Tag Archives: ipc
How to Send a signal -Using Kill command
Send a signal by Kill command ======================= – To send a signal to a process other than current task. – It has prototype :- int kill(pid_t pid, int signo); – It is included using header :- #include<signal.h> – The system … Continue reading
How to register a signal
Register a signal ================== – Program can handle a signal using signal library function signal(). – signal() is used to register the signal handler function with kernel on behalf of current process. – It is included in header :- #include<header.h> … Continue reading
About Signals
Signals ======== – A signal is an event generated by UNIX/LINUX system in response to some condition. – On receipt of a signal, process may in turn take some action. – Signals are generated by some error conditions such as:- … Continue reading
Types of Interprocess Communications in Linux
Types of Inter-process Communications (IPCs) in Linux : 1. Pipes 2. Named Pipes/FIFO 3. Signals 4. Semaphores 5. Message Queue 6. Shared Memory
PID, PPID and NICE value of a process
PCB (Process Control Board) ———————————- Every Process has its Process Control Board(PCB) which tells about the process. PCB contains PID,PPID,PC(program counter),nice value of process. PID :- * PID is Process Identification of any process. * It is a number . … Continue reading
Project 03: Client Server implementation using PIPES
Here i have used 3 requesting clients and 3 processing clients. RCS file: header1.h,v Working file: header1.h head: branch: locks: strict access list: symbolic names: keyword substitution: kv total revisions: 0 description: this is the header file.it contains library which … Continue reading
client,server and process communication via pipes
RCS file: RCS/server.c,v Working file: server.c head: 1.8 branch: locks: strict access list: symbolic names: keyword substitution: kv total revisions: 8; selected revisions: 8 description: program which act as a server to take the request of client done:created one child … Continue reading
process replacement followed by inter process comm. using file
This is the output: [root@localhost ipc]# ./p_comm File Open Successfully This is Parent with id=31340 This is child with id=31341 This is a new program which replaced the child Write By Child:: Success Read by Parent: Success Child Said:Hello … Continue reading
