diff options
Diffstat (limited to 'mit-pthreads/stdio/fopen.c')
| -rw-r--r-- | mit-pthreads/stdio/fopen.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/mit-pthreads/stdio/fopen.c b/mit-pthreads/stdio/fopen.c deleted file mode 100644 index d44c17b633f..00000000000 --- a/mit-pthreads/stdio/fopen.c +++ /dev/null @@ -1,90 +0,0 @@ -/*- - * Copyright (c) 1990 The Regents of the University of California. - * Copyright (c) 1993, 1994 Chris Provenzano. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Chris Torek. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -/*static char *sccsid = "from: @(#)fopen.c 5.5 (Berkeley) 2/5/91";*/ -static char *rcsid = "$Id$"; -#endif /* LIBC_SCCS and not lint */ - -#include <pthread.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <stdio.h> -#include <errno.h> -#include "local.h" - -extern pthread_mutex_t __sfp_mutex; -extern pthread_cond_t __sfp_cond; -extern int __sfp_state; - -FILE *fopen(const char *file, const char *mode) -{ - register FILE *fp; - register int f; - int flags, oflags; - - if ((flags = __sflags(mode, &oflags)) == 0) - return (NULL); - if ((f = open(file, oflags, 0666)) < 0) { - return (NULL); - } - - __sinit (); - pthread_mutex_lock(&__sfp_mutex); - while (__sfp_state) { - pthread_cond_wait(&__sfp_cond, &__sfp_mutex); - } - - if (fp = __sfp()) { - fp->_file = f; - fp->_flags = flags; - - /* - * When opening in append mode, even though we use O_APPEND, - * we need to seek to the end so that ftell() gets the right - * answer. If the user then alters the seek pointer, or - * the file extends, this will fail, but there is not much - * we can do about this. (We could set __SAPP and check in - * fseek and ftell.) - */ - if (oflags & O_APPEND) - (void) __sseek((void *)fp, (off_t)0, SEEK_END); - } - pthread_mutex_unlock(&__sfp_mutex); - return (fp); -} |