From 491d97546c54ad1192968bbf8505d0db6e3b983e Mon Sep 17 00:00:00 2001
From: "Mark D. Roth" <roth@google.com>
Date: Mon, 28 Nov 2016 10:39:00 -0800
Subject: Fix subprocess code to avoid redundant calls to waitpid().

---
 src/core/lib/support/subprocess_posix.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/core/lib/support/subprocess_posix.c b/src/core/lib/support/subprocess_posix.c
index 4f4de9298e..daf371d03e 100644
--- a/src/core/lib/support/subprocess_posix.c
+++ b/src/core/lib/support/subprocess_posix.c
@@ -40,6 +40,7 @@
 #include <assert.h>
 #include <errno.h>
 #include <signal.h>
+#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -52,7 +53,7 @@
 
 struct gpr_subprocess {
   int pid;
-  int joined;
+  bool joined;
 };
 
 const char *gpr_subprocess_binary_extension() { return ""; }
@@ -100,6 +101,7 @@ retry:
     gpr_log(GPR_ERROR, "waitpid failed: %s", strerror(errno));
     return -1;
   }
+  p->joined = true;
   return status;
 }
 
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