From bc796e9c114503830ce73fdc61e1c9e87ce29f32 Mon Sep 17 00:00:00 2001
From: Woongsuk Cho <ws77.cho@samsung.com>
Date: Fri, 20 Sep 2019 10:03:46 +0900
Subject: [PATCH] to prevent crash while process terminate on profiling mode,
 kill process immedately without coreclr_shutdown

---
 NativeLauncher/launcher/dotnet/dotnet_launcher.cc | 18 +++++++++++++++++-
 NativeLauncher/launcher/dotnet/dotnet_launcher.h  |  1 +
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/NativeLauncher/launcher/dotnet/dotnet_launcher.cc b/NativeLauncher/launcher/dotnet/dotnet_launcher.cc
index 57b6005..75a0341 100644
--- a/NativeLauncher/launcher/dotnet/dotnet_launcher.cc
+++ b/NativeLauncher/launcher/dotnet/dotnet_launcher.cc
@@ -256,10 +256,18 @@ CoreRuntime::CoreRuntime(const char* mode) :
 	__hostHandle(nullptr),
 	__domainId(-1),
 	fd(0),
-	__initialized(false)
+	__initialized(false),
+	__isProfileMode(false)
 {
 	_INFO("Constructor called!!");
 
+	char *env = nullptr;
+	env = getenv("CORECLR_ENABLE_PROFILING");
+	if (env != nullptr && !strcmp(env, "1")) {
+		_INFO("profiling mode on");
+		__isProfileMode = true;
+	}
+
 	// plugin initialize should be called before start loader mainloop.
 	// In case of VD plugins, attaching secure zone is done in the plugin_initialize().
 	// When attaching to a secure zone, if there is a created thread, it will failed.
@@ -277,6 +285,14 @@ CoreRuntime::CoreRuntime(const char* mode) :
 
 CoreRuntime::~CoreRuntime()
 {
+	// workaround : to prevent crash while process terminate on profiling mode,
+	//              kill process immediately.
+	// see https://github.com/dotnet/coreclr/issues/26687
+	if (__isProfileMode) {
+		_INFO("shutdown process immediately.");
+		_exit(0);
+	}
+
 	dispose();
 }
 
diff --git a/NativeLauncher/launcher/dotnet/dotnet_launcher.h b/NativeLauncher/launcher/dotnet/dotnet_launcher.h
index e9e6c5d..704070b 100644
--- a/NativeLauncher/launcher/dotnet/dotnet_launcher.h
+++ b/NativeLauncher/launcher/dotnet/dotnet_launcher.h
@@ -50,6 +50,7 @@ class CoreRuntime
 		int fd;
 		bool __initialized;
 		bool __enableLogManager;
+		bool __isProfileMode;
 };
 
 }  // dotnetcore
-- 
2.7.4