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Use high-resolution timebases for select().

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* cygwait.h: Add cygwait_us() methods.
	* select.h: Change prototype for select_stuff::wait() for larger
	microsecond timeouts.
	* select.cc (pselect): Convert from old cygwin_select().
	Implement microsecond timeouts.
	(cygwin_select): Rewrite as a wrapper on pselect().
	(select): Implement microsecond timeouts.
	(select_stuff::wait): Implement microsecond timeouts with a timer
	object.
This commit is contained in:
John Hood
2016-01-28 17:08:39 -05:00
committed by Corinna Vinschen
parent 313fcaf1bc
commit 6e70fd315a
3 changed files with 143 additions and 72 deletions
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2
winsup/cygwin/select.h
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@@ -96,7 +96,7 @@ public:
bool test_and_set (int, fd_set *, fd_set *, fd_set *);
int poll (fd_set *, fd_set *, fd_set *);
wait_states wait (fd_set *, fd_set *, fd_set *, DWORD);
wait_states wait (fd_set *, fd_set *, fd_set *, LONGLONG);
void cleanup ();
void destroy ();