diff options
| author | Robin Gareus <robin@gareus.org> | 2017-08-29 20:35:36 +0200 |
|---|---|---|
| committer | Robin Gareus <robin@gareus.org> | 2017-08-29 20:35:36 +0200 |
| commit | 467c801ce80b69abdb7efb4c23120532bed3fc96 (patch) | |
| tree | e0ed5e4592819392a5f37d6a8c44003dd96daf0f /libs/pbd | |
| parent | df659e91f1ad8b5d71838abc130dce8eacdf7cc1 (diff) | |
Abstract definition of rt-scheduler policy
pthread-w32 does not support pthread_setschedparam() with
SCHED_FIFO and bails out. While pthread_create() simply ignores the policy
and sets the priority regadless.
This only affects ctrl-surface event-loops & AutomationWatch on Windows.
Diffstat (limited to 'libs/pbd')
| -rw-r--r-- | libs/pbd/pbd/base_ui.h | 3 | ||||
| -rw-r--r-- | libs/pbd/pbd/pthread_utils.h | 13 |
2 files changed, 15 insertions, 1 deletions
diff --git a/libs/pbd/pbd/base_ui.h b/libs/pbd/pbd/base_ui.h index b8569718ae..4d490fea5c 100644 --- a/libs/pbd/pbd/base_ui.h +++ b/libs/pbd/pbd/base_ui.h @@ -32,6 +32,7 @@ #include "pbd/libpbd_visibility.h" #include "pbd/crossthread.h" #include "pbd/event_loop.h" +#include "pbd/pthread_utils.h" /** A BaseUI is an abstraction designed to be used with any "user * interface" (not necessarily graphical) that needs to wait on @@ -91,7 +92,7 @@ class LIBPBD_API BaseUI : public sigc::trackable, public PBD::EventLoop virtual void thread_init () {}; - int set_thread_priority (const int policy = SCHED_FIFO, int priority = 0) const; + int set_thread_priority (const int policy = PBD_SCHED_FIFO, int priority = 0) const; /** Called when there input ready on the request_channel */ diff --git a/libs/pbd/pbd/pthread_utils.h b/libs/pbd/pbd/pthread_utils.h index 2ef442caa5..a1660eb073 100644 --- a/libs/pbd/pbd/pthread_utils.h +++ b/libs/pbd/pbd/pthread_utils.h @@ -67,4 +67,17 @@ namespace PBD { LIBPBD_API extern PBD::Signal3<void,pthread_t,std::string,uint32_t> ThreadCreatedWithRequestSize; } +/* pthread-w32 does not support realtime scheduling + * (well, windows, doesn't..) and only supports SetThreadPriority() + * + * pthread_setschedparam() returns ENOTSUP if the policy is not SCHED_OTHER. + * + * however, pthread_create() with attributes, ignores the policy and + * only sets the priority (when PTHREAD_EXPLICIT_SCHED is used). + */ +#ifdef PLATFORM_WINDOWS +#define PBD_SCHED_FIFO SCHED_OTHER +#else +#define PBD_SCHED_FIFO SCHED_FIFO +#endif #endif /* __pbd_pthread_utils__ */ |