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Stop & start the world (undocumented API) #14729

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merged 8 commits into from
Aug 7, 2024
Merged

Stop & start the world (undocumented API) #14729

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6eb8062
Add GC.stop_world and GC.start_world (undocumented API)
ysbaddaden Jun 18, 2024
0c89473
Fix: missing sigsuspend/pthread_kill + typos
ysbaddaden Jun 18, 2024
196253f
Use same suspend/resume signals has bdwgc
ysbaddaden Jun 18, 2024
c0802b9
Fix: private Thread#system_suspend and other methods
ysbaddaden Jun 18, 2024
b8c235d
Fix: typo + format
ysbaddaden Jun 18, 2024
e0bfda1
Fix: add Thread.start/stop_world + remove GC.sig_suspend/resume
ysbaddaden Jun 19, 2024
8c7da1c
fixup! Fix: add Thread.start/stop_world + remove GC.sig_suspend/resume
ysbaddaden Jun 19, 2024
88d2be3
Fix: Crystal::System.panic needs explicit Errno/WinError
ysbaddaden Jun 27, 2024
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Use same suspend/resume signals has bdwgc
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@ysbaddaden
ysbaddaden committed Jun 27, 2024
commit 196253fbfc7da02ac4aa442d74ee1466ebdc8351
16 changes: 14 additions & 2 deletions src/gc/none.cr
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Original file line number Diff line number Diff line change
Expand Up @@ -160,17 +160,29 @@ module GC

# :nodoc:
class_property(sig_suspend : Int32) do
# follows bdwgc
{% if flag?(:unix) %}
LibC::SIGUSR1
{% if flag?(:linux) %}
LibC::SIGPWR
{% elsif LibC.has_constant?(:SIGRTMIN) %}
LibC::SIGRTMIN + 6
{% else %}
LibC::SIGXFSZ
{% end %}
{% else %}
-1
{% end %}
end

# :nodoc:
class_property(sig_resume : Int32) do
# follows bdwgc
{% if flag?(:unix) %}
LibC::SIGUSR2
{% if LibC.has_constant?(:SIGRTMIN) %}
LibC::SIGRTMIN + 5
{% else %}
LibC::SIGXCPU
{% end %}
{% else %}
-1
{% end %}
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2 changes: 2 additions & 0 deletions src/lib_c/x86_64-freebsd/c/signal.cr
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Expand Up @@ -33,6 +33,8 @@ lib LibC
SIGEMT = 7
SIGINFO = 29
SIGWINCH = 28
SIGRTMIN = 65
SIGRTMIN = 126
SIGSTKSZ = 2048 + 32768 # MINSIGSTKSZ + 32768

SIG_SETMASK = 3
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