IPC PIPE

tdh2002

进程间通讯
1 pipe1.c
               
               
                #include stdio.h>
#include unistd.h>
void main() {
    FILE * in_file;
    int count = 1;
    char buf[80];
    in_file = fopen("mypipe", "r");
    if (in_file == NULL) {
        printf("Error in fdopen.\n");
        exit(1);
    }
    while ((count = fread(buf, 1, 80, in_file)) > 0)
        printf("received from pipe: %s\n", buf);
    fclose(in_file);
}
2 pipe2.c
#include stdio.h>
#include unistd.h>
void main() {
    FILE * out_file;
    int count = 1;
    char buf[80];
    out_file = fopen("mypipe", "w");
    if (out_file == NULL) {
        printf("Error opening pipe.");
        exit(1);
    }
    sprintf(buf,"this is test data for the named pipe example\n");
    fwrite(buf, 1, 80, out_file);
    fclose(out_file);
}


本文来自ChinaUnix博客，如果查看原文请点：http://blog.chinaunix.net/u1/43090/showart_2167655.html