File: driver.cc

package info (click to toggle)
bobcat 2.08.01-1
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 5,668 kB
  • ctags: 953
  • sloc: cpp: 10,403; makefile: 9,042; perl: 401; sh: 195
file content (54 lines) | stat: -rw-r--r-- 1,059 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
#include <bobcat/pipe>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <iostream>
#include <string>

using namespace std;
using namespace FBB;

int main(int argc, char **argv, char **envp)
try
{
    Pipe p;                         // construct a pipe

    cout << "Read file descriptor: " << p.getReadFd() << endl;
    cout << "Write file descriptor: " << p.getWriteFd() << endl;

    int pid = fork();

    if (pid == -1)
        return 1;

    if (!pid)                       //child
    {
        p.readFrom(STDIN_FILENO);   // read what goes into the pipe from cin

        string s;
    
        getline(cin, s);
    
        cout << "CHILD: Got `" << s << "'" << endl;    

        getline(cin, s);
    
        cout << "CHILD: Got `" << s << "'" << endl;    

        return 0;
    }

    p.writtenBy(STDOUT_FILENO);      // write to the pipe via cout

    cout << "first line" << endl;
    cout << "second line" << endl;

    waitpid(pid, 0, 0);
}
throw (Errno const &err)
{
    cout << err.what() << endl;
    return 1;
}