getmsg.c

来自「Glibc 2.3.2源代码(解压后有100多M)」· C语言 代码 · 共 42 行

/* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <errno.h>
#include <stddef.h>
#include <stropts.h>

#include <sysdep.h>
#include <sys/syscall.h>

extern int __syscall_getpmsg (int fildes, struct strbuf *ctlptr,
			      struct strbuf *dataptr, int *bandp, int *flagsp);

#ifdef __NR_getpmsg
int
getmsg (fildes, ctlptr, dataptr, flagsp)
     int fildes;
     struct strbuf *ctlptr;
     struct strbuf *dataptr;
     int *flagsp;
{
  return INLINE_SYSCALL (getpmsg, 5, fildes, ctlptr, dataptr, NULL, flagsp);
}
#else
# include <sysdeps/generic/getmsg.c>
#endif