From 82fd4075f9951979e863d194134de45cd026f1f1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gr=C3=A9goire=20Roussel?= <gregoire.roussel@wandercraft.eu>
Date: Wed, 17 Jul 2024 16:42:54 +0200
Subject: [PATCH 1/2] [test] Trigger failures via USR1/USR2

USR1: abort the program
USR2: send buggy free event, to trigger an instrumentation failure
---
 test/test.cpp | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/test/test.cpp b/test/test.cpp
index fe678b53..60279dc1 100644
--- a/test/test.cpp
+++ b/test/test.cpp
@@ -1,4 +1,6 @@
+#include <atomic>
 #include <chrono>
+#include <csignal>
 #include <iostream>
 #include <mutex>
 #include <thread>
@@ -18,6 +20,19 @@ struct static_init_test_t
     }
 };
 
+static std::atomic<bool> s_triggerCrash{false};
+static std::atomic<bool> s_triggerInstrumentationFailure{false};
+
+void SignalHandler_TriggerCrash(int)
+{
+    s_triggerCrash.store(true, std::memory_order_relaxed);
+}
+
+void SignalHandler_TriggerInstrumentationFailure(int)
+{
+    s_triggerInstrumentationFailure.store(true, std::memory_order_relaxed);
+}
+
 static const static_init_test_t static_init_test;
 
 void* operator new( std::size_t count )
@@ -301,6 +316,20 @@ void DeadlockTest2()
 
 int main()
 {
+#ifdef _WIN32
+    signal( SIGUSR1, SignalHandler_TriggerCrash );
+    signal( SIGUSR2, SignalHandler_TriggerInstrumentationFailure );
+#else
+    struct sigaction sigusr1, oldsigusr1,sigusr2, oldsigusr2 ;
+    memset( &sigusr1, 0, sizeof( sigusr1 ) );
+    sigusr1.sa_handler = SignalHandler_TriggerCrash;
+    sigaction( SIGUSR1, &sigusr1, &oldsigusr1 );
+
+    memset( &sigusr2, 0, sizeof( sigusr2 ) );
+    sigusr2.sa_handler = SignalHandler_TriggerInstrumentationFailure;
+    sigaction( SIGUSR2, &sigusr2, &oldsigusr2 );
+#endif
+
     auto t1 = std::thread( TestFunction );
     auto t2 = std::thread( TestFunction );
     auto t3 = std::thread( ResolutionCheck );
@@ -338,6 +367,19 @@ int main()
         std::this_thread::sleep_for( std::chrono::milliseconds( 2 ) );
         {
             ZoneScoped;
+            if(s_triggerCrash.load(std::memory_order_relaxed))
+            {
+                std::cout << "Abort requested" << std::endl;
+                std::abort();
+            }
+            if (s_triggerInstrumentationFailure.load(std::memory_order_relaxed))
+            {
+                std::cout << "Triggering instrumentation failure" << std::endl;
+                char const* randomPtr = "Hello!";
+                TracyFree(randomPtr);
+                std::this_thread::sleep_for(std::chrono::milliseconds(50));
+                return 2;
+            }
             std::this_thread::sleep_for( std::chrono::milliseconds( 2 ) );
         }
         if(image != nullptr)

From 7a74d3819898abb55ec5d10bd8616f7aa097dd71 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gr=C3=A9goire=20Roussel?= <gregoire.roussel@wandercraft.eu>
Date: Wed, 17 Jul 2024 18:19:33 +0200
Subject: [PATCH 2/2] (review) use signal.h

---
 test/test.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/test.cpp b/test/test.cpp
index 60279dc1..21fd1447 100644
--- a/test/test.cpp
+++ b/test/test.cpp
@@ -1,9 +1,9 @@
 #include <atomic>
 #include <chrono>
-#include <csignal>
 #include <iostream>
 #include <mutex>
 #include <thread>
+#include <signal.h>
 #include <stdlib.h>
 #include "tracy/Tracy.hpp"