User-defined signal 2

Application-defined signal with no fixed meaning. Used alongside SIGUSR1 for custom inter-process communication; interpretation is left entirely to the application.

References

man7.org/linux/man-pages/man7/signal.7.html

In this namespace

← previous SIGUSR1 User-defined signal 1 next → SIGVTALRM Virtual alarm clock

SIGTSTP SIGTTIN SIGTTOU SIGURG SIGUSR1 SIGUSR2 SIGVTALRM SIGWINCH SIGXCPU SIGXFSZ