eCo Software
doesn't receive
payments from USA

 
Update

 
Applications

 
Advantages:

 
For developer:

 
(Пайпы программ)

 
Companies:

 
History:

 
(Бонусы)

 
Advice:

 
(Барьеры и решения)

 
Technologies:

 
(Применение в науке, лаборатории, ..)

 

 
Solutions

 
New eComStation:

 
Future:

 
(Ссылки на другие сайты)

 
(Картинка дня)

 
OS/2 artefacts:

 
Gadgets:

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

Please use online translator
go to http://translate.google.com
and request the translation of http://ru.ecomstation./showarticle.php?id=273
to your language

........

..... ..........., ....... ..... .... ... ............. 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:

Several dosenz of applications may be ported to eComStation thanks to Qt4 toolkit

Comments:

Comment this article.


O seu Nome:

O seu E-Mail:

CODE:
527337......

  

O seu Comentаrio:


How to prevent data loss? a) don't use old version of JFS driver. b) Don't boot from old eCS CD1 (if you take eCS 2.0 CD1, then disable its disk checker else it can kill your partitions), Advice how to use JFS filesystem

Artigos
Sistema Operativo
Software
Hardware
Para Desenvolvedores
MiscelГnea
Do Editor





Last active poll: What is the height of RPM barrier?

[Google]

IBM OS/2 Warp

 
For dummies
Report: OS/2 compatible hardware

 
Reviews

     
  Why eComStation?
Features
Advantages
Usage
Clips and screenshots 		   eComStation for
for businessmen
for students and engineers
for reselles of computers
community of users
    Developer
Distribute the program
Description of API, libraries
Start new project
Competition
   Applications
On-line catalogue
Select from eCo Market
   Support service
Contact the web-master
Buy eComStation
Frequently asked questions
for Beginners
  
 
© 2001 - 2025 eCo Software, All rights reserved
Сибирский Медведь **********
eComStation Serenity Systems International • OS/2 Warp IBM Corporation • ArcaOS Arca Noae