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view tango/tango/sys/linux/epoll.d @ 132:1700239cab2e trunk
[svn r136] MAJOR UNSTABLE UPDATE!!!
Initial commit after moving to Tango instead of Phobos.
Lots of bugfixes...
This build is not suitable for most things.
author | lindquist |
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date | Fri, 11 Jan 2008 17:57:40 +0100 |
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module tango.sys.linux.epoll; version (linux) { // From <sys/epoll.h>: support for the Linux epoll_*() system calls extern (C) { enum: uint { EPOLLIN = 0x001, EPOLLPRI = 0x002, EPOLLOUT = 0x004, EPOLLRDNORM = 0x040, EPOLLRDBAND = 0x080, EPOLLWRNORM = 0x100, EPOLLWRBAND = 0x200, EPOLLMSG = 0x400, EPOLLERR = 0x008, EPOLLHUP = 0x010, EPOLLONESHOT = (1 << 30), EPOLLET = (1 << 31) } // Valid opcodes ( "op" parameter ) to issue to epoll_ctl(). public const int EPOLL_CTL_ADD = 1; // Add a file descriptor to the interface. public const int EPOLL_CTL_DEL = 2; // Remove a file descriptor from the interface. public const int EPOLL_CTL_MOD = 3; // Change file descriptor epoll_event structure. align(1) union epoll_data { void* ptr; int fd; uint u32; ulong u64; } alias epoll_data epoll_data_t; align(1) struct epoll_event { uint events; // Epoll events epoll_data_t data; // User data variable } // Creates an epoll instance. Returns an fd for the new instance. // The "size" parameter is a hint specifying the number of file // descriptors to be associated with the new instance. The fd // returned by epoll_create() should be closed with close(). int epoll_create(int size); // Manipulate an epoll instance "epfd". Returns 0 in case of success, // -1 in case of error (the "errno" variable will contain the // specific error code) The "op" parameter is one of the EPOLL_CTL_* // constants defined above. The "fd" parameter is the target of the // operation. The "event" parameter describes which events the caller // is interested in and any associated user data. int epoll_ctl(int epfd, int op, int fd, epoll_event* event); // Wait for events on an epoll instance "epfd". Returns the number of // triggered events returned in "events" buffer. Or -1 in case of // error with the "errno" variable set to the specific error code. The // "events" parameter is a buffer that will contain triggered // events. The "maxevents" is the maximum number of events to be // returned (usually size of "events"). The "timeout" parameter // specifies the maximum wait time in milliseconds (-1 == infinite). int epoll_wait(int epfd, epoll_event* events, int maxevents, int timeout); } }