120 lines
3.0 KiB
C
120 lines
3.0 KiB
C
#include <stdio.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <pthread.h>
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#include <mqueue.h>
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#define MQ_NAME_1 "testmsg1"
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#define MQ_NAME_2 "testmsg2"
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#define MSG_SIZE 128
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#define MAX_MSG 3
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const char *s_msg_ptr[] = {"msg test 1", "msg test 2", "msg test 3"};
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char r_msg_ptr_1[MAX_MSG][MSG_SIZE];
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char r_msg_ptr_2[MAX_MSG][MSG_SIZE];
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pthread_t send1, send2, rev1, rev2;
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int * send_1(void * mq)
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{
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int i;
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mqd_t mq1 = *(mqd_t *)mq;
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printf("Enter into send_1 \n");
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for (i = 0; i < MAX_MSG; i++ ) {
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if ( -1 == mq_send(mq1, s_msg_ptr[i], MSG_SIZE, i)) {
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perror("mq_send doesn't return success \n");
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pthread_exit((void *)1);
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}
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printf("[%d] send '%s' in thread send_1. \n", i+1, s_msg_ptr[i]);
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}
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pthread_exit((void *)0);
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}
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int * send_2(void * mq)
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{
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int i;
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mqd_t mq2 = *(mqd_t *)mq;
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printf("Enter into send_2 \n");
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for (i = 0; i < MAX_MSG; i++ ) {
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if ( -1 == mq_send(mq2, s_msg_ptr[i], MSG_SIZE, i)) {
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perror("mq_send doesn't return success \n");
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pthread_exit((void *)1);
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}
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printf("[%d] send '%s' in thread send_2. \n", i+1, s_msg_ptr[i]);
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}
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pthread_exit((void *)0);
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}
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int * receive_1(void * mq)
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{
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int i;
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mqd_t mq1 = *(mqd_t *)mq;
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printf("Enter into receive_1 \n");
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for (i = 0; i< MAX_MSG; i++) {
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if ( -1 == mq_receive(mq1, r_msg_ptr_1[i], MSG_SIZE, NULL) ) {
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perror("mq_receive doesn't return success \n");
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pthread_exit((void *)1);
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}
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printf("[%d] receive '%s' in thread receive_1. \n", i+1, r_msg_ptr_1[i]);
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}
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pthread_exit((void *)0);
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}
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int * receive_2(void * mq)
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{
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int i;
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mqd_t mq2 = *(mqd_t *)mq;
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printf("Enter into receive_2 \n");
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for (i = 0; i< MAX_MSG; i++) {
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if ( -1 == mq_receive(mq2, r_msg_ptr_2[i], MSG_SIZE, NULL) ) {
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perror("mq_receive doesn't return success \n");
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pthread_exit((void *)1);
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}
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printf("[%d] receive '%s' in thread receive_2. \n", i+1, r_msg_ptr_2[i]);
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}
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pthread_exit((void *)0);
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}
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int libc_mq()
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{
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mqd_t mq1 = 0, mq2 = 0;
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struct mq_attr mqstat;
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int oflag = O_CREAT|O_RDWR;
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memset(&mqstat, 0, sizeof(mqstat));
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mqstat.mq_maxmsg = MAX_MSG;
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mqstat.mq_msgsize = MSG_SIZE;
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mqstat.mq_flags = 0;
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if( ((mqd_t) -1) == (mq1 = mq_open(MQ_NAME_1,oflag,0777, &mqstat)) ) {
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printf("mq_open doesn't return success \n");
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return -1;
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}
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if( ((mqd_t) -1) == (mq2 = mq_open(MQ_NAME_2,oflag,0777, &mqstat)) ) {
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printf("mq_open doesn't return success \n");
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return -1;
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}
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pthread_create(&send1, NULL, (void *)send_1, (void *)&mq1);
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pthread_create(&send2, NULL, (void *)send_2, (void *)&mq2);
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pthread_create(&rev1, NULL, (void *)receive_1, (void *)&mq1);
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pthread_create(&rev2, NULL, (void *)receive_2, (void *)&mq2);
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pthread_join(send1, NULL);
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pthread_join(send2, NULL);
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pthread_join(rev1, NULL);
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pthread_join(rev2, NULL);
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mq_close(mq1);
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mq_close(mq2);
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mq_unlink(MQ_NAME_1);
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mq_unlink(MQ_NAME_2);
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printf("PASSED\n");
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return 0;
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}
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#include <finsh.h>
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FINSH_FUNCTION_EXPORT(libc_mq, posix mqueue test);
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