-
Notifications
You must be signed in to change notification settings - Fork 245
/
thread.rb
47 lines (40 loc) · 1.2 KB
/
thread.rb
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
# frozen_string_literal: true
require 'thread'
require_relative 'logger'
module Listen
module Thread
class << self
# Creates a new thread with the given name.
# Any exceptions raised by the thread will be logged with the thread name and complete backtrace.
def new(name)
thread_name = "listen-#{name}"
caller_stack = caller
::Thread.new do
begin
yield
rescue Exception => ex
_log_exception(ex, thread_name, caller_stack)
nil
end
end.tap do |thread|
thread.name = thread_name
end
end
private
def _log_exception(ex, thread_name, caller_stack)
complete_backtrace = [*ex.backtrace, "--- Thread.new ---", *caller_stack]
message = "Exception rescued in #{thread_name}:\n#{_exception_with_causes(ex)}\n#{complete_backtrace * "\n"}"
Listen.logger.error(message)
end
def _exception_with_causes(ex)
result = +"#{ex.class}: #{ex}"
if ex.cause
result << "\n"
result << "--- Caused by: ---\n"
result << _exception_with_causes(ex.cause)
end
result
end
end
end
end