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base repository: crystal-lang/crystal
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head repository: crystal-lang/crystal
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compare: 944c0837ccc3
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  • 2 commits
  • 1 file changed
  • 2 contributors

Commits on Jul 9, 2017

  1. fiber: visual fixes while reading

    @bew
    bew committed Jul 9, 2017
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    9d9ed00 View commit details

Commits on Jul 13, 2017

  1. Merge pull request #4693 from bew/fiber-little-fixes-while-reading 

    fiber: visual code fixes
    @RX14
    RX14 authored Jul 13, 2017
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    944c083 View commit details
Showing with 3 additions and 2 deletions.
  1. +3 −2 src/fiber.cr
5 changes: 3 additions & 2 deletions src/fiber.cr
View file
Original file line number Diff line number Diff line change
@@ -28,7 +28,7 @@ class Fiber
@stack_bottom = @stack + STACK_SIZE
fiber_main = ->(f : Fiber) { f.run }

stack_ptr = @stack + STACK_SIZE - sizeof(Void*)
stack_ptr = @stack_bottom - sizeof(Void*)

# Align the stack pointer to 16 bytes
stack_ptr = Pointer(Void*).new(stack_ptr.address & ~0x0f_u64)
@@ -93,7 +93,8 @@ class Fiber
@@stack_pool.pop? || LibC.mmap(nil, Fiber::STACK_SIZE,
LibC::PROT_READ | LibC::PROT_WRITE,
LibC::MAP_PRIVATE | LibC::MAP_ANON,
-1, 0).tap do |pointer|
-1, 0
).tap do |pointer|
raise Errno.new("Cannot allocate new fiber stack") if pointer == LibC::MAP_FAILED
{% if flag?(:linux) %}
LibC.madvise(pointer, Fiber::STACK_SIZE, LibC::MADV_NOHUGEPAGE)