diff options
Diffstat (limited to 'freebsd/sys/kern/kern_synch.c')
| -rw-r--r-- | freebsd/sys/kern/kern_synch.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/freebsd/sys/kern/kern_synch.c b/freebsd/sys/kern/kern_synch.c index 6ee12097..21083a9a 100644 --- a/freebsd/sys/kern/kern_synch.c +++ b/freebsd/sys/kern/kern_synch.c @@ -82,13 +82,16 @@ __FBSDID("$FreeBSD$"); ((td)->td_inhibitors & TDI_LOCK) != 0 ? "blocked" : \ ((td)->td_inhibitors & TDI_IWAIT) != 0 ? "iwait" : "yielding") +#ifndef __rtems__ static void synch_setup(void *dummy); SYSINIT(synch_setup, SI_SUB_KICK_SCHEDULER, SI_ORDER_FIRST, synch_setup, NULL); int hogticks; +#endif /* __rtems__ */ static int pause_wchan; +#ifndef __rtems__ static struct callout loadav_callout; struct loadavg averunnable = @@ -122,12 +125,15 @@ SDT_PROBE_DEFINE(sched, , , cpucaps__wakeup); SDT_PROBE_DEFINE(sched, , , schedctl__nopreempt); SDT_PROBE_DEFINE(sched, , , schedctl__preempt); SDT_PROBE_DEFINE(sched, , , schedctl__yield); +#endif /* __rtems__ */ void sleepinit(void) { +#ifndef __rtems__ hogticks = (hz / 10) * 2; /* Default only. */ +#endif /* __rtems__ */ init_sleepqueues(); } @@ -151,13 +157,21 @@ _sleep(void *ident, struct lock_object *lock, int priority, const char *wmesg, int timo) { struct thread *td; +#ifndef __rtems__ struct proc *p; +#endif /* __rtems__ */ struct lock_class *class; +#ifndef __rtems__ int catch, flags, lock_state, pri, rval; +#else /* __rtems__ */ + int flags, lock_state, pri, rval; +#endif /* __rtems__ */ WITNESS_SAVE_DECL(lock_witness); td = curthread; +#ifndef __rtems__ p = td->td_proc; +#endif /* __rtems__ */ #ifdef KTRACE if (KTRPOINT(td, KTR_CSW)) ktrcsw(1, 0, wmesg); @@ -168,14 +182,17 @@ _sleep(void *ident, struct lock_object *lock, int priority, ("sleeping without a lock")); KASSERT(p != NULL, ("msleep1")); KASSERT(ident != NULL && TD_IS_RUNNING(td), ("msleep")); +#ifndef __rtems__ if (priority & PDROP) KASSERT(lock != NULL && lock != &Giant.lock_object, ("PDROP requires a non-Giant lock")); +#endif /* __rtems__ */ if (lock != NULL) class = LOCK_CLASS(lock); else class = NULL; +#ifndef __rtems__ if (cold || SCHEDULER_STOPPED()) { /* * During autoconfiguration, just return; @@ -191,6 +208,9 @@ _sleep(void *ident, struct lock_object *lock, int priority, } catch = priority & PCATCH; pri = priority & PRIMASK; +#else /* __rtems__ */ + pri = priority; +#endif /* __rtems__ */ /* * If we are already on a sleep queue, then remove us from that @@ -204,10 +224,12 @@ _sleep(void *ident, struct lock_object *lock, int priority, flags = SLEEPQ_PAUSE; else flags = SLEEPQ_SLEEP; +#ifndef __rtems__ if (catch) flags |= SLEEPQ_INTERRUPTIBLE; if (priority & PBDRY) flags |= SLEEPQ_STOP_ON_BDRY; +#endif /* __rtems__ */ sleepq_lock(ident); CTR5(KTR_PROC, "sleep: thread %ld (pid %ld, %s) on %s (%p)", @@ -242,12 +264,18 @@ _sleep(void *ident, struct lock_object *lock, int priority, lock_state = class->lc_unlock(lock); sleepq_lock(ident); } +#ifndef __rtems__ if (timo && catch) rval = sleepq_timedwait_sig(ident, pri); else if (timo) +#else /* __rtems__ */ + if (timo) +#endif /* __rtems__ */ rval = sleepq_timedwait(ident, pri); +#ifndef __rtems__ else if (catch) rval = sleepq_wait_sig(ident, pri); +#endif /* __rtems__ */ else { sleepq_wait(ident, pri); rval = 0; @@ -264,6 +292,7 @@ _sleep(void *ident, struct lock_object *lock, int priority, return (rval); } +#ifndef __rtems__ int msleep_spin(void *ident, struct mtx *mtx, const char *wmesg, int timo) { @@ -341,6 +370,7 @@ msleep_spin(void *ident, struct mtx *mtx, const char *wmesg, int timo) WITNESS_RESTORE(&mtx->lock_object, mtx); return (rval); } +#endif /* __rtems__ */ /* * pause() delays the calling thread by the given number of system ticks. @@ -409,6 +439,7 @@ wakeup_one(void *ident) kick_proc0(); } +#ifndef __rtems__ static void kdb_switch(void) { @@ -623,3 +654,4 @@ sys_yield(struct thread *td, struct yield_args *uap) td->td_retval[0] = 0; return (0); } +#endif /* __rtems__ */ |