Yu Qing created TS-2254:
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Summary: ink_atomic_increment should return the old value
Key: TS-2254
URL: https://issues.apache.org/jira/browse/TS-2254
Project: Traffic Server
Issue Type: Bug
Components: Core
Reporter: Yu Qing
lib/ts/ink_atomic.h
197 template<>
198 inline int64_t
199 ink_atomic_increment<int64_t>(pvint64 mem, int64_t value) {
200 int64_t curr;
201 ink_mutex_acquire(&__global_death);
202 curr = *mem;
203 *mem = curr + value;
204 ink_mutex_release(&__global_death);
205 return curr + value; //SHOULD return curr!
206 }
this function should return the old value (curr, NOT curr + value). it should
return same value as gcc inline function __sync_fetch_and_add.
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