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ruby-timeout-interrupt
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Actiual versions of ffi-libc provide FFI::LibC::alarm. ffi-libc<0.1.1 has a bug with sys_errlist, so 0.1.1 required.

master v0.4.0
Denis Knauf 2021-12-12 16:09:49 +01:00
parent f27600ce16
commit 9fc25c3015
2 changed files with 1 additions and 18 deletions
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17
lib/timeout_interrupt.rb
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@ -1,23 +1,6 @@
require 'ffi/libc'
require 'timeout'
# Provided by ffi-libc-lib and extended by this library, if needed.
# Older version of ffi-libc does not provide {FFI::LibC.alarm}
module FFI
module LibC
# @!method alarm(seconds)
# Sets an alarm. After `seconds` it will send an ALRM-signal to this process.
#
# Predefined alarm will be reset and will forget.
# @note Older implementations of ffi-libc does not provide {alarm}, but we need it.
# So we detect, if it is not provided and attach it.
# @param seconds [0] Clears alarm.
# @param seconds [Integer] How many seconds should be waited, before ALRM-signal should be send?
# @return (nil)
attach_function :alarm, [:uint], :uint unless FFI::LibC.respond_to? :alarm
end
end
# Helper module for `TimeoutInterrupt`
# @see TimeoutInterrupt
module TimeoutInterruptSingleton

2
timeout-interrupt.gemspec
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@ -26,5 +26,5 @@ Gem::Specification.new do |spec|
spec.require_paths = ["lib"]
spec.require_paths = ["lib"]
spec.add_runtime_dependency %q<ffi-libc>
spec.add_runtime_dependency %q<ffi-libc>, '>= 0.1.1'
end