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ircd::ctx: Validate all state access in ctx::promise.

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This commit is contained in:
Jason Volk 2018-01-17 02:50:59 -08:00
parent 59e921d453
commit b93b294d7b
1 changed files with 15 additions and 4 deletions
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19
include/ircd/ctx/promise.h
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@ -113,16 +113,22 @@ inline
ircd::ctx::promise<void>::promise(const promise<void> &o)
:st{o.st}
{
++st->promise_refcnt;
assert(st->promise_refcnt > 1);
if(valid())
{
++st->promise_refcnt;
assert(st->promise_refcnt > 1);
}
}
template<class T>
ircd::ctx::promise<T>::promise(const promise<T> &o)
:st{o.st}
{
++st->promise_refcnt;
assert(st->promise_refcnt > 1);
if(valid())
{
++st->promise_refcnt;
assert(st->promise_refcnt > 1);
}
}
inline
@ -164,6 +170,7 @@ template<class T>
void
ircd::ctx::promise<T>::set_value(T&& val)
{
assert(valid());
assert(!finished());
st->val = std::move(val);
st->finished = true;
@ -173,6 +180,7 @@ ircd::ctx::promise<T>::set_value(T&& val)
inline void
ircd::ctx::promise<void>::set_value()
{
assert(valid());
assert(!finished());
st->finished = true;
st->cond.notify_all();
@ -182,6 +190,7 @@ template<class T>
void
ircd::ctx::promise<T>::set_value(const T &val)
{
assert(valid());
assert(!finished());
st->val = val;
st->finished = true;
@ -191,6 +200,7 @@ ircd::ctx::promise<T>::set_value(const T &val)
inline void
ircd::ctx::promise<void>::set_exception(std::exception_ptr eptr)
{
assert(valid());
assert(!finished());
st->eptr = std::move(eptr);
st->finished = true;
@ -201,6 +211,7 @@ template<class T>
void
ircd::ctx::promise<T>::set_exception(std::exception_ptr eptr)
{
assert(valid());
assert(!finished());
st->eptr = std::move(eptr);
st->finished = true;