diff options
Diffstat (limited to 'mit-pthreads/stdio/fdopen.c')
-rw-r--r-- | mit-pthreads/stdio/fdopen.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/mit-pthreads/stdio/fdopen.c b/mit-pthreads/stdio/fdopen.c deleted file mode 100644 index 4c006f24c7c..00000000000 --- a/mit-pthreads/stdio/fdopen.c +++ /dev/null @@ -1,93 +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: @(#)fdopen.c 5.6 (Berkeley) 2/24/91";*/ -static char *rcsid = "$Id$"; -#endif /* LIBC_SCCS and not lint */ - -#include <pthread.h> -#include <sys/types.h> -#include <fcntl.h> -#include <unistd.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 *fdopen(int fd, const char *mode) -{ - register FILE *fp; - int flags, oflags, fdflags, tmp; - - if ((flags = __sflags(mode, &oflags)) == 0) - return (NULL); - - /* Make sure the mode the user wants is a subset of the actual mode. */ - if ((fdflags = fcntl(fd, F_GETFL, 0)) < 0) - return (NULL); - tmp = fdflags & O_ACCMODE; - if (tmp != O_RDWR && (tmp != (oflags & O_ACCMODE))) { - errno = EINVAL; - return (NULL); - } - - __sinit (); - pthread_mutex_lock(&__sfp_mutex); - while (__sfp_state) { - pthread_cond_wait(&__sfp_cond, &__sfp_mutex); - } - - if (fp = __sfp()) { - fp->_flags = flags; - - /* - * If opened for appending, but underlying descriptor does not have - * O_APPEND bit set, assert __SAPP so that __swrite() will lseek to - * end before each write. - */ - if ((oflags & O_APPEND) && !(fdflags & O_APPEND)) - fp->_flags |= __SAPP; - fp->_file = fd; - - } - pthread_mutex_unlock(&__sfp_mutex); - return (fp); -} |