/usr/include/rutil/FdSetIOObserver.hxx is in libresiprocate-1.11-dev 1:1.11.0~beta5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | #ifndef FdSetIOObserver_Include_Guard
#define FdSetIOObserver_Include_Guard
namespace resip
{
class FdSet;
/**
An interface class for elements that use an FdSet to watch for IO. This is in
contrast to an element that uses event-driven IO.
*/
class FdSetIOObserver
{
public:
FdSetIOObserver(){}
virtual ~FdSetIOObserver(){}
/**
Add any FDs that we are interested in watching to an fdset, with the
understanding that a select() call will be made immediately after.
@param fdset The FdSet to be augmented
*/
virtual void buildFdSet(FdSet& fdset) = 0;
/**
Returns the maximum timeout this object is willing to tolerate on the
select call that is to be made, to prevent starvation of work that is
not IO-based.
@return The maximum select() timeout to be used, in milliseconds. To
indicate that this object does not care, return UINT_MAX. 0
indicates that a poll select() should be performed.
*/
virtual unsigned int getTimeTillNextProcessMS() = 0;
/**
Called once select() returns; this allows this object to inspect which
of its FDs are ready, and perform any necessary IO with them.
@param fdset The FdSet after the call to select().
*/
virtual void process(FdSet& fdset) = 0;
};
}
#endif
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