[Overview][Constants][Types][Procedures and functions][Variables][Index] Reference for unit 'oldlinux' (#rtl)

Kill

Send a signal to a process

Declaration

Source position: oldlinux.pp line 1485

function Kill(

  Pid: LongInt;

  Sig: LongInt

):Integer;

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

SigAction

  

Install signal handler

Signal

  

Install signal handler (deprecated)
The latest version of this document can be found at lazarus-ccr.sourceforge.net.