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Changed the spec for mutex::unlock() to say that it is illegal for a thread to

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unlock a dlib::mutex it doesn't own.  This is technically a non-backwards
compatible change to the API but it has always been implemented in a way that
didn't allow this kind of double unlock() on non-Windows platforms.
Additionally, the recent change to the dlib::mutex implementation on windows
also no longer allows this kind of double unlock.
This commit is contained in:
Davis King 2012-12-28 19:14:31 -05:00
parent 213b0ff14b
commit 68e88433fc
1 changed files with 3 additions and 4 deletions
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7
dlib/threads/threads_kernel_abstract.h
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@ -175,11 +175,10 @@ namespace dlib
void unlock (
) const;
/*!
requires
- the thread calling unlock() already has a lock on *this
ensures
- if (*this is currently locked and owned by the thread calling unlock) then
- #*this is unlocked (i.e. other threads may now lock this object)
- else
- the call to unlock() has no effect
- #*this is unlocked (i.e. other threads may now lock this object)
!*/