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add comment that thread id's should not be zero, issue #698

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Daan Leijen 2023-03-20 14:01:09 -07:00
parent 0b4c3da2e9
commit c92e9e7bf7
1 changed files with 3 additions and 2 deletions
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5
include/mimalloc/prim.h
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@ -104,12 +104,13 @@ void _mi_prim_thread_associate_default_heap(mi_heap_t* heap);
//------------------------------------------------------------------- //-------------------------------------------------------------------
// Thread id // Thread id: `_mi_prim_thread_id()`
// //
// Getting the thread id should be performant as it is called in the // Getting the thread id should be performant as it is called in the
// fast path of `_mi_free` and we specialize for various platforms as // fast path of `_mi_free` and we specialize for various platforms as
// inlined definitions. Regular code should call `init.c:_mi_thread_id()`. // inlined definitions. Regular code should call `init.c:_mi_thread_id()`.
// We only require _mi_prim_thread_id() to return a unique id for each thread. // We only require _mi_prim_thread_id() to return a unique id
// for each thread (unequal to zero).
//------------------------------------------------------------------- //-------------------------------------------------------------------
static inline mi_threadid_t _mi_prim_thread_id(void) mi_attr_noexcept; static inline mi_threadid_t _mi_prim_thread_id(void) mi_attr_noexcept;