libc/winsup/cygwin/sem.cc

42 lines
744 B
C++

/* sem.cc: Single unix specification IPC interface for Cygwin.
Copyright 2002 Red Hat, Inc.
Written by Conrad Scott <conrad.scott@dsl.pipex.com>.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include "winsup.h"
#include <sys/types.h>
#include <cygwin/sem.h>
#include <errno.h>
#include "cygerrno.h"
extern "C" int
semctl (int semid, int semnum, int cmd, ...)
{
set_errno (ENOSYS);
return -1;
}
extern "C" int
semget (key_t key, int nsems, int semflg)
{
set_errno (ENOSYS);
return -1;
}
extern "C" int
semop (int semid, struct sembuf *sops, size_t nsops)
{
set_errno (ENOSYS);
return -1;
}