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implement (nonstandard) forkpty

This commit is contained in:
Rich Felker 2011-04-20 20:55:13 -04:00
parent f1ac8a28d8
commit 4921ce0867
2 changed files with 23 additions and 0 deletions
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1
include/pty.h
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@ -9,6 +9,7 @@ extern "C" {
#include <sys/ioctl.h>
int openpty(int *, int *, char *, const struct termios *, const struct winsize *);
int forkpty(int *, char *, const struct termios *, const struct winsize *);
#ifdef __cplusplus
extern }

22
src/misc/forkpty.c Normal file
View File

@ -0,0 +1,22 @@
#include <pty.h>
#include <unistd.h>
int forkpty(int *m, char *name, const struct termios *tio, const struct winsize *ws)
{
int s;
pid_t pid;
if (openpty(m, &s, name, tio, ws) < 0) return -1;
pid = fork();
if (!pid) {
close(*m);
dup2(s, 0);
dup2(s, 1);
dup2(s, 2);
close(s);
return 0;
}
close(s);
if (pid < 0) close(*m);
return pid;
}