34 lines
658 B
C
34 lines
658 B
C
|
/*
|
||
|
|
Anonymous Pipes Demo by Andrei Borovsky <borovsky@tochka.ru>.
|
||
|
|
This code is freeware.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
|
||
|
|
int main (int argc, char * argv[])
|
||
|
|
{
|
||
|
|
int pipedes[2];
|
||
|
|
pid_t pid;
|
||
|
|
pipe(pipedes);
|
||
|
|
pid = fork();
|
||
|
|
if ( pid > 0 )
|
||
|
|
{
|
||
|
|
char *str = "String passed via pipe\n";
|
||
|
|
close(pipedes[0]);
|
||
|
|
write(pipedes[1], (void *) str, strlen(str) + 1);
|
||
|
|
close(pipedes[1]);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
char buf[1024];
|
||
|
|
int len;
|
||
|
|
close(pipedes[1]);
|
||
|
|
while ((len = read(pipedes[0], buf, 1024)) != 0)
|
||
|
|
write(2, buf, len);
|
||
|
|
close(pipedes[0]);
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|