OUTPUT AT SERVER TERMINAL [root@VIPIN scp_shm_usingsemp]# ./server semget: Success process 8390 create the semaphore semctl: Success process 8390 control the semaphore address of val in server0x804914c shmget: Success process 8390 create the shared mem process 8390 control the shared mem … Continue reading →

OUTPUT AT SERVER TERMINAL [root@VIPIN scp_mq_using_semp]# ./server semget:: Success msgget:: Success msgctl:: Success msgrcv at server: Success 1 2 + data send to pc1 from server: Success msgget:: Success data recieved from server at pc1: Success result send to server … Continue reading →

RCS file: ./1sem.c,v Working file: ./1sem.c head: 1.7 branch: locks: strict root: 1.7 access list: symbolic names: keyword substitution: kv total revisions: 7; selected revisions: 7 description: implementation of basic semaphore —————————- revision 1.7 locked by: root; date: 2014/11/22 04:22:47; … Continue reading →

RCS file: ./1sig.c,v Working file: ./1sig.c head: 1.2 branch: locks: strict root: 1.2 access list: symbolic names: keyword substitution: kv total revisions: 2; selected revisions: 2 description: basic implementation of signals —————————- revision 1.2 locked by: root; date: 2014/11/22 04:18:02; … Continue reading →

RCS file: server.c,v Working file: server.c head: 1.47 branch: locks: strict root: 1.47 access list: symbolic names: keyword substitution: kv total revisions: 47; selected revisions: 47 description: SERVER —————————- revision 1.47 locked by: root; date: 2014/11/11 03:55:47; author: root; state: … Continue reading →

RCS for sever file RCS file: server.c,v Working file: server.c head: 1.34 branch: locks: strict access list: symbolic names: keyword substitution: kv total revisions: 34; selected revisions: 34 description: server program using threads —————————- revision 1.34 date: 2014/11/21 06:58:33; author: … Continue reading →

Header file RCS for IPC project using message queue: RCS file: ./header.h,v Working file: ./header.h head: 1.4 branch: locks: strict root: 1.4 access list: symbolic names: keyword substitution: kv total revisions: 4; selected revisions: 4 description: header file for client … Continue reading →

server.c: #include”header1.h” int main() { pid_t pid_c,pid_p; int fd_c[2],fd_p[2],counter=0,pipec_success,pipep_success,stat_val,res; char fd_cr[2],fd_cw[2],fd_pr[2],fd_pw[2],*path; struct data_format data; path = malloc(sizeof(char)*50); while(counter < 3) { pipec_success = pipe(fd_c); if(pipec_success != 0) { perror(“Pipe client:”); return -1; } sprintf(fd_cr,”%d”,fd_c[0]); sprintf(fd_cw,”%d”,fd_c[1]); printf(“Enter path\n”); gets(path); pid_c = … Continue reading →

Message queue is the inter process technique in which two or more unrelated process can communicate using that queue. In message queue we send a message number associated with particular client/process along with our data and at the server end … Continue reading →

Output of the program is: Main function starts File opened successfully with fd 3 i am in parent I am in child process and my pid is 1505 fd received from calling process is 3 file contains Welcome to emblogic. … Continue reading →

Output is: [root@VIPIN server_client_comm4.1]# ./server Requesting client1 has written 12 bytes of data on server Processing client1 has recieved 12 bytes of data from server The recieved data is a=7 b=4 operator=+ Result calculated by the processing client1 is 11 … Continue reading →

CS file: ./1pipes.c,v Working file: ./1pipes.c head: 1.3 branch: locks: strict root: 1.3 access list: symbolic names: keyword substitution: kv total revisions: 3; selected revisions: 3 description: Basic implementation of pipes —————————- revision 1.3 locked by: root; date: 2014/10/16 18:44:25; … Continue reading →

RCS file: ./1execl.c,v Working file: ./1execl.c head: 1.3 branch: locks: strict root: 1.3 access list: symbolic names: keyword substitution: kv total revisions: 3; selected revisions: 3 description: basic implementation of process replacement —————————- revision 1.3 locked by: root; date: 2014/10/15 … Continue reading →

RCS file: ./2fork.c,v Working file: ./2fork.c head: 1.2 branch: locks: strict root: 1.2 access list: symbolic names: keyword substitution: kv total revisions: 2; selected revisions: 2 description: basic fork implementation —————————- revision 1.2 locked by: root; date: 2014/10/14 21:23:34; author: … Continue reading →