mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-11-18 07:00:06 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

support: add support for checking loop context

Browse source 
Add check for running the the loop context and thread.

Add checks in filter and stream to avoid doing things when not run from
the context main-loop because this can crash things when doing IPC from
concurrent threads.
This commit is contained in:
Wim Taymans 2023-03-31 18:40:57 +02:00
parent a6497839bb
commit 74831aa967
7 changed files with 147 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

15
spa/include/spa/support/loop.h
View file

@ -28,7 +28,7 @@ extern "C" {
struct spa_loop { struct spa_interface iface; };
#define SPA_TYPE_INTERFACE_LoopControl SPA_TYPE_INFO_INTERFACE_BASE "LoopControl"
#define SPA_VERSION_LOOP_CONTROL 0
#define SPA_VERSION_LOOP_CONTROL 1
struct spa_loop_control { struct spa_interface iface; };
#define SPA_TYPE_INTERFACE_LoopUtils SPA_TYPE_INFO_INTERFACE_BASE "LoopUtils"
@ -140,7 +140,7 @@ struct spa_loop_control_hooks {
struct spa_loop_control_methods {
/* the version of this structure. This can be used to expand this
* structure in the future */
#define SPA_VERSION_LOOP_CONTROL_METHODS 0
#define SPA_VERSION_LOOP_CONTROL_METHODS 1
uint32_t version;
int (*get_fd) (void *object);
@ -182,6 +182,16 @@ struct spa_loop_control_methods {
* The number of dispatched fds is returned.
*/
int (*iterate) (void *object, int timeout);
/** Check context of the loop
* \param ctrl the control
*
* This function will check if the current thread is currently the
* one that did the enter call. Since version 1:1.
*
* returns 1 on success, 0 or negative errno value on error.
*/
int (*check) (void *object);
};
#define spa_loop_control_method_v(o,method,version,...) \
@ -207,6 +217,7 @@ struct spa_loop_control_methods {
#define spa_loop_control_enter(l) spa_loop_control_method_v(l,enter,0)
#define spa_loop_control_leave(l) spa_loop_control_method_v(l,leave,0)
#define spa_loop_control_iterate(l,...) spa_loop_control_method_r(l,iterate,0,__VA_ARGS__)
#define spa_loop_control_check(l) spa_loop_control_method_r(l,check,1)
typedef void (*spa_source_io_func_t) (void *data, int fd, uint32_t mask);
typedef void (*spa_source_idle_func_t) (void *data);