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trace: avoid one copy in every trace function

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While investigating https://github.com/Zygo/bees/issues/282 I noticed that
we're doing at least one unnecessary extra copy of the functor in BEESTRACE.
Get rid of it with a const reference.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
This commit is contained in:
Zygo Blaxell 2025-02-12 20:10:12 -05:00
parent 3e7eb43b51
commit ae58401d53
2 changed files with 2 additions and 2 deletions
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2
src/bees-trace.cc
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@ -49,7 +49,7 @@ BeesTracer::~BeesTracer()
} }
} }
BeesTracer::BeesTracer(function<void()> f, bool silent) : BeesTracer::BeesTracer(const function<void()> &f, bool silent) :
m_func(f) m_func(f)
{ {
m_next_tracer = tl_next_tracer; m_next_tracer = tl_next_tracer;

2
src/bees.h
View File

@ -193,7 +193,7 @@ class BeesTracer {
thread_local static bool tl_silent; thread_local static bool tl_silent;
thread_local static bool tl_first; thread_local static bool tl_first;
public: public:
BeesTracer(function<void()> f, bool silent = false); BeesTracer(const function<void()> &f, bool silent = false);
~BeesTracer(); ~BeesTracer();
static void trace_now(); static void trace_now();
static bool get_silent(); static bool get_silent();