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Code Issues Releases Wiki Activity

ircd::ctx: Add this non-standard finished() observer for now.

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This commit is contained in:
Jason Volk 2018-01-16 22:43:33 -08:00
parent b9fe5c69ad
commit 8366c735b4
1 changed files with 7 additions and 0 deletions
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7
include/ircd/ctx/promise.h
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@ -45,6 +45,7 @@ class ircd::ctx::promise
using reference_type = typename shared_state<T>::reference_type;
bool valid() const { return bool(st); }
bool finished() const { return !valid() || st->finished; }
bool operator!() const { return !valid(); }
operator bool() const { return valid(); }
@ -73,6 +74,7 @@ class ircd::ctx::promise<void>
using value_type = typename shared_state<void>::value_type;
bool valid() const { return bool(st); }
bool finished() const { return !valid() || st->finished; }
bool operator!() const { return !valid(); }
operator bool() const { return valid(); }
@ -162,6 +164,7 @@ template<class T>
void
ircd::ctx::promise<T>::set_value(T&& val)
{
assert(!finished());
st->val = std::move(val);
st->finished = true;
st->cond.notify_all();
@ -170,6 +173,7 @@ ircd::ctx::promise<T>::set_value(T&& val)
inline void
ircd::ctx::promise<void>::set_value()
{
assert(!finished());
st->finished = true;
st->cond.notify_all();
}
@ -178,6 +182,7 @@ template<class T>
void
ircd::ctx::promise<T>::set_value(const T &val)
{
assert(!finished());
st->val = val;
st->finished = true;
st->cond.notify_all();
@ -186,6 +191,7 @@ ircd::ctx::promise<T>::set_value(const T &val)
inline void
ircd::ctx::promise<void>::set_exception(std::exception_ptr eptr)
{
assert(!finished());
st->eptr = std::move(eptr);
st->finished = true;
st->cond.notify_all();
@ -195,6 +201,7 @@ template<class T>
void
ircd::ctx::promise<T>::set_exception(std::exception_ptr eptr)
{
assert(!finished());
st->eptr = std::move(eptr);
st->finished = true;
st->cond.notify_all();