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thread: add methods to get rt priority range

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This commit is contained in:
Wim Taymans 2021-07-05 11:35:27 +02:00
parent 488150fac6
commit dc5ed8f327
5 changed files with 98 additions and 47 deletions
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16
src/modules/module-rt.c
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@ -45,6 +45,8 @@
/** \page page_module_rt PipeWire Module: RT
*/
#define DEFAULT_POLICY SCHED_FIFO
#define DEFAULT_NICE_LEVEL -11
#define DEFAULT_RT_PRIO 88
#define DEFAULT_RT_TIME_SOFT 2000000
@ -178,9 +180,20 @@ static int impl_join(void *data, struct pw_thread *thread, void **retval)
return pthread_join(pt, retval);
}
static int impl_get_rt_range(void *data, const struct spa_dict *props,
int *min, int *max)
{
int policy = DEFAULT_POLICY;
if (min)
*min = sched_get_priority_min(policy);
if (max)
*max = sched_get_priority_max(policy);
return 0;
}
static int impl_acquire_rt(void *data, struct pw_thread *thread, int priority)
{
int err, policy = SCHED_FIFO;
int err, policy = DEFAULT_POLICY;
int rtprio = priority;
struct sched_param sp;
pthread_t pt = (pthread_t)thread;
@ -222,6 +235,7 @@ static const struct pw_thread_utils_methods impl_thread_utils = {
PW_VERSION_THREAD_UTILS_METHODS,
.create = impl_create,
.join = impl_join,
.get_rt_range = impl_get_rt_range,
.acquire_rt = impl_acquire_rt,
.drop_rt = impl_drop_rt,
};