Threads and Process Functions

Collaboration diagram for Threads and Process Functions:

Typedefs
typedef struct apr_thread_t	switch_thread_t
typedef struct apr_threadattr_t	switch_threadattr_t
typedef void *SWITCH_THREAD_FUNC *	switch_thread_start_t (switch_thread_t *, void *)

Functions
switch_status_t	switch_threadattr_stacksize_set (switch_threadattr_t *attr, switch_size_t stacksize)
switch_status_t	switch_threadattr_priority_set (switch_threadattr_t *attr, switch_thread_priority_t priority)
switch_status_t	switch_threadattr_create (switch_threadattr_t **new_attr, switch_memory_pool_t *pool)
switch_status_t	switch_threadattr_detach_set (switch_threadattr_t *attr, int32_t on)
switch_status_t	switch_thread_create (switch_thread_t **new_thread, switch_threadattr_t *attr, switch_thread_start_t func, void *data, switch_memory_pool_t *cont)

Detailed Description

Typedef Documentation

typedef void* SWITCH_THREAD_FUNC* switch_thread_start_t(switch_thread_t *, void *)

The prototype for any APR thread worker functions. typedef void *(SWITCH_THREAD_FUNC switch_thread_start_t)(switch_thread_t, void*);

Definition at line 950 of file switch_apr.h.

typedef struct apr_thread_t switch_thread_t

Opaque Thread structure.

Definition at line 941 of file switch_apr.h.

typedef struct apr_threadattr_t switch_threadattr_t

Opaque Thread attributes structure.

Definition at line 944 of file switch_apr.h.

Function Documentation

switch_status_t switch_thread_create	(	switch_thread_t **	new_thread,
		switch_threadattr_t *	attr,
		switch_thread_start_t	func,
		void *	data,
		switch_memory_pool_t *	cont
	)

Create a new thread of execution

Parameters

new_thread	The newly created thread handle.
attr	The threadattr to use to determine how to create the thread
func	The function to start the new thread in
data	Any data to be passed to the starting function
cont	The pool to use

Definition at line 675 of file switch_apr.c.

References switch_core_memory_pool_set_data(), and TT_KEY.

Referenced by chat_thread_start(), check_queue(), launch_collect_thread(), record_callback(), speech_callback(), switch_core_launch_thread(), switch_core_media_bug_add(), switch_core_media_set_video_file(), switch_core_memory_init(), switch_core_session_launch_thread(), switch_core_session_start_video_thread(), switch_core_session_thread_launch(), switch_core_sqldb_start(), switch_event_launch_dispatch_threads(), switch_ivr_broadcast_in_thread(), switch_ivr_enterprise_originate(), switch_ivr_originate(), switch_log_init(), switch_nat_thread_start(), switch_scheduler_task_thread_start(), switch_sql_queue_manager_start(), switch_system_thread(), switch_xml_free_in_thread(), task_thread_loop(), and unicast_thread_launch().

{
        switch_core_memory_pool_set_data(cont, "_in_thread", TT_KEY);
        return apr_thread_create(new_thread, attr, func, data, cont);
}

switch_status_t switch_threadattr_create	(	switch_threadattr_t **	new_attr,
		switch_memory_pool_t *	pool
	)

Create and initialize a new threadattr variable

Parameters

new_attr	The newly created threadattr.
pool	The pool to use

Definition at line 642 of file switch_apr.c.

References SWITCH_PRI_LOW, and SWITCH_STATUS_SUCCESS.

Referenced by chat_thread_start(), check_queue(), launch_collect_thread(), record_callback(), speech_callback(), switch_core_launch_thread(), switch_core_media_bug_add(), switch_core_media_set_video_file(), switch_core_memory_init(), switch_core_session_launch_thread(), switch_core_session_start_video_thread(), switch_core_session_thread_launch(), switch_core_sqldb_start(), switch_event_launch_dispatch_threads(), switch_ivr_broadcast_in_thread(), switch_ivr_enterprise_originate(), switch_ivr_originate(), switch_log_init(), switch_nat_thread_start(), switch_scheduler_task_thread_start(), switch_sql_queue_manager_start(), switch_system_thread(), switch_xml_free_in_thread(), task_thread_loop(), and unicast_thread_launch().

{
        switch_status_t status;

        if ((status = apr_threadattr_create(new_attr, pool)) == SWITCH_STATUS_SUCCESS) {

                (*new_attr)->priority = SWITCH_PRI_LOW;

        }

        return status;
}

switch_status_t switch_threadattr_detach_set	(	switch_threadattr_t *	attr,
		int32_t	on
	)

Set if newly created threads should be created in detached state.

Parameters

attr	The threadattr to affect
on	Non-zero if detached threads should be created.

Definition at line 655 of file switch_apr.c.

Referenced by check_queue(), launch_collect_thread(), switch_core_session_launch_thread(), switch_core_session_thread_launch(), switch_ivr_broadcast_in_thread(), switch_system_thread(), switch_xml_free_in_thread(), and task_thread_loop().

{
        return apr_threadattr_detach_set(attr, on);
}

switch_status_t switch_threadattr_priority_set	(	switch_threadattr_t *	attr,
		switch_thread_priority_t	priority
	)

Definition at line 665 of file switch_apr.c.

References SWITCH_STATUS_SUCCESS.

Referenced by check_queue(), switch_core_launch_thread(), switch_core_sqldb_start(), switch_event_launch_dispatch_threads(), and switch_sql_queue_manager_start().

{

        attr->priority = priority;

        return SWITCH_STATUS_SUCCESS;
}

switch_status_t switch_threadattr_stacksize_set	(	switch_threadattr_t *	attr,
		switch_size_t	stacksize
	)

Definition at line 660 of file switch_apr.c.

Referenced by chat_thread_start(), check_queue(), launch_collect_thread(), record_callback(), speech_callback(), switch_core_launch_thread(), switch_core_media_bug_add(), switch_core_media_set_video_file(), switch_core_memory_init(), switch_core_session_launch_thread(), switch_core_session_start_video_thread(), switch_core_session_thread_launch(), switch_core_sqldb_start(), switch_event_launch_dispatch_threads(), switch_ivr_broadcast_in_thread(), switch_ivr_enterprise_originate(), switch_ivr_originate(), switch_log_init(), switch_sql_queue_manager_start(), switch_system_thread(), switch_xml_free_in_thread(), and unicast_thread_launch().

{
        return apr_threadattr_stacksize_set(attr, stacksize);
}