示例#1
0
/*
 * A thread function to test reparenting.  Start a child wakeme_test process,
 * and if arg1 is > 1, create a child process that will do the same (with arg1
 * decrementd.  Calling this with arg1 results in 2 * arg1 processes, half of
 * them waiting on wake_me_q.  None of them wait, so as they exit, they should
 * all become children of init.
 */
void *reparent_test(int arg1, void *arg2) {
    start_proc(NULL, "reparented" , wakeme_test, arg1);
    if ( arg1 > 1 ) 
	start_proc(NULL, "reparent ", reparent_test, arg1-1);
    do_exit(0);
    return NULL;
}
示例#2
0
文件: mzrt.c 项目: AlexKnauth/racket
void *mzrt_thread_stub(void *data){
  mzrt_thread_stub_data *stub_data  = (mzrt_thread_stub_data*) data;
  mz_proc_thread_start start_proc     = stub_data->start_proc;
  void *start_proc_data               = stub_data->data;
  void* res;

  scheme_init_os_thread();

  proc_thread_self = stub_data->thread;

  free(data);

  res = start_proc(start_proc_data);

#ifdef WIN32
  proc_thread_self->res = res;
#endif

  if (!--proc_thread_self->refcount)
    free(proc_thread_self);

  scheme_done_os_thread();

  return res;
}
示例#3
0
文件: step_db.c 项目: wei1225/ipflow
int main(int argc, char** argv){
	int rx_mode = DMA_MODE,tx_mode = DMA_MODE;
	int recv_mode = RECEIVE_MODE;
	char ifname[10] = {0}, *bindstr;
	char rxif[128], *pif;
	int numproc = 4, i = 0;
	
	lib_init();
	
	for(i=1; i<argc; i++){
		if(!strncmp(argv[i], "-r", 2)){
			sprintf(rxif, "%s", argv[i]+2);
		}
	}
	pif = rxif;
	sscanf(pif, "eth%d", &rx_port);
	sprintf(ifname, "eth%d", rx_port);
			
	sockfd = open_sock(ifname, rx_mode, tx_mode, recv_mode, numproc);
	if(sockfd < 0)
	{
		printf("open_sock %s failure!\n",ifname);
	}
	else
	{
		printf("open_sock %s success!\n",ifname);
	}
	
	bindstr = "1:2:3:4";
	set_sockopt(sockfd,SET_BINDING,bindstr);
	
	start_proc(sockfd);
	
	printf("start now...\n");
		
	while(1)
	{
		tIfStat rxstat;
		get_sockopt(sockfd, GET_IF_RXTX_STAT, (int *)&rxstat);
		//system("clear");
		//write_in_file(rxstat.rx_bps, rxstat.rx_pps);
		db_insert(rxstat.rx_bps*8+rxstat.rx_pps*PAD_LEN*8, rxstat.rx_pps);
        printf("eth%d %lu bps, %u pps.\n", sockfd,
            rxstat.rx_bps*8+rxstat.rx_pps*PAD_LEN*8, rxstat.rx_pps);
		sleep(10);
		//system("clear");
	}
	
	close_sock(sockfd);
	
	return 0;
}
示例#4
0
/**
 * Starts a program
 */
void console_start(char *dir, char *command) {
    memset(senddir, 0, 64);
    strcpy(senddir, dir);
    strcat(senddir, "/");
    strcat(senddir, get_argument(command, 1));
    // Cut the arguments from the path
    if(get_argument(senddir, 1)) {
        strncpy(senddir, senddir, strlen(senddir) - strlen(get_argument(senddir, 1)) - 1);
    }

    char *arguments = kmalloc(128);
    memset(arguments, 0, 128);
    strcpy(arguments, get_argument(command, 2));

    int procn = start_proc(senddir, arguments);
    if(procn != PROC_STOPPED) {
        while(proc_state(procn) != PROC_STOPPED);
        remove_proc(procn);
        printk("\n");
    }
}
示例#5
0
/*
 * This is the top level function for generating the tk script.
 */
void dump_tk_script( struct kconfig * scfg )
{
    int menu_depth;
    int menu_num [64];
    int imenu, i;
    int top_level_num = 0;
    struct kconfig * cfg;
    struct kconfig * cfg1 = NULL;
    const char * name = "No Name";

    /*
     * Mark begin and end of each menu so I can omit submenus when walking
     * over a parent menu.
     */
    tot_menu_num = 0;
    menu_depth   = 0;
    menu_num [0] = 0;

    for ( cfg = scfg; cfg != NULL; cfg = cfg->next )
    {
	switch ( cfg->token )
	{
	default:
	    break;

	case token_mainmenu_name:
	    name = cfg->label;
	    break;

	case token_mainmenu_option:
	    if ( ++menu_depth >= 64 )
		{ fprintf( stderr, "menus too deep\n" ); exit( 1 ); }
	    if ( ++tot_menu_num >= 100 )
		{ fprintf( stderr, "too many menus\n" ); exit( 1 ); }
	    menu_num   [menu_depth]   = tot_menu_num;
	    menu_first [tot_menu_num] = cfg;
	    menu_last  [tot_menu_num] = cfg;
	    /*
	     * Note, that menu_number is set to the number of parent 
	     * (upper level) menu.
	     */
	    cfg->menu_number = menu_num[menu_depth - 1];
	    if ( menu_depth == 1 )
		++top_level_num;
	    break;

	case token_endmenu:
	    menu_last [menu_num [menu_depth]] = cfg;
	    /* flatten menus with proper scoping */
	    if ( --menu_depth < 0 )
		{ fprintf( stderr, "unmatched endmenu\n" ); exit( 1 ); }
	    break;

	case token_bool:
	case token_choice_header:
	case token_choice_item:
	case token_comment:
	case token_dep_bool:
	case token_dep_tristate:
	case token_dep_mbool:
	case token_hex:
	case token_int:
	case token_string:
	case token_tristate:
	    cfg->menu_number = menu_num[menu_depth];
	    if ( menu_depth == 0 )
		{ fprintf( stderr, "statement not in menu\n" ); exit( 1 ); }
	    break;

	case token_define_bool:
	case token_define_hex:
	case token_define_int:
	case token_define_string:
	case token_define_tristate:
	case token_unset:
	    cfg->menu_number = menu_num[menu_depth];
	    break;
	}
    }

    /*
     * Generate menus per column setting.
     * There are:
     *   four extra buttons for save/quit/load/store;
     *   one blank button
     *   add two to round up for division
     */
    printf( "set menus_per_column %d\n", (top_level_num + 4 + 1 + 2) / 3 );
    printf( "set total_menus %d\n\n", tot_menu_num );

    printf( "proc toplevel_menu {num} {\n" );
    for ( imenu = 1; imenu <= tot_menu_num; ++imenu )
    {
	int parent = 1;

	if ( menu_first[imenu]->menu_number == 0 )
	    parent = menu_first[imenu]->menu_number;
	else
	    printf( "\tif {$num == %d} then {return %d}\n",
		imenu, menu_first[imenu]->menu_number );
    }
    printf( "\treturn $num\n}\n\n" );

    /*
     * Generate the menus.
     */
    printf( "mainmenu_name \"%s\"\n", name );
    for ( imenu = 1; imenu <= tot_menu_num; ++imenu )
    {
	int menu_line = 0;
	int nr_submenu = imenu;
	int menu_name_omitted = 0;
	int opt_count = 0;

	clear_globalflags();
	start_proc( menu_first[imenu]->label, imenu, 
		!menu_first[imenu]->menu_number );

	for ( cfg = menu_first[imenu]->next; cfg != NULL && cfg != menu_last[imenu]; cfg = cfg->next )
	{
	    switch ( cfg->token )
	    {
	    default:
		break;

	    case token_mainmenu_option:
		while ( menu_first[++nr_submenu]->menu_number > imenu )
		    ;
		cfg->menu_line = menu_line++;
		printf( "\tsubmenu $w.config.f %d %d \"%s\" %d\n",
		    cfg->menu_number, cfg->menu_line, cfg->label, nr_submenu );
		cfg = menu_last[nr_submenu];
		break;

	    case token_comment:
		if ( !cfg->menu_line && !menu_name_omitted )
		{
		    cfg->menu_line = -1;
		    menu_name_omitted = 1;
		}
		else
		{
		    menu_name_omitted = 1;
		    cfg->menu_line = menu_line++;
		    printf( "\tcomment $w.config.f %d %d \"%s\"\n",
			cfg->menu_number, cfg->menu_line, cfg->label );
		}
		break;

	    case token_bool:
		cfg->menu_line = menu_line++;
		printf( "\tbool $w.config.f %d %d \"%s\" %s\n",
		    cfg->menu_number, cfg->menu_line, cfg->label,
		    vartable[cfg->nameindex].name );
		break;

	    case token_choice_header:
		/*
		 * I need the first token_choice_item to pick out the right
		 * help text from Documentation/Configure.help.
		 */
		cfg->menu_line = menu_line++;
		printf( "\tglobal tmpvar_%d\n", -(cfg->nameindex) );
		printf( "\tminimenu $w.config.f %d %d \"%s\" tmpvar_%d %s\n",
		    cfg->menu_number, cfg->menu_line, cfg->label,
		    -(cfg->nameindex), vartable[cfg->next->nameindex].name );
		printf( "\tmenu $w.config.f.x%d.x.menu -tearoffcommand \"menutitle \\\"%s\\\"\"\n",
		    cfg->menu_line, cfg->label );
		cfg1 = cfg;
		opt_count = 0;
		break;

	    case token_choice_item:
		/* note: no menu line; uses choice header menu line */
		printf( "\t$w.config.f.x%d.x.menu add radiobutton -label \"%s\" -variable tmpvar_%d -value \"%s\" -command \"update_active\"\n",
		    cfg1->menu_line, cfg->label, -(cfg1->nameindex),
		    cfg->label );
		opt_count++;
		if ( cfg->next && cfg->next->token != token_choice_item ) {
		    /* last option in the menu */
		    printf( "\tmenusplit $w $w.config.f.x%d.x.menu %d\n",
			cfg1->menu_line, opt_count );
		}
		break;

	    case token_dep_bool:
	    case token_dep_mbool:
		cfg->menu_line = menu_line++;
		printf( "\tdep_bool $w.config.f %d %d \"%s\" %s\n",
		    cfg->menu_number, cfg->menu_line, cfg->label,
		    vartable[cfg->nameindex].name );
		break;

	    case token_dep_tristate:
		cfg->menu_line = menu_line++;
		printf( "\tdep_tristate $w.config.f %d %d \"%s\" %s\n",
		    cfg->menu_number, cfg->menu_line, cfg->label,
		    vartable[cfg->nameindex].name );
		break;

	    case token_hex:
		cfg->menu_line = menu_line++;
		printf( "\thex $w.config.f %d %d \"%s\" %s\n",
		    cfg->menu_number, cfg->menu_line, cfg->label,
		    vartable[cfg->nameindex].name );
		break;

	    case token_int:
		cfg->menu_line = menu_line++;
		printf( "\tint $w.config.f %d %d \"%s\" %s\n",
		    cfg->menu_number, cfg->menu_line, cfg->label,
		    vartable[cfg->nameindex].name );
		break;

	    case token_string:
		cfg->menu_line = menu_line++;
		printf( "\tistring $w.config.f %d %d \"%s\" %s\n",
		    cfg->menu_number, cfg->menu_line, cfg->label,
		    vartable[cfg->nameindex].name );
		break;

	    case token_tristate:
		cfg->menu_line = menu_line++;
		printf( "\ttristate $w.config.f %d %d \"%s\" %s\n",
		    cfg->menu_number, cfg->menu_line, cfg->label,
		    vartable[cfg->nameindex].name );
		break;
	    }
	}

	end_proc( scfg, imenu );
    }

    /*
     * The top level menu also needs an update function.  When we update a
     * submenu, we may need to disable one or more of the submenus on
     * the top level menu, and this procedure will ensure that things are
     * correct.
     */
    clear_globalflags();
    printf( "proc update_mainmenu {}  {\n" );
    for ( imenu = 1; imenu <= tot_menu_num; imenu++ )
    {
	if ( menu_first[imenu]->cond != NULL && menu_first[imenu]->menu_number == 0 )
	    generate_if( menu_first[imenu], menu_first[imenu]->cond, imenu, -1 );
    }
    printf( "}\n\n\n" );

    clear_globalflags();
    /*
     * Generate code to load the default settings into the variables.
     * The script in tail.tk will attempt to load .config,
     * which may override these settings, but that's OK.
     */
    for ( cfg = scfg; cfg != NULL; cfg = cfg->next )
    {
	switch ( cfg->token )
	{
	default:
	    break;

	case token_bool:
	case token_choice_item:
	case token_dep_bool:
	case token_dep_tristate:
	case token_dep_mbool:
	case token_tristate:
	    if ( ! vartable[cfg->nameindex].global_written )
	    {
		printf( "set %s 0\n", vartable[cfg->nameindex].name );
		vartable[cfg->nameindex].global_written = 1;
	    }
	    break;

	case token_choice_header:
	    printf( "set tmpvar_%d \"(not set)\"\n", -(cfg->nameindex) );
	    break;

	case token_hex:
	case token_int:
	    if ( ! vartable[cfg->nameindex].global_written )
	    {
		printf( "set %s %s\n", vartable[cfg->nameindex].name, cfg->value ? cfg->value : "0" );
		vartable[cfg->nameindex].global_written = 1;
	    }
	    break;

	case token_string:
	    if ( ! vartable[cfg->nameindex].global_written )
	    {
		printf( "set %s \"%s\"\n", vartable[cfg->nameindex].name, cfg->value );
		vartable[cfg->nameindex].global_written = 1;
	    }
	    break;
	}
    }

    /*
     * Define to an empty value all other variables (which are never defined)
     */
    for ( i = 1; i <= max_varnum; i++ )
    {
	if ( ! vartable[i].global_written
	&&   strncmp( vartable[i].name, "CONSTANT_", 9 ) )
	    printf( "set %s 4\n", vartable[i].name );
    }

    /*
     * Generate a function to write all of the variables to a file.
     */
    printf( "proc writeconfig {file1 file2} {\n" );
    printf( "\tset cfg [open $file1 w]\n" );
    printf( "\tset autocfg [open $file2 w]\n" );
    printf( "\tset notmod 1\n" );
    printf( "\tset notset 0\n" );
    printf( "\tputs $cfg \"#\"\n");
    printf( "\tputs $cfg \"# Automatically generated make config: don't edit\"\n");
    printf( "\tputs $cfg \"#\"\n" );

    printf( "\tputs $autocfg \"/*\"\n" );
    printf( "\tputs $autocfg \" * Automatically generated C config: don't edit\"\n" );
    printf( "\tputs $autocfg \" */\"\n" );
    printf( "\tputs $autocfg \"#define AUTOCONF_INCLUDED\"\n" );

    clear_globalflags();
    for ( cfg = scfg; cfg != NULL; cfg = cfg->next )
    {
	switch ( cfg->token )
	{
	default:
	    break;

	case token_bool:
	case token_choice_header:
	case token_comment:
	case token_define_bool:
	case token_define_hex:
	case token_define_int:
	case token_define_string:
	case token_define_tristate:
	case token_dep_bool:
	case token_dep_tristate:
	case token_dep_mbool:
	case token_hex:
	case token_int:
	case token_string:
	case token_tristate:
	    generate_writeconfig( cfg );
	    break;
	}
    }
    printf( "\tclose $cfg\n" );
    printf( "\tclose $autocfg\n" );
    printf( "}\n\n\n" );

    /*
     * Generate a simple function that updates the master choice
     * variable depending upon what values were loaded from a .config
     * file.  
     */
    printf( "proc clear_choices { } {\n" );
    for ( cfg = scfg; cfg != NULL; cfg = cfg->next )
    {
	if ( cfg->token == token_choice_header )
	{
	    for ( cfg1  = cfg->next; 
		  cfg1 != NULL && cfg1->token == token_choice_item;
		  cfg1  = cfg1->next )
	    {
		printf( "\tglobal %s; set %s 0\n",
		    vartable[cfg1->nameindex].name,
		    vartable[cfg1->nameindex].name );
	    }
	}
    }
    printf( "}\n\n\n" );

    printf( "proc update_choices { } {\n" );
    for ( cfg = scfg; cfg != NULL; cfg = cfg->next )
    {
	if ( cfg->token == token_choice_header )
	{
	    printf( "\tglobal tmpvar_%d\n", -(cfg->nameindex) );
	    printf("\tset tmpvar_%d \"%s\"\n", -(cfg->nameindex), cfg->value);
	    for ( cfg1  = cfg->next; 
		  cfg1 != NULL && cfg1->token == token_choice_item;
		  cfg1  = cfg1->next )
	    {
		printf( "\tglobal %s\n", vartable[cfg1->nameindex].name );
		printf( "\tif { $%s == 1 } then { set tmpvar_%d \"%s\" }\n",
		    vartable[cfg1->nameindex].name,
		    -(cfg->nameindex), cfg1->label );
	    }
	}
    }
    printf( "}\n\n\n" );

    generate_update_var( scfg, 0 );

    /*
     * That's it.  We are done.  The output of this file will have header.tk
     * prepended and tail.tk appended to create an executable wish script.
     */
}
示例#6
0
/**
 * Wrapper around user thread start proc.
 * Used to perform some duty jobs right after thread is started
 * and before thread is finished.
 */
static int HYTHREAD_PROC hythread_wrapper_start_proc(void *arg) {
    IDATA UNUSED status;
    hythread_t thread;
    hythread_start_proc_data start_proc_data;
    hythread_entrypoint_t start_proc;
    
    // store procedure arguments to local
    start_proc_data = *(hythread_start_proc_data_t) arg;
    free(arg);

    // get hythread global lock
    status = hythread_global_lock();
    assert(status == TM_ERROR_NONE);

    // get native thread
    thread = start_proc_data.thread;
    start_proc = start_proc_data.proc;

    CTRACE(("TM: native thread started: native: %p tm: %p",
        port_thread_current(), thread));

    // check hythread library state
    if (hythread_lib_state() != TM_LIBRARY_STATUS_INITIALIZED) {
        // set TERMINATED state
        port_mutex_lock(&thread->mutex);
        thread->state = TM_THREAD_STATE_TERMINATED;
        port_mutex_unlock(&thread->mutex);

        // set hythread_self()
        hythread_set_self(thread);
        assert(thread == hythread_self());

        // release thread structure data
        hythread_detach(thread);

        // zero hythread_self() because we don't do it in hythread_detach_ex()
        hythread_set_self(NULL);

        CTRACE(("TM: native thread terminated due to shutdown: native: %p tm: %p",
            port_thread_current(), thread));

        // release hythread global lock
        status = hythread_global_unlock();
        assert(status == TM_ERROR_NONE);

        return 0;
    }

    // register to group and set ALIVE & RUNNABLE states
    status = hythread_set_to_group(thread, start_proc_data.group);
    assert(status == TM_ERROR_NONE);

    // set hythread_self()
    hythread_set_self(thread);
    assert(thread == hythread_self());

    // set priority
    status = hythread_set_priority(thread, thread->priority);
    // FIXME - cannot set priority
    //assert(status == TM_ERROR_NONE);

    // release hythread global lock
    status = hythread_global_unlock();
    assert(status == TM_ERROR_NONE);

    // Do actual call of the thread body supplied by the user.
    start_proc(start_proc_data.proc_args);

    assert(hythread_is_suspend_enabled());

    // get hythread global lock
    status = hythread_global_lock();
    assert(status == TM_ERROR_NONE);

    // set TERMINATED state
    port_mutex_lock(&thread->mutex);
    thread->state = TM_THREAD_STATE_TERMINATED;
    port_mutex_unlock(&thread->mutex);

    // detach and free thread
    hythread_detach(thread);

    // release hythread global lock
    status = hythread_global_unlock();
    assert(status == TM_ERROR_NONE);

    return 0;
}
void *student_tests(int arg1, void *arg2) { 
	kmutex_init(&mutex);
	kmutex_init(&reader_mutex);
	kmutex_init(&writer_mutex);
    
	/* Student Test 1 */
	int rv = 0;
    int i = 0;
    dbg_print("broadcast order test");
    race2 = 0;
    for (i = 0; i < 10; i++ ) 
	start_proc("broadcast order test", broadcast_order, 0);
    
    stop_until_queued(10, &wake_me_len2);
    race2 = 0;
    sched_broadcast_on(&wake_me_q);
    wait_for_all();
    KASSERT(wake_me_len2 == 0 && "Error on wakeme bookkeeping");

    /* Student Test 2 */
    int checkVal = 0;
    dbg_print("reader writer test");
    start_proc("reader writer test", reader, 0);
    start_proc("reader writer test", reader, 0);
    start_proc("reader writer test", writer, 0);
    checkVal++;
    start_proc("reader writer test", reader, 1);
    start_proc("reader writer test", reader, 1);
    start_proc("reader writer test", reader, 1);
    start_proc("reader writer test", writer, 0);
    checkVal++;
    start_proc("reader writer test", writer, 0);
    checkVal++;
    start_proc("reader writer test", reader, 3);
    start_proc("reader writer test", reader, 3);
    wait_for_all();
    KASSERT(checkVal == rwval && "Error in Reader Writer!");

    return NULL;
}
示例#8
0
/* The core testproc code */
void *testproc(int arg1, void *arg2) {
    proc_thread_t pt;
    pid_t pid = -1;
    int rv = 0;
    int i = 0;

#if CS402TESTS > 0
    dbg_print("waitpid any test");
    start_proc(&pt, "waitpid any test", waitpid_test, 23);
    wait_for_any();

    dbg_print("waitpid test");
    start_proc(&pt, "waitpid test", waitpid_test, 32);
    pid = do_waitpid(2323, 0, &rv);
    if ( pid != -ECHILD ) dbg_print("Allowed wait on non-existent pid\n");
    wait_for_proc(pt.p);
/*
    dbg_print("kthread exit test");
    start_proc(&pt, "kthread exit test", kthread_exit_test, 0);
    wait_for_proc(pt.p);
*/
/*
    dbg_print("many test");
    for (i = 0; i < 10; i++) 
	start_proc(NULL, "many test", waitpid_test, i);
    wait_for_all();a
*/
#endif

#if CS402TESTS > 1
    dbg_print("Context switch test");
    start_proc(&pt, "Context switch", racer_test, 0);
    wait_for_proc(pt.p);
#endif

#if CS402TESTS > 2
    sched_queue_init(&wake_me_q);

    dbg_print("wake me test");
    wake_me_len = 0;
    start_proc(&pt, "wake me test", wakeme_test, 0);
    /* Make sure p has blocked */
    stop_until_queued(1, &wake_me_len);
    sched_wakeup_on(&wake_me_q);
    wait_for_proc(pt.p);
    KASSERT(wake_me_len == 0 && "Error on wakeme bookkeeping");

    dbg_print("broadcast me test");
    for (i = 0; i < 10; i++ ) 
	start_proc(NULL, "broadcast me test", wakeme_test, 0);
    stop_until_queued(10, &wake_me_len);
    /* Make sure the processes have blocked */
    sched_broadcast_on(&wake_me_q);
    wait_for_all();
    KASSERT(wake_me_len == 0 && "Error on wakeme bookkeeping");
#endif

#if CS402TESTS > 3
    dbg_print("wake me uncancellable test");
    start_proc(&pt, "wake me uncancellable test", 
	    wakeme_uncancellable_test, 0);
    /* Make sure p has blocked */
    stop_until_queued(1, &wake_me_len);
    sched_wakeup_on(&wake_me_q);
    wait_for_proc(pt.p);
    KASSERT(wake_me_len == 0 && "Error on wakeme bookkeeping");

    dbg_print("broadcast me uncancellable test");
    for (i = 0; i < 10; i++ ) 
	start_proc(NULL, "broadcast me uncancellable test", 
		wakeme_uncancellable_test, 0);
    /* Make sure the processes have blocked */
    stop_until_queued(10, &wake_me_len);
    sched_broadcast_on(&wake_me_q);
    wait_for_all();
    KASSERT(wake_me_len == 0 && "Error on wakeme bookkeeping");
#endif

#if CS402TESTS > 4
    dbg_print("cancel me test");
    start_proc(&pt, "cancel me test", cancelme_test, 0);
    /* Make sure p has blocked */
    stop_until_queued(1, &wake_me_len);
    sched_cancel(pt.t);
    wait_for_proc(pt.p);
    KASSERT(wake_me_len == 0 && "Error on wakeme bookkeeping");

    dbg_print("prior cancel me test");
    start_proc(&pt, "prior cancel me test", cancelme_test, 0);
    /*  Cancel before sleep */
    sched_cancel(pt.t);
    wait_for_proc(pt.p);
    KASSERT(wake_me_len == 0 && "Error on wakeme bookkeeping");

    dbg_print("cancel me head test");
    start_proc(&pt, "cancel me head test", cancelme_test, 0);
    start_proc(NULL, "cancel me head test", wakeme_test, 0);
    stop_until_queued(2, &wake_me_len);
    sched_cancel(pt.t);
    sched_wakeup_on(&wake_me_q);
    wait_for_all();
    KASSERT(wake_me_len == 0 && "Error on wakeme bookkeeping");
    
    dbg_print("cancel me tail test");
    start_proc(NULL, "cancel me tail test", wakeme_test, 0);
    start_proc(&pt, "cancel me tail test", cancelme_test, 0);
    stop_until_queued(2, &wake_me_len);
    sched_cancel(pt.t);
    sched_wakeup_on(&wake_me_q);
    wait_for_all();
    KASSERT(wake_me_len == 0 && "Error on wakeme bookkeeping");
#endif

#if CS402TESTS > 5
    dbg_print("Reparenting test");
    start_proc(NULL, "Reparenting test", reparent_test, 1);
    stop_until_queued(1, &wake_me_len);
    sched_wakeup_on(&wake_me_q);
    wait_for_all();
    stop_until_zero(&wake_me_len);
    dbg_print("Reparenting stress test");
    start_proc(NULL, "Reparenting stress test", reparent_test, 10);
    stop_until_queued(10, &wake_me_len);
    sched_broadcast_on(&wake_me_q);
    wait_for_all();
    stop_until_zero(&wake_me_len);
    KASSERT(wake_me_len == 0 && "Error on wakeme bookkeeping");
#endif

#if CS402TESTS > 6
    kmutex_init(&mutex);

    dbg_print("show race test");
    race = 0;
    for (i = 0; i < 10; i++ ) 
	start_proc(NULL, "show race test", racer_test, 0);
    wait_for_all();

    dbg_print("fix race test");
    race = 0;
    for (i = 0; i < 10; i++ ) 
	start_proc(NULL, "fix race test", mutex_uncancellable_test, 0);
    wait_for_all();

    dbg_print("fix race test w/cancel");
    race = 0;
    for (i = 0; i < 10; i++ ) {
	if ( i % 2 == 0) { 
	    start_proc(NULL, "fix race test w/cancel", mutex_test, 0);
	} else {
	    start_proc(&pt, "fix race test w/cancel", mutex_test_cancelme, 0);
	    sched_cancel(pt.t);
	}
    }
    wait_for_all();
#endif

#if CS402TESTS > 7
    dbg_print("kill all test");
    for ( i=0 ; i < 10; i++ )
	start_proc(NULL, "kill all test", cancelme_test, 0);
    stop_until_queued(10, &wake_me_len);
    proc_kill_all();
    wait_for_all();
    KASSERT(wake_me_len == 0 && "Error on wakeme bookkeeping");
#endif

#if CS402TESTS > 8
    student_tests(arg1, arg2);
#endif

    dbg_print("All tests completed\n\n");
    return NULL;
}