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Merge pull request #9059 from Vindaar/onSignalMod

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fix `posix.onSignal` example, inject current signal as `s`
This commit is contained in:
Andreas Rumpf
2018-09-25 11:59:46 +02:00
committed by GitHub
parent 548fc778c9 621ef18478
commit b0deb55814
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>".}
template onSignal*(signals: varargs[cint], body: untyped) =
## Setup code to be executed when Unix signals are received. Example:
## from posix import SIGINT, SIGTERM
## onSignal(SIGINT, SIGTERM):
## echo "bye"
## Setup code to be executed when Unix signals are received. The
## currently handled signal is injected as ``sig`` into the calling
## scope.
##
## Example:
##
## .. code-block::
## from posix import SIGINT, SIGTERM
## onSignal(SIGINT, SIGTERM):
## echo "bye from signal ", sig
for s in signals:
handle_signal(s,
proc (sig: cint) {.noconv.} =
proc (signal: cint) {.noconv.} =
let sig {.inject.} = signal
body
)