Kirill Tkhai 735461e1bf files: Implement {set,clear,wait}_fds_event() ... The idea is symilar to kernel's wake_up() and wait_event(). One task needs some event. It checks the event has not happened yet (fle hasn't received, unix peer hasn't bound, etc) and calls get_fds_event(). Other task makes the event (sends a fle, binds the peer to a name, etc) and calls set_fds_event(). So, while there is no an event, the first task is sleeping, and the second wakes it up later: Task A: clear_fds_event(); if (!socket_bound) wait_fds_event(); /* sleep */ Task B: bind_socket(); set_fds_event(); /* wake up */ For the details of using see next patches. v5: Use bit operations. Split clear_fds_event from wait function. v2: Do not wait for foreign transport sock is ready, as it's guarantied by we create it before CR_STATE_FORKING. travis-ci: success for Rework file opening scheme to make it asynchronous (rev5) Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>		2017-02-06 14:09:13 +03:00
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common	files: Implement {set,clear,wait}_fds_event()	2017-02-06 14:09:13 +03:00