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Remove unneeded call to revoke() inside openpty().

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As discussed on the commits list, there is no need to call revoke()
inside openpty(). On RELENG_6 and RELENG_7 unlockpt() will call
revoke(). On HEAD we create pseudo-terminals on demand, so there is no
need to revoke the slave device node.

This change should never be MFC'd, because the implementation we have in
RELENG_6 and RELENG_7 should work flawlessly with older versions of
libc.

Discussed with:	jhb
MFC after:	never
This commit is contained in:
Ed Schouten 2008-10-28 06:00:13 +00:00
parent 0c3d9d1f6b
commit b8cbf1a36a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=184389
1 changed files with 0 additions and 4 deletions
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4
lib/libutil/pty.c
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@ -47,7 +47,6 @@ static char sccsid[] = "@(#)pty.c 8.3 (Berkeley) 5/16/94";
#include <stdlib.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>
int
openpty(int *amaster, int *aslave, char *name, struct termios *termp,
@ -70,9 +69,6 @@ openpty(int *amaster, int *aslave, char *name, struct termios *termp,
if (slavename == NULL)
goto bad;
if (revoke(slavename) == -1)
goto bad;
slave = open(slavename, O_RDWR);
if (slave == -1)
goto bad;