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-rw-r--r--sshpty.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sshpty.c b/sshpty.c
index 4af55e920..4083e249f 100644
--- a/sshpty.c
+++ b/sshpty.c
@@ -20,6 +20,7 @@ RCSID("$OpenBSD: sshpty.c,v 1.1 2001/03/04 01:46:30 djm Exp $");
20 20
21#include "sshpty.h" 21#include "sshpty.h"
22#include "log.h" 22#include "log.h"
23#include "misc.h"
23 24
24/* Pty allocated with _getpty gets broken if we do I_PUSH:es to it. */ 25/* Pty allocated with _getpty gets broken if we do I_PUSH:es to it. */
25#if defined(HAVE__GETPTY) || defined(HAVE_OPENPTY) 26#if defined(HAVE__GETPTY) || defined(HAVE_OPENPTY)
@@ -93,16 +94,19 @@ pty_allocate(int *ptyfd, int *ttyfd, char *namebuf, int namebuflen)
93 */ 94 */
94 int ptm; 95 int ptm;
95 char *pts; 96 char *pts;
97 mysig_t old_signal;
96 98
97 ptm = open("/dev/ptmx", O_RDWR | O_NOCTTY); 99 ptm = open("/dev/ptmx", O_RDWR | O_NOCTTY);
98 if (ptm < 0) { 100 if (ptm < 0) {
99 error("/dev/ptmx: %.100s", strerror(errno)); 101 error("/dev/ptmx: %.100s", strerror(errno));
100 return 0; 102 return 0;
101 } 103 }
104 old_signal = mysignal(SIGCHLD, SIG_DFL);
102 if (grantpt(ptm) < 0) { 105 if (grantpt(ptm) < 0) {
103 error("grantpt: %.100s", strerror(errno)); 106 error("grantpt: %.100s", strerror(errno));
104 return 0; 107 return 0;
105 } 108 }
109 mysignal(SIGCHLD, old_signal);
106 if (unlockpt(ptm) < 0) { 110 if (unlockpt(ptm) < 0) {
107 error("unlockpt: %.100s", strerror(errno)); 111 error("unlockpt: %.100s", strerror(errno));
108 return 0; 112 return 0;