Minitalk

Minitalk is a simple project that requires you to use unix signals to send over strings between 2 programs. We can only use SIGUSR1 and SIGUSR2 and we can use the kill function to send them over

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Improvements

Add support for multiple clients at the same time

Client

• client pings server every 100 msecs, and only starts writing after receiving SIGUSR2 back
• client sends \0 when done

Server

• server waits for a signal when pid = 1
• when server receives signal it sets the pid to the sender pid
• it keeps ignoring signals from other PIDs untill it received \0 from the current pid
• after \0 is received pid is set back to 1

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Bugs

none

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Tester

• add valgrind to tester
• check for -Wall -Werror -Wextra

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1. This is the footnote. ↩︎