Added basic win32 start-thread support

vm/factor.cpp

@@ -277,4 +277,30 @@ VM_C_API void factor_sleep(long us)
 	return vm->factor_sleep(us);
 }
 
+struct startargs {
+	int argc;
+	vm_char **argv;
+};
+
+void* start_standalone_factor_thread(void *arg) 
+{
+	factorvm *newvm = new factorvm;
+	startargs *args = (startargs*) arg;
+	vm_parameters p;
+	newvm->default_parameters(&p);
+	newvm->init_parameters_from_args(&p,args->argc, args->argv);
+	newvm->init_factor(&p);
+	newvm->pass_args_to_factor(args->argc,args->argv);
+	newvm->start_factor(&p);
+	return 0;
+}
+
+
+VM_C_API void start_standalone_factor_in_new_thread(int argc, vm_char **argv)
+{
+	startargs *args = new startargs;   // leaks startargs structure
+	args->argc = argc; args->argv = argv;
+	start_thread(start_standalone_factor_thread,args);
+}
+
 }

vm/factor.hpp

@@ -7,6 +7,7 @@ VM_C_API void init_factor(vm_parameters *p);
 VM_C_API void pass_args_to_factor(int argc, vm_char **argv);
 VM_C_API void start_embedded_factor(vm_parameters *p);
 VM_C_API void start_standalone_factor(int argc, vm_char **argv);
+VM_C_API void start_standalone_factor_in_new_thread(int argc, vm_char **argv);
 
 VM_C_API char *factor_eval_string(char *string);
 VM_C_API void factor_eval_free(char *result);

vm/os-windows-nt.cpp

@@ -3,6 +3,11 @@
 namespace factor
 {
 
+void start_thread(void *(*start_routine)(void *),void *args){
+    CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)start_routine, args, 0, 0); 
+}
+
+
 s64 factorvm::current_micros()
 {
 	FILETIME t;

vm/os-windows-nt.hpp

@@ -21,9 +21,12 @@ typedef char symbol_char;
 
 FACTOR_STDCALL LONG exception_handler(PEXCEPTION_POINTERS pe);
 
+
 // SSE traps raise these exception codes, which are defined in internal NT headers
 // but not winbase.h
 #define STATUS_FLOAT_MULTIPLE_FAULTS 0xC00002B4
 #define STATUS_FLOAT_MULTIPLE_TRAPS  0xC00002B5
 
+void start_thread(void *(*start_routine)(void *),void *args);
+
 }