——————————–

——————————–
RCS file: header.h,v
Working file: header.h
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1;    selected revisions: 1
description:
It includes basic headerfiles for FIFOs.
It contains stdio.h, fcntl.h, unistd.h, sys/types.h, sys/stat.h
It contains #ifndef HEADERS to avoid multiple declaration of heders by differnt files.
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revision 1.1    locked by: root;
date: 2015/12/21 04:54:01;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: request.h,v
Working file: request.h
head: 1.7
branch:
locks: strict
root: 1.7
access list:
symbolic names:
keyword substitution: kv
total revisions: 7;    selected revisions: 7
description:
It contains struct request
It is format of basic client request.
It contains client PID, 2 objects,operation to be performed.
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revision 1.7    locked by: root;
date: 2015/12/21 05:56:59;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.6
date: 2015/12/21 05:52:10;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.5
date: 2015/12/21 05:50:03;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.4
date: 2015/12/21 05:46:10;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.3
date: 2015/12/21 05:32:51;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.2
date: 2015/12/21 05:27:31;  author: root;  state: Exp;  lines: +1 -1
Macro of REQUESTFIFO is redefined which contains a %d which will be its PID.
—————————-
revision 1.1
date: 2015/12/21 04:56:38;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: adder.c,v
Working file: adder.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1;    selected revisions: 1
description:
adder has command line arguments which contains File Descriptors of pipe.
adder read request from server for adding 2 objects
adder write result(int) into server.
—————————-
revision 1.1    locked by: root;
date: 2015/12/21 04:40:12;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: client1.c,v
Working file: client1.c
head: 1.14
branch:
locks: strict
root: 1.14
access list:
symbolic names:
keyword substitution: kv
total revisions: 14;    selected revisions: 14
description:
It open the requestfifo
Write request for addition using struct request to server
Then, it reads result(int) from server.
Before reading result “resultfifo” is being created by client.
Different clients uses same requestfifo but they have unique resultfifo which is created by client itself.
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revision 1.14    locked by: root;
date: 2015/12/21 06:16:33;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
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revision 1.13
date: 2015/12/21 06:11:20;  author: root;  state: Exp;  lines: +7 -7
name of arr changes to client_fifo
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revision 1.12
date: 2015/12/21 05:59:17;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
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revision 1.11
date: 2015/12/21 05:56:32;  author: root;  state: Exp;  lines: +3 -3
arr data type changes from char * to string.
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revision 1.10
date: 2015/12/21 05:52:06;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.9
date: 2015/12/21 05:50:02;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.8
date: 2015/12/21 05:46:08;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.7
date: 2015/12/21 05:41:58;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.6
date: 2015/12/21 05:39:43;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.5
date: 2015/12/21 05:35:20;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.4
date: 2015/12/21 05:34:03;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.3
date: 2015/12/21 05:32:47;  author: root;  state: Exp;  lines: +1 -0
*** empty log message ***
—————————-
revision 1.2
date: 2015/12/21 05:27:08;  author: root;  state: Exp;  lines: +3 -1
sprintf() is used for creating client address.
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revision 1.1
date: 2015/12/21 04:42:31;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: client2.c,v
Working file: client2.c
head: 1.2
branch:
locks: strict
root: 1.2
access list:
symbolic names:
keyword substitution: kv
total revisions: 2;    selected revisions: 2
description:
client2 request for subtraction from the server.
It writes its request from requestfifo.
And it creates the resultfifo.
And it reads result from server through resultfifo.
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revision 1.2    locked by: root;
date: 2015/12/21 06:36:30;  author: root;  state: Exp;  lines: +7 -4
client_fifo is introduced.
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revision 1.1
date: 2015/12/21 05:09:19;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: client3.c,v
Working file: client3.c
head: 1.3
branch:
locks: strict
root: 1.3
access list:
symbolic names:
keyword substitution: kv
total revisions: 3;    selected revisions: 3
description:
This client request for multiplication.
It writes request to server through requestfifo.
It creates resultfifo.
It reads result from server through resultfifo.
—————————-
revision 1.3    locked by: root;
date: 2015/12/21 06:37:03;  author: root;  state: Exp;  lines: +7 -4
client_fifo is introduced.
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revision 1.2
date: 2015/12/21 05:16:34;  author: root;  state: Exp;  lines: +1 -1
Values of objects changed.
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revision 1.1
date: 2015/12/21 05:14:09;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: multiplier.c,v
Working file: multiplier.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1;    selected revisions: 1
description:
It read request from server from pipe for multiplication purpose.
It prosses the request and get the result.
result is written to server through pipe.
—————————-
revision 1.1    locked by: root;
date: 2015/12/21 04:46:24;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: server.c,v
Working file: server.c
head: 1.6
branch:
locks: strict
root: 1.6
access list:
symbolic names:
keyword substitution: kv
total revisions: 6;    selected revisions: 6
description:
Ii can handle only 1 client in this revision.
requestfifo is created.
It reads the request from client.
A pipe is created by server.
This pipe is used to send request to adder.
Then, it read result(int) from adder.
through pipe.
It writes result to the client using resultfifo (of respectice client).
—————————-
revision 1.6    locked by: root;
date: 2015/12/21 06:18:23;  author: root;  state: Exp;  lines: +1 -1
client_fifo data type changes from char to string.
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revision 1.5
date: 2015/12/21 06:16:43;  author: root;  state: Exp;  lines: +1 -1
sprintf() is used for getting RESULTFIFO name.
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revision 1.4
date: 2015/12/21 06:11:34;  author: root;  state: Exp;  lines: +3 -1
client_fifo is used for RESULT_FIFO.
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revision 1.3
date: 2015/12/21 05:06:34;  author: root;  state: Exp;  lines: +3 -3
+,-,* are replaced by ‘+’,’-’,’*’ respectively in switch case of operation.
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revision 1.2
date: 2015/12/21 05:04:10;  author: root;  state: Exp;  lines: +13 -3
execl() for subtractor and multiplier are also included along with addition in a switch case which depend on operand of the request by the client.
—————————-
revision 1.1
date: 2015/12/21 04:47:51;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: subtractor.c,v
Working file: subtractor.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1;    selected revisions: 1
description:
It reads request from server through pipe for subtraction purpose.
It processes the request and get the result.
result is send to server by the pipe.
—————————-
revision 1.1    locked by: root;
date: 2015/12/21 04:52:26;  author: root;  state: Exp;
Initial revision
=============================================================================

————————————

————————————
RCS file: header.h,v
Working file: header.h
head: 1.2
branch:
locks: strict
root: 1.2
access list:
symbolic names:
keyword substitution: kv
total revisions: 2;    selected revisions: 2
description:
It contains basic header files for communication using FIFO.
—————————-
revision 1.2    locked by: root;
date: 2015/12/20 23:20:47;  author: root;  state: Exp;  lines: +2 -2
It is prevented from multiple declarations.
—————————-
revision 1.1
date: 2015/12/20 23:18:12;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: request.h,v
Working file: request.h
head: 1.5
branch:
locks: strict
root: 1.5
access list:
symbolic names:
keyword substitution: kv
total revisions: 5;    selected revisions: 5
description:
This is format of client request.
it contains client pid, operator and 2 objects(int).
—————————-
revision 1.5    locked by: root;
date: 2015/12/21 04:27:36;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.4
date: 2015/12/21 04:26:40;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.3
date: 2015/12/21 03:53:15;  author: root;  state: Exp;  lines: +3 -0
macro REQUESTFIFO and RESULTFIFO are defined.
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revision 1.2
date: 2015/12/21 01:32:02;  author: root;  state: Exp;  lines: +1 -1
name of cpid changes to pid.
—————————-
revision 1.1
date: 2015/12/20 23:18:41;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: adder.c,v
Working file: adder.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1;    selected revisions: 1
description:
It is a function for adding.
It reads request from server as struct request and write result to server in int format through pipe.
—————————-
revision 1.1    locked by: root;
date: 2015/12/21 02:02:20;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: client1.c,v
Working file: client1.c
head: 1.22
branch:
locks: strict
root: 1.22
access list:
symbolic names:
keyword substitution: kv
total revisions: 22;    selected revisions: 22
description:
client open the requestfifo.
client writes some text into i.
—————————-
revision 1.22    locked by: root;
date: 2015/12/21 04:29:45;  author: root;  state: Exp;  lines: +4 -4
*** empty log message ***
—————————-
revision 1.21
date: 2015/12/21 04:09:45;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.20
date: 2015/12/21 04:08:24;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.19
date: 2015/12/21 04:07:12;  author: root;  state: Exp;  lines: +2 -2
ce
—————————-
revision 1.18
date: 2015/12/21 03:57:01;  author: root;  state: Exp;  lines: +4 -4
*** empty log message ***
—————————-
revision 1.17
date: 2015/12/21 03:52:08;  author: root;  state: Exp;  lines: +6 -6
requestfifo is replaced by REQUESTFIFO
resultfifo is replaced by RESULTFIFO
—————————-
revision 1.16
date: 2015/12/21 03:17:55;  author: root;  state: Exp;  lines: +10 -1
Now, client creates resultfifo.
resultfifo is open in mode 666.
—————————-
revision 1.15
date: 2015/12/21 02:52:59;  author: root;  state: Exp;  lines: +1 -1
sleep time increse from 4 to 8.
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revision 1.14
date: 2015/12/21 02:49:55;  author: root;  state: Exp;  lines: +2 -2
name of requestfifo corrected to resultfifo.
—————————-
revision 1.13
date: 2015/12/21 02:42:57;  author: root;  state: Exp;  lines: +1 -1
sleep time reduced to 4 from 10.
—————————-
revision 1.12
date: 2015/12/21 02:34:15;  author: root;  state: Exp;  lines: +2 -1
sleep(10) added.
—————————-
revision 1.11
date: 2015/12/21 02:24:59;  author: root;  state: Exp;  lines: +31 -6
Client reads result from server.
—————————-
revision 1.10
date: 2015/12/21 01:33:51;  author: root;  state: Exp;  lines: +1 -1
buff is removed.
—————————-
revision 1.9
date: 2015/12/21 01:31:01;  author: root;  state: Exp;  lines: +13 -4
Server reading request.
—————————-
revision 1.8
date: 2015/12/21 01:12:53;  author: root;  state: Exp;  lines: +2 -1
*** empty log message ***
—————————-
revision 1.7
date: 2015/12/21 00:03:08;  author: root;  state: Exp;  lines: +1 -0
*** empty log message ***
—————————-
revision 1.6
date: 2015/12/21 00:00:49;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.5
date: 2015/12/20 23:59:50;  author: root;  state: Exp;  lines: +2 -1
*** empty log message ***
—————————-
revision 1.4
date: 2015/12/20 23:56:41;  author: root;  state: Exp;  lines: +2 -3
A character is written to FIF
O.
—————————-
revision 1.3
date: 2015/12/20 23:45:04;  author: root;  state: Exp;  lines: +2 -0
*** empty log message ***
—————————-
revision 1.2
date: 2015/12/20 23:39:19;  author: root;  state: Exp;  lines: +2 -2
some print statements added.
—————————-
revision 1.1
date: 2015/12/20 23:11:52;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: server.c,v
Working file: server.c
head: 1.37
branch:
locks: strict
root: 1.37
access list:
symbolic names:
keyword substitution: kv
total revisions: 37;    selected revisions: 37
description:
Server creates requestfifo using mkfifo() function.
—————————-
revision 1.37    locked by: root;
date: 2015/12/21 04:29:53;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.36
date: 2015/12/21 04:24:47;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.35
date: 2015/12/21 04:09:47;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.34
date: 2015/12/21 04:08:25;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.33
date: 2015/12/21 04:07:16;  author: root;  state: Exp;  lines: +2 -2
ce
—————————-
revision 1.32
date: 2015/12/21 03:57:02;  author: root;  state: Exp;  lines: +6 -6
*** empty log message ***
—————————-
revision 1.31
date: 2015/12/21 03:52:55;  author: root;  state: Exp;  lines: +11 -11
requestfifo is replaced by REQUESTFIFO
>> resultfifo is replaced by RESULTFIFO
>> .
—————————-
revision 1.30
date: 2015/12/21 03:18:28;  author: root;  state: Exp;  lines: +4 -0
server write result into resultfifo.
server do not create resultfifo from now.
—————————-
revision 1.29
date: 2015/12/21 02:55:05;  author: root;  state: Exp;  lines: +1 -1
printing changes.
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revision 1.28
date: 2015/12/21 02:41:37;  author: root;  state: Exp;  lines: +3 -0
adding print statements.
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revision 1.27
date: 2015/12/21 02:37:45;  author: root;  state: Exp;  lines: +1 -1
ce
—————————-
revision 1.26
date: 2015/12/21 02:34:32;  author: root;  state: Exp;  lines: +1 -1
sleep(1) added.
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revision 1.25
date: 2015/12/21 02:28:43;  author: root;  state: Exp;  lines: +1 -1
Problem in passing argument to write.
It is an address.
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revision 1.24
date: 2015/12/21 02:28:08;  author: root;  state: Exp;  lines: +2 -2
ce
—————————-
revision 1.23
date: 2015/12/21 02:27:11;  author: root;  state: Exp;  lines: +1 -1
ce
—————————-
revision 1.22
date: 2015/12/21 02:25:30;  author: root;  state: Exp;  lines: +4 -3
Server writes result to client.
—————————-
revision 1.21
date: 2015/12/21 02:12:44;  author: root;  state: Exp;  lines: +1 -1
sleep(1) is added between writing request and reading result from adder.
—————————-
revision 1.20
date: 2015/12/21 02:11:10;  author: root;  state: Exp;  lines: +1 -1
data type of char rfd,wfd changes to char rfd[4],wfd[4]
—————————-
revision 1.19
date: 2015/12/21 02:09:06;  author: root;  state: Exp;  lines: +1 -1
rfd and wfd of pipe which are to be send to adder using execl .
Ther data type corrected from int to char.
—————————-
revision 1.18
date: 2015/12/21 02:07:13;  author: root;  state: Exp;  lines: +1 -1
data type of arr is corrected.
arr is array of pipe.
It changes from char to int.
—————————-
revision 1.17
date: 2015/12/21 02:03:54;  author: root;  state: Exp;  lines: +62 -11
Server writes request to adder() for calculation.
It creates a pipe using pipe() and execl()
It reads result from adder() after calculation.
—————————-
revision 1.16
date: 2015/12/21 01:31:12;  author: root;  state: Exp;  lines: +5 -3
Server reading request and client writing request.
—————————-
revision 1.15
date: 2015/12/21 01:14:24;  author: root;  state: Exp;  lines: +1 -1
wrfifo open in read mode.
—————————-
revision 1.14
date: 2015/12/21 01:12:55;  author: root;  state: Exp;  lines: +1 -0
*** empty log message ***
—————————-
revision 1.13
date: 2015/12/21 01:07:00;  author: root;  state: Exp;  lines: +2 -2
open() command given to requestfifo()
—————————-
revision 1.12
date: 2015/12/21 01:01:40;  author: root;  state: Exp;  lines: +1 -1
sleep changes from 2 to 10.
—————————-
revision 1.11
date: 2015/12/21 00:04:48;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.10
date: 2015/12/21 00:03:10;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.9
date: 2015/12/20 23:57:01;  author: root;  state: Exp;  lines: +3 -3
A character is read from fifo.
—————————-
revision 1.8
date: 2015/12/20 23:53:41;  author: root;  state: Exp;  lines: +1 -1
mode changes from 666 to 777.
—————————-
revision 1.7
date: 2015/12/20 23:46:29;  author: root;  state: Exp;  lines: +1 -1
mode of requestfifo is corrected.
—————————-
revision 1.6
date: 2015/12/20 23:41:16;  author: root;  state: Exp;  lines: +1 -0
sleep(2) is given before read.
—————————-
revision 1.5
date: 2015/12/20 23:31:17;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.4
date: 2015/12/20 23:26:07;  author: root;  state: Exp;  lines: +2 -2
Spelling mistake corrected
acces changes to access()
—————————-
revision 1.3
date: 2015/12/20 23:23:11;  author: root;  state: Exp;  lines: +1 -1
; mistake.
—————————-
revision 1.2
date: 2015/12/20 23:22:31;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.1
date: 2015/12/20 23:12:38;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: request.h,v
Working file: request.h
head: 1.2
branch:
locks: strict
root: 1.2
access list:
symbolic names:
keyword substitution: kv
total revisions: 2;    selected revisions: 2
description:
This is format of client request.
it contains client pid, operator and 2 objects(int).
—————————-
revision 1.2    locked by: root;
date: 2015/12/21 01:32:02;  author: root;  state: Exp;  lines: +1 -1
name of cpid changes to pid.
—————————-
revision 1.1
date: 2015/12/20 23:18:41;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: adder.c,v
Working file: adder.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1;    selected revisions: 1
description:
It is a function for adding.
It reads request from server as struct request and write result to server in int format through pipe.
—————————-
revision 1.1    locked by: root;
date: 2015/12/21 02:02:20;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: client1.c,v
Working file: client1.c
head: 1.15
branch:
locks: strict
root: 1.15
access list:
symbolic names:
keyword substitution: kv
total revisions: 15;    selected revisions: 15
description:
client open the requestfifo.
client writes some text into i.
—————————-
revision 1.15    locked by: root;
date: 2015/12/21 02:52:59;  author: root;  state: Exp;  lines: +1 -1
sleep time increse from 4 to 8.
—————————-
revision 1.14
date: 2015/12/21 02:49:55;  author: root;  state: Exp;  lines: +2 -2
name of requestfifo corrected to resultfifo.
—————————-
revision 1.13
date: 2015/12/21 02:42:57;  author: root;  state: Exp;  lines: +1 -1
sleep time reduced to 4 from 10.
—————————-
revision 1.12
date: 2015/12/21 02:34:15;  author: root;  state: Exp;  lines: +2 -1
sleep(10) added.
—————————-
revision 1.11
date: 2015/12/21 02:24:59;  author: root;  state: Exp;  lines: +31 -6
Client reads result from server.
—————————-
revision 1.10
date: 2015/12/21 01:33:51;  author: root;  state: Exp;  lines: +1 -1
buff is removed.
—————————-
revision 1.9
date: 2015/12/21 01:31:01;  author: root;  state: Exp;  lines: +13 -4
Server reading request.
—————————-
revision 1.8
date: 2015/12/21 01:12:53;  author: root;  state: Exp;  lines: +2 -1
*** empty log message ***
—————————-
revision 1.7
date: 2015/12/21 00:03:08;  author: root;  state: Exp;  lines: +1 -0
*** empty log message ***
—————————-
revision 1.6
date: 2015/12/21 00:00:49;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.5
date: 2015/12/20 23:59:50;  author: root;  state: Exp;  lines: +2 -1
*** empty log message ***
—————————-
revision 1.4
date: 2015/12/20 23:56:41;  author: root;  state: Exp;  lines: +2 -3
A character is written to FIF
O.
—————————-
revision 1.3
date: 2015/12/20 23:45:04;  author: root;  state: Exp;  lines: +2 -0
*** empty log message ***
—————————-
revision 1.2
date: 2015/12/20 23:39:19;  author: root;  state: Exp;  lines: +2 -2
some print statements added.
—————————-
revision 1.1
date: 2015/12/20 23:11:52;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: server.c,v
Working file: server.c
head: 1.29
branch:
locks: strict
root: 1.29
access list:
symbolic names:
keyword substitution: kv
total revisions: 29;    selected revisions: 29
description:
Server creates requestfifo using mkfifo() function.
—————————-
revision 1.29    locked by: root;
date: 2015/12/21 02:55:05;  author: root;  state: Exp;  lines: +1 -1
printing changes.
—————————-
revision 1.28
date: 2015/12/21 02:41:37;  author: root;  state: Exp;  lines: +3 -0
adding print statements.
—————————-
revision 1.27
date: 2015/12/21 02:37:45;  author: root;  state: Exp;  lines: +1 -1
ce
—————————-
revision 1.26
date: 2015/12/21 02:34:32;  author: root;  state: Exp;  lines: +1 -1
sleep(1) added.
—————————-
revision 1.25
date: 2015/12/21 02:28:43;  author: root;  state: Exp;  lines: +1 -1
Problem in passing argument to write.
It is an address.
—————————-
revision 1.24
date: 2015/12/21 02:28:08;  author: root;  state: Exp;  lines: +2 -2
ce
—————————-
revision 1.23
date: 2015/12/21 02:27:11;  author: root;  state: Exp;  lines: +1 -1
ce
—————————-
revision 1.22
date: 2015/12/21 02:25:30;  author: root;  state: Exp;  lines: +4 -3
Server writes result to client.
—————————-
revision 1.21
date: 2015/12/21 02:12:44;  author: root;  state: Exp;  lines: +1 -1
sleep(1) is added between writing request and reading result from adder.
—————————-
revision 1.20
date: 2015/12/21 02:11:10;  author: root;  state: Exp;  lines: +1 -1
data type of char rfd,wfd changes to char rfd[4],wfd[4]
—————————-
revision 1.19
date: 2015/12/21 02:09:06;  author: root;  state: Exp;  lines: +1 -1
rfd and wfd of pipe which are to be send to adder using execl .
Ther data type corrected from int to char.
—————————-
revision 1.18
date: 2015/12/21 02:07:13;  author: root;  state: Exp;  lines: +1 -1
data type of arr is corrected.
arr is array of pipe.
It changes from char to int.
—————————-
revision 1.17
date: 2015/12/21 02:03:54;  author: root;  state: Exp;  lines: +62 -11
Server writes request to adder() for calculation.
It creates a pipe using pipe() and execl()
It reads result from adder() after calculation.
—————————-
revision 1.16
date: 2015/12/21 01:31:12;  author: root;  state: Exp;  lines: +5 -3
Server reading request and client writing request.
—————————-
revision 1.15
date: 2015/12/21 01:14:24;  author: root;  state: Exp;  lines: +1 -1
wrfifo open in read mode.
—————————-
revision 1.14
date: 2015/12/21 01:12:55;  author: root;  state: Exp;  lines: +1 -0
*** empty log message ***
—————————-
revision 1.13
date: 2015/12/21 01:07:00;  author: root;  state: Exp;  lines: +2 -2
open() command given to requestfifo()
—————————-
revision 1.12
date: 2015/12/21 01:01:40;  author: root;  state: Exp;  lines: +1 -1
sleep changes from 2 to 10.
—————————-
revision 1.11
date: 2015/12/21 00:04:48;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.10
date: 2015/12/21 00:03:10;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.9
date: 2015/12/20 23:57:01;  author: root;  state: Exp;  lines: +3 -3
A character is read from fifo.
—————————-
revision 1.8
date: 2015/12/20 23:53:41;  author: root;  state: Exp;  lines: +1 -1
mode changes from 666 to 777.
—————————-
revision 1.7
date: 2015/12/20 23:46:29;  author: root;  state: Exp;  lines: +1 -1
mode of requestfifo is corrected.
—————————-
revision 1.6
date: 2015/12/20 23:41:16;  author: root;  state: Exp;  lines: +1 -0
sleep(2) is given before read.
—————————-
revision 1.5
date: 2015/12/20 23:31:17;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.4
date: 2015/12/20 23:26:07;  author: root;  state: Exp;  lines: +2 -2
Spelling mistake corrected
acces changes to access()
—————————-
revision 1.3
date: 2015/12/20 23:23:11;  author: root;  state: Exp;  lines: +1 -1
; mistake.
—————————-
revision 1.2
date: 2015/12/20 23:22:31;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.1
date: 2015/12/20 23:12:38;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: request.h,v
Working file: request.h
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1;    selected revisions: 1
description:
It contains structure of request.
—————————-
revision 1.1    locked by: root;
date: 2015/12/20 20:01:44;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: adder.c,v
Working file: adder.c
head: 1.4
branch:
locks: strict
root: 1.4
access list:
symbolic names:
keyword substitution: kv
total revisions: 4;    selected revisions: 4
description:
A function for adding obj1 and obj2 which is contained in request received.
—————————-
revision 1.4    locked by: root;
date: 2015/12/20 21:52:27;  author: root;  state: Exp;  lines: +4 -4
Printing changes.
—————————-
revision 1.3
date: 2015/12/20 21:32:16;  author: root;  state: Exp;  lines: +1 -0
Printing mistake corrected.
—————————-
revision 1.2
date: 2015/12/20 21:22:32;  author: root;  state: Exp;  lines: +12 -4
Result is sent to server.
—————————-
revision 1.1
date: 2015/12/20 21:06:23;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: client1.c,v
Working file: client1.c
head: 1.13
branch:
locks: strict
root: 1.13
access list:
symbolic names:
keyword substitution: kv
total revisions: 13;    selected revisions: 13
description:
request.h , stdio.h, fcntl.h included.
argc has 3 arguments
argv has rfdp,wfdp.
Client writes the message.
—————————-
revision 1.13    locked by: root;
date: 2015/12/20 21:52:27;  author: root;  state: Exp;  lines: +9 -12
Printing Changes
—————————-
revision 1.12
date: 2015/12/20 21:46:04;  author: root;  state: Exp;  lines: +2 -2
obj1 and obj2 value changes
—————————-
revision 1.11
date: 2015/12/20 21:43:02;  author: root;  state: Exp;  lines: +1 -1
Printing change.
—————————-
revision 1.10
date: 2015/12/20 21:41:10;  author: root;  state: Exp;  lines: +13 -2
Client reading result from server
—————————-
revision 1.9
date: 2015/12/20 20:50:38;  author: root;  state: Exp;  lines: +1 -1
Request printed.
—————————-
revision 1.8
date: 2015/12/20 20:48:04;  author: root;  state: Exp;  lines: +1 -1
Request sent
—————————-
revision 1.7
date: 2015/12/20 20:41:57;  author: root;  state: Exp;  lines: +1 -1
argv changed to argv[]
—————————-
revision 1.6
date: 2015/12/20 20:40:43;  author: root;  state: Exp;  lines: +5 -5
*** empty log message ***
—————————-
revision 1.5
date: 2015/12/20 20:38:04;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.4
date: 2015/12/20 20:33:54;  author: root;  state: Exp;  lines: +1 -2
Debugging
—————————-
revision 1.3
date: 2015/12/20 20:32:04;  author: root;  state: Exp;  lines: +2 -1
argc is printed.
—————————-
revision 1.2
date: 2015/12/20 20:27:40;  author: root;  state: Exp;  lines: +1 -0
print statement at starting is added.
—————————-
revision 1.1
date: 2015/12/20 19:55:46;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: client2.c,v
Working file: client2.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1;    selected revisions: 1
description:
It requests for subtration from server.
—————————-
revision 1.1    locked by: root;
date: 2015/12/20 22:11:46;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: client3.c,v
Working file: client3.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1;    selected revisions: 1
description:
It is function for multiplication.
—————————-
revision 1.1    locked by: root;
date: 2015/12/20 22:29:00;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: multiplier.c,v
Working file: multiplier.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1;    selected revisions: 1
description:
Function for multiplier
—————————-
revision 1.1    locked by: root;
date: 2015/12/20 22:09:30;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: server.c,v
Working file: server.c
head: 1.29
branch:
locks: strict
root: 1.29
access list:
symbolic names:
keyword substitution: kv
total revisions: 29;    selected revisions: 29
description:
Server includes header.h,request.h
server creates a pipe(Half duplex)
Server then creates a child.
child is replaced by client.
When pipe(arr) is called , arr[0] has read file descriptor and arr[1]
has write file descriptor.
rfdp and wfdp are passed to child.
server reads the  data written by pipe.
—————————-
revision 1.29    locked by: root;
date: 2015/12/20 22:21:29;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.28
date: 2015/12/20 22:19:00;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.27
date: 2015/12/20 22:16:05;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.26
date: 2015/12/20 22:14:36;  author: root;  state: Exp;  lines: +1 -2
*** empty log message ***
—————————-
revision 1.25
date: 2015/12/20 22:07:12;  author: root;  state: Exp;  lines: +18 -2
Subtractor and multiplier and adder are available operations.
—————————-
revision 1.24
date: 2015/12/20 21:56:07;  author: root;  state: Exp;  lines: +2 -2
Printing changes.
—————————-
revision 1.23
date: 2015/12/20 21:54:17;  author: root;  state: Exp;  lines: +2 -2
Printing changes.
—————————-
revision 1.22
date: 2015/12/20 21:44:51;  author: root;  state: Exp;  lines: +3 -3
Printing change
—————————-
revision 1.21
date: 2015/12/20 21:42:22;  author: root;  state: Exp;  lines: +2 -2
count4 declared.
—————————-
revision 1.20
date: 2015/12/20 21:41:10;  author: root;  state: Exp;  lines: +12 -2
Server writing result to client.
—————————-
revision 1.19
date: 2015/12/20 21:32:16;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.18
date: 2015/12/20 21:30:26;  author: root;  state: Exp;  lines: +12 -5
server read the result and print it.
—————————-
revision 1.17
date: 2015/12/20 21:16:59;  author: root;  state: Exp;  lines: +2 -2
logical error
—————————-
revision 1.16
date: 2015/12/20 21:12:16;  author: root;  state: Exp;  lines: +1 -0
ce
—————————-
revision 1.15
date: 2015/12/20 21:07:57;  author: root;  state: Exp;  lines: +1 -1
fret2 is declared.
—————————-
revision 1.14
date: 2015/12/20 21:06:23;  author: root;  state: Exp;  lines: +35 -5
adder is callled using another pipe and fork.
—————————-
revision 1.13
date: 2015/12/20 20:52:39;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.12
date: 2015/12/20 20:51:47;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.11
date: 2015/12/20 20:50:38;  author: root;  state: Exp;  lines: +1 -1
Request printed.
—————————-
revision 1.10
date: 2015/12/20 20:48:04;  author: root;  state: Exp;  lines: +1 -1
Request received.
—————————-
revision 1.9
date: 2015/12/20 20:44:58;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.8
date: 2015/12/20 20:29:14;  author: root;  state: Exp;  lines: +2 -1
ret=wait()
—————————-
revision 1.7
date: 2015/12/20 20:27:40;  author: root;  state: Exp;  lines: +2 -1
print statement at starting is added.
—————————-
revision 1.6
date: 2015/12/20 20:24:08;  author: root;  state: Exp;  lines: +1 -1
client1 is replaced by client (name change in execl).
—————————-
revision 1.5
date: 2015/12/20 20:22:45;  author: root;  state: Exp;  lines: +4 -1
*** empty log message ***
—————————-
revision 1.4
date: 2015/12/20 20:20:38;  author: root;  state: Exp;  lines: +1 -1
Pipe is created before fork.
—————————-
revision 1.3
date: 2015/12/20 20:19:46;  author: root;  state: Exp;  lines: +4 -2
Some print statements added.
—————————-
revision 1.2
date: 2015/12/20 20:16:56;  author: root;  state: Exp;  lines: +1 -0
*** empty log message ***
—————————-
revision 1.1
date: 2015/12/20 19:55:46;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: subtractor.c,v
Working file: subtractor.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1;    selected revisions: 1
description:
Function for subtraction.
—————————-
revision 1.1    locked by: root;
date: 2015/12/20 22:09:30;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: request_client.c,v
Working file: request_client.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1; selected revisions: 1
description:
this is the first requesting client.
Sending request for the addtion.
—————————-
revision 1.1 locked by: root;
date: 2015/03/05 00:08:11; author: root; state: Exp;
Initial revision
=============================================================================

RCS file: request_client_mul.c,v
Working file: request_client_mul.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1; selected revisions: 1
description:
this is second requesting client
sending request for the multiplication.
—————————-
revision 1.1 locked by: root;
date: 2015/03/05 00:08:19; author: root; state: Exp;
Initial revision
=============================================================================

RCS file: request_client_sub.c,v
Working file: request_client_sub.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1; selected revisions: 1
description:
this is the third requesting client
sending request for the subtraction
—————————-
revision 1.1 locked by: root;
date: 2015/03/05 00:08:19; author: root; state: Exp;
Initial revision
=============================================================================

RCS file: adder.c,v
Working file: adder.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1; selected revisions: 1
description:
this is first processing client
here arithmetic operation”ADDITION” is performed
—————————-
revision 1.1 locked by: root;
date: 2015/03/05 00:08:19; author: root; state: Exp;
Initial revision
=============================================================================

RCS file: mul.c,v
Working file: mul.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1; selected revisions: 1
description:
this is the second processing client
here arithmetic operation “MULTIPLICATION” is performed.
—————————-
revision 1.1 locked by: root;
date: 2015/03/05 00:08:19; author: root; state: Exp;
Initial revision
=============================================================================

RCS file: sub.c,v
Working file: sub.c
head: 1.1
branch:
locks: strict
root: 1.1
access list:
symbolic names:
keyword substitution: kv
total revisions: 1; selected revisions: 1
description:
this is the third processing client.
Here arithmetic operation “SUBTRACTION” is performed.
—————————-
revision 1.1 locked by: root;
date: 2015/03/05 00:08:19; author: root; state: Exp;
Initial revision
=============================================================================

RCS file: RCS/server.c,v
Working file: server.c
head: 1.27
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 27;    selected revisions: 27
description:
program which act as a server to take the request of client
done:created one child process and a pipe
done:replace the child process with client1.c and send pfd[1] to the client as a command line argument
—————————-
revision 1.27
date: 2014/09/27 13:32:08;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.26
date: 2014/09/27 13:30:56;  author: root;  state: Exp;  lines: +1 -1
fix child exit normally
—————————-
revision 1.25
date: 2014/09/27 13:26:47;  author: root;  state: Exp;  lines: +5 -11
remove extra printf
—————————-
revision 1.24
date: 2014/09/27 13:20:47;  author: root;  state: Exp;  lines: +19 -6
create 3rd client and process to perform multiplication
—————————-
revision 1.23
date: 2014/09/27 13:07:11;  author: root;  state: Exp;  lines: +2 -2
include client 2 also
—————————-
revision 1.22
date: 2014/09/27 12:59:47;  author: root;  state: Exp;  lines: +1 -1
send signal to client after reading the result from process pipe and writing the same into client pipe
—————————-
revision 1.21
date: 2014/09/27 12:54:04;  author: root;  state: Exp;  lines: +4 -2
get the pid of child in parent process inorder to send the signal using kill
—————————-
revision 1.20
date: 2014/09/27 12:48:34;  author: root;  state: Exp;  lines: +7 -6
get the id of process child into pid1
—————————-
revision 1.19
date: 2014/09/27 05:37:45;  author: root;  state: Exp;  lines: +1 -0
check char variable in switch case
—————————-
revision 1.18
date: 2014/09/27 05:34:19;  author: root;  state: Exp;  lines: +1 -2
*** empty log message ***
—————————-
revision 1.17
date: 2014/09/27 05:27:32;  author: root;  state: Exp;  lines: +1 -1
change the position of signal handler
—————————-
revision 1.16
date: 2014/09/27 05:25:13;  author: root;  state: Exp;  lines: +1 -1
use pause to synchronise
—————————-
revision 1.15
date: 2014/09/27 05:18:07;  author: root;  state: Exp;  lines: +2 -2
change the lable1 in front of fork
—————————-
revision 1.14
date: 2014/09/27 05:12:04;  author: root;  state: Exp;  lines: +21 -3
create 1 client and 1 process for subtraction operation
—————————-
revision 1.13
date: 2014/09/26 19:00:34;  author: root;  state: Exp;  lines: +0 -1
*** empty log message ***
—————————-
revision 1.12
date: 2014/09/26 18:55:32;  author: root;  state: Exp;  lines: +2 -0
write the result into client pipe
—————————-
revision 1.11
date: 2014/09/26 18:51:04;  author: root;  state: Exp;  lines: +5 -1
define function to handle sigusr1
—————————-
revision 1.10
date: 2014/09/26 18:46:22;  author: root;  state: Exp;  lines: +2 -2
use pause()
—————————-
revision 1.9
date: 2014/09/26 17:57:33;  author: root;  state: Exp;  lines: +30 -86
remake the program without using any sleep instruction
use structure to read the data from client
write the num1 and num2 into process adder pipe
—————————-
revision 1.8
date: 2014/09/24 14:24:48;  author: root;  state: Exp;  lines: +0 -1
change the o/p appearence
—————————-
revision 1.7
date: 2014/09/24 14:12:17;  author: root;  state: Exp;  lines: +42 -10
read result from p1,p2,p3
—————————-
revision 1.6
date: 2014/09/24 13:08:55;  author: root;  state: Exp;  lines: +17 -3
create one more child process to call process1.c
—————————-
revision 1.5
date: 2014/09/24 09:47:40;  author: root;  state: Exp;  lines: +31 -3
read the data from all three client
do switch case to perform different operation
—————————-
revision 1.4
date: 2014/09/24 08:38:36;  author: root;  state: Exp;  lines: +6 -6
create 3 child of same parent to call diff-2 client
—————————-
revision 1.3
date: 2014/09/24 08:14:31;  author: root;  state: Exp;  lines: +18 -7
crate another pipe for communication between server and process
—————————-
revision 1.2
date: 2014/09/24 06:39:04;  author: root;  state: Exp;  lines: +3 -0
read the data through pipe sent by client1
—————————-
revision 1.1
date: 2014/09/24 06:22:18;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: RCS/client1.c,v
Working file: client1.c
head: 1.15
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 15;    selected revisions: 15
description:
client process which will replace the child process
done:create the structure for operand and operation, get the pipe write fd as a command line argument
—————————-
revision 1.15
date: 2014/09/27 13:21:15;  author: root;  state: Exp;  lines: +0 -2
remove unwanted printf
—————————-
revision 1.14
date: 2014/09/27 13:07:36;  author: root;  state: Exp;  lines: +1 -1
don’t work  by ignoring so get back on handling the SIGUSR1
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revision 1.13
date: 2014/09/27 13:03:41;  author: root;  state: Exp;  lines: +1 -2
test on signal ignore
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revision 1.12
date: 2014/09/27 13:00:28;  author: root;  state: Exp;  lines: +6 -1
define the signal handler and use pause till the client get the result after writing the data into pipe
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revision 1.11
date: 2014/09/27 12:54:35;  author: root;  state: Exp;  lines: +1 -0
get pid of itself
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revision 1.10
date: 2014/09/27 05:34:35;  author: root;  state: Exp;  lines: +1 -0
*** empty log message ***
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revision 1.9
date: 2014/09/27 05:25:49;  author: root;  state: Exp;  lines: +1 -0
send signal to parent using kill
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revision 1.8
date: 2014/09/26 18:55:49;  author: root;  state: Exp;  lines: +2 -1
read the result from the server end
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revision 1.7
date: 2014/09/26 18:46:32;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
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revision 1.6
date: 2014/09/26 17:59:29;  author: root;  state: Exp;  lines: +15 -8
use structure to write the data into pipe
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revision 1.5
date: 2014/09/24 14:25:10;  author: root;  state: Exp;  lines: +0 -2
change the o/p appearance
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revision 1.4
date: 2014/09/24 09:48:23;  author: root;  state: Exp;  lines: +6 -11
write operater and two operand into pipe
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revision 1.3
date: 2014/09/24 08:15:04;  author: root;  state: Exp;  lines: +3 -1
send the data to server and exit()
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revision 1.2
date: 2014/09/24 06:39:32;  author: root;  state: Exp;  lines: +5 -1
write the data into pipe so that server can read that
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revision 1.1
date: 2014/09/24 06:24:50;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: RCS/client2.c,v
Working file: client2.c
head: 1.10
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 10;    selected revisions: 10
description:
create client 2 to do the different mathematical operation
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revision 1.10
date: 2014/09/27 13:21:39;  author: root;  state: Exp;  lines: +1 -4
remove unwanted printf
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revision 1.9
date: 2014/09/27 13:10:11;  author: root;  state: Exp;  lines: +3 -1
remove syntex error
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revision 1.8
date: 2014/09/27 13:08:14;  author: root;  state: Exp;  lines: +3 -1
write the signal handler
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revision 1.7
date: 2014/09/27 12:49:18;  author: root;  state: Exp;  lines: +1 -0
use signal
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revision 1.6
date: 2014/09/27 05:34:37;  author: root;  state: Exp;  lines: +1 -0
*** empty log message ***
—————————-
revision 1.5
date: 2014/09/27 05:26:00;  author: root;  state: Exp;  lines: +2 -1
send signal SIGUSR1 to server
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revision 1.4
date: 2014/09/27 05:12:30;  author: root;  state: Exp;  lines: +19 -8
client for subtraction
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revision 1.3
date: 2014/09/24 16:13:23;  author: root;  state: Exp;  lines: +0 -2
*** empty log message ***
—————————-
revision 1.2
date: 2014/09/24 09:48:57;  author: root;  state: Exp;  lines: +7 -15
write into pipe
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revision 1.1
date: 2014/09/24 08:39:12;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: RCS/client3.c,v
Working file: client3.c
head: 1.4
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 4;    selected revisions: 4
description:
create client 3
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revision 1.4
date: 2014/09/27 13:21:49;  author: root;  state: Exp;  lines: +21 -7
create client for multiplication with signal handler after writing the data
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revision 1.3
date: 2014/09/24 14:25:40;  author: root;  state: Exp;  lines: +0 -2
change the o/p appearance
—————————-
revision 1.2
date: 2014/09/24 09:49:23;  author: root;  state: Exp;  lines: +6 -13
whrite into pipe
—————————-
revision 1.1
date: 2014/09/24 08:39:54;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: RCS/process1.c,v
Working file: process1.c
head: 1.6
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 6;    selected revisions: 6
description:
this is process program which do the operation on data and return the result
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revision 1.6
date: 2014/09/27 13:26:59;  author: root;  state: Exp;  lines: +0 -1
remove extra printf
—————————-
revision 1.5
date: 2014/09/26 18:46:37;  author: root;  state: Exp;  lines: +2 -0
send signal using kill
—————————-
revision 1.4
date: 2014/09/26 17:59:53;  author: root;  state: Exp;  lines: +6 -16
get the num1 and num2 from server and perform the addition operation
wrirte back the sum into pipe
—————————-
revision 1.3
date: 2014/09/24 14:25:49;  author: root;  state: Exp;  lines: +0 -2
change the o/p appearance
—————————-
revision 1.2
date: 2014/09/24 14:13:02;  author: root;  state: Exp;  lines: +8 -3
write the result into pipe in interger form
—————————-
revision 1.1
date: 2014/09/24 13:09:17;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: RCS/process2.c,v
Working file: process2.c
head: 1.5
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 5;    selected revisions: 5
description:
process to perform – operation and writing the result back into the pipe
—————————-
revision 1.5
date: 2014/09/27 13:27:12;  author: root;  state: Exp;  lines: +0 -1
remove extra printf
—————————-
revision 1.4
date: 2014/09/27 05:13:57;  author: root;  state: Exp;  lines: +1 -1
use sub instead of sum
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revision 1.3
date: 2014/09/27 05:12:41;  author: root;  state: Exp;  lines: +7 -15
processing end for subtraction
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revision 1.2
date: 2014/09/24 14:25:52;  author: root;  state: Exp;  lines: +0 -2
change the o/p appearance
—————————-
revision 1.1
date: 2014/09/24 14:14:17;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: RCS/process3.c,v
Working file: process3.c
head: 1.3
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 3;    selected revisions: 3
description:
process 3 to perform multiplication
—————————-
revision 1.3
date: 2014/09/27 13:22:13;  author: root;  state: Exp;  lines: +7 -16
process 3 for multiplication
—————————-
revision 1.2
date: 2014/09/24 14:25:55;  author: root;  state: Exp;  lines: +0 -2
change the o/p appearance
—————————-
revision 1.1
date: 2014/09/24 14:14:52;  author: root;  state: Exp;
Initial revision
=============================================================================