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-rw-r--r--Src/exec.c10
-rw-r--r--Src/init.c12
-rw-r--r--Src/jobs.c4
3 files changed, 22 insertions, 4 deletions
diff --git a/Src/exec.c b/Src/exec.c
index 004459abf..e68237948 100644
--- a/Src/exec.c
+++ b/Src/exec.c
@@ -595,6 +595,12 @@ execute(LinkList args, int flags, int defpath)
      * here, which should be visible to external processes.
      */
     closem(FDT_XTRACE);
+#ifndef FD_CLOEXEC
+    if (SHTTY != -1) {
+	close(SHTTY);
+	SHTTY = -1;
+    }
+#endif
     child_unblock();
     if ((int) strlen(arg0) >= PATH_MAX) {
 	zerr("command too long: %s", arg0);
@@ -944,7 +950,9 @@ entersubsh(int flags)
     }
     if (!(sigtrapped[SIGQUIT] & ZSIG_IGNORED))
 	signal_default(SIGQUIT);
-    opts[MONITOR] = opts[USEZLE] = 0;
+    if (!isset(POSIXJOBS))
+	opts[MONITOR] = 0;
+    opts[USEZLE] = 0;
     zleactive = 0;
     if (flags & ESUB_PGRP)
 	clearjobtab(monitor);
diff --git a/Src/init.c b/Src/init.c
index b807f0659..be1055a53 100644
--- a/Src/init.c
+++ b/Src/init.c
@@ -480,8 +480,16 @@ init_io(void)
     if (SHTTY == -1) {
 	zsfree(ttystrname);
 	ttystrname = ztrdup("");
-    } else if (!ttystrname) {
-	ttystrname = ztrdup("/dev/tty");
+    } else {
+#ifdef FD_CLOEXEC
+	long fdflags = fcntl(SHTTY, F_GETFD, 0);
+	if (fdflags != (long)-1) {
+	    fdflags |= FD_CLOEXEC;
+	    fcntl(SHTTY, F_SETFD, fdflags);
+	}
+#endif
+	if (!ttystrname)
+	    ttystrname = ztrdup("/dev/tty");
     }
 
     /* We will only use zle if shell is interactive, *
diff --git a/Src/jobs.c b/Src/jobs.c
index 8e48ed4b8..df7d9d689 100644
--- a/Src/jobs.c
+++ b/Src/jobs.c
@@ -1292,6 +1292,8 @@ clearjobtab(int monitor)
 {
     int i;
 
+    if (isset(POSIXJOBS))
+	oldmaxjob = 0;
     for (i = 1; i <= maxjob; i++) {
 	/*
 	 * See if there is a jobtable worth saving.
@@ -1299,7 +1301,7 @@ clearjobtab(int monitor)
 	 * once for each subshell of a shell with job control,
 	 * so doesn't create a leak.
 	 */
-	if (monitor && jobtab[i].stat)
+	if (monitor && !isset(POSIXJOBS) && jobtab[i].stat)
 	    oldmaxjob = i+1;
 	else if (jobtab[i].stat & STAT_INUSE)
 	    freejob(jobtab + i, 0);