strace/tests/ipc_msg.c
Dmitry V. Levin 2370d53281 ipc.c: use printaddr and umove_or_printaddr
* ipc.c (sys_msgctl): Use printaddr.
(tprint_msgbuf): New function.
(tprint_msgsnd, tprint_msgrcv): Use it.
(sys_msgrcv): Use umove_or_printaddr.
(tprint_sembuf): Rename to tprint_sembuf_array.
(tprint_sembuf): New function.
(tprint_sembuf_array): Use it.
(sys_semop, sys_semtimedop): Update callers.
(sys_shmctl, sys_shmat, sys_shmdt): Use printaddr.
(sys_mq_open, printmqattr): Use printaddr and umove_or_printaddr.
* tests/ipc_msg.c (main): Update msgctl IPC_RMID regexp.
* tests/ipc_shm.c (main): Update shmctl IPC_RMID regexp.
2015-07-20 22:03:06 +00:00

49 lines
1.0 KiB
C

#include <stdio.h>
#include <errno.h>
#include <sys/msg.h>
int
main(void)
{
int rc, id;
struct msqid_ds ds;
id = msgget(IPC_PRIVATE, 0600);
if (id < 0)
return 77;
printf("msgget\\(IPC_PRIVATE, 0600\\) += %d\n", id);
if (msgctl(id, IPC_STAT, &ds))
goto fail;
printf("msgctl\\(%d, (IPC_64\\|)?IPC_STAT, %p\\) += 0\n", id, &ds);
int max = msgctl(0, MSG_INFO, &ds);
if (max < 0)
goto fail;
printf("msgctl\\(0, (IPC_64\\|)?MSG_INFO, %p\\) += %d\n", &ds, max);
rc = msgctl(id, MSG_STAT, &ds);
if (rc != id) {
/*
* In linux < v2.6.24-rc1 the first argument must be
* an index in the kernel's internal array.
*/
if (-1 != rc || EINVAL != errno)
goto fail;
printf("msgctl\\(%d, (IPC_64\\|)?MSG_STAT, %p\\) += -1 EINVAL \\(Invalid argument\\)\n", id, &ds);
} else {
printf("msgctl\\(%d, (IPC_64\\|)?MSG_STAT, %p\\) += %d\n", id, &ds, id);
}
rc = 0;
done:
if (msgctl(id, IPC_RMID, NULL) < 0)
return 1;
printf("msgctl\\(%d, (IPC_64\\|)?IPC_RMID, NULL\\) += 0\n", id);
return rc;
fail:
rc = 1;
goto done;
}