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ircd::ctx: Add share counter observer to shared_mutex.

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This commit is contained in:
Jason Volk 2018-03-26 18:47:29 -07:00
parent e179915008
commit 5b91cbdca1
1 changed files with 8 additions and 0 deletions
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8
include/ircd/ctx/shared_mutex.h
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@ -25,6 +25,7 @@ class ircd::ctx::shared_mutex
void release();
public:
size_t shares() const;
size_t waiting() const;
bool try_lock();
@ -360,6 +361,13 @@ const
return q.size();
}
inline size_t
ircd::ctx::shared_mutex::shares()
const
{
return std::max(s, ssize_t(0));
}
inline void
ircd::ctx::shared_mutex::release()
{