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Process Management And Interprocess Communication
=================================================
This chapter describes the NSPR routines that deal with processes. A
process is an instance of a program. NSPR provides routines to create a
new process and to wait for the termination of another process.
NSPR does not provide an equivalent of the Unix ``fork()``. The
newly-created process executes its program from the beginning. A new
process can inherit specified file descriptors from its parent, and the
parent can redirect the standard I/O streams of the child process to
specified file descriptors.
Note that the functions described in this chapter are not available for
MacOS or Win16 operating systems.
.. _Process_Management_Types_and_Constants:
Process Management Types and Constants
--------------------------------------
The types defined for process management are:
- :ref:`PRProcess`
- :ref:`PRProcessAttr`
.. _Process_Management_Functions:
Process Management Functions
----------------------------
The process manipulation function fall into these categories:
- `Setting the Attributes of a New
Process <#Setting_the_Attributes_of_a_New_Process>`__
- `Creating and Managing
Processes <#Creating_and_Managing_Processes>`__
.. _Setting_the_Attributes_of_a_New_Process:
Setting the Attributes of a New Process
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The functions that create and manipulate attribute sets of new processes
are:
- :ref:`PR_NewProcessAttr`
- ``PR_ResetProcessAttr``
- ``PR_DestroyProcessAttr``
- ``PR_ProcessAttrSetStdioRedirect``
- ``PR_ProcessAttrSetCurrentDirectory``
- ``PR_ProcessAttrSetInheritableFD``
.. _Creating_and_Managing_Processes:
Creating and Managing Processes
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The functions that create and manage processes are:
- ``PR_CreateProcess``
- ``PR_DetachProcess``
- ``PR_WaitProcess``
- ``PR_KillProcess``
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