sys/msg/msgsnd.c

0001 /**
0002  *  @file
0003  *  @brief msgsnd() API Conformance Test
0004  */
0005
0006 /*
0007  * SPDX-License-Identifier: BSD-2-Clause
0008  *
0009  * Copyright (C) 2018 Jacob Shin
0010  *
0011  * Redistribution and use in source and binary forms, with or without
0012  * modification, are permitted provided that the following conditions
0013  * are met:
0014  * 1. Redistributions of source code must retain the above copyright
0015  *    notice, this list of conditions and the following disclaimer.
0016  * 2. Redistributions in binary form must reproduce the above copyright
0017  *    notice, this list of conditions and the following disclaimer in the
0018  *    documentation and/or other materials provided with the distribution.
0019  *
0020  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0021  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0022  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0023  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0024  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0025  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0026  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0027  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0028  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0029  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0030  * POSSIBILITY OF SUCH DAMAGE.
0031  */
0032
0033 #ifdef HAVE_CONFIG_H
0034 #include "config.h"
0035 #endif
0036
0037 #include <sys/msg.h>
0038
0039 int test( void );
0040
0041 int test( void )
0042 {
0043   int return_value;
0044   int msqid = msgget(IPC_PRIVATE, IPC_CREAT | 0660);
0045   struct mymsg {
0046     long mtype;
0047     char mtext[2];
0048   };
0049   struct mymsg msgp;
0050   msgp.mtype = 1;
0051   msgp.mtext[0] = 'c';
0052   msgp.mtext[1] = '\0';
0053   size_t msgsz = 1;
0054   int msgflg =  IPC_NOWAIT;
0055
0056   return_value = msgsnd(msqid, &msgp, msgsz, msgflg);
0057   return (return_value != -1);
0058 }