fifoserver.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <linux/stat.h>

#define  FIFO_FILE  "myfifo"
#define  SZBUF  80
#define  QUIT  "bye"

int main(void)
{
    FILE* fp;
    char readbuf[SZBUF];

    /*create the fifo*/
    umask(0);
    mknod(FIFO_FILE, S_IFIFO|0666, 0);

    printf("Running server... To quit, send via the client the msg 'bye'.\n");

    while(1) {
        fp = fopen(FIFO_FILE,"r");
        fgets(readbuf, SZBUF, fp);

        if (!strcmp(readbuf,QUIT)) break;

        printf("Received string: %s\n",readbuf);
        fclose(fp);
    }
    return 0;
}