From 943feead3da4439db921f310ed0994f8c9fbf0f7 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Fri, 3 Mar 2023 17:29:53 +0100
Subject: main: add debug break function

---
 main/debug-break.cpp | 18 ++++++++++++++++++
 main/debug.cpp       |  3 ++-
 2 files changed, 20 insertions(+), 1 deletion(-)
 create mode 100644 main/debug-break.cpp

(limited to 'main')

diff --git a/main/debug-break.cpp b/main/debug-break.cpp
new file mode 100644
index 00000000..218dbe41
--- /dev/null
+++ b/main/debug-break.cpp
@@ -0,0 +1,18 @@
+#include "floormat/main.hpp"
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <sys/ptrace.h>
+#include <signal.h>
+#endif
+
+void floormat::floormat_main::debug_break()
+{
+#ifdef _WIN32
+    if (IsDebuggerPresent()) [[unlikely]]
+        DebugBreak();
+#else
+    if (ptrace(PTRACE_TRACEME, 0, 1, 0) == -1)
+        ::raise(SIGUSR1);
+#endif
+}
diff --git a/main/debug.cpp b/main/debug.cpp
index 70a1b1e8..3f5a7b16 100644
--- a/main/debug.cpp
+++ b/main/debug.cpp
@@ -48,7 +48,8 @@ void main_impl::debug_callback(unsigned src, unsigned type, unsigned id, unsigne
         std::abort();
 #endif
 
-    std::fputs("", stdout); // put breakpoint here
+    debug_break();
+    //std::fputs("", stdout); // put breakpoint here
 }
 
 static void _debug_callback(GL::DebugOutput::Source src, GL::DebugOutput::Type type, UnsignedInt id,
-- 
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