From c4bfce7ba2e5e601f8c76617297666a16f9c564f Mon Sep 17 00:00:00 2001
From: Ben Kibbey <bjk@luxsci.net>
Date: Mon, 17 Dec 2007 18:24:48 -0500
Subject: [PATCH] Wait for the pinentry process to die in pth_waitpid(). Don't
 pass the WNOHANG flag. Fixes zombie processes. pth_waitpid() was sometimes
 getting called before the child process exited.

---
 src/pwmd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pwmd.c b/src/pwmd.c
index bcd75667..3228e6a9 100644
--- a/src/pwmd.c
+++ b/src/pwmd.c
@@ -459,7 +459,7 @@ static void *client_thread(void *data)
 		    log_write(N_("pth_read(): short byte count"));
 
 		memset(&pk, 0, sizeof(pk));
-		pth_waitpid(cl->pinentry->pid, &status, WNOHANG);
+		pth_waitpid(cl->pinentry->pid, &status, 0);
 		close(cl->pinentry->fd);
 		cl->pinentry->fd = -1;
 		cl->pinentry->pid = 0;
-- 
2.11.4.GIT