EmbLogic » Jyoti Singh https://www.emblogic.com/blog Embedded System and ARM Training Tue, 03 Mar 2020 13:00:06 +0000 en-US hourly 1 http://wordpress.org/?v=3.9.1 client-server program using AF_UNIX https://www.emblogic.com/blog/04/client-server-program-using-af_unix/ https://www.emblogic.com/blog/04/client-server-program-using-af_unix/#comments Sun, 03 Apr 2016 15:37:46 +0000 http://www.emblogic.com/blog/?p=13476 Continue reading →]]> RCS file: header.h,v
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This is the base header file for the Project
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This is the requesting client …sending request to the server.
Has socket() to creat the socket.
Has the connect() to connect to the server.
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client has entered some data …into the buffer…and send that buffer through the socket file discriptor.
write()is used to wrote data
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this is my server program for socket programming.
this includes socket()to create the socket and returns file discriptor.
then there is bind call to name the socket created.
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Used remove instead of unlink
used strncpy insted of strcpy to maintain the portability.
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the data accepted by the accept()call .
read and print the data
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Created listen() to listen the accept and given backlog value as 10.that is listen queue size
created accept() to accept the request of the client
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]]> https://www.emblogic.com/blog/04/client-server-program-using-af_unix/feed/ 0 Multiple Client server program using Thread,Pipes and signals https://www.emblogic.com/blog/04/multiple-client-server-program-using-threadpipes-and-signals/ https://www.emblogic.com/blog/04/multiple-client-server-program-using-threadpipes-and-signals/#comments Sun, 03 Apr 2016 15:33:30 +0000 http://www.emblogic.com/blog/?p=13474 Continue reading →]]> RCS file: ./header.h,v
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This is the server
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]]> https://www.emblogic.com/blog/04/multiple-client-server-program-using-threadpipes-and-signals/feed/ 0 Multiple Client-server Program using threads and Message Queue https://www.emblogic.com/blog/03/multiple-client-server-program-using-threads-and-message-queue/ https://www.emblogic.com/blog/03/multiple-client-server-program-using-threads-and-message-queue/#comments Wed, 30 Mar 2016 17:30:30 +0000 http://www.emblogic.com/blog/?p=13460 Continue reading →]]> RCS file: ./header.h,v
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This is req_client1
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Req_client2
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This header contains requesting structure.
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srvr
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]]> https://www.emblogic.com/blog/03/multiple-client-server-program-using-threads-and-message-queue/feed/ 0 Multiple client server program using Shared Memory https://www.emblogic.com/blog/03/multiple-client-server-program-using-shared-memory/ https://www.emblogic.com/blog/03/multiple-client-server-program-using-shared-memory/#comments Wed, 30 Mar 2016 17:19:11 +0000 http://www.emblogic.com/blog/?p=13453 Continue reading →]]> RCS file: ./header.h,v
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This is Base Header file for Multiple client server program using shared memory.
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req_mul
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server
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proc_ad
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]]> https://www.emblogic.com/blog/03/multiple-client-server-program-using-shared-memory/feed/ 0 Write a Program to Subtract two matrix? https://www.emblogic.com/blog/03/write-a-program-to-subtract-two-matrix/ https://www.emblogic.com/blog/03/write-a-program-to-subtract-two-matrix/#comments Wed, 30 Mar 2016 05:51:42 +0000 http://www.emblogic.com/blog/?p=13449 Continue reading →]]> code :

#include<stdio.h>
#include<stdlib.h>
int main()
{
system(“clear”);
int r,c,i,j,a[10][10],b[10][10],d[10][10];
printf(“Enter Row\n”);
scanf(“%d”,&r);
printf(“Enter Column\n”);
scanf(“%d”,&c);
printf(“Enter Element of Matrix1\n”);
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
scanf(“%d”,&a[i][j]);
}
}
printf(“Enter Element of Matrix2\n”);
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
scanf(“%d”,&b[i][j]);
}
}
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
d[i][j]=a[i][j]-b[i][j];
}
}
printf(“Subtraction of two Matrixs\n”);
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
printf(“%d-%d=%d\n”,a[i][j],b[i][j],d[i][j]);
}
}
}

]]> https://www.emblogic.com/blog/03/write-a-program-to-subtract-two-matrix/feed/ 0 Multiple Client-server Program using Message Queue? https://www.emblogic.com/blog/03/multiple-client-server-program-using-message-queue/ https://www.emblogic.com/blog/03/multiple-client-server-program-using-message-queue/#comments Mon, 28 Mar 2016 16:58:12 +0000 http://www.emblogic.com/blog/?p=13443 Continue reading →]]> RCS file: ./header.h,v
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req-sub
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rwq_mul
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===================

]]> https://www.emblogic.com/blog/03/multiple-client-server-program-using-message-queue/feed/ 0 Multiple Client-server Program using FIFO and Semaphore https://www.emblogic.com/blog/03/multiple-client-server-program-using-fifo-and-semaphore/ https://www.emblogic.com/blog/03/multiple-client-server-program-using-fifo-and-semaphore/#comments Sun, 27 Mar 2016 14:37:00 +0000 http://www.emblogic.com/blog/?p=13437 Continue reading →]]> RCS file: ./header.h,v
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description:
This is the base header file for this multiple client server program.
where There are three client named req_add ,req_sub,req_mul and server and
three processing client proc_add,proc_sub,proc_mul.
in this req_client send request to server then server passes to processing client for
further processing.
to provide the synchorinazation symphore are used.
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This is the server
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=

=========
==
==============================================

]]> https://www.emblogic.com/blog/03/multiple-client-server-program-using-fifo-and-semaphore/feed/ 0 Multi-Tasking Operating System https://www.emblogic.com/blog/03/multi-tasking-operating-system/ https://www.emblogic.com/blog/03/multi-tasking-operating-system/#comments Sat, 26 Mar 2016 16:23:17 +0000 http://www.emblogic.com/blog/?p=13434 Continue reading →]]> Multitasking OS is the one that can simultaneously interleave execution of more then one process.

They are of two types :
>>cooperative multitasking : in this process don’t stop running until it voluntary decide to do so . This is known as yielding.

>>Preemptive multitasking : in this scheduler decides when a process to cease running and a new process to begin running. This involuntary suspending of running program is called preemptive. This maintains that no process monopolize the resource.

 

]]> https://www.emblogic.com/blog/03/multi-tasking-operating-system/feed/ 0 Multiple Client – server Program using PIPE and Signal. https://www.emblogic.com/blog/03/multiple-client-server-program-using-pipe-and-signal/ https://www.emblogic.com/blog/03/multiple-client-server-program-using-pipe-and-signal/#comments Sat, 26 Mar 2016 15:50:56 +0000 http://www.emblogic.com/blog/?p=13431 Continue reading →]]> PIPE to mean connecting a data flow from one process to another.PIPE is passed (a pointer to) an array of two integer file descriptors.It fills the array with two new file descriptors and returns a zero. On failure, it returns -1.The two file descriptors returned are connected in a special way. Any data written to file_descriptor[1] can be read back from file_descriptor[0]. The data is processed in a first in, first out basis, usually abbreviated to FIFO.

Fd[0] = read

fd[1] = write

CODE:

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This is the base header file for the project 3_client server ipc technique using pipe and signals
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This is Requesting client named adder
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=
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]]> https://www.emblogic.com/blog/03/multiple-client-server-program-using-pipe-and-signal/feed/ 0 Multiple Data Compression Technique https://www.emblogic.com/blog/03/multiple-data-compression-technique/ https://www.emblogic.com/blog/03/multiple-data-compression-technique/#comments Fri, 25 Mar 2016 14:52:33 +0000 http://www.emblogic.com/blog/?p=13428 Continue reading →]]> Multiple Data Compression is an iterative technique to compress the text data.

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]]> https://www.emblogic.com/blog/03/multiple-data-compression-technique/feed/ 0 Write a program to find particular no. is power of two or not? https://www.emblogic.com/blog/03/write-a-program-to-find-particular-no-is-power-of-two-or-not/ https://www.emblogic.com/blog/03/write-a-program-to-find-particular-no-is-power-of-two-or-not/#comments Wed, 23 Mar 2016 05:18:21 +0000 http://www.emblogic.com/blog/?p=13422 CODE:

#include<stdio.h>
int main()
{
int n;
printf(“Enter a value\n”);
scanf(“%d”,&n);
if((n &(n-1))==0)
printf(“no. is power of 2\n”);
else
printf(“no. is not power of 2\n”);
return 0;
}

]]> https://www.emblogic.com/blog/03/write-a-program-to-find-particular-no-is-power-of-two-or-not/feed/ 0 Write a program to reverse a number? https://www.emblogic.com/blog/03/write-a-program-to-reverse-a-number/ https://www.emblogic.com/blog/03/write-a-program-to-reverse-a-number/#comments Wed, 23 Mar 2016 05:11:47 +0000 http://www.emblogic.com/blog/?p=13420 CODE:

#include<stdio.h>
int main()
{
int n,r=0,num;
printf(“Enter a number:\n”);
scanf(“%d”,&n);
num=n;
while(n!=0)
{
r=r*10;
r=r+n%10;
n=n/10;
}
printf(“Reverse number is %d\n”,r);
if(num==r)
printf(“Palindrome number\n”);
else
printf(“Not a Palindrome\n”);
return 0;
}

]]> https://www.emblogic.com/blog/03/write-a-program-to-reverse-a-number/feed/ 0 Write a program to print Diamond Pattern? https://www.emblogic.com/blog/03/write-a-program-to-print-diamond-pattern/ https://www.emblogic.com/blog/03/write-a-program-to-print-diamond-pattern/#comments Tue, 22 Mar 2016 09:24:31 +0000 http://www.emblogic.com/blog/?p=13416 Continue reading →]]> CODE:

#include<stdio.h>
int main()
{
int i,j,k,n,space,temp;
printf(“enter value of n\n”);
scanf(“%d”,&n);
temp=n;
for(i=1;i<=n;i++)
{
for(j=i;j<n;j++)
{
printf(” “);
}
for(k=1;k<(2*i);k++)
{
printf(“*”);
}
printf(“\n”);
}
temp=1;
for(i=n-1;i>=1;i–)
{
for(j=1;j<=temp;j++)
{
printf(” “);
}
temp++;
for(k=1;k<(i*2);k++)
{
printf(“*”);
}
printf(“\n”);
}
}

 

]]> https://www.emblogic.com/blog/03/write-a-program-to-print-diamond-pattern/feed/ 0 Write a program to find the range of data types? https://www.emblogic.com/blog/03/write-a-program-to-find-the-range-of-data-types/ https://www.emblogic.com/blog/03/write-a-program-to-find-the-range-of-data-types/#comments Tue, 22 Mar 2016 09:21:13 +0000 http://www.emblogic.com/blog/?p=13411 Continue reading →]]> CODE:

#include<stdio.h>
#include<limits.h>
#include<float.h>
int main()
{
printf(“Range of integer value:%d to %d \n”,INT_MIN,INT_MAX);
printf(“Range of char value:%d to %d \n”,CHAR_MIN,CHAR_MAX);
printf(“Range of float value:%e to %e \n”,FLT_MIN,FLT_MAX);
printf(“Range of double value:%e to %e \n”,DBL_MIN,DBL_MAX);
printf(“Range of long double value:%e to %e \n”,LDBL_MIN,LDBL_MAX);
//printf(“Range of integer value:%d to %d \n”,LINT_MIN,LINT_MAX);
}

]]> https://www.emblogic.com/blog/03/write-a-program-to-find-the-range-of-data-types/feed/ 0 Write a program to find LCM and HCF of three number? https://www.emblogic.com/blog/03/write-a-program-to-find-lcm-and-hcf-of-three-number/ https://www.emblogic.com/blog/03/write-a-program-to-find-lcm-and-hcf-of-three-number/#comments Mon, 21 Mar 2016 09:00:06 +0000 http://www.emblogic.com/blog/?p=13409 CODE:

#include<stdio.h>
int main()
{
int a,b,c,x,y,z,lcm,hcf,r,lcm1;
printf(“Enter three number\n”);
scanf(“%d%d%d”,&x,&y,&z);
a=x;
b=y;
c=z;
while(x!=0)
{
r=y%x;
y=x;
x=r;
}
lcm=(a*b)/y;
while(y!=0)
{
r=z%y;
z=y;
y=r;
}
hcf=z;
lcm1=(lcm*c)/hcf;
printf(“LCM:%d”,lcm1);
printf(“HCF:%d”,hcf);
return 0;
}

]]> https://www.emblogic.com/blog/03/write-a-program-to-find-lcm-and-hcf-of-three-number/feed/ 0