diff options
Diffstat (limited to 'pd/src/m_sched.c')
| -rw-r--r-- | pd/src/m_sched.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/pd/src/m_sched.c b/pd/src/m_sched.c index b0854984..10c03473 100644 --- a/pd/src/m_sched.c +++ b/pd/src/m_sched.c @@ -382,6 +382,11 @@ the audio I/O system is still busy with previous transfers. void sys_pollmidiqueue( void); void sys_initmidiqueue( void); + /* sys_idlehook is a hook the user can fill in to grab idle time. Return +nonzero if you actually used the time; otherwise we're really really idle and +will now sleep. */ +int (*sys_idlehook)(void); + int m_scheduler( void) { int idlecount = 0; @@ -468,8 +473,13 @@ int m_scheduler( void) /* T.Grill - enter idle phase -> unlock thread lock */ sys_unlock(); #endif - if (timeforward != SENDDACS_SLEPT) - sys_microsleep(sys_sleepgrain); + /* call externally installed idle function if any. */ + if (!sys_idlehook || !sys_idlehook()) + { + /* if even that had nothing to do, sleep. */ + if (timeforward != SENDDACS_SLEPT) + sys_microsleep(sys_sleepgrain); + } #ifdef THREAD_LOCKING /* T.Grill - leave idle phase -> lock thread lock */ sys_lock(); |