diff options
Diffstat (limited to 'lib/libc/gen/semctl.c')
-rw-r--r-- | lib/libc/gen/semctl.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/lib/libc/gen/semctl.c b/lib/libc/gen/semctl.c new file mode 100644 index 0000000..156d18c --- /dev/null +++ b/lib/libc/gen/semctl.c @@ -0,0 +1,83 @@ +/*- + * Copyright (c) 2002 Doug Rabson + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. + * + */ + + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#define _WANT_SEMUN_OLD + +#include <sys/types.h> +#include <sys/ipc.h> +#include <sys/sem.h> +#include <stdarg.h> +#include <stdlib.h> + +int __semctl(int semid, int semnum, int cmd, union semun *arg); +int freebsd7___semctl(int semid, int semnum, int cmd, union semun_old *arg); + +int +semctl(int semid, int semnum, int cmd, ...) +{ + va_list ap; + union semun semun; + union semun *semun_ptr; + + va_start(ap, cmd); + if (cmd == IPC_SET || cmd == IPC_STAT || cmd == GETALL + || cmd == SETVAL || cmd == SETALL) { + semun = va_arg(ap, union semun); + semun_ptr = &semun; + } else { + semun_ptr = NULL; + } + va_end(ap); + + return (__semctl(semid, semnum, cmd, semun_ptr)); +} + +int +freebsd7_semctl(int semid, int semnum, int cmd, ...) +{ + va_list ap; + union semun_old semun; + union semun_old *semun_ptr; + + va_start(ap, cmd); + if (cmd == IPC_SET || cmd == IPC_STAT || cmd == GETALL + || cmd == SETVAL || cmd == SETALL) { + semun = va_arg(ap, union semun_old); + semun_ptr = &semun; + } else { + semun_ptr = NULL; + } + va_end(ap); + + return (freebsd7___semctl(semid, semnum, cmd, semun_ptr)); +} + +__sym_compat(semctl, freebsd7_semctl, FBSD_1.0); |