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spa: move thread to SPA support

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It can be more generally useful eventually.
This commit is contained in:
Wim Taymans 2021-07-06 15:48:20 +02:00
parent 3a879e8b1a
commit 1ff535e6eb
9 changed files with 184 additions and 124 deletions
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24
src/modules/module-rt.c
View file

@ -72,7 +72,7 @@ static const struct spa_dict_item module_props[] = {
struct impl {
struct pw_context *context;
struct pw_thread_utils thread_utils;
struct spa_thread_utils thread_utils;
int rt_prio;
rlim_t rt_time_soft;
@ -84,7 +84,7 @@ struct impl {
static void module_destroy(void *data)
{
struct impl *impl = data;
pw_thread_utils_set_impl(NULL);
pw_thread_utils_set(NULL);
spa_hook_remove(&impl->module_listener);
free(impl);
}
@ -161,7 +161,7 @@ static int get_default_int(struct pw_properties *properties, const char *name, i
return val;
}
static struct pw_thread *impl_create(void *data,
static struct spa_thread *impl_create(void *data,
const struct spa_dict *props,
void *(*start)(void*), void *arg)
{
@ -171,10 +171,10 @@ static struct pw_thread *impl_create(void *data,
errno = err;
return NULL;
}
return (struct pw_thread*)pt;
return (struct spa_thread*)pt;
}
static int impl_join(void *data, struct pw_thread *thread, void **retval)
static int impl_join(void *data, struct spa_thread *thread, void **retval)
{
pthread_t pt = (pthread_t)thread;
return pthread_join(pt, retval);
@ -191,7 +191,7 @@ static int impl_get_rt_range(void *data, const struct spa_dict *props,
return 0;
}
static int impl_acquire_rt(void *data, struct pw_thread *thread, int priority)
static int impl_acquire_rt(void *data, struct spa_thread *thread, int priority)
{
int err, policy = DEFAULT_POLICY;
int rtprio = priority;
@ -215,7 +215,7 @@ static int impl_acquire_rt(void *data, struct pw_thread *thread, int priority)
return 0;
}
static int impl_drop_rt(void *data, struct pw_thread *thread)
static int impl_drop_rt(void *data, struct spa_thread *thread)
{
struct sched_param sp;
pthread_t pt = (pthread_t)thread;
@ -231,8 +231,8 @@ static int impl_drop_rt(void *data, struct pw_thread *thread)
return 0;
}
static const struct pw_thread_utils_methods impl_thread_utils = {
PW_VERSION_THREAD_UTILS_METHODS,
static const struct spa_thread_utils_methods impl_thread_utils = {
SPA_VERSION_THREAD_UTILS_METHODS,
.create = impl_create,
.join = impl_join,
.get_rt_range = impl_get_rt_range,
@ -272,11 +272,11 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
set_rlimit(impl);
impl->thread_utils.iface = SPA_INTERFACE_INIT(
PW_TYPE_INTERFACE_ThreadUtils,
PW_VERSION_THREAD_UTILS,
SPA_TYPE_INTERFACE_ThreadUtils,
SPA_VERSION_THREAD_UTILS,
&impl_thread_utils, impl);
pw_thread_utils_set_impl(&impl->thread_utils);
pw_thread_utils_set(&impl->thread_utils);
pw_impl_module_add_listener(module, &impl->module_listener, &module_events, impl);

24
src/modules/module-rtkit.c
View file

@ -87,7 +87,7 @@ struct impl {
pthread_cond_t cond;
struct spa_list threads_list;
struct pw_thread_utils thread_utils;
struct spa_thread_utils thread_utils;
int nice_level;
int rt_prio;
@ -435,7 +435,7 @@ static void module_destroy(void *data)
{
struct impl *impl = data;
pw_thread_utils_set_impl(NULL);
pw_thread_utils_set(NULL);
spa_hook_remove(&impl->module_listener);
pw_properties_free(impl->props);
@ -525,7 +525,7 @@ static void *custom_start(void *data)
return this->start(this->arg);
}
static struct pw_thread *impl_create(void *data, const struct spa_dict *props,
static struct spa_thread *impl_create(void *data, const struct spa_dict *props,
void *(*start_routine)(void*), void *arg)
{
struct impl *impl = data;
@ -553,10 +553,10 @@ exit:
free(this);
return NULL;
}
return (struct pw_thread*)this->thread;
return (struct spa_thread*)this->thread;
}
static int impl_join(void *data, struct pw_thread *thread, void **retval)
static int impl_join(void *data, struct spa_thread *thread, void **retval)
{
struct impl *impl = data;
pthread_t pt = (pthread_t)thread;
@ -598,7 +598,7 @@ static pid_t impl_gettid(struct impl *impl, pthread_t pt)
return pid;
}
static int impl_acquire_rt(void *data, struct pw_thread *thread, int priority)
static int impl_acquire_rt(void *data, struct spa_thread *thread, int priority)
{
struct impl *impl = data;
struct sched_param sp;
@ -633,7 +633,7 @@ static int impl_acquire_rt(void *data, struct pw_thread *thread, int priority)
return 0;
}
static int impl_drop_rt(void *data, struct pw_thread *thread)
static int impl_drop_rt(void *data, struct spa_thread *thread)
{
struct sched_param sp;
pthread_t pt = (pthread_t)thread;
@ -652,8 +652,8 @@ static int impl_drop_rt(void *data, struct pw_thread *thread)
return 0;
}
static const struct pw_thread_utils_methods impl_thread_utils = {
PW_VERSION_THREAD_UTILS_METHODS,
static const struct spa_thread_utils_methods impl_thread_utils = {
SPA_VERSION_THREAD_UTILS_METHODS,
.create = impl_create,
.join = impl_join,
.get_rt_range = impl_get_rt_range,
@ -710,11 +710,11 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
set_rlimit(impl);
impl->thread_utils.iface = SPA_INTERFACE_INIT(
PW_TYPE_INTERFACE_ThreadUtils,
PW_VERSION_THREAD_UTILS,
SPA_TYPE_INTERFACE_ThreadUtils,
SPA_VERSION_THREAD_UTILS,
&impl_thread_utils, impl);
pw_thread_utils_set_impl(&impl->thread_utils);
pw_thread_utils_set(&impl->thread_utils);
pw_impl_module_add_listener(module, &impl->module_listener, &module_events, impl);

2
src/pipewire/context.c
View file

@ -187,7 +187,7 @@ static int try_load_conf(struct pw_context *this, const char *conf_prefix,
static int context_set_freewheel(struct pw_context *context, bool freewheel)
{
struct pw_thread *thr;
struct spa_thread *thr;
int res;
if ((thr = pw_data_loop_get_thread(context->data_loop_impl)) == NULL)

6
src/pipewire/data-loop.c
View file

@ -260,12 +260,12 @@ bool pw_data_loop_in_thread(struct pw_data_loop * loop)
* \param loop the data loop to get the thread of
* \return the thread object or NULL when the thread is not running
*
* On posix based systems this returns a pthread_t *
* On posix based systems this returns a pthread_t
*/
SPA_EXPORT
struct pw_thread *pw_data_loop_get_thread(struct pw_data_loop * loop)
struct spa_thread *pw_data_loop_get_thread(struct pw_data_loop * loop)
{
return loop->running ? (struct pw_thread*)loop->thread : NULL;
return loop->running ? (struct spa_thread*)loop->thread : NULL;
}
SPA_EXPORT

2
src/pipewire/data-loop.h
View file

@ -87,7 +87,7 @@ int pw_data_loop_stop(struct pw_data_loop *loop);
/** Check if the current thread is the processing thread */
bool pw_data_loop_in_thread(struct pw_data_loop *loop);
/** Get the thread object */
struct pw_thread *pw_data_loop_get_thread(struct pw_data_loop *loop);
struct spa_thread *pw_data_loop_get_thread(struct pw_data_loop *loop);
/** invoke func in the context of the thread or in the caller thread when
* the loop is not running. Since 0.3.3 */

23
src/pipewire/thread.c
View file

@ -34,8 +34,7 @@
#include "thread.h"
static struct pw_thread *impl_create(void *data,
static struct spa_thread *impl_create(void *data,
const struct spa_dict *props,
void *(*start)(void*), void *arg)
{
@ -45,10 +44,10 @@ static struct pw_thread *impl_create(void *data,
errno = err;
return NULL;
}
return (struct pw_thread*)pt;
return (struct spa_thread*)pt;
}
static int impl_join(void *data, struct pw_thread *thread, void **retval)
static int impl_join(void *data, struct spa_thread *thread, void **retval)
{
pthread_t pt = (pthread_t)thread;
return pthread_join(pt, retval);
@ -65,24 +64,24 @@ static int impl_get_rt_range(void *data, const struct spa_dict *props,
}
static struct {
struct pw_thread_utils utils;
struct pw_thread_utils_methods methods;
struct spa_thread_utils utils;
struct spa_thread_utils_methods methods;
} default_impl = {
{ { PW_TYPE_INTERFACE_ThreadUtils,
PW_VERSION_THREAD_UTILS,
{ { SPA_TYPE_INTERFACE_ThreadUtils,
SPA_VERSION_THREAD_UTILS,
SPA_CALLBACKS_INIT(&default_impl.methods,
&default_impl) } },
{ PW_VERSION_THREAD_UTILS_METHODS,
{ SPA_VERSION_THREAD_UTILS_METHODS,
.create = impl_create,
.join = impl_join,
.get_rt_range = impl_get_rt_range
}
};
static struct pw_thread_utils *global_impl = &default_impl.utils;
static struct spa_thread_utils *global_impl = &default_impl.utils;
SPA_EXPORT
void pw_thread_utils_set_impl(struct pw_thread_utils *impl)
void pw_thread_utils_set(struct spa_thread_utils *impl)
{
if (impl == NULL)
impl = &default_impl.utils;
@ -90,7 +89,7 @@ void pw_thread_utils_set_impl(struct pw_thread_utils *impl)
}
SPA_EXPORT
struct pw_thread_utils *pw_thread_utils_get_impl(void)
struct spa_thread_utils *pw_thread_utils_get(void)
{
return global_impl;
}

87
src/pipewire/thread.h
View file

@ -32,90 +32,21 @@ extern "C" {
#include <string.h>
#include <errno.h>
#include <spa/utils/dict.h>
#include <pipewire/type.h>
#include <spa/support/thread.h>
/** \defgroup pw_thread Thread related functions
/** \defgroup spa_thread Thread related functions
*
* \brief functions to manipulate threads
*/
#define PW_TYPE_INTERFACE_ThreadUtils PW_TYPE_INFO_INTERFACE_BASE "ThreadUtils"
void pw_thread_utils_set(struct spa_thread_utils *impl);
struct spa_thread_utils *pw_thread_utils_get(void);
/** a thread object.
* This can be cast to a platform native thread, like pthread on posix systems
*/
struct pw_thread;
#define PW_VERSION_THREAD_UTILS 0
struct pw_thread_utils { struct spa_interface iface; };
/** thread utils */
struct pw_thread_utils_methods {
#define PW_VERSION_THREAD_UTILS_METHODS 0
uint32_t version;
/** create a new thread that runs \a start with \a arg */
struct pw_thread * (*create) (void *data, const struct spa_dict *props,
void *(*start)(void*), void *arg);
/** stop and join a thread */
int (*join)(void *data, struct pw_thread *thread, void **retval);
/** get realtime priority range for threads created with \a props */
int (*get_rt_range) (void *data, const struct spa_dict *props, int *min, int *max);
/** acquire realtime priority */
int (*acquire_rt) (void *data, struct pw_thread *thread, int priority);
/** drop realtime priority */
int (*drop_rt) (void *data, struct pw_thread *thread);
};
void pw_thread_utils_set_impl(struct pw_thread_utils *impl);
struct pw_thread_utils *pw_thread_utils_get_impl(void);
static inline struct pw_thread *pw_thread_utils_create(const struct spa_dict *props,
void *(*start_routine)(void*), void *arg)
{
struct pw_thread *res = NULL;
spa_interface_call_res(&pw_thread_utils_get_impl()->iface,
struct pw_thread_utils_methods, res, create, 0,
props, start_routine, arg);
return res;
}
static inline int pw_thread_utils_join(struct pw_thread *thread, void **retval)
{
int res = -ENOTSUP;
spa_interface_call_res(&pw_thread_utils_get_impl()->iface,
struct pw_thread_utils_methods, res, join, 0,
thread, retval);
return res;
}
static inline int pw_thread_utils_get_rt_range(const struct spa_dict *props, int *min, int *max)
{
int res = -ENOTSUP;
spa_interface_call_res(&pw_thread_utils_get_impl()->iface,
struct pw_thread_utils_methods, res, get_rt_range, 0,
props, min, max);
return res;
}
static inline int pw_thread_utils_acquire_rt(struct pw_thread *thread, int priority)
{
int res = -ENOTSUP;
spa_interface_call_res(&pw_thread_utils_get_impl()->iface,
struct pw_thread_utils_methods, res, acquire_rt, 0,
thread, priority);
return res;
}
static inline int pw_thread_utils_drop_rt(struct pw_thread *thread)
{
int res = -ENOTSUP;
spa_interface_call_res(&pw_thread_utils_get_impl()->iface,
struct pw_thread_utils_methods, res, drop_rt, 0, thread);
return res;
}
#define pw_thread_utils_create(...) spa_thread_utils_create(pw_thread_utils_get(), ##__VA_ARGS__)
#define pw_thread_utils_join(...) spa_thread_utils_join(pw_thread_utils_get(), ##__VA_ARGS__)
#define pw_thread_utils_get_rt_range(...) spa_thread_utils_get_rt_range(pw_thread_utils_get(), ##__VA_ARGS__)
#define pw_thread_utils_acquire_rt(...) spa_thread_utils_acquire_rt(pw_thread_utils_get(), ##__VA_ARGS__)
#define pw_thread_utils_drop_rt(...) spa_thread_utils_drop_rt(pw_thread_utils_get(), ##__VA_ARGS__)
#ifdef __cplusplus
} /* extern "C" */