diff options
Diffstat (limited to 'lib/posix/epoll.nim')
| -rw-r--r-- | lib/posix/epoll.nim | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/lib/posix/epoll.nim b/lib/posix/epoll.nim index 1f105ecac..7ee062e4f 100644 --- a/lib/posix/epoll.nim +++ b/lib/posix/epoll.nim @@ -33,19 +33,28 @@ const EPOLL_CTL_DEL* = 2 # Remove a file descriptor from the interface. EPOLL_CTL_MOD* = 3 # Change file descriptor epoll_event structure. +# https://github.com/torvalds/linux/blob/ff6992735ade75aae3e35d16b17da1008d753d28/include/uapi/linux/eventpoll.h#L77 +when defined(linux) and defined(amd64): + {.pragma: epollPacked, packed.} +else: + {.pragma: epollPacked.} + type - EpollData* {.importc: "union epoll_data", - header: "<sys/epoll.h>", pure, final.} = object # TODO: This is actually a union. + EpollData* {.importc: "epoll_data_t", + header: "<sys/epoll.h>", pure, final, union.} = object + `ptr`* {.importc: "ptr".}: pointer + fd* {.importc: "fd".}: cint + u32* {.importc: "u32".}: uint32 u64* {.importc: "u64".}: uint64 - EpollEvent* {.importc: "struct epoll_event", header: "<sys/epoll.h>", pure, final.} = object + EpollEvent* {.importc: "struct epoll_event", header: "<sys/epoll.h>", pure, final, epollPacked.} = object events*: uint32 # Epoll events data*: EpollData # User data variable proc epoll_create*(size: cint): cint {.importc: "epoll_create", header: "<sys/epoll.h>".} ## 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(). @@ -59,7 +68,7 @@ proc epoll_ctl*(epfd: cint; op: cint; fd: cint | SocketHandle; event: ptr EpollE importc: "epoll_ctl", header: "<sys/epoll.h>".} ## 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 |