BSArch/02/bakery_main.c

#include <stdio.h>
#include <windows.h>

#include "bakery.h"

static MY_LPCRITICAL_SECTION lpsec;
static int value;

DWORD WINAPI thread_func(LPVOID arg) {
        int myId = (int) arg;
        int iter = 0;
        
        do {

                //My_EnterCriticalSection( myId, lpsec );

                /*----*/
                value = myId;
                Sleep(10);
                if (value != myId) {
                        printf("Thread %d: invalid state! (iter: %d)\n",myId,iter);
                } else {
                        printf("Thread %d: ok! (iter: %d)\n",myId,iter);
                }
                /*----*/

                //My_LeaveCriticalSection( myId, lpsec );

                iter++;
        } while (iter < 30);
        return 0;
}


main () {
        HANDLE th1, th2, th3;
        My_InitializeCriticalSection( &lpsec );

        th1 = CreateThread( NULL, 0, thread_func, (void*) 1, 0, NULL );
        th2 = CreateThread( NULL, 0, thread_func, (void*) 2, 0, NULL );
        th3 = CreateThread( NULL, 0, thread_func, (void*) 3, 0, NULL );

        WaitForSingleObject( th1, INFINITE );
        WaitForSingleObject( th2, INFINITE );   
        WaitForSingleObject( th3, INFINITE );   

        My_DeleteCriticalSection( lpsec );
}

1	joko	1.1	#include <stdio.h>
2			#include <windows.h>
3
4			#include "bakery.h"
5
6			static MY_LPCRITICAL_SECTION lpsec;
7			static int value;
8
9			DWORD WINAPI thread_func(LPVOID arg) {
10			int myId = (int) arg;
11			int iter = 0;
12
13			do {
14
15	joko	1.2	//My_EnterCriticalSection( myId, lpsec );
16	joko	1.1
17			/----/
18			value = myId;
19			Sleep(10);
20			if (value != myId) {
21			printf("Thread %d: invalid state! (iter: %d)\n",myId,iter);
22			} else {
23			printf("Thread %d: ok! (iter: %d)\n",myId,iter);
24			}
25			/----/
26
27	joko	1.2	//My_LeaveCriticalSection( myId, lpsec );
28	joko	1.1
29			iter++;
30			} while (iter < 30);
31			return 0;
32			}
33
34
35			main () {
36			HANDLE th1, th2, th3;
37	joko	1.3	My_InitializeCriticalSection( &lpsec );
38	joko	1.1
39			th1 = CreateThread( NULL, 0, thread_func, (void*) 1, 0, NULL );
40			th2 = CreateThread( NULL, 0, thread_func, (void*) 2, 0, NULL );
41			th3 = CreateThread( NULL, 0, thread_func, (void*) 3, 0, NULL );
42
43			WaitForSingleObject( th1, INFINITE );
44			WaitForSingleObject( th2, INFINITE );
45			WaitForSingleObject( th3, INFINITE );
46
47	joko	1.3	My_DeleteCriticalSection( lpsec );
48	joko	1.1	}
49
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