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:
Decleared all the header files useful for this program i.e stdio.h,stdlib.h,unistd.h,signal.h
Also decleared the structure of req_client which incerand and also pid .
Gave the prototype for invoke_req_client .
Gave the prototype for invoke_pro_client.
Also Gave the prototypes for reading the request from req_client and.
Also gave the prototypes for signal() used in the program.
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revision 1.1	locked by: root;
date: 2015/04/15 06:22:33;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: req_add.c,v
Working file: req_add.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 requesting client requesting for add()operation.
The req_add wrote the request to the server by using pipes and signals.
The request includes operator and 2 operands on whbe performed .
it also includes the pid in the request .
After that it accepts the result from the server by using pipes .
Decleared the signal handler and also signal handler function.
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revision 1.1	locked by: root;
date: 2015/04/15 06:32:15;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: req_sub.c,v
Working file: req_sub.c
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 requesting client requesting for the sub() operation.
The req_sub wrote the request which includes operator and operands and pid to the server .
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revision 1.2	locked by: root;
date: 2015/04/15 06:40:01;  author: root;  state: Exp;  lines: +24 -0
Accepts the result send by the server .
Decleared the signal handler and signal handler function.
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revision 1.1
date: 2015/04/15 06:39:02;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: req_mul.c,v
Working file: req_mul.c
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 requesting client requesting for multiplication operation.
Req_mul wrote the request which includes operator,operands and pid to the server.
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revision 1.2	locked by: root;
date: 2015/04/15 06:48:49;  author: root;  state: Exp;  lines: +2 -1
Accepts the request#[C#[C#[C#[C#[C#[.
Accepts the result from the server.
Decleared the signal handler and signal handler function.
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revision 1.1
date: 2015/04/15 06:43:15;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: adder.c,v
Working file: adder.c
head: 1.2
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 2;	selected revisions: 2
description:
This is processing client .
Accepting the request from the server.
Performing the add operation on the operands.
Accepted the request by using pipes .
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revision 1.2
date: 2015/04/15 07:27:18;  author: root;  state: Exp;  lines: +1 -1
Performed the operation and also computed the result .
Worte back result to the server through pipes.
also used the kill()signal.
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revision 1.1
date: 2015/04/15 07:22:18;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: subtractor.c,v
Working file: subtractor.c
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 processing client.
Accepting the request frm the server through pipes .
Performing sub operation on the operands.
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revision 1.2	locked by: root;
date: 2015/04/15 07:33:02;  author: root;  state: Exp;  lines: +0 -1
Performed the operation and also computed the result.
Wrote back result to the server through pipes.
Also used the kill()signal.
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revision 1.1
date: 2015/04/15 07:32:09;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: multiplier.c,v
Working file: multiplier.c
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 processing client.
Accepting the request from the server through pipes.
Performing the mul operation on the operands .
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revision 1.2	locked by: root;
date: 2015/04/15 07:39:55;  author: root;  state: Exp;  lines: +0 -1
Performed the result and computed the result.
Send back the result to the server through pipes .
Also used kill()signal.
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revision 1.1
date: 2015/04/15 07:39:02;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: server.c,v
Working file: server.c
head: 1.2
branch:
locks: strict
	root: 1.2
access list:
symbolic names:
keyword substitution: kv
total revisions: 2;	selected revisions: 2
description:
Accepting different different requests from the 3 different clients that are req_add(),req_sub(),req_mul().
Through pipes.
Created another pipe.
between server and 3 processing clients.
invoked the pro_client and passed all the 3 requests to the different different pro_clients.
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revision 1.2	locked by: root;
date: 2015/04/15 07:13:32;  author: root;  state: Exp;  lines: +0 -1
Accepting the result from the pro_clients through pipe .
Sending back the result to the req_clients through pipe.
Also use the signals for synchronization.
./
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revision 1.1
date: 2015/04/15 07:03:27;  author: root;  state: Exp;
Initial revision
=============================================================================