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/*
* Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2015-2019 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "scno.h"
#include <sys/ipc.h>
#include <sys/msg.h>
#include <sys/stat.h>
#define text_string "STRACE_STRING"
#define msgsz sizeof(text_string)
static int msqid = -1;
#if XLAT_RAW
# define str_ipc_creat "0x200"
# define str_ipc_private "0"
# define str_ipc_rmid "0"
# define str_ipc_64 "0x100"
#elif XLAT_VERBOSE
# define str_ipc_creat "0x200 /\\* IPC_CREAT \\*/"
# define str_ipc_private "0 /\\* IPC_PRIVATE \\*/"
# define str_ipc_rmid "0 /\\* IPC_RMID \\*/"
# define str_ipc_64 "0x100 /\\* IPC_64 \\*/"
#else
# define str_ipc_creat "IPC_CREAT"
# define str_ipc_private "IPC_PRIVATE"
# define str_ipc_rmid "IPC_RMID"
# define str_ipc_64 "IPC_64"
#endif
static int
cleanup(void)
{
if (msqid != -1) {
int rc = msgctl(msqid, IPC_RMID, 0);
printf("msgctl\\(%d, (%s\\|)?%s, NULL\\) = 0\n",
msqid, str_ipc_64, str_ipc_rmid);
msqid = -1;
if (rc == -1)
return 77;
puts("\\+\\+\\+ exited with 0 \\+\\+\\+");
}
return 0;
}
int
sys_msgrcv(int msqid, void *msgp, size_t sz, kernel_long_t msgtyp,
int msgflg)
{
#if defined __x86_64__ && defined __ILP32__
return syscall(__NR_msgrcv, msqid, msgp, sz, msgtyp, msgflg);
#else
return msgrcv(msqid, msgp, sz, msgtyp, msgflg);
#endif
}
int
main(void)
{
/* mtype has to be positive */
const kernel_long_t mtype = (kernel_long_t) 0x7facefed5adc0dedULL;
struct {
kernel_long_t mtype;
char mtext[msgsz];
} msg = {
.mtype = mtype,
.mtext = text_string
};
msqid = msgget(IPC_PRIVATE, IPC_CREAT | S_IRWXU);
if (msqid == -1)
perror_msg_and_skip("msgget");
printf("msgget\\(%s, %s\\|0700\\) = %d\n",
str_ipc_private, str_ipc_creat, msqid);
typedef void (*atexit_func)(void);
atexit((atexit_func) cleanup);
printf("msgsnd\\(%d, \\{%lld, \"" text_string "\\\\0\"\\}, 14, 0\\)"
" = 0\n",
msqid, (long long) mtype);
if (msgsnd(msqid, &msg, msgsz, 0) == -1)
perror_msg_and_skip("msgsnd");
if (sys_msgrcv(msqid, &msg, msgsz, -mtype, 0) != msgsz)
perror_msg_and_skip("msgrcv");
printf("msgrcv\\(%d, \\{%lld, \"" text_string "\\\\0\"\\}, 14, %lld"
", 0\\) = 14\n",
msqid, (long long) mtype, -(long long) mtype);
return cleanup();
}
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