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Move RLimit and getrlimit to posix.nim and add setrlimit to easily limit FD allocation (#7564)

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aguspiza 2018-04-12 17:42:33 +02:00 • committed by Andreas Rumpf
commit 63160855aa
4 changed files with 18 additions and 18 deletions
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8
lib/pure/ioselects/ioselectors_epoll.nim
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@ -48,14 +48,6 @@ when not defined(android):
proc signalfd(fd: cint, mask: var Sigset, flags: cint): cint
{.cdecl, importc: "signalfd", header: "<sys/signalfd.h>".}
type
RLimit {.importc: "struct rlimit",
header: "<sys/resource.h>", pure, final.} = object
rlim_cur: int
rlim_max: int
proc getrlimit(resource: cint, rlp: var RLimit): cint
{.importc: "getrlimit",header: "<sys/resource.h>".}
when hasThreadSupport:
type
SelectorImpl[T] = object

10
lib/pure/ioselects/ioselectors_poll.nim
View file

@ -40,14 +40,6 @@ type
wfd: cint
SelectEvent* = ptr SelectEventImpl
type
rlimit {.importc: "struct rlimit",
header: "<sys/resource.h>", pure, final.} = object
rlim_cur: int
rlim_max: int
proc getrlimit(resource: cint, rlp: var rlimit): cint
{.importc: "getrlimit",header: "<sys/resource.h>".}
when hasThreadSupport:
template withPollLock[T](s: Selector[T], body: untyped) =
acquire(s.lock)
@ -61,7 +53,7 @@ else:
body
proc newSelector*[T](): Selector[T] =
var a = rlimit()
var a = RLimit()
if getrlimit(posix.RLIMIT_NOFILE, a) != 0:
raiseIOSelectorsError(osLastError())
var maxFD = int(a.rlim_max)