НОВОЕ: OS/2 GURU - Вопросы и ответы

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AD: ArcaOS 5.1 Russian LIP
Russian ARCAOS exists and it's available since the middle of 2017. All versions are supported: 5.1, 5.1.1.

eCo Software is able to maintain OS/2 LIP packages for any other language (German, Dutch, Brazilian Portuguese, Spanish, Sweden, etc)

Interaction of processes


TITLE: Interaction of processes

DATE: 2012-08-11 17:56:09

AUTHOR: Capricorn
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........

..... ..........., ....... ..... .... ... ............. OS (. . .... ... ...... .......... .. ..........) .... ... ...... ............ . .............. .......... .............. ..... ........... ..........., ....... ...... ........ . ....... . OS/2 ... .... .... .......... ......... ..........: ........, ....., ..... (...........) ......, ........ .... . ....... ..... ... .....-..... ....... . ............ ....... .......... .., .. ....... . ..... ...... ......-.. ........ .......... .. ... ......, .......... ............. .... ...... ...... - ........ ........... ...... ......... . .... ............ .. .. .............. .. ......., .......... ...... ....

........

........ ...... ..... ....: ............. .......... . ........ ...... .... 2 .........: "....." . "........". .... ............. ....... . ..., ... ............... ....... ........ ........., ..... .. ......., . .... .., ............ ..... .......... 2 .... .........: ...... . ........

.) ....... .... "event" (".......") ..... ... ...., ..... ......... ...... ..... ........., .... ...... .... ........ ......... .......

......: 

/*************/
/*           */
/* ....... 1 */
/*           */
/*************/

#define INCL_DOS
#include 

PSZ  szSemName  = "\\SEM32\\EVENT"; /* ... ......... ...... ..... ....... \SEM32\ */
HEV  hevEvent1  = 0;                /* .......... ........ */

if (DosCreateEventSem(szSemName,    /* ... ............ ........  */
                    &hevEvent1,     /* .... ..... ......... .......... ........ */
                    DC_SEM_SHARED,  /* ........... ....... */
                    FALSE))         /* ....... ....... . .......... (.......) ......... */
   return 1;  /* ....... ....... .. ....... */

/* ... ...-.. ...... 
   .. ..... ....... ...... .... ..... .....
   ............ (............) ........ */

DosPostEventSem(hevEvent); /* ......... ........ ......... (............) */
  
/* .......... ...... */

DosCloseEventSem(hevEvent1);      /* ........... .. ........ */

 

/*************/
/*           */
/* ....... 2 */
/*           */
/*************/

..... (pipes)

[..........]

........... ......

[..........]

.......

... .... ...... .............. ..... .......... - ....... (queues). ... ... .......... ....., ....... ......-.. ........ ......... . ...... .... (pipes). .. ... ......, .......... ............. ..... ..... ....... ........... ....... ........ .., ... ..-........

...., ....... ............ ..... ........ ...... ............ ... ...-.. .......... ....... ......... Presentation Manager'., .. .... ............ ........, ....... .. ..... .. ....... ....... ........ ....... . ..., ... .. ...... .. ........, ....... ..... ........ .. ...... . ...... .........., ........ (FIFO), .. . . ...... ..... (LIFO), . ....., .. ............

....... ...... ............

.... ....., .... ....... (....), ....... .. ....... ....... ........, ....... ....... . ....... ..., ...... (....... .. .........), ......... .. . ..... .... .......... .........., ... ............ ....... ....... ............ .....

......: 

/**********************/
/*                    */
/* ....... 1 (......) */
/*                    */
/**********************/

#define INCL_DOS
#include 

#define QUEUE_FIFO 0	// .......
#define QUEUE_LIFO 1	// ....
#define QUEUE_PRIO 2	// .. ...........

#define MSG_QUIT   0x0001 /* ............. ......... ... .......... ..... */

#define QUEUE_NAME "\\QUEUES\\special.que"	/* ... ........
						 * ...... ..... ....... \QUEUES\
						 */

/* ......., ....... ..... ............ ......... */
BOOL processMessage(ULONG ulMessageId, ULONG ulDataSize, PVOID pvData);

int main(void)
.
	HQUEUE hQueue;	/* .... ..... ....... ..... ....... */
	APIRET rc;	/* ......... ...... ....... API */	

	/* ......... ....... */
	rc = DosCreateQueue(&hQueue, QUEUE_FIFO, QUE_NAME);
	if (rc)
		return rc;
		
	/* .... ......... ......... .. ....... */	
	while(TRUE)
	.
		REQUESTDATA requestData;        /* ......... ... ......... ...... ....... */
		ULONG       ulDataSize;         /* .... ..... ....... ..... .......... ...... */
		PVOID       pvData;             /* .... ..... ........ ...... .. .......... ...... */
		rc = DosReadQueue(hQueue,       /* ..... ....... */
                                 &requestData, /* ...... ....... */
                                 &ulDataSize,  /* ..... .......... ...... */
                                 &pvData,      /* .......... ...... */
                                 0,            /* ...... ...... ....... .. ....... */
                                 FALSE,        /* .... */
                                 0,            /* .........  .. ..... */
                                 NULLHANDLE);  /* ..... ........-.......  .. ..... */
		if (rc || requestData.ulData==MSG_QUIT)
			break;
		processMessage(ulMessageId, ulDataSize, pvData);
	.
	rc = DosCloseQueue(hQueue);             /* ....... ....... */
	return rc;
.

 

/**********************/
/*                    */
/* ....... 2 (......) */
/*                    */
/**********************/

#define MSG_QUIT   0x0001 /* ............. ......... ... .......... ..... */

#define QUEUE_NAME "\\QUEUES\\special.que"	/* ... ........
						 * ...... ..... ....... \QUEUES\
#define INCL_DOS
#include 

int main(void)
.
	HQUEUE hQueue;	/* .... ..... ....... ..... ....... */
	APIRET rc;	/* ......... ...... ....... API */	
	PID	pid;	/* ............. ........, .......... ....... */

	/* ......... ....... */
	rc = DosOpenQueue(&pid, &hQueue, QUE_NAME);
	if (rc)
		return rc;

	rc = DosWriteQueue(hQueue, MSG_QUIT, 0L, NULL, 0L); /* .......... . ....... .........*/
	rc = DosCloseQueue(hQueue);                         /* ......... ....... */
	return rc;
.

. ...... ....... .. ...... ....... ....... . ....... ........ ...... ....... ......... ....... . .......... .... ............ .... ......... . .......... ...... (MSG_QUIT). ...... ......., ....... ... ........., ......... .... .......

........ ........, ... ....... DosCloseQueue() .. ...., ....... ..... ........ ... ...... ... ...... ....... ..... ......., ........ . .... ........

... . ... .. ............ ........ ..... .......? .... . ..., ... ... ............. .... .. .......... ..... .... . ........... ....... ....... ... ......, ..... .......... ......... .......... ....... ...... ....... .. ..... ...... ..... ...... .... ...... ....., ..... .... ....... ....... ....... . ..... ........ ... ......... .....-.. ......., .. ....... ...... ....... ...... ............ . ...... ...... ....... ....... ......., .. .. ........., .......... . ....... ... ... . ........ ..... .........

 

Test the program:

Panorama VESA - fast video driver for multi core computers

Comments:

eCo Software is a group of russian developers.
How to support eCo Software? (you can send us some computers. Maybe you don't use the device but it may be useful for the developers). We have the mailboxes in USA, Netherlands, China and Hong Kong.

 


 

 

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