diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/msgrcv.c')
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/msgrcv.c | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/msgrcv.c b/nptl/sysdeps/unix/sysv/linux/msgrcv.c deleted file mode 100644 index af1953f5a0..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/msgrcv.c +++ /dev/null @@ -1,73 +0,0 @@ -/* Copyright (C) 1995, 1997, 1998, 2000, 2002 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. - - 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 <sys/msg.h> -#include <ipc_priv.h> - -#include <sysdep.h> -#include <sys/syscall.h> -#include <nptl/pthreadP.h> -#include <tls.h> - -#include <bp-checks.h> - -/* Kludge to work around Linux' restriction of only up to five - arguments to a system call. */ -struct ipc_kludge - { - void *__unbounded msgp; - long int msgtyp; - }; - - -int -__libc_msgrcv (msqid, msgp, msgsz, msgtyp, msgflg) - int msqid; - void *msgp; - size_t msgsz; - long int msgtyp; - int msgflg; -{ - /* The problem here is that Linux' calling convention only allows up to - fives parameters to a system call. */ - struct ipc_kludge tmp; - - tmp.msgp = CHECK_N (msgp, msgsz); - tmp.msgtyp = msgtyp; - -#ifndef NOT_IN_libc - if (__builtin_expect (THREAD_GETMEM (THREAD_SELF, - header.data.multiple_threads) == 0, 1)) - return INLINE_SYSCALL (ipc, 5, IPCOP_msgrcv, msqid, msgsz, msgflg, - __ptrvalue (&tmp)); - - int oldtype = LIBC_CANCEL_ASYNC (); -#endif - - int result = INLINE_SYSCALL (ipc, 5, IPCOP_msgrcv, msqid, msgsz, msgflg, - __ptrvalue (&tmp)); - -#ifndef NOT_IN_libc - LIBC_CANCEL_RESET (oldtype); -#endif - - return result; -} -weak_alias (__libc_msgrcv, msgrcv) |