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Diffstat (limited to 'unix/os/doc/zopdpr.hlp')
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diff --git a/unix/os/doc/zopdpr.hlp b/unix/os/doc/zopdpr.hlp new file mode 100644 index 00000000..acf90a30 --- /dev/null +++ b/unix/os/doc/zopdpr.hlp @@ -0,0 +1,37 @@ +.help zopdpr May84 "System Interface" +.ih +NAME +zopdpr -- open a detached process +.ih +SYNOPSIS +.nf +zopdpr (process_name, bkgfile, jobcode) + +packed char process_name[] # executable file name +packed char bkgfile[] # job file +int jobcode # job number of bkg job +.fi +.ih +DESCRIPTION +A background job is queued for execution at some unspecifiable future time. +The process named by the executable file \fIprocess_name\fR will eventually +execute as a detached process, i.e., independently of the parent process. +When the process runs it will read the file \fIbkgfile\fR to determine what +to do. The format of the background file is application dependent. +Deletion of the background file indicates that the background job +has terminated. +.ih +RETURN VALUE +ERR is returned if the background job cannot be queued for some reason. +If the operation is successful \fIjobcode\fR contains the positive nonzero +magic integer assigned by the kernel or by the host system to the job. +.ih +NOTES +The background job may execute immediately or may be placed in a queue +and executed at some later time, depending on the implementation chosen +for a particular host system. The significance of \fIjobcode\fR is +machine dependent. +.ih +SEE ALSO +zcldpr, zopcpr +.endhelp |