Colin Walters 3388d9618b GSubprocess: New class for spawning child processes
There are a number of nice things this class brings:

0) On Unix, if WNOWAIT is available, has race-free termination API (we
   don't reap the child until the GSubprocess is finalized, so the
   GPid is always valid)
1) Operates in terms of G{Input,Output}Stream, not file descriptors
2) Async API instead of GSource
3) Makes some simple cases easy, like synchronously spawning a
   process with an argument list
4) Makes hard cases possible, like asynchronously running a process
   with stdout/stderr merged, output directly to a file path

Much rewriting and code review from Ryan Lortie <desrt@desrt.ca>

https://bugzilla.gnome.org/show_bug.cgi?id=672102
2013-01-20 10:41:53 -05:00
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