||||
if (! __have_no_stat64)
|
||||
{
|
||||
struct stat64 st64;
|
||||
|
||||
if (flag & AT_SYMLINK_NOFOLLOW)
|
||||
result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file),
|
||||
__ptrvalue (&st64));
|
||||
@ -126,7 +147,7 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
|
||||
|
||||
__have_no_stat64 = 1;
|
||||
}
|
||||
# endif
|
||||
# endif
|
||||
if (flag & AT_SYMLINK_NOFOLLOW)
|
||||
result = INTERNAL_SYSCALL (lstat, err, 2, CHECK_STRING (file),
|
||||
__ptrvalue (&kst));
|
||||
@ -135,7 +156,7 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
|
||||
__ptrvalue (&kst));
|
||||
if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
|
||||
return __xstat_conv (vers, &kst, st);
|
||||
#endif /* __ASSUME_STAT64_SYSCALL */
|
||||
# endif /* __ASSUME_STAT64_SYSCALL */
|
||||
|
||||
out:
|
||||
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0))
|
||||
@ -145,9 +166,11 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
|
||||
}
|
||||
|
||||
return result;
|
||||
#endif
|
||||
}
|
||||
libc_hidden_def (__fxstatat)
|
||||
#ifdef XSTAT_IS_XSTAT64
|
||||
# undef __fxstatat64
|
||||
strong_alias (__fxstatat, __fxstatat64);
|
||||
libc_hidden_ver (__fxstatat, __fxstatat64)
|
||||
libc_hidden_def (__fxstatat64)
|
||||
#endif
|
||||
|
@ -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>
|
||||
|
||||
/* Uncancelable open. */
|
||||
@ -26,6 +27,20 @@
|
||||
#define open_not_cancel_2(name, flags) \
|
||||
INLINE_SYSCALL (open, 2, (const char *) (name), (flags))
|
||||
|
||||
/* Uncancelable openat. */
|
||||
extern int __openat_not_cancel (int fd, const char *fname, int oflag,
|
||||
mode_t mode) attribute_hidden;
|
||||
#define openat_not_cancel(fd, fname, oflag, mode) \
|
||||
__openat_not_cancel (fd, fname, oflag, mode)
|
||||
#define openat_not_cancel_3(fd, fname, oflag) \
|
||||
__openat_not_cancel (fd, fname, oflag, 0)
|
||||
extern int __openat64_not_cancel (int fd, const char *fname, int oflag,
|
||||
mode_t mode) attribute_hidden;
|
||||
#define openat64_not_cancel(fd, fname, oflag, mode) \
|
||||
__openat64_not_cancel (fd, fname, oflag, mode)
|
||||
#define openat64_not_cancel_3(fd, fname, oflag) \
|
||||
__openat64_not_cancel (fd, fname, oflag, 0)
|
||||
|
||||
/* Uncancelable close. */
|
||||
#define close_not_cancel(fd) \
|
||||
INLINE_SYSCALL (close, 1, fd)
|
||||
|
@ -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;
|
||||
}
|
||||
|
@ -103,6 +103,7 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
|
||||
return res;
|
||||
#endif
|
||||
}
|
||||
libc_hidden_def (__fxstatat)
|
||||
#undef __fxstatat64
|
||||
strong_alias (__fxstatat, __fxstatat64);
|
||||
strong_alias (__fxstatat64, __GI___fxstatat64)
|
||||
|
Loading…
Reference in New Issue
Block a user