* Copyright 2008, Haiku Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Salvatore Benedetto <salvatore.benedetto@gmail.com>
*/
#include <sys/sem.h>
#include <errno.h>
#include <fcntl.h>
#include <stdarg.h>
#include <stdlib.h>
#include <OS.h>
#include <errno_private.h>
#include <posix/xsi_semaphore_defs.h>
#include <syscall_utils.h>
#include <syscalls.h>
int
semget(key_t key, int numSems, int semFlags)
{
RETURN_AND_SET_ERRNO(_kern_xsi_semget(key, numSems, semFlags));
}
int
semctl(int semID, int semNum, int command, ...)
{
union semun arg;
va_list args;
switch (command) {
case GETVAL:
case GETPID:
case GETNCNT:
case GETZCNT:
case IPC_RMID:
RETURN_AND_SET_ERRNO(_kern_xsi_semctl(semID, semNum, command, 0));
case SETVAL:
case GETALL:
case SETALL:
case IPC_STAT:
case IPC_SET:
va_start(args, command);
arg = va_arg(args, union semun);
va_end(args);
RETURN_AND_SET_ERRNO(_kern_xsi_semctl(semID, semNum, command,
&arg));
default:
return EINVAL;
}
}
int
semop(int semID, struct sembuf *semOps, size_t numSemOps)
{
RETURN_AND_SET_ERRNO(_kern_xsi_semop(semID, semOps, numSemOps));
}
