type stringclasses 5
values | content stringlengths 9 163k |
|---|---|
functions | void
prepare_task_switch(struct rq *rq, struct task_struct *prev,
struct task_struct *next)
{
sched_info_switch(prev, next);
perf_event_task_sched_out(prev, next);
fire_sched_out_preempt_notifiers(prev, next);
prepare_lock_switch(rq, next);
prepare_arch_switch(next);
trace_sched_switch(prev, next);
} |
functions | void pre_schedule(struct rq *rq, struct task_struct *prev)
{
if (prev->sched_class->pre_schedule)
prev->sched_class->pre_schedule(rq, prev);
} |
functions | void post_schedule(struct rq *rq)
{
if (rq->post_schedule) {
unsigned long flags;
raw_spin_lock_irqsave(&rq->lock, flags);
if (rq->curr->sched_class->post_schedule)
rq->curr->sched_class->post_schedule(rq);
raw_spin_unlock_irqrestore(&rq->lock, flags);
rq->post_schedule = 0;
} |
functions | void pre_schedule(struct rq *rq, struct task_struct *p)
{
} |
functions | void post_schedule(struct rq *rq)
{
} |
functions | void
context_switch(struct rq *rq, struct task_struct *prev,
struct task_struct *next)
{
struct mm_struct *mm, *oldmm;
prepare_task_switch(rq, prev, next);
mm = next->mm;
oldmm = prev->active_mm;
/*
* For paravirt, this is coupled with an exit in switch_to to
* combine the page table reload and the s... |
functions | long nr_running(void)
{
unsigned long i, sum = 0;
for_each_online_cpu(i)
sum += cpu_rq(i)->nr_running;
return sum;
} |
functions | long nr_uninterruptible(void)
{
unsigned long i, sum = 0;
for_each_possible_cpu(i)
sum += cpu_rq(i)->nr_uninterruptible;
/*
* Since we read the counters lockless, it might be slightly
* inaccurate. Do not allow it to go below zero though:
*/
if (unlikely((long)sum < 0))
sum = 0;
return sum;
} |
functions | long nr_context_switches(void)
{
int i;
unsigned long long sum = 0;
for_each_possible_cpu(i)
sum += cpu_rq(i)->nr_switches;
return sum;
} |
functions | long nr_iowait(void)
{
unsigned long i, sum = 0;
for_each_possible_cpu(i)
sum += atomic_read(&cpu_rq(i)->nr_iowait);
return sum;
} |
functions | long nr_iowait_cpu(int cpu)
{
struct rq *this = cpu_rq(cpu);
return atomic_read(&this->nr_iowait);
} |
functions | long this_cpu_load(void)
{
struct rq *this = this_rq();
return this->cpu_load[0];
} |
functions | long avg_nr_running(void)
{
unsigned long i, sum = 0;
unsigned int seqcnt, ave_nr_running;
for_each_online_cpu(i) {
struct nr_stats_s *stats = &per_cpu(runqueue_stats, i);
struct rq *q = cpu_rq(i);
/*
* Update average to avoid reading stalled value if there were
* no run-queue changes for a long time. ... |
functions | long avg_cpu_nr_running(unsigned int cpu)
{
unsigned int seqcnt, ave_nr_running;
struct nr_stats_s *stats = &per_cpu(runqueue_stats, cpu);
struct rq *q = cpu_rq(cpu);
/*
* Update average to avoid reading stalled value if there were
* no run-queue changes for a long time. On the other hand if
* the changes a... |
functions | void get_avenrun(unsigned long *loads, unsigned long offset, int shift)
{
loads[0] = (avenrun[0] + offset) << shift;
loads[1] = (avenrun[1] + offset) << shift;
loads[2] = (avenrun[2] + offset) << shift;
} |
functions | long calc_load_fold_active(struct rq *this_rq)
{
long nr_active, delta = 0;
nr_active = this_rq->nr_running;
nr_active += (long) this_rq->nr_uninterruptible;
if (nr_active != this_rq->calc_load_active) {
delta = nr_active - this_rq->calc_load_active;
this_rq->calc_load_active = nr_active;
} |
functions | long
calc_load(unsigned long load, unsigned long exp, unsigned long active)
{
load *= exp;
load += active * (FIXED_1 - exp);
load += 1UL << (FSHIFT - 1);
return load >> FSHIFT;
} |
functions | int calc_load_write_idx(void)
{
int idx = calc_load_idx;
/*
* See calc_global_nohz(), if we observe the new index, we also
* need to observe the new update time.
*/
smp_rmb();
/*
* If the folding window started, make sure we start writing in the
* next idle-delta.
*/
if (!time_before(jiffies, calc_lo... |
functions | int calc_load_read_idx(void)
{
return calc_load_idx & 1;
} |
functions | void calc_load_enter_idle(void)
{
struct rq *this_rq = this_rq();
long delta;
/*
* We're going into NOHZ mode, if there's any pending delta, fold it
* into the pending idle delta.
*/
delta = calc_load_fold_active(this_rq);
if (delta) {
int idx = calc_load_write_idx();
atomic_long_add(delta, &calc_load_i... |
functions | void calc_load_exit_idle(void)
{
struct rq *this_rq = this_rq();
/*
* If we're still before the sample window, we're done.
*/
if (time_before(jiffies, this_rq->calc_load_update))
return;
/*
* We woke inside or after the sample window, this means we're already
* accounted through the nohz accounting, so ... |
functions | long calc_load_fold_idle(void)
{
int idx = calc_load_read_idx();
long delta = 0;
if (atomic_long_read(&calc_load_idle[idx]))
delta = atomic_long_xchg(&calc_load_idle[idx], 0);
return delta;
} |
functions | long
fixed_power_int(unsigned long x, unsigned int frac_bits, unsigned int n)
{
unsigned long result = 1UL << frac_bits;
if (n) for (;;) {
if (n & 1) {
result *= x;
result += 1UL << (frac_bits - 1);
result >>= frac_bits;
} |
functions | long
calc_load_n(unsigned long load, unsigned long exp,
unsigned long active, unsigned int n)
{
return calc_load(load, fixed_power_int(exp, FSHIFT, n), active);
} |
functions | void calc_global_nohz(void)
{
long delta, active, n;
if (!time_before(jiffies, calc_load_update + 10)) {
/*
* Catch-up, fold however many we are behind still
*/
delta = jiffies - calc_load_update - 10;
n = 1 + (delta / LOAD_FREQ);
active = atomic_long_read(&calc_load_tasks);
active = active > 0 ? ac... |
functions | long calc_load_fold_idle(void) { return 0; } |
functions | void calc_global_nohz(void) { } |
functions | void calc_global_load(unsigned long ticks)
{
long active, delta;
if (time_before(jiffies, calc_load_update + 10))
return;
/*
* Fold the 'old' idle-delta to include all NO_HZ cpus.
*/
delta = calc_load_fold_idle();
if (delta)
atomic_long_add(delta, &calc_load_tasks);
active = atomic_long_read(&calc_load... |
functions | void calc_load_account_active(struct rq *this_rq)
{
long delta;
if (time_before(jiffies, this_rq->calc_load_update))
return;
delta = calc_load_fold_active(this_rq);
if (delta)
atomic_long_add(delta, &calc_load_tasks);
this_rq->calc_load_update += LOAD_FREQ;
} |
functions | long
decay_load_missed(unsigned long load, unsigned long missed_updates, int idx)
{
int j = 0;
if (!missed_updates)
return load;
if (missed_updates >= degrade_zero_ticks[idx])
return 0;
if (idx == 1)
return load >> missed_updates;
while (missed_updates) {
if (missed_updates % 2)
load = (load * degra... |
functions | void __update_cpu_load(struct rq *this_rq, unsigned long this_load,
unsigned long pending_updates)
{
int i, scale;
this_rq->nr_load_updates++;
/* Update our load: */
this_rq->cpu_load[0] = this_load; /* Fasttrack for idx 0 */
for (i = 1, scale = 2; i < CPU_LOAD_IDX_MAX; i++, scale += scale) {
unsigned... |
functions | void update_idle_cpu_load(struct rq *this_rq)
{
unsigned long curr_jiffies = ACCESS_ONCE(jiffies);
unsigned long load = this_rq->load.weight;
unsigned long pending_updates;
/*
* bail if there's load or we're actually up-to-date.
*/
if (load || curr_jiffies == this_rq->last_load_update_tick)
return;
pendin... |
functions | void update_cpu_load_nohz(void)
{
struct rq *this_rq = this_rq();
unsigned long curr_jiffies = ACCESS_ONCE(jiffies);
unsigned long pending_updates;
if (curr_jiffies == this_rq->last_load_update_tick)
return;
raw_spin_lock(&this_rq->lock);
pending_updates = curr_jiffies - this_rq->last_load_update_tick;
if (p... |
functions | void update_cpu_load_active(struct rq *this_rq)
{
/*
* See the mess around update_idle_cpu_load() / update_cpu_load_nohz().
*/
this_rq->last_load_update_tick = jiffies;
__update_cpu_load(this_rq, this_rq->load.weight, 1);
calc_load_account_active(this_rq);
} |
functions | void sched_exec(void)
{
struct task_struct *p = current;
unsigned long flags;
int dest_cpu;
raw_spin_lock_irqsave(&p->pi_lock, flags);
dest_cpu = p->sched_class->select_task_rq(p, SD_BALANCE_EXEC, 0);
if (dest_cpu == smp_processor_id())
goto unlock;
if (likely(cpu_active(dest_cpu))) {
struct migration_arg ... |
functions | u64 do_task_delta_exec(struct task_struct *p, struct rq *rq)
{
u64 ns = 0;
if (task_current(rq, p)) {
update_rq_clock(rq);
ns = rq->clock_task - p->se.exec_start;
if ((s64)ns < 0)
ns = 0;
} |
functions | long task_delta_exec(struct task_struct *p)
{
unsigned long flags;
struct rq *rq;
u64 ns = 0;
rq = task_rq_lock(p, &flags);
ns = do_task_delta_exec(p, rq);
task_rq_unlock(rq, p, &flags);
return ns;
} |
functions | long task_sched_runtime(struct task_struct *p)
{
unsigned long flags;
struct rq *rq;
u64 ns = 0;
rq = task_rq_lock(p, &flags);
ns = p->se.sum_exec_runtime + do_task_delta_exec(p, rq);
task_rq_unlock(rq, p, &flags);
return ns;
} |
functions | void task_group_account_field(struct task_struct *p, int index,
u64 tmp)
{
#ifdef CONFIG_CGROUP_CPUACCT
struct kernel_cpustat *kcpustat;
struct cpuacct *ca;
#endif
/*
* Since all updates are sure to touch the root cgroup, we
* get ourselves ahead and touch it first. If the root cgroup
* is the only cg... |
functions | void account_user_time(struct task_struct *p, cputime_t cputime,
cputime_t cputime_scaled)
{
int index;
/* Add user time to process. */
p->utime += cputime;
p->utimescaled += cputime_scaled;
account_group_user_time(p, cputime);
index = (TASK_NICE(p) > 0) ? CPUTIME_NICE : CPUTIME_USER;
/* Add user tim... |
functions | void account_guest_time(struct task_struct *p, cputime_t cputime,
cputime_t cputime_scaled)
{
u64 *cpustat = kcpustat_this_cpu->cpustat;
/* Add guest time to process. */
p->utime += cputime;
p->utimescaled += cputime_scaled;
account_group_user_time(p, cputime);
p->gtime += cputime;
/* Add guest time ... |
functions | void __account_system_time(struct task_struct *p, cputime_t cputime,
cputime_t cputime_scaled, int index)
{
/* Add system time to process. */
p->stime += cputime;
p->stimescaled += cputime_scaled;
account_group_system_time(p, cputime);
/* Add system time to cpustat. */
task_group_account_field(p, index, (__fo... |
functions | void account_system_time(struct task_struct *p, int hardirq_offset,
cputime_t cputime, cputime_t cputime_scaled)
{
int index;
if ((p->flags & PF_VCPU) && (irq_count() - hardirq_offset == 0)) {
account_guest_time(p, cputime, cputime_scaled);
return;
} |
functions | void account_steal_time(cputime_t cputime)
{
u64 *cpustat = kcpustat_this_cpu->cpustat;
cpustat[CPUTIME_STEAL] += (__force u64) cputime;
} |
functions | void account_idle_time(cputime_t cputime)
{
u64 *cpustat = kcpustat_this_cpu->cpustat;
struct rq *rq = this_rq();
if (atomic_read(&rq->nr_iowait) > 0)
cpustat[CPUTIME_IOWAIT] += (__force u64) cputime;
else
cpustat[CPUTIME_IDLE] += (__force u64) cputime;
} |
functions | bool steal_account_process_tick(void)
{
#ifdef CONFIG_PARAVIRT
if (static_key_false(¶virt_steal_enabled)) {
u64 steal, st = 0;
steal = paravirt_steal_clock(smp_processor_id());
steal -= this_rq()->prev_steal_time;
st = steal_ticks(steal);
this_rq()->prev_steal_time += st * TICK_NSEC;
account_steal_t... |
functions | void irqtime_account_process_tick(struct task_struct *p, int user_tick,
struct rq *rq)
{
cputime_t one_jiffy_scaled = cputime_to_scaled(cputime_one_jiffy);
u64 *cpustat = kcpustat_this_cpu->cpustat;
if (steal_account_process_tick())
return;
if (irqtime_account_hi_update()) {
cpustat[CPUTIME_IRQ] += (__f... |
functions | else if (user_tick) {
account_user_time(p, cputime_one_jiffy, one_jiffy_scaled);
} |
functions | else if (p == rq->idle) {
account_idle_time(cputime_one_jiffy);
} |
functions | else if (p->flags & PF_VCPU) { /* System time or guest time */
account_guest_time(p, cputime_one_jiffy, one_jiffy_scaled);
} |
functions | void irqtime_account_idle_ticks(int ticks)
{
int i;
struct rq *rq = this_rq();
for (i = 0; i < ticks; i++)
irqtime_account_process_tick(current, 0, rq);
} |
functions | void irqtime_account_idle_ticks(int ticks) {} |
functions | void irqtime_account_process_tick(struct task_struct *p, int user_tick,
struct rq *rq) {} |
functions | void account_process_tick(struct task_struct *p, int user_tick)
{
cputime_t one_jiffy_scaled = cputime_to_scaled(cputime_one_jiffy);
struct rq *rq = this_rq();
if (sched_clock_irqtime) {
irqtime_account_process_tick(p, user_tick, rq);
return;
} |
functions | void account_steal_ticks(unsigned long ticks)
{
account_steal_time(jiffies_to_cputime(ticks));
} |
functions | void account_idle_ticks(unsigned long ticks)
{
if (sched_clock_irqtime) {
irqtime_account_idle_ticks(ticks);
return;
} |
functions | void task_times(struct task_struct *p, cputime_t *ut, cputime_t *st)
{
*ut = p->utime;
*st = p->stime;
} |
functions | void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t *st)
{
struct task_cputime cputime;
thread_group_cputime(p, &cputime);
*ut = cputime.utime;
*st = cputime.stime;
} |
functions | cputime_t scale_utime(cputime_t utime, cputime_t rtime, cputime_t total)
{
u64 temp = (__force u64) rtime;
temp *= (__force u64) utime;
if (sizeof(cputime_t) == 4)
temp = div_u64(temp, (__force u32) total);
else
temp = div64_u64(temp, (__force u64) total);
return (__force cputime_t) temp;
} |
functions | void task_times(struct task_struct *p, cputime_t *ut, cputime_t *st)
{
cputime_t rtime, utime = p->utime, total = utime + p->stime;
/*
* Use CFS's precise accounting:
*/
rtime = nsecs_to_cputime(p->se.sum_exec_runtime);
if (total)
utime = scale_utime(utime, rtime, total);
else
utime = rtime;
/*
* Com... |
functions | void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t *st)
{
struct signal_struct *sig = p->signal;
struct task_cputime cputime;
cputime_t rtime, utime, total;
thread_group_cputime(p, &cputime);
total = cputime.utime + cputime.stime;
rtime = nsecs_to_cputime(cputime.sum_exec_runtime);
if (to... |
functions | void scheduler_tick(void)
{
int cpu = smp_processor_id();
struct rq *rq = cpu_rq(cpu);
struct task_struct *curr = rq->curr;
sched_clock_tick();
raw_spin_lock(&rq->lock);
update_rq_clock(rq);
update_cpu_load_active(rq);
curr->sched_class->task_tick(rq, curr, 0);
raw_spin_unlock(&rq->lock);
perf_event_task_t... |
functions | long get_parent_ip(unsigned long addr)
{
if (in_lock_functions(addr)) {
addr = CALLER_ADDR2;
if (in_lock_functions(addr))
addr = CALLER_ADDR3;
} |
functions | __kprobes add_preempt_count(int val)
{
#ifdef CONFIG_DEBUG_PREEMPT
/*
* Underflow?
*/
if (DEBUG_LOCKS_WARN_ON((preempt_count() < 0)))
return;
#endif
preempt_count() += val;
#ifdef CONFIG_DEBUG_PREEMPT
/*
* Spinlock count overflowing soon?
*/
DEBUG_LOCKS_WARN_ON((preempt_count() & PREEMPT_MASK) >=
PRE... |
functions | __kprobes sub_preempt_count(int val)
{
#ifdef CONFIG_DEBUG_PREEMPT
/*
* Underflow?
*/
if (DEBUG_LOCKS_WARN_ON(val > preempt_count()))
return;
/*
* Is the spinlock portion underflowing?
*/
if (DEBUG_LOCKS_WARN_ON((val < PREEMPT_MASK) &&
!(preempt_count() & PREEMPT_MASK)))
return;
#endif
if (preempt_... |
functions | void __schedule_bug(struct task_struct *prev)
{
if (oops_in_progress)
return;
printk(KERN_ERR "BUG: scheduling while atomic: %s/%d/0x%08x\n",
prev->comm, prev->pid, preempt_count());
debug_show_held_locks(prev);
print_modules();
if (irqs_disabled())
print_irqtrace_events(prev);
dump_stack();
} |
functions | void schedule_debug(struct task_struct *prev)
{
/*
* Test if we are atomic. Since do_exit() needs to call into
* schedule() atomically, we ignore that path for now.
* Otherwise, whine if we are scheduling when we should not be.
*/
if (unlikely(in_atomic_preempt_off() && !prev->exit_state))
__schedule_bug(pr... |
functions | void put_prev_task(struct rq *rq, struct task_struct *prev)
{
if (prev->on_rq || rq->skip_clock_update < 0)
update_rq_clock(rq);
prev->sched_class->put_prev_task(rq, prev);
} |
functions | __sched __schedule(void)
{
struct task_struct *prev, *next;
unsigned long *switch_count;
struct rq *rq;
int cpu;
need_resched:
preempt_disable();
cpu = smp_processor_id();
rq = cpu_rq(cpu);
rcu_note_context_switch(cpu);
prev = rq->curr;
schedule_debug(prev);
if (sched_feat(HRTICK))
hrtick_clear(rq);
r... |
functions | void sched_submit_work(struct task_struct *tsk)
{
if (!tsk->state || tsk_is_pi_blocked(tsk))
return;
/*
* If we are going to sleep and we have plugged IO queued,
* make sure to submit it to avoid deadlocks.
*/
if (blk_needs_flush_plug(tsk))
blk_schedule_flush_plug(tsk);
} |
functions | __sched schedule(void)
{
struct task_struct *tsk = current;
sched_submit_work(tsk);
__schedule();
} |
functions | __sched schedule_preempt_disabled(void)
{
sched_preempt_enable_no_resched();
schedule();
preempt_disable();
} |
functions | bool owner_running(struct mutex *lock, struct task_struct *owner)
{
if (lock->owner != owner)
return false;
/*
* Ensure we emit the owner->on_cpu, dereference _after_ checking
* lock->owner still matches owner, if that fails, owner might
* point to free()d memory, if it still matches, the rcu_read_lock()
*... |
functions | int mutex_spin_on_owner(struct mutex *lock, struct task_struct *owner)
{
if (!sched_feat(OWNER_SPIN))
return 0;
rcu_read_lock();
while (owner_running(lock, owner)) {
if (need_resched())
break;
arch_mutex_cpu_relax();
} |
functions | notrace preempt_schedule(void)
{
struct thread_info *ti = current_thread_info();
/*
* If there is a non-zero preempt_count or interrupts are disabled,
* we do not want to preempt the current task. Just return..
*/
if (likely(ti->preempt_count || irqs_disabled()))
return;
do {
add_preempt_count_notrace(P... |
functions | __sched preempt_schedule_irq(void)
{
struct thread_info *ti = current_thread_info();
/* Catch callers which need to be fixed */
BUG_ON(ti->preempt_count || !irqs_disabled());
do {
add_preempt_count(PREEMPT_ACTIVE);
local_irq_enable();
__schedule();
local_irq_disable();
sub_preempt_count(PREEMPT_ACTIVE);... |
functions | int default_wake_function(wait_queue_t *curr, unsigned mode, int wake_flags,
void *key)
{
return try_to_wake_up(curr->private, mode, wake_flags);
} |
functions | void __wake_up_common(wait_queue_head_t *q, unsigned int mode,
int nr_exclusive, int wake_flags, void *key)
{
wait_queue_t *curr, *next;
list_for_each_entry_safe(curr, next, &q->task_list, task_list) {
unsigned flags = curr->flags;
if (curr->func(curr, mode, wake_flags, key) &&
(flags & WQ_FLAG_EXCLUSIVE... |
functions | void __wake_up(wait_queue_head_t *q, unsigned int mode,
int nr_exclusive, void *key)
{
unsigned long flags;
spin_lock_irqsave(&q->lock, flags);
__wake_up_common(q, mode, nr_exclusive, 0, key);
spin_unlock_irqrestore(&q->lock, flags);
} |
functions | void __wake_up_locked(wait_queue_head_t *q, unsigned int mode, int nr)
{
__wake_up_common(q, mode, nr, 0, NULL);
} |
functions | void __wake_up_locked_key(wait_queue_head_t *q, unsigned int mode, void *key)
{
__wake_up_common(q, mode, 1, 0, key);
} |
functions | void __wake_up_sync_key(wait_queue_head_t *q, unsigned int mode,
int nr_exclusive, void *key)
{
unsigned long flags;
int wake_flags = WF_SYNC;
if (unlikely(!q))
return;
if (unlikely(!nr_exclusive))
wake_flags = 0;
spin_lock_irqsave(&q->lock, flags);
__wake_up_common(q, mode, nr_exclusive, wake_flags, ke... |
functions | void __wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr_exclusive)
{
__wake_up_sync_key(q, mode, nr_exclusive, NULL);
} |
functions | void complete(struct completion *x)
{
unsigned long flags;
spin_lock_irqsave(&x->wait.lock, flags);
x->done++;
__wake_up_common(&x->wait, TASK_NORMAL, 1, 0, NULL);
spin_unlock_irqrestore(&x->wait.lock, flags);
} |
functions | void complete_all(struct completion *x)
{
unsigned long flags;
spin_lock_irqsave(&x->wait.lock, flags);
x->done += UINT_MAX/2;
__wake_up_common(&x->wait, TASK_NORMAL, 0, 0, NULL);
spin_unlock_irqrestore(&x->wait.lock, flags);
} |
functions | __sched
do_wait_for_common(struct completion *x, long timeout, int state, int iowait)
{
if (!x->done) {
DECLARE_WAITQUEUE(wait, current);
__add_wait_queue_tail_exclusive(&x->wait, &wait);
do {
if (signal_pending_state(state, current)) {
timeout = -ERESTARTSYS;
break;
} |
functions | __sched
wait_for_common(struct completion *x, long timeout, int state, int iowait)
{
might_sleep();
spin_lock_irq(&x->wait.lock);
timeout = do_wait_for_common(x, timeout, state, iowait);
spin_unlock_irq(&x->wait.lock);
return timeout;
} |
functions | __sched wait_for_completion(struct completion *x)
{
wait_for_common(x, MAX_SCHEDULE_TIMEOUT, TASK_UNINTERRUPTIBLE, 0);
} |
functions | __sched wait_for_completion_io(struct completion *x)
{
wait_for_common(x, MAX_SCHEDULE_TIMEOUT, TASK_UNINTERRUPTIBLE, 1);
} |
functions | __sched
wait_for_completion_timeout(struct completion *x, unsigned long timeout)
{
return wait_for_common(x, timeout, TASK_UNINTERRUPTIBLE, 0);
} |
functions | __sched wait_for_completion_interruptible(struct completion *x)
{
long t = wait_for_common(x, MAX_SCHEDULE_TIMEOUT,
TASK_INTERRUPTIBLE, 0);
if (t == -ERESTARTSYS)
return t;
return 0;
} |
functions | __sched
wait_for_completion_interruptible_timeout(struct completion *x,
unsigned long timeout)
{
return wait_for_common(x, timeout, TASK_INTERRUPTIBLE, 0);
} |
functions | __sched wait_for_completion_killable(struct completion *x)
{
long t = wait_for_common(x, MAX_SCHEDULE_TIMEOUT, TASK_KILLABLE, 0);
if (t == -ERESTARTSYS)
return t;
return 0;
} |
functions | __sched
wait_for_completion_killable_timeout(struct completion *x,
unsigned long timeout)
{
return wait_for_common(x, timeout, TASK_KILLABLE, 0);
} |
functions | bool try_wait_for_completion(struct completion *x)
{
unsigned long flags;
int ret = 1;
spin_lock_irqsave(&x->wait.lock, flags);
if (!x->done)
ret = 0;
else
x->done--;
spin_unlock_irqrestore(&x->wait.lock, flags);
return ret;
} |
functions | bool completion_done(struct completion *x)
{
unsigned long flags;
int ret = 1;
spin_lock_irqsave(&x->wait.lock, flags);
if (!x->done)
ret = 0;
spin_unlock_irqrestore(&x->wait.lock, flags);
return ret;
} |
functions | __sched
sleep_on_common(wait_queue_head_t *q, int state, long timeout)
{
unsigned long flags;
wait_queue_t wait;
init_waitqueue_entry(&wait, current);
__set_current_state(state);
spin_lock_irqsave(&q->lock, flags);
__add_wait_queue(q, &wait);
spin_unlock(&q->lock);
timeout = schedule_timeout(timeout);
spin_... |
functions | __sched interruptible_sleep_on(wait_queue_head_t *q)
{
sleep_on_common(q, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT);
} |
functions | __sched
interruptible_sleep_on_timeout(wait_queue_head_t *q, long timeout)
{
return sleep_on_common(q, TASK_INTERRUPTIBLE, timeout);
} |
functions | __sched sleep_on(wait_queue_head_t *q)
{
sleep_on_common(q, TASK_UNINTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT);
} |
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