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authorKouhei Yanagita <yanagi@shakenbu.org>2023-11-22 18:12:23 +0900
committerAaron Patterson <aaron.patterson@gmail.com>2023-12-12 09:36:37 -0800
commit06e2fbb8260022de8532d2e940fc69e8ea413679 (patch)
treed65696ce0fa324f2d00b77cebd532accea61fe4c /vm_trace.c
parent1f22245ed5004ef097e192aec157b34409214a2a (diff)
[Bug #19114] Fix for multiple calls of TracePoint#enable
Diffstat (limited to 'vm_trace.c')
-rw-r--r--vm_trace.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/vm_trace.c b/vm_trace.c
index 4b97288f23..6969c8d3ce 100644
--- a/vm_trace.c
+++ b/vm_trace.c
@@ -1197,6 +1197,10 @@ rb_tracepoint_enable(VALUE tpval)
rb_raise(rb_eArgError, "can't nest-enable a targeting TracePoint");
}
+ if (tp->tracing) {
+ return Qundef;
+ }
+
if (tp->target_th) {
rb_thread_add_event_hook2(tp->target_th->self, (rb_event_hook_func_t)tp_call_trace, tp->events, tpval,
RUBY_EVENT_HOOK_FLAG_SAFE | RUBY_EVENT_HOOK_FLAG_RAW_ARG);