From f6adf960ce8f95532fc03d30b2cc356a8099ca5c Mon Sep 17 00:00:00 2001
From: "Shuowang (Wayne) Zhang" <shuowang.zhang@ibm.com>
Date: Wed, 2 Sep 2020 11:31:51 -0400
Subject: [PATCH] zos: use execvpe() to set environ explictly

On z/OS, `execvp()` does not set the environment for child process from
`environ` when ran in ASCII mode. Instead, `execvpe()` provided by
ZOSLIB must be used to set the environment explicitly.

PR-URL: https://github.com/libuv/libuv/pull/3060
Reviewed-By: Richard Lau <rlau@redhat.com>
---
 src/unix/process.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/unix/process.c b/src/unix/process.c
index 8f94c53b..418bd530 100644
--- a/src/unix/process.c
+++ b/src/unix/process.c
@@ -44,6 +44,10 @@ extern char **environ;
 # include <grp.h>
 #endif
 
+#if defined(__MVS__)
+# include "zos-base.h"
+#endif
+
 
 static void uv__chld(uv_signal_t* handle, int signum) {
   uv_process_t* process;
@@ -336,7 +340,11 @@ static void uv__process_child_init(const uv_process_options_t* options,
     _exit(127);
   }
 
+#ifdef __MVS__
+  execvpe(options->file, options->args, environ);
+#else
   execvp(options->file, options->args);
+#endif
   uv__write_int(error_fd, UV__ERR(errno));
   _exit(127);
 }