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Re: Jemalloc under CYGWIN


On Wed, Oct 21, 2015 at 10:15 PM, Corinna Vinschen
<corinna-cygwin@cygwin.com> wrote:
> On Oct 21 21:49, Yucong Sun wrote:
>> > What exactly is the malloc problem you're seeing?
>>
>> The specific problem I'm having is that jemalloc's malloc_init() calls
>> needs to use pthread_mutex_init()  or even pthread_mutex with a
>> initializer.   Both in-turn uses malloc, triggering this issue.
>>
>> A quick fix would be somehow make pthread always use system
>> malloc/free, which shouldn't be that bad.
>
> What about using a native critical section instead?  It shouldn't be too
> tricky to conditionalize this in jemalloc.

Possibly, jemalloc already have support of this.  However I wasn't so
sure that this was possible before,

see https://github.com/jemalloc/jemalloc/blob/dev/include/jemalloc/internal/mutex.h#L80


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