1 /* Copyright (C) 1995-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@cygnus.com>, August 1995.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
22 /* Send a message to the queue associated with the message queue
23 descriptor MSQID. The parameter MSGP points to a structure
24 describing messages where the parameter MSGSZ gives the length
25 of the text. The MSGFLG parameter describes the action taken
26 when the limit of the message queue length is reached. */
29 msgsnd (int msqid
, const void *msgp
, size_t msgsz
, int msgflg
)