diff options
Diffstat (limited to 'sysdeps/mach/hurd/opendir.c')
-rw-r--r-- | sysdeps/mach/hurd/opendir.c | 65 |
1 files changed, 41 insertions, 24 deletions
diff --git a/sysdeps/mach/hurd/opendir.c b/sysdeps/mach/hurd/opendir.c index a1ff947f06..949db0fff5 100644 --- a/sysdeps/mach/hurd/opendir.c +++ b/sysdeps/mach/hurd/opendir.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1993,94,95,96,97,98,2001,2003 Free Software Foundation, Inc. +/* Copyright (C) 1993,94,95,96,97,98,2001,2003,2005 + 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 @@ -32,13 +33,46 @@ #include "dirstream.h" +/* Open a directory stream on a file descriptor in Hurd internal form. + We do no checking here on the descriptor. */ +DIR * +_hurd_fd_opendir (struct hurd_fd *d) +{ + DIR *dirp; + + if (d == NULL) + { + errno = EBADF; + return NULL; + } + + dirp = (DIR *) malloc (sizeof (DIR)); + if (dirp == NULL) + return NULL; + + /* Set the descriptor to close on exec. */ + __spin_lock (&d->port.lock); + d->flags |= FD_CLOEXEC; + __spin_unlock (&d->port.lock); + + dirp->__fd = d; + dirp->__data = dirp->__ptr = NULL; + dirp->__entry_data = dirp->__entry_ptr = 0; + dirp->__allocation = 0; + dirp->__size = 0; + + __libc_lock_init (dirp->__lock); + + return dirp; +} + + /* Open a directory stream on NAME. */ DIR * __opendir (const char *name) { - DIR *dirp; int fd; - struct hurd_fd *d; + DIR *dirp; if (name[0] == '\0') { @@ -71,29 +105,12 @@ __opendir (const char *name) if (fd < 0) return NULL; - dirp = (DIR *) malloc (sizeof (DIR)); - if (dirp == NULL) - { - __close (fd); - return NULL; - } - /* Extract the pointer to the descriptor structure. */ - __mutex_lock (&_hurd_dtable_lock); - d = dirp->__fd = _hurd_dtable[fd]; - __mutex_unlock (&_hurd_dtable_lock); - - /* Set the descriptor to close on exec. */ - __spin_lock (&d->port.lock); - d->flags |= FD_CLOEXEC; - __spin_unlock (&d->port.lock); - - dirp->__data = dirp->__ptr = NULL; - dirp->__entry_data = dirp->__entry_ptr = 0; - dirp->__allocation = 0; - dirp->__size = 0; + dirp = _hurd_fd_opendir (_hurd_fd_get (fd)); + if (dirp == NULL) + __close (fd); - __libc_lock_init (dirp->__lock); + } return dirp; } |