dash: update latest fix.

srcpkgs/dash/patches/noblock-sigchld.diff

@@ -1,16 +1,64 @@
-Subject: Re: Regression in dash 0.5.10 related to subshells
-Message-ID: <20180505160243.t5rujv3eifiust5a@gondor.apana.org.au>
+Subject: [PATCH v3] jobs - Do not block when waiting on SIGCHLD
+Message-ID: <20180506164034.s6y4n7yt2gianh63@gondor.apana.org.au>
 
+diff --git a/src/eval.c b/src/eval.c
+index a27d657..39c4e41 100644
+--- src/eval.c
++++ src/eval.c
+@@ -859,10 +859,8 @@ bail:
+ 		if (!(flags & EV_EXIT) || have_traps()) {
+ 			INTOFF;
+ 			jp = makejob(cmd, 1);
+-			if (forkshell(jp, cmd, FORK_FG) != 0) {
+-				INTON;
++			if (forkshell(jp, cmd, FORK_FG) != 0)
+ 				break;
+-			}
+ 			FORCEINTON;
+ 		}
+ 		listsetvar(varlist.list, VEXPORT|VSTACK);
+@@ -875,11 +873,8 @@ bail:
+ 			if (execcmd && argc > 1)
+ 				listsetvar(varlist.list, VEXPORT);
+ 		}
+-		if (evalbltin(cmdentry.u.cmd, argc, argv, flags)) {
+-			if (exception == EXERROR && spclbltin <= 0) {
+-				FORCEINTON;
+-				break;
+-			}
++		if (evalbltin(cmdentry.u.cmd, argc, argv, flags) &&
++		    !(exception == EXERROR && spclbltin <= 0)) {
+ raise:
+ 			longjmp(handler->loc, 1);
+ 		}
+@@ -892,6 +887,7 @@ raise:
+ 	}
+ 
+ 	status = waitforjob(jp);
++	FORCEINTON;
+ 
+ out:
+ 	if (cmd->ncmd.redirect)
 --- src/jobs.c
 +++ src/jobs.c
-@@ -975,8 +975,8 @@ waitforjob(struct job *jp)
+@@ -975,10 +975,17 @@ waitforjob(struct job *jp)
  	int st;
  
  	TRACE(("waitforjob(%%%d) called\n", jp ? jobno(jp) : 0));
 -	while ((jp && jp->state == JOBRUNNING) || gotsigchld)
 -		dowait(DOWAIT_BLOCK, jp);
-+	while (jp ? jp->state == JOBRUNNING : gotsigchld)
-+		dowait(jp ? DOWAIT_BLOCK : DOWAIT_NORMAL, jp);
- 	if (!jp)
+-	if (!jp)
++	if (!jp) {
++		int pid = gotsigchld;
++
++		while (pid > 0)
++			pid = dowait(DOWAIT_NORMAL, NULL);
++
  		return exitstatus;
++	}
++
++	while (jp->state == JOBRUNNING)
++		dowait(DOWAIT_BLOCK, jp);
  	st = getstatus(jp);
+ #if JOBS
+ 	if (jp->jobctl) {

srcpkgs/dash/template

@@ -1,7 +1,7 @@
 # Template file for 'dash'
 pkgname=dash
 version=0.5.10
-revision=2
+revision=3
 build_style=gnu-configure
 hostmakedepends="bison"
 register_shell="/bin/sh /bin/dash"