Caché ObjectScript Reference - InterSystems Documentation

System and Other FunctionsError MessagesWhen the $ZF heap area is exhausted, $ZF generates an error. When the $ZF String Stack is exhausted, $ZF generates a error.When $ZF is unable to allocate a buddyblock, it generates a error.Execution from Child Processes and DLLsThe $ZF function can take a negative number as its first parameter. These negative numbersspecify functions that support spawned child processes and Dynamic-Link Libraries (DLLs).Each of these $ZF functions is described in a separate reference page.See Also• $ZF(-1) function• $ZF(-2) function• $ZF(-3) function• $ZF(-4) function• $ZF(-5) function• $ZF(-6) function• Calling Out of Caché in Using Caché ObjectScript• $ZF Function Calls for DSM$ZF(-1)Executes a program or command as a spawned child process and waits for the child processto return.$ZF(-1,progname)ParametersprognameThe command or program to be executed as a child process.Description$ZF(-1) permits a Caché ObjectScript process to invoke a command of the host operatingsystem. It executes the program or command specified in progname as a spawned child process534 Caché ObjectScript Reference