From fab97e165a79db10b7b560be5aefc7489982bced Mon Sep 17 00:00:00 2001
From: Dan Gudmundsson <dgud@erlang.org>
Date: Fri, 21 Apr 2017 14:49:18 +0200
Subject: Rename argv[0] from beam to invoking program name

Allows ps and htop to display the invoking program/script name
instead of beam[.smp].
---
 erts/etc/common/erlexec.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'erts/etc/common/erlexec.c')

diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c
index ee59759940..a1c6bb223b 100644
--- a/erts/etc/common/erlexec.c
+++ b/erts/etc/common/erlexec.c
@@ -583,8 +583,12 @@ int main(int argc, char **argv)
     erts_snprintf(tmpStr, sizeof(tmpStr), "%s" DIRSEP "%s" BINARY_EXT, bindir, emu);
     emu = strsave(tmpStr);
 
-    add_Eargs(emu);		/* Will be argv[0] -- necessary! */
-
+    s = get_env("ESCRIPT_NAME");
+    if(s) {
+        add_Eargs(s);         /* argv[0] = scriptname*/
+    } else {
+        add_Eargs(progname);  /* argv[0] = erl or cerl */
+    }
     /*
      * Add the bindir to the path (unless it is there already).
      */
-- 
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