diff options
Diffstat (limited to 'crypto/kerberosIV/lib/roken/flock.c')
-rw-r--r-- | crypto/kerberosIV/lib/roken/flock.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/crypto/kerberosIV/lib/roken/flock.c b/crypto/kerberosIV/lib/roken/flock.c deleted file mode 100644 index 13da4f474bef8..0000000000000 --- a/crypto/kerberosIV/lib/roken/flock.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * All rights reserved. - * - * 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#ifndef HAVE_FLOCK -RCSID("$Id: flock.c,v 1.4 1999/12/02 16:58:46 joda Exp $"); - -#include "roken.h" - - -#define OP_MASK (LOCK_SH | LOCK_EX | LOCK_UN) - -int -flock(int fd, int operation) -{ -#if defined(HAVE_FCNTL) && defined(F_SETLK) - struct flock arg; - int code, cmd; - - arg.l_whence = SEEK_SET; - arg.l_start = 0; - arg.l_len = 0; /* means to EOF */ - - if (operation & LOCK_NB) - cmd = F_SETLK; - else - cmd = F_SETLKW; /* Blocking */ - - switch (operation & OP_MASK) { - case LOCK_UN: - arg.l_type = F_UNLCK; - code = fcntl(fd, F_SETLK, &arg); - break; - case LOCK_SH: - arg.l_type = F_RDLCK; - code = fcntl(fd, cmd, &arg); - break; - case LOCK_EX: - arg.l_type = F_WRLCK; - code = fcntl(fd, cmd, &arg); - break; - default: - errno = EINVAL; - code = -1; - break; - } - return code; -#else - return -1; -#endif -} - -#endif - |