Difference between revisions of "CANCELPID()"
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==Purpose== | ==Purpose== | ||
Function to cancel a sub-process | Function to cancel a sub-process | ||
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==Description== | ==Description== | ||
| − | The CANCELPID() function returns .T. if the specified process ID <expN> | + | The CANCELPID() function returns .T. if the specified process ID <expN> was "killed" and .F. otherwise. The SPAWNPID() function is used to get the process ID of the last process spawned. |
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==Example== | ==Example== | ||
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==Products== | ==Products== | ||
| − | Recital | + | Recital Server, Recital |
[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Functions]] | [[Category:Functions]] | ||
| + | [[Category:Disk and File Utilities]] | ||
| + | [[Category:Disk and File Utilities Functions]] | ||
Latest revision as of 16:56, 28 December 2011
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> was "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
Products
Recital Server, Recital
