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link/unlink of context protected by spinlock

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This commit is contained in:
Oliver Kowalke
2015-09-28 19:58:22 +02:00
parent eb7c4249d5
commit a847baa932
8 changed files with 92 additions and 20 deletions
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30
src/context.cpp
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@@ -58,6 +58,7 @@ context::context( main_context_t) :
flags_( flag_main_context),
scheduler_( nullptr),
ctx_( boost::context::execution_context::current() ),
hook_splk_(),
worker_hook_(),
terminated_hook_(),
ready_hook_(),
@@ -83,6 +84,7 @@ context::context( dispatcher_context_t, boost::context::preallocated const& pall
// dispatcher context should never return from scheduler::dispatch()
BOOST_ASSERT_MSG( false, "disatcher fiber already terminated");
}),
hook_splk_(),
worker_hook_(),
terminated_hook_(),
ready_hook_(),
@@ -167,7 +169,7 @@ context::join() {
// push active context to wait-queue, member
// of the context which has to be joined by
// the active context
wait_queue_.push_back( * active_ctx);
active_ctx->wait_link( wait_queue_);
lk.unlock();
// suspend active context
scheduler_->re_schedule( active_ctx);
@@ -278,41 +280,67 @@ context::set_fss_data( void const * vp,
bool
context::worker_is_linked() {
std::unique_lock< detail::spinlock > lk( hook_splk_);
return worker_hook_.is_linked();
}
bool
context::terminated_is_linked() {
std::unique_lock< detail::spinlock > lk( hook_splk_);
return terminated_hook_.is_linked();
}
bool
context::ready_is_linked() {
std::unique_lock< detail::spinlock > lk( hook_splk_);
return ready_hook_.is_linked();
}
bool
context::remote_ready_is_linked() {
std::unique_lock< detail::spinlock > lk( hook_splk_);
return remote_ready_hook_.is_linked();
}
bool
context::sleep_is_linked() {
std::unique_lock< detail::spinlock > lk( hook_splk_);
return sleep_hook_.is_linked();
}
bool
context::wait_is_linked() {
std::unique_lock< detail::spinlock > lk( hook_splk_);
return wait_hook_.is_linked();
}
void
context::worker_unlink() {
std::unique_lock< detail::spinlock > lk( hook_splk_);
worker_hook_.unlink();
}
void
context::ready_unlink() {
std::unique_lock< detail::spinlock > lk( hook_splk_);
ready_hook_.unlink();
}
void
context::remote_ready_unlink() {
std::unique_lock< detail::spinlock > lk( hook_splk_);
remote_ready_hook_.unlink();
}
void
context::sleep_unlink() {
std::unique_lock< detail::spinlock > lk( hook_splk_);
sleep_hook_.unlink();
}
void
context::wait_unlink() {
std::unique_lock< detail::spinlock > lk( hook_splk_);
wait_hook_.unlink();
}