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
|
/*
This file is part of ccbuild.
Copyright (C) 2013 A. Bram Neijt <bneijt@gmail.com>
ccbuild is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
ccbuild is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with ccbuild. If not, see <http://www.gnu.org/licenses/>.
*/
#include <sys/types.h>
#include <unistd.h>
#include <sys/wait.h>
#include <iostream>
int main(int argc, char * argv[])
{
using namespace std;
int status;
pid_t p = fork();
if(p == -1)
cout << "Failure to fork\n";
else if(p == 0)
{
cout << "Child exiting with 10\n";
sleep(2);
exit(5);
}
else
{
//Mother waits...
pid_t pp = wait(&status);
if(pp == p)
cout << "Got the pid back from wait\n";
else
cout << "Got another pid back from wait: " << pp << "\n";
cout << "Status: " << WEXITSTATUS(status) << "\n";
}
return 0;
}
|
