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Handle EPOLLHUP to avoid chaos/runaways when using certain file descriptors.

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A concrete example is pipe file descriptors: they generate EPOLLHUP instead of a EPOLLIN (then 0 bytes read). The loop will run wild if this event is not handled.
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Elie Zedeck 2015-01-21 18:15:38 +03:00
commit 1845e05a34
1 changed files with 1 additions and 1 deletions
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2
lib/pure/selectors.nim
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@ -156,7 +156,7 @@ elif defined(linux):
let fd = s.events[i].data.fd.SocketHandle let fd = s.events[i].data.fd.SocketHandle
var evSet: set[Event] = {} var evSet: set[Event] = {}
if (s.events[i].events and EPOLLERR) != 0: evSet = evSet + {EvError} if (s.events[i].events and EPOLLERR) != 0 or (s.events[i].events and EPOLLHUP) != 0: evSet = evSet + {EvError}
if (s.events[i].events and EPOLLIN) != 0: evSet = evSet + {EvRead} if (s.events[i].events and EPOLLIN) != 0: evSet = evSet + {EvRead}
if (s.events[i].events and EPOLLOUT) != 0: evSet = evSet + {EvWrite} if (s.events[i].events and EPOLLOUT) != 0: evSet = evSet + {EvWrite}
let selectorKey = s.fds[fd] let selectorKey = s.fds[fd]