EmbLogic » Mohit Jangra

client-server project using multi-threads

Mohit Jangra — Sun, 23 Nov 2014 04:30:59 +0000

RCS file: ./server.c,v
Working file: ./server.c
head: 1.9
branch:
locks: strict
root: 1.9
access list:
symbolic names:
keyword substitution: kv
total revisions: 9; selected revisions: 9
description:
included all the header files that will be used in the code
—————————-
revision 1.9 locked by: root;
date: 2014/11/23 17:59:58; author: root; state: Exp; lines: +1 -1
created two more requesting clients
doing the same as above for the other two clients
—————————-
revision 1.8
date: 2014/11/23 17:59:00; author: root; state: Exp; lines: +1 -1
gave pthread exit in the thread
—————————-
revision 1.7
date: 2014/11/23 17:57:57; author: root; state: Exp; lines: +1 -1
processed the data
wrote back to the requesting client using fifo after creating it
—————————-
revision 1.6
date: 2014/11/23 17:56:12; author: root; state: Exp; lines: +1 -1
created a thread for processing the data
—————————-
revision 1.5
date: 2014/11/23 17:55:23; author: root; state: Exp; lines: +1 -1
successfully receieved the data in the server
—————————-
revision 1.4
date: 2014/11/23 17:53:20; author: root; state: Exp; lines: +1 -1
gave the command and address of buffer using msgctl()
sent data to server using msgsnd()
—————————-
revision 1.3
date: 2014/11/23 17:50:17; author: root; state: Exp; lines: +1 -1
defined the message type
printed the kernel key in requesting client
—————————-
revision 1.2
date: 2014/11/23 17:48:55; author: root; state: Exp; lines: +1 -1
created a msgbuf structure
got the kernel key using msgget()
—————————-
revision 1.1
date: 2014/11/23 17:47:22; author: root; state: Exp;
Initial revision

basic implementation of thread

Mohit Jangra — Sun, 23 Nov 2014 04:13:26 +0000

RCS file: ./threads.c,v
Working file: ./threads.c
head: 1.7
branch:
locks: strict
root: 1.7
access list:
symbolic names:
keyword substitution: kv
total revisions: 7; selected revisions: 7
description:
included all the header files that will be used in the code
—————————-
revision 1.7 locked by: root;
date: 2014/11/23 17:42:53; author: root; state: Exp; lines: +1 -1
joined the thread in the main function
destroyed the semaphore
printed exit success
—————————-
revision 1.6
date: 2014/11/23 17:42:12; author: root; state: Exp; lines: +1 -1
called the pthread_exit function the the thread
—————————-
revision 1.5
date: 2014/11/23 17:40:57; author: root; state: Exp; lines: +1 -1
opened a text file in write only mode
wrote the input in the text file that was given as an input from tne user
—————————-
revision 1.4
date: 2014/11/23 17:39:25; author: root; state: Exp; lines: +1 -1
created a thread function after defining it
putting the semaphore in wait condition
—————————-
revision 1.3
date: 2014/11/23 17:37:37; author: root; state: Exp; lines: +1 -1
putting semaphore in wait condition
taking a string input from user(if “end”,then terminate)
increased the semaphore
—————————-
revision 1.2
date: 2014/11/23 17:35:59; author: root; state: Exp; lines: +1 -1
initialised the semaphore
created a thread
—————————-
revision 1.1
date: 2014/11/23 17:35:33; author: root; state: Exp;
Initial revision

ipc using FIFO

Mohit Jangra — Fri, 21 Nov 2014 08:14:24 +0000

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:
includd all the header files that will be used inn the functions
created a structure for two numbers and operation
—————————-
revision 1.6 locked by: root;
date: 2014/11/21 21:42:35; author: root; state: Exp; lines: +1 -1
server read the data
send the result to requesting client
the client displayed the result
—————————-
revision 1.5
date: 2014/11/21 21:41:37; author: root; state: Exp; lines: +1 -1
opened the fifo in read only mode
read the data
proceessed the data
and sent the result back to the server
—————————-
revision 1.4
date: 2014/11/21 21:40:34; author: root; state: Exp; lines: +1 -1
created fifo between server and process
opened the fifo in write only mode
eorte data to the process
—————————-
revision 1.3
date: 2014/11/21 21:38:51; author: root; state: Exp; lines: +1 -1
in server,opened the fifo in read only mode
read the data
—————————-
revision 1.2
date: 2014/11/21 20:27:59; author: root; state: Exp; lines: +1 -1
created a fifo between client and server
opened the fifo in write only mode
wrote data to server
—————————-
revision 1.1
date: 2014/11/21 20:27:25; author: root; state: Exp;
Initial revision

creation,traversing,insertion and deletion in linked list

Mohit Jangra — Fri, 21 Nov 2014 06:42:16 +0000

RCS file: ./link_list.c,v
Working file: ./link_list.c
head: 1.7
branch:
locks: strict
root: 1.7
access list:
symbolic names:
keyword substitution: kv
total revisions: 7; selected revisions: 7
description:
defineed all the header files that will be used in the code
created the function for entering choices
created the function for operation
—————————-
revision 1.7 locked by: root;
date: 2014/11/21 20:10:31; author: root; state: Exp; lines: +1 -1
created two different functions for deleting a node at the beginning and deleting at the end
—————————-
revision 1.6
date: 2014/11/21 20:09:42; author: root; state: Exp; lines: +1 -1
cfreated the function for deleting a node
—————————-
revision 1.5
date: 2014/11/21 20:09:01; author: root; state: Exp; lines: +1 -1
created the function for traversing
—————————-
revision 1.4
date: 2014/11/21 20:07:51; author: root; state: Exp; lines: +1 -1
created three more functions for
insert in begning
insert at the end
and insert at nth popsitiion
—————————-
revision 1.3
date: 2014/11/21 20:06:55; author: root; state: Exp; lines: +1 -1
created a function for inserting a node in a linked list
—————————-
revision 1.2
date: 2014/11/21 20:00:01; author: root; state: Exp; lines: +1 -1
created the link list by first allocating the memory to the temp
then putting node number in the info part of temp
and NULL in the address part of temp
—————————-
revision 1.1
date: 2014/11/21 19:59:07; author: root; state: Exp;
Initial revision

ipc using message queue and semaphores

Mohit Jangra — Thu, 13 Nov 2014 19:40:22 +0000

rcs: warning: No options were given; this usage is obsolescent.
rcs: RCS/server.c,v: No such file or directory
[root@(none) ipc_project]# rcs -i server.c
RCS file: server.c,v
enter description, terminated with single ‘.’ or end of file:
NOTE: This is NOT the log message!
>> included all the header files that will be used in the code
>> defined struct data and struct sembuf
>> .
done
[root@(none) ipc_project]# ci ./server.c
./server.c,v ./server.c
revision 1.1 (locked)
done
[root@(none) ipc_project]# ci ./server.c
./server.c,v > got the kernel key using msgget()
>> checked the accessibility of the file
>> using access(0
>> .
done
[root@(none) ipc_project]# co -l ./server.c
./server.c,v –> ./server.c
revision 1.2 (locked)
done
[root@(none) ipc_project]# ci ./server.c
./server.c,v > created a fifo between client,server and server,process
>> opened the file in write only mode in the requesting client
>> .
done
[root@(none) ipc_project]# co -l ./server.c
./server.c,v –> ./server.c
revision 1.3 (locked)
done
[root@(none) ipc_project]# ci ./server.c
./server.c,v ./server.c
revision 1.3 (locked)
done
co: RCS/co,v: No such file or directory
co: -l option is ignored after filenames
co: -r1.3 option is ignored after filenames
./server.c,v –> ./server.c
revision 1.3 (locked)
writable ./server.c exists; remove it? [ny](n): y
done
[root@(none) ipc_project]# ci ./server.c
./server.c,v ./server.c
revision 1.3 (locked)
done
[root@(none) ipc_project]# ci ./server.c
./server.c,v > now,using semop(),decremented the u.value,making the other processes wait while request client is writing
>> in the server side,reading the data and again incrementing the u.value
>> .
done
[root@(none) ipc_project]# co -l ./server.c
./server.c,v –> ./server.c
revision 1.4 (locked)
done
[root@(none) ipc_project]# ci ./server.c
./server.c,v > closed the fifo
>> gave the gave the m.type
>> .
done
[root@(none) ipc_project]# co -l ./server.c
./server.c,v –> ./server.c
revision 1.5 (locked)
done
[root@(none) ipc_project]# ci ./server.c
./server.c,v > opened the fifo in write onlu mode
>> decremented the u.value
>> wrote data from server to process
>> .
done
[root@(none) ipc_project]# co -l ./server.c
./server.c,v –> ./server.c
revision 1.6 (locked)
done
[root@(none) ipc_project]# ci ./server.c
./server.c,v > read the data in the process side
>> incremented the u.value
>> processed the data
>> .
done
[root@(none) ipc_project]# co -l ./server.c
./server.c,v –> ./server.c
revision 1.7 (locked)
done
[root@(none) ipc_project]# ci ./server.c
./server.c,v > closed the fifo
>> decremented the u.val
>> wrote data to server
>> .
done
[root@(none) ipc_project]# co -l ./server.c
./server.c,v –> ./server.c
revision 1.8 (locked)
done
[root@(none) ipc_project]# ci ./server.c
./server.c,v > read the data in server
>> incremented the u.val
>> closed the fifo
>> .
done
[root@(none) ipc_project]# co -l ./server.c
./server.c,v –> ./server.c
revision 1.9 (locked)
done
[root@(none) ipc_project]# ci ./server.c
./server.c,v > stored the result in r.result
>> opened the client server fifo
>> send the data using msgsnd()
>> .
done
[root@(none) ipc_project]# co -l ./server.c
./server.c,v –> ./server.c
revision 1.10 (locked)
done
[root@(none) ipc_project]# ci ./server.c
./server.c,v > receieved the data in client side using msgrcv()
>> displayed the data
>> closed the fifo
>> .
done
[root@(none) ipc_project]# co -l ./server.c
./server.c,v –> ./server.c
revision 1.11 (locked)
done
[root@(none) ipc_project]# rlog ./server.c

RCS file: ./server.c,v
Working file: ./server.c
head: 1.11
branch:
locks: strict
root: 1.11
access list:
symbolic names:
keyword substitution: kv
total revisions: 11; selected revisions: 11
description:
included all the header files that will be used in the code
defined struct data and struct sembuf
—————————-
revision 1.11 locked by: root;
date: 2014/11/14 09:06:43; author: root; state: Exp; lines: +1 -1
receieved the data in client side using msgrcv()
displayed the data
closed the fifo
—————————-
revision 1.10
date: 2014/11/14 09:05:04; author: root; state: Exp; lines: +1 -1
stored the result in r.result
opened the client server fifo
send the data using msgsnd()
—————————-
revision 1.9
date: 2014/11/14 09:03:39; author: root; state: Exp; lines: +1 -1
read the data in server
incremented the u.val
closed the fifo
—————————-
revision 1.8
date: 2014/11/14 09:02:39; author: root; state: Exp; lines: +1 -1
closed the fifo
decremented the u.val
wrote data to server
—————————-
revision 1.7
date: 2014/11/14 09:00:14; author: root; state: Exp; lines: +1 -1
read the data in the process side
incremented the u.value
processed the data
—————————-
revision 1.6
date: 2014/11/14 08:54:46; author: root; state: Exp; lines: +1 -1
opened the fifo in write onlu mode
decremented the u.value
wrote data from server to process
—————————-
revision 1.5
date: 2014/11/14 08:50:12; author: root; state: Exp; lines: +1 -1
closed the fifo
gave the gave the m.type
—————————-
revision 1.4
date: 2014/11/14 08:45:36; author: root; state: Exp; lines: +1 -1
now,using semop(),decremented the u.value,making the other processes wait while request client is writing
in the server side,reading the data and again incrementing the u.value
—————————-
revision 1.3
date: 2014/11/14 08:40:12; author: root; state: Exp; lines: +1 -1
created a fifo between client,server and server,process
opened the file in write only mode in the requesting client
—————————-
revision 1.2
date: 2014/11/14 08:32:00; author: root; state: Exp; lines: +1 -1
got the kernel key using msgget()
checked the accessibility of the file
using access(0
—————————-
revision 1.1
date: 2014/11/14 08:29:23; author: root; state: Exp;
Initial revision

communication using message queue

Mohit Jangra — Wed, 12 Nov 2014 18:26:57 +0000

RCS file: receiever.c,v
enter description, terminated with single ‘.’ or end of file:
NOTE: This is NOT the log message!
>> included all the header files that will be used in the code
>> .
done
[root@(none) msgq]# ci ./receiever.c
./receiever.c,v ./receiever.c
revision 1.1 (locked)
done
[root@(none) msgq]# ci ./receiever.c
./receiever.c,v > defined the message buffer structure
>> got the kernel id using msgget()
>> .
done
[root@(none) msgq]# co -l ./receiever.c
./receiever.c,v –> ./receiever.c
revision 1.2 (locked)
done
[root@(none) msgq]# man msgctl
[root@(none) msgq]# ci ./receiever.c
./receiever.c,v > gave IPC_STAT command and address of buffer to the msgctl()
>> .
done
[root@(none) msgq]# co -l ./receiever.c
./receiever.c,v –> ./receiever.c
revision 1.3 (locked)
done
[root@(none) msgq]# ci ./receiever.c
./receiever.c,v > gave the message type to the message buffer
>> gave the string using gets()
>> .
done
[root@(none) msgq]# co -l ./receiever.c
./receiever.c,v –> ./receiever.c
revision 1.4 (locked)
done
[root@(none) msgq]# ci ./receiever.c
./receiever.c,v > using msgsnd() sending the message from sender to the receiever
>> on the receiever side using msgecv() receieved the message
>> printed the message receieved
>> .
done
[root@(none) msgq]# co -l ./receiever.c
./receiever.c,v –> ./receiever.c
revision 1.5 (locked)
done
[root@(none) msgq]# rlog ./receiever.c

RCS file: ./receiever.c,v
Working file: ./receiever.c
head: 1.5
branch:
locks: strict
root: 1.5
access list:
symbolic names:
keyword substitution: kv
total revisions: 5; selected revisions: 5
description:
included all the header files that will be used in the code
—————————-
revision 1.5 locked by: root;
date: 2014/11/13 07:55:19; author: root; state: Exp; lines: +1 -1
using msgsnd() sending the message from sender to the receiever
on the receiever side using msgecv() receieved the message
printed the message receieved
—————————-
revision 1.4
date: 2014/11/13 07:53:55; author: root; state: Exp; lines: +1 -1
gave the message type to the message buffer
gave the string using gets()
—————————-
revision 1.3
date: 2014/11/13 07:52:43; author: root; state: Exp; lines: +1 -1
gave IPC_STAT command and address of buffer to the msgctl()
—————————-
revision 1.2
date: 2014/11/13 07:49:23; author: root; state: Exp; lines: +1 -1
defined the message buffer structure
got the kernel id using msgget()
—————————-
revision 1.1
date: 2014/11/13 07:48:36; author: root; state: Exp;
Initial revision

complete mdc project

Mohit Jangra — Wed, 12 Nov 2014 18:01:15 +0000

RCS file: mdc.c,v
Working file: mdc.c
head: 1.8
branch:
locks: strict
root: 1.8
access list:
symbolic names:
keyword substitution: kv
total revisions: 8; selected revisions: 8
description:
included all the header files
entered the string using gets()
—————————-
revision 1.8 locked by: root;
date: 2014/11/13 07:14:16; author: root; state: Exp; lines: +2 -2
in decompressing first right shifted the first byte by four and matched those four bytes with the index of master array and printed the value at that index
for the last four bytes,printed the value for that index from the master array
doing this for other bytes
printed the final array
—————————-
revision 1.7
date: 2014/11/13 07:02:05; author: root; state: Exp; lines: +1 -1
ORING the first byte with secong one
and doing this for other bytes
—————————-
revision 1.6
date: 2014/11/13 06:59:05; author: root; state: Exp; lines: +1 -1
now for secong index moving the index to the byte and first left shift it by four and then right shift it by four
—————————-
revision 1.5
date: 2014/11/13 06:57:04; author: root; state: Exp; lines: +1 -1
in compression X-ORING the bytes with themselves
moving the index of the first character in the bits
and left shifting them by four
—————————-
revision 1.4
date: 2014/11/13 06:56:09; author: root; state: Exp; lines: +1 -1
using lseek function again moving the cursor to the very first location
—————————-
revision 1.3
date: 2014/11/13 06:53:45; author: root; state: Exp; lines: +1 -1
using for loop matching the every element of the entered array with that of master array
if matched then skip the character
if not matched then include the character in the master array
—————————-
revision 1.2
date: 2014/11/13 06:52:57; author: root; state: Exp; lines: +1 -1
assigned the first character in the master arrayy
—————————-
revision 1.1
date: 2014/11/13 06:52:06; author: root; state: Exp;
Initial revision

complete ipc project using semaphores

Mohit Jangra — Mon, 10 Nov 2014 19:47:30 +0000

RCS file: server.c,v
Working file: server.c
head: 1.13
branch:
locks: strict
root: 1.13
access list:
symbolic names:
keyword substitution: kv
total revisions: 13; selected revisions: 13
description:
included all the header files that will be used in the code
—————————-
revision 1.13 locked by: root;
date: 2014/11/11 09:16:36; author: root; state: Exp; lines: +1 -1
did the same for all the other cases
—————————-
revision 1.12
date: 2014/11/11 09:14:47; author: root; state: Exp; lines: +1 -1
again set the operation (–) in the sembuff and forward the data to the client
client receieved the data and closed the fifo
displayed the result
—————————-
revision 1.11
date: 2014/11/11 09:13:00; author: root; state: Exp; lines: +1 -1
server now set the operation (++) and reads the data
—————————-
revision 1.10
date: 2014/11/11 09:10:58; author: root; state: Exp; lines: +1 -1
after processing the data opened the file in write only mode
set the operation (–) in sembuff
wrote data to the server
—————————-
revision 1.9
date: 2014/11/11 09:08:27; author: root; state: Exp; lines: +1 -1
wrote data to the respective process
in the process side, read the data
set the operation (++)in the operation so that now the other process may execute waiting in the waiting list
—————————-
revision 1.8
date: 2014/11/11 09:05:48; author: root; state: Exp; lines: +1 -1
now in parent opened the file in srite only mode
setting the operation (–) using semop call to make the other processes wait until the current process execution is done
—————————-
revision 1.7
date: 2014/11/11 09:04:33; author: root; state: Exp; lines: +1 -1
created the parent and child processes uding fork
—————————-
revision 1.6
date: 2014/11/11 09:01:22; author: root; state: Exp; lines: +1 -1
now using the semop call setting the sembuff operation (++) to release the wait
closed the filr descriptor
—————————-
revision 1.5
date: 2014/11/11 09:00:13; author: root; state: Exp; lines: +1 -1
now the client writes the data and the server reads it
—————————-
revision 1.4
date: 2014/11/11 08:57:13; author: root; state: Exp; lines: +1 -1
in the client side,after opening the file,using the sem buff structure,set the operation (–)
—————————-
revision 1.3
date: 2014/11/11 08:55:39; author: root; state: Exp; lines: +1 -1
created the fifo between the client server and the server process
—————————-
revision 1.2
date: 2014/11/11 08:52:49; author: root; state: Exp; lines: +1 -1
initialised the union value as 1
got the unique kernel key using the semget call
—————————-
revision 1.1
date: 2014/11/11 08:51:02; author: root; state: Exp;
Initial revision

communication between client and server using socket in AF_INET domain

Mohit Jangra — Fri, 07 Nov 2014 18:55:09 +0000

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:
added all the header files that will be used in the code
—————————-
revision 1.6 locked by: root;
date: 2014/11/07 18:52:45; author: root; state: Exp; lines: +1 -1
now the client writes and the server reads
and print it
—————————-
revision 1.5
date: 2014/11/07 18:51:27; author: root; state: Exp; lines: +1 -1
the server gives the connect request
the server accepts the client request
—————————-
revision 1.4
date: 2014/11/07 18:50:46; author: root; state: Exp; lines: +1 -1
the server listens for the connest request from the client
—————————-
revision 1.3
date: 2014/11/07 18:49:18; author: root; state: Exp; lines: +1 -1
binding the socket address,fd,and the size of socket address
—————————-
revision 1.2
date: 2014/11/07 18:45:53; author: root; state: Exp; lines: +46 -0
unlinkiked the socket path
gave the condition for error
—————————-
revision 1.1
date: 2014/11/07 18:45:27; author: root; state: Exp;
Initial revision

creating socket between client and the server in unix

Mohit Jangra — Fri, 07 Nov 2014 18:35:57 +0000

RCS file: ./server.c,v
Working file: ./server.c
head: 1.7
branch:
locks: strict
root: 1.7
access list:
symbolic names:
keyword substitution: kv
total revisions: 7; selected revisions: 7
description:
included all the header files that will be used in the code
—————————-
revision 1.7 locked by: root;
date: 2014/11/07 18:32:31; author: root; state: Exp; lines: +1 -1
closed the socket fd and the client socket fd
—————————-
revision 1.6
date: 2014/11/07 18:31:18; author: root; state: Exp; lines: +1 -1
now the client writes to the server and the server reads and vice-versa
—————————-
revision 1.5
date: 2014/11/07 18:28:36; author: root; state: Exp; lines: +1 -1
before connecting and accepting thfrom the client
—————————-
revision 1.4
date: 2014/11/07 18:26:58; author: root; state: Exp; lines: +1 -1
giving the connect request from the client
accepting the client request in the server
—————————-
revision 1.3
date: 2014/11/07 18:25:39; author: root; state: Exp; lines: +1 -1
binding the servr socket fd,server address and the server length
—————————-
revision 1.2
date: 2014/11/07 18:22:23; author: root; state: Exp; lines: +1 -1
unlinking the server socket
established a connection between server and the client
—————————-
revision 1.1
date: 2014/11/07 18:15:46; author: root; state: Exp;
Initial revision

complete ipc project using pipes

Mohit Jangra — Thu, 06 Nov 2014 18:35:53 +0000

RCS file: ./server.c,v
Working file: ./server.c
head: 1.10
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 10; selected revisions: 10
description:
gave all the header files that will be used in the programs
created a struct data for variables that will be used in writing code
—————————-
revision 1.10
date: 2014/11/07 08:02:43; author: root; state: Exp; lines: +1 -1
now doing this for all the other three requests
—————————-
revision 1.9
date: 2014/11/07 08:00:24; author: root; state: Exp; lines: +1 -1
after receieving the data from the process
forwarding it to the client side
and displaying the result
—————————-
revision 1.8
date: 2014/11/07 07:56:16; author: root; state: Exp; lines: +1 -1
did the processing of numbers in the process side
wrote back the result to the server
—————————-
revision 1.7
date: 2014/11/07 07:52:31; author: root; state: Exp; lines: +1 -1
converted the file descriptors for read and write into integer
and in the process side again converted those file descriptors into characters
—————————-
revision 1.6
date: 2014/11/07 07:51:05; author: root; state: Exp; lines: +1 -1
created a pipe between the server and the process
—————————-
revision 1.5
date: 2014/11/07 07:48:23; author: root; state: Exp; lines: +1 -1
now after creating the child process and creating link between the server and the client,in the parent processreceieved the request from the requestin—————————-
revision 1.4
date: 2014/11/07 07:45:36; author: root; state: Exp; lines: +1 -1
wrote the data to the server for further processing
—————————-
revision 1.3
date: 2014/11/07 07:41:37; author: root; state: Exp; lines: +1 -0
in the request side again changed the file descriptors into integer receieved by the argument vector
—————————-
revision 1.2
date: 2014/11/07 07:38:04; author: root; state: Exp; lines: +0 -1
created a file between server and request
changed the file descriptors for read and write into characters
—————————-
revision 1.1
date: 2014/11/07 07:33:38; author: root; state: Exp;
Initial revision

entering the details of students using pointer structures

Mohit Jangra — Sun, 02 Nov 2014 19:52:07 +0000

RCS file: ./struct4.c,v
Working file: ./struct4.c
head: 1.4
branch:
locks: strict
root: 1.4
access list:
symbolic names:
keyword substitution: kv
total revisions: 4; selected revisions: 4
description:
defined the header files
—————————-
revision 1.4 locked by: root;
date: 2014/11/02 19:42:56; author: root; state: Exp; lines: +1 -1
displayed the details of each student using loop
—————————-
revision 1.3
date: 2014/11/02 19:39:15; author: root; state: Exp; lines: +1 -1
entered the details of each student like name roll no. marks
also stored their values in stuctures
—————————-
revision 1.2
date: 2014/11/02 19:34:11; author: root; state: Exp; lines: +1 -1
defined the structure of user defined data type student
allocated memory to that structure
—————————-
revision 1.1
date: 2014/11/02 19:27:29; author: root; state: Exp;
Initial revision

communication using pipes

Mohit Jangra — Fri, 31 Oct 2014 15:46:03 +0000

RCS file: pipe1.c,v
Working file: pipe1.c
head: 1.4
branch:
locks: strict
root: 1.4
access list:
symbolic names:
keyword substitution: kv
total revisions: 4; selected revisions: 4
description:
defined the header files that will be used in the programs
allocated memory to the string
—————————-
revision 1.4 locked by: root;
date: 2014/10/31 15:32:19; author: root; state: Exp; lines: +1 -1
in another program again converting read from character to integer
reading integers one by one
—————————-
revision 1.3
date: 2014/10/31 15:27:41; author: root; state: Exp; lines: +1 -1
created the child process and the parent process
converted the read into charcter
in the child process
—————————-
revision 1.2
date: 2014/10/31 15:19:36; author: root; state: Exp; lines: +1 -1
gave the condition for read by file descriptor in pipe function
co -l pipe1.c
—————————-
revision 1.1
date: 2014/10/31 15:11:06; author: root; state: Exp;
Initial revision

to print the master array

Mohit Jangra — Wed, 15 Oct 2014 16:35:00 +0000

total revisions: 5; selected revisions: 5
description:
defined the header files to be used in the program
—————————-
revision 1.5
date: 2014/10/16 04:01:32; author: root; state: Exp; lines: +1 -1
printing the master array
—————————-
revision 1.4
date: 2014/10/16 03:56:40; author: root; state: Exp; lines: +14 -1
giving the condition for flag !=1
—————————-
revision 1.3
date: 2014/10/16 03:50:52; author: root; state: Exp; lines: +12 -0
gave the condition for perror
also the condition for matching the characters with the master array
—————————-
revision 1.2
date: 2014/10/16 03:45:13; author: root; state: Exp; lines: +6 -1
opened the file in read only mode
defined the varibles used
allocated the memory to the master array
—————————-
revision 1.1
date: 2014/10/16 03:39:36; author: root; state: Exp;
Initial revision