Difference between revisions of "CANCELPID()"

Latest revision as of 07:03, 10 December 2012

Purpose

Function to cancel a sub-process

Syntax

CANCELPID(<expN>)

See Also

ACTIVEPID(), GETGID(), GETPID(), GETUID(), SPAWN, SPAWNPID()

Description

The CANCELPID() function returns .T. if the specified process ID <expN> could be "killed" and .F. otherwise. The SPAWNPID() function is used to get the process ID of the last process spawned.

Example

spawn db program
m_activepid = spawnpid()
if activepid(m->m_activepid)
    if cancelpid(m->m_activepid)
        dialog box "Process Canceled."
    else
        dialog box "Process couldn't be Canceled."
    endif
else
    dialog box "There is no Process Active."
endif