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authorJeremy Evans <[email protected]>2021-12-27 12:52:04 -0800
committerJeremy Evans <[email protected]>2022-03-29 18:14:33 -0700
commit9c1d32a7ada794ecd0356d56f7be3cdf3982d8ac ()
tree5b7cbe2b28d0c627b19d32108241bfa013670852 /trace_point.rb
parent6d3f447aecfb56f7d3edbdf9cc68e748e150d7d8 (diff)
Make TracePoint#enable with block target current thread by default
If TracePoint#enable is passed a block, it previously started the trace on all threads. This changes it to trace only the current thread by default. To limit the scope of the change, the current thread is only used by default if target and target_line are both nil. You can pass target_thread: nil to enable tracing on all threads, to get the previous default behavior. Fixes [Bug #16889]
Notes: Merged: https://.com/ruby/ruby/pull/5359
-rw-r--r--trace_point.rb9
1 files changed, 5 insertions, 4 deletions
@@ -153,7 +153,7 @@ class TracePoint
# call-seq:
# trace.enable(target: nil, target_line: nil, target_thread: nil) -> true or false
- # trace.enable(target: nil, target_line: nil, target_thread: nil) { block } -> obj
#
# Activates the trace.
#
@@ -168,14 +168,15 @@ class TracePoint
# # trace is still enabled
#
# If a block is given, the trace will only be enabled within the scope of the
- # block.
#
# trace.enabled?
# #=> false
#
# trace.enable do
# trace.enabled?
- # # only enabled for this block
# end
#
# trace.enabled?
@@ -208,7 +209,7 @@ class TracePoint
# trace.enable { p tp.lineno }
# #=> RuntimeError: access from outside
#
- def enable(target: nil, target_line: nil, target_thread: nil)
Primitive.tracepoint_enable_m(target, target_line, target_thread)
end