Kill

Send a signal to a process

Declaration

Source position: oldlinux.pp line 1485

Description

Send a signal Sig to a process or process group. If Pid>0 then the signal is sent to Pid, if it equals -1, then the signal is sent to all processes except process 1. If Pid<-1 then the signal is sent to process group -Pid. The return value is zero, except in case three, where the return value is the number of processes to which the signal was sent.

Errors

LinuxError is used to report errors:

sys_einval

An invalid signal is sent.

sys_esrch

The Pid or process group don't exist.

sys_eperm

The effective userid of the current process doesn't math the one of process Pid.

See also

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