gsi_u32 gsiWaitForSemaphore(GSISemaphoreID theSemaphore, gsi_u32 theTimeoutMs)
{
gsi_time startTime = current_time();
gsi_bool infinite = (theTimeoutMs == GSI_INFINITE)?gsi_true:gsi_false;
do
{
if(OS_TryLockMutex(&theSemaphore.mLock) == TRUE)
{
if(theSemaphore.mValue > 0)
{
theSemaphore.mValue--;
OS_UnlockMutex(&theSemaphore.mLock);
return 1;
}
OS_UnlockMutex(&theSemaphore.mLock);
}
if(theTimeoutMs != 0)
msleep(2);
} while(gsi_is_true(infinite) || ((current_time() - startTime) < theTimeoutMs));
return 0;
}
/*
* This is where we actually do the stuff in GTK_system_loop.
*/
static gint gtk_idle_handler(gpointer *data)
{
int ret;
// g_print("Timer = %d\n", TM_GetTicks());
OS_LockMutex(&command_mutex);
while (TM_Ticked) {
TM_TickHandler(0);
// TM_Ticked--;
TM_Ticked = 0;
}
ret = v9t9_return = v9t9_execute();
if (ret == em_TooFast) {
#if defined(UNDER_UNIX)
unix_system_pause();
#else
win32_system_pause();
#endif
}
else if (ret == em_Quitting || ret == em_Dying) {
gtk_main_quit();
return FALSE;
}
OS_UnlockMutex(&command_mutex);
// continue to call me... :)
return TRUE;
}
void
GTK_system_log(u32 srcflags, const gchar *text)
{
if (LOG_IS_VISIBLE(srcflags)) {
GTK_append_log(text, NULL, NULL);
}
if (LOG_IS_FATAL(srcflags)) {
GtkWidget *dialog = create_fatal_dialog();
GtkLabel *label;
fatal_dialog_button_clicked = 0;
// set message
label = gtk_object_get_data(GTK_OBJECT(dialog), "message_label");
if (label) {
gtk_label_set_text(label, text);
}
// display modal dialog
gtk_grab_add(dialog);
gtk_widget_show(dialog);
OS_UnlockMutex(&command_mutex);
while (!fatal_dialog_button_clicked && VALID_WINDOW(dialog))
gtk_main_iteration();
if (VALID_WINDOW(dialog))
gtk_grab_remove(dialog);
}
}
void gsiReleaseSemaphore(GSISemaphoreID theSemaphore, gsi_i32 theReleaseCount)
{
OS_LockMutex(&theSemaphore.mLock);
theSemaphore.mValue += theReleaseCount;
if(theSemaphore.mValue > theSemaphore.mMax)
theSemaphore.mValue = theSemaphore.mMax;
OS_UnlockMutex(&theSemaphore.mLock);
}
/*
* Send a command to V9t9
*/
void
GTK_send_command(const gchar *text)
{
GdkColor red = { 0, 0x8000, 0x0000, 0x0000 };
GTK_append_log(text, &red, NULL);
GTK_append_log("\n", &red, NULL);
OS_LockMutex(&command_mutex);
command_exec_text((char *)text);
OS_UnlockMutex(&command_mutex);
}
void gsiLeaveCriticalSection(GSICriticalSection *theCrit)
{
OS_UnlockMutex(theCrit);
}