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system: use attribute packed for the spa_poll_event

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This makes it the same size as epoll_event and we don't need to copy the
results over.

It however technically causes an ABI break, in case someone was using
the system interface directly.
This commit is contained in:
Wim Taymans 2026-03-20 19:36:51 +01:00
parent 54c517b2d9
commit 67dd3549a7
2 changed files with 8 additions and 13 deletions
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8
spa/include/spa/support/system.h
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@ -41,7 +41,7 @@ struct itimerspec;
#define SPA_TYPE_INTERFACE_System SPA_TYPE_INFO_INTERFACE_BASE "System"
#define SPA_TYPE_INTERFACE_DataSystem SPA_TYPE_INFO_INTERFACE_BASE "DataSystem"
#define SPA_VERSION_SYSTEM 0
#define SPA_VERSION_SYSTEM 1
struct spa_system { struct spa_interface iface; };
/* IO events */
@ -60,10 +60,10 @@ struct spa_system { struct spa_interface iface; };
struct spa_poll_event {
uint32_t events;
void *data;
};
} __attribute__ ((packed));
struct spa_system_methods {
#define SPA_VERSION_SYSTEM_METHODS 0
#define SPA_VERSION_SYSTEM_METHODS 1
uint32_t version;
/* read/write/ioctl */
@ -151,7 +151,7 @@ SPA_API_SYSTEM int spa_system_pollfd_del(struct spa_system *object, int pfd, int
SPA_API_SYSTEM int spa_system_pollfd_wait(struct spa_system *object, int pfd,
struct spa_poll_event *ev, int n_ev, int timeout)
{
return spa_api_method_fast_r(int, -ENOTSUP, spa_system, &object->iface, pollfd_wait, 0, pfd, ev, n_ev, timeout);
return spa_api_method_fast_r(int, -ENOTSUP, spa_system, &object->iface, pollfd_wait, 1, pfd, ev, n_ev, timeout);
}
SPA_API_SYSTEM int spa_system_timerfd_create(struct spa_system *object, int clockid, int flags)