Search Results

in a single main() function,so need signal handling. Use Posix Message Queue IPC mechanism , can ignore the priority and other linked list message,to implement the scenario:

client:Knock Knock...

Thanks for your continue help.

I tried this before, just leave the kill (getppid(),SIGTERM) there,it can't terminate the program. in my main(), I put waitpid(childpid,NULL,0);

please help
...

I want to have a message send & receive through 2 uni-direction FIFO

Flow of data

FIFO1

stdin--->parent(client) writefd--->FIFO1-->child(server) readfd

FIFO2

child(server)...

I want to have a message send & receive through 2 half-duplex pipes

Flow of data

top half pipe
stdin--->parent(client) fd1[1]--->pipe1-->child(server) fd1[0]

bottom half pipe ...