September 2009
Intermediate to advanced
816 pages
19h 38m
English
Content preview from Tcl and the Tk Toolkit, Second Edition
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45. Operating System Utilities
Tcl provides a variety of functions to deal with underlying operating system services. This layer is platform-independent, except where it makes sense to give the user access to lower-level options that may not be present on all platforms.
45.1 Functions Presented in This Chapter
This chapter discusses the following functions for accessing operating system services:
• Tcl_Channel Tcl_OpenCommandChannel(Tcl_Interp *interp, int argc, CONST char *argv, int flags)
Opens a command channel using argv as the command and its arguments.
• Tcl_DetachPids(int numPids, int *pidPtr)
Gives Tcl responsibility for numPids child processes that are passed in via the pidPtr array.
• Tcl_ReapDetachedProcs()
Invokes the ...
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