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Merge pull request #9059 from Vindaar/onSignalMod

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fix `posix.onSignal` example, inject current signal as `s`
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Andreas Rumpf 2018-09-25 11:59:46 +02:00 • committed by GitHub
commit b0deb55814
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1 changed files with 12 additions and 5 deletions
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17
lib/posix/posix.nim
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@ -985,14 +985,21 @@ proc utimes*(path: cstring, times: ptr array[2, Timeval]): int {.
proc handle_signal(sig: cint, handler: proc (a: cint) {.noconv.}) {.importc: "signal", header: "<signal.h>".} proc handle_signal(sig: cint, handler: proc (a: cint) {.noconv.}) {.importc: "signal", header: "<signal.h>".}
template onSignal*(signals: varargs[cint], body: untyped) = template onSignal*(signals: varargs[cint], body: untyped) =
## Setup code to be executed when Unix signals are received. Example: ## Setup code to be executed when Unix signals are received. The
## from posix import SIGINT, SIGTERM ## currently handled signal is injected as ``sig`` into the calling
## onSignal(SIGINT, SIGTERM): ## scope.
## echo "bye" ##
## Example:
##
## .. code-block::
## from posix import SIGINT, SIGTERM
## onSignal(SIGINT, SIGTERM):
## echo "bye from signal ", sig
for s in signals: for s in signals:
handle_signal(s, handle_signal(s,
proc (sig: cint) {.noconv.} = proc (signal: cint) {.noconv.} =
let sig {.inject.} = signal
body body
) )