#include <stdio.h>
#include <signal.h>
#include <unistd.h>
#include <Application.h>

static thread_id gBAppThreadID;
static thread_id gMainThreadID;
static int bapp_ref_count = 0;

static int32
bapp_quit_thread(void *arg)
{
        printf("%s: calling Lock()\n", __FUNCTION__);
        be_app->Lock();
        printf("%s: calling Quit()\n", __FUNCTION__);
        be_app->Quit();
        return 0;
}


static void
sighandler(int sig)
{
        resume_thread(spawn_thread(bapp_quit_thread, "BApplication->Quit()", B_NORMAL_PRIORITY, NULL));
}


static int32
bapp_thread(void *arg)
{
        signal(SIGINT, sighandler); /* on ^C exit the bapp_thread too */
        printf("%s: calling Lock()\n", __FUNCTION__);
        be_app->Lock();
        printf("%s: calling Run()\n", __FUNCTION__);
        be_app->Run();
        printf("%s: exitting...\n", __FUNCTION__);
        return 0;
}


void
beos_launch_bapplication(void)
{
        bapp_ref_count++;
        if (be_app)
                return; /* done already! */
        new BApplication("application/x-vnd.mmu_man-threaded-BApp-test");
        gBAppThreadID = spawn_thread(bapp_thread, "BApplication(test)", B_NORMAL_PRIORITY, (void *)find_thread(NULL));
        if (gBAppThreadID < B_OK)
                return; /* #### handle errors */
        if (resume_thread(gBAppThreadID) < B_OK)
                return;
        // This way we ensure we don't create BWindows before be_app is created
        // (creating it in the thread doesn't ensure this)
        printf("%s: calling Unlock()\n", __FUNCTION__);
        be_app->Unlock();
}


void beos_uninit_bapplication(void)
{
        status_t err;
        if (--bapp_ref_count)
                return;
        if (!be_app->Lock())
                debugger("cannot lock BApp!");
        printf("%s: calling Quit()\n", __FUNCTION__);
        be_app->Quit();
        printf("%s: waiting for app thread\n", __FUNCTION__);
        wait_for_thread(gBAppThreadID, &err);
        delete be_app;
        be_app = NULL;
}


int main()
{
        printf("%s: calling beos_launch_bapplication()\n", __FUNCTION__);
        beos_launch_bapplication();
        sleep(10);
        printf("%s: calling beos_uninit_bapplication()\n", __FUNCTION__);
        beos_uninit_bapplication();
}