WIP improved signal handling in multi-threaded programs

Author: NikitaSmith057

src/demon/demon_core.c

@@ -206,3 +206,15 @@ dmn_process_read_raw(Arena *arena, DMN_Handle process, Rng1U64 vrange)
   }
   return buffer;
 }
+
+internal String8
+dmn_get_trap_inst(void)
+{
+#if ARCH_X64
+  local_persist U8 inst[] = { 0xcc };
+#else
+# error "trap instruction is not defined for this arch"
+#endif
+  return str8_array_fixed(inst);
+}
+

src/demon/demon_core.h

@@ -142,7 +142,7 @@ typedef struct DMN_ActiveTrap DMN_ActiveTrap;
 struct DMN_ActiveTrap
 {
   DMN_Trap *trap;
-  U8 swap_byte;
+  String8 swap_bytes;
   DMN_ActiveTrap *next;
 };
 
@@ -262,4 +262,7 @@ internal void dmn_process_iter_begin(DMN_ProcessIter *iter);
 internal B32  dmn_process_iter_next(Arena *arena, DMN_ProcessIter *iter, DMN_ProcessInfo *info_out);
 internal void dmn_process_iter_end(DMN_ProcessIter *iter);
 
+//- arch trap
+internal String8 dmn_get_trap_inst(void);
+
 #endif // DEMON_CORE_H