[unix-history] / usr / src / cmd / learn / makpipe.c

#include "stdio.h"

makpipe()
{
	int f[2];

	pipe(f);
	if (fork()==0) {
		close(f[1]);
		close(0);
		dup(f[0]);
		close(f[0]);
		execl ("/bin/sh", "sh", "-i", 0);
		execl ("/usr/bin/sh", "sh", "-i", 0);
		write(2,"Exec error\n",11);
	}
	close(f[0]);
	sleep(2);	/* so shell won't eat up too much input */
	return(f[1]);
}
Commit	Line	Data
42d6e430 BJ	1	#include "stdio.h"
	2
	3	makpipe()
	4	{
	5	int f[2];
	6
	7	pipe(f);
	8	if (fork()==0) {
	9	close(f[1]);
	10	close(0);
	11	dup(f[0]);
	12	close(f[0]);
	13	execl ("/bin/sh", "sh", "-i", 0);
	14	execl ("/usr/bin/sh", "sh", "-i", 0);
	15	write(2,"Exec error\n",11);
	16	}
	17	close(f[0]);
	18	sleep(2); /* so shell won't eat up too much input */
	19	return(f[1]);
	20	}