Index: jobs.c
===================================================================
RCS file: /cvsroot/src/bin/sh/jobs.c,v
retrieving revision 1.69
diff -u -u -r1.69 jobs.c
--- jobs.c	18 Jun 2011 21:18:46 -0000	1.69
+++ jobs.c	12 Oct 2011 21:42:57 -0000
@@ -41,6 +41,7 @@
 #endif
 #endif /* not lint */
 
+#include <stdio.h>
 #include <fcntl.h>
 #include <signal.h>
 #include <errno.h>
@@ -80,6 +81,7 @@
 #include "memalloc.h"
 #include "error.h"
 #include "mystring.h"
+#include "var.h"
 
 
 static struct job *jobtab;		/* array of jobs */
@@ -952,6 +954,33 @@
 		jobs_invalid = 1;
 }
 
+static void
+setstatus(const struct job *jp)
+{
+	size_t len = jp->nprocs * 4;	/* 3 digits plus space */
+	char *t;
+	static char *text;
+	static size_t tlen;
+
+	if (tlen < len) {
+		text = t = ckrealloc(text, len);
+		tlen = len;
+	}
+
+	t = text;
+	for (int i = 0; i < jp->nprocs; i++) {
+		int l = snprintf(t, len, "%d ", WEXITSTATUS(jp->ps[i].status));
+		t += l;
+		len -= l;
+	}
+
+	if (t != text)
+		t[-1] = '\0';
+	else
+		t[0] = '\0';
+	setvar("PIPESTATUS", text, VNOFUNC);
+}
+
 /*
  * Wait for job to finish.
  *
@@ -1020,8 +1049,10 @@
 			raise(SIGINT);
 	}
 #endif
-	if (! JOBS || jp->state == JOBDONE)
+	if (! JOBS || jp->state == JOBDONE) {
+		setstatus(jp);
 		freejob(jp);
+	}
 	INTON;
 	return st;
 }
Index: var.c
===================================================================
RCS file: /cvsroot/src/bin/sh/var.c,v
retrieving revision 1.40
diff -u -u -r1.40 var.c
--- var.c	18 Jun 2011 21:18:46 -0000	1.40
+++ var.c	12 Oct 2011 21:42:57 -0000
@@ -102,6 +102,7 @@
 struct var vps4;
 struct var vvers;
 struct var voptind;
+struct var vpipestatus;
 
 const struct varinit varinit[] = {
 #if ATTY
@@ -133,6 +134,8 @@
 #endif
 	{ &voptind,	VSTRFIXED|VTEXTFIXED|VNOFUNC,	"OPTIND=1",
 	  getoptsreset },
+	{ &vpipestatus, VSTRFIXED|VTEXTFIXED|VUNSET,	"PIPESTATUS=",
+	   NULL },
 	{ NULL,	0,				NULL,
 	  NULL }
 };
Index: var.h
===================================================================
RCS file: /cvsroot/src/bin/sh/var.h,v
retrieving revision 1.25
diff -u -u -r1.25 var.h
--- var.h	18 Jun 2011 21:18:46 -0000	1.25
+++ var.h	12 Oct 2011 21:42:57 -0000
@@ -80,6 +80,7 @@
 extern struct var vps1;
 extern struct var vps2;
 extern struct var vps4;
+extern struct var vpipestatus;
 #ifndef SMALL
 extern struct var vterm;
 extern struct var vtermcap;