qnx

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <time.h>
#include <sys/netmgr.h>
#include <sys/neutrino.h>
#include <process.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <errno.h>


struct message {
    char name[100];
    int size;
};


int main(void)
{
 /* Try to create channel */
    int channel_id;
    if ((channel_id = ChannelCreate(0)) == -1){
        printf("Channel create failed!!!");
        return EXIT_FAILURE;
    }
/* Try to fork(), if not exit with failure */
    pid_t pid = fork();
    if(pid == -1)
    {
        perror("fork");
        return EXIT_FAILURE;
    }else if(pid != 0)
    {
        /*parent*/
        printf("Parent pid: %d\n",getpid());
        printf("Parent channel_id: %d\n",channel_id);
        struct msg m;
        //char msg[100];
        int message_id = MsgRecive(channel_id, &m, sizeof(m), NULL);
        printf(Parent message_id\n",message_id);
        printf("Parent recived message: %s\n",m.name);
        int fd = shm_open( m.name, O_RDWR, 0777 );
        int* addr = (int*)mmap( 0, m.size*sizeof(int), PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0 );

        for (int i=0; i<m.size;i++)
            for(int j=0;j<m.size-1-i;j++)
            {
            //  if ((m.direction==0)?addr[j]>addr[j+1]:addr[j]<addr[j+1]){
                if (addr[j]>addr[j+1])
                {
                int tmp=addr[j];
                addr[j]=addr[j+1];
                addr[j+1]=tmp;
                }
            }
        char rmsg[100];
        //sprintf(rmsg, "%d", strlen(msg));
        MsgReply(message_id, 0, rmsg, strlen(rmsg)+1);
        munmap(addr,m.size*sizeof(int));
        close(fd);
        ChannelDestroy(channel_id);
    }else
    {
        /*child*/
        int connection_id = ConnectAttach(0, getppid(), channel_id, 0, 0);
        printf("Child connection_id: %d\n",connection_id);
        printf("Child pid: %d\n"getpid());
        //char msg[100] = "abcd";
        //sleep(60);
        char name[100]="/shm_object";
        int size=10;
        char rmsg[100];
        int fd = shm_open( "/shm_object", O_RDWR | O_CREAT, 0777 );
        ftruncate(fd, size*sizeof(int));
        int* addr = (int*)mmap( 0, size*sizeof(int), PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0 );
        srand(time(NULL));
        for (int i=0;i<size;i++){
            addr[i]=rand()%100;
        }
        for (int i=0;i<size;i++){
                    printf("%d\n",addr[i]);
                }
        printf("\n\n");
        //sleep(30);
        struct msg m;
        strcpy(m.name,name);
        m.size=size;
        m.direction=1;

        MsgSend(connection_id, &m, sizeof(m), rmsg, 100);
        printf("Child recived rep: %s\n",rmsg);
        for (int i=0;i<size;i++)
            printf("%d\n",addr[i]);
        ConnectDetach(connection_id);
        munmap(addr,size*sizeof(int));
        close(fd);
        shm_unlink("/shm_object");
    }

    return EXIT_SUCCESS;
}