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Provide an unambiguous description of the potential hazard in calling

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pthread_setspecific(3) from a key destructor.

Reviewed by: jhb
Approved by: jmallett (mentor)
MFC after: 3 days
This commit is contained in:
Patrick Kelsey 2015-05-28 16:18:41 +00:00
parent b7d130befc
commit e5315a56df
1 changed files with 4 additions and 1 deletions
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5
share/man/man3/pthread_setspecific.3
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@ -67,7 +67,10 @@ is undefined.
The
.Fn pthread_setspecific
function may be called from a thread-specific data destructor function,
however this may result in lost storage or infinite loops.
however this may result in lost storage or infinite loops if doing so
causes non-NULL key values to remain after
.Bq PTHREAD_DESTRUCTOR_ITERATIONS
iterations of destructor calls have been made.
.Sh RETURN VALUES
If successful, the
.Fn pthread_setspecific