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hooks: enforce version on hook emission

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Pass the minimum required version to the hook emission and only call
events when the handler is recent enough.
Add some macros to make event emission easier to read.
This commit is contained in:
Wim Taymans 2018-08-01 21:41:25 +02:00
parent 150e30dfb9
commit d8525e3732
27 changed files with 249 additions and 148 deletions
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8
spa/plugins/support/loop.c
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@ -250,13 +250,13 @@ loop_invoke(struct spa_loop *loop,
if (block) {
uint64_t count = 1;
spa_hook_list_call(&impl->hooks_list, struct spa_loop_control_hooks, before);
spa_loop_control_hook_before(&impl->hooks_list);
if (read(impl->ack_fd, &count, sizeof(uint64_t)) != sizeof(uint64_t))
spa_log_warn(impl->log, NAME " %p: failed to read event fd: %s",
impl, strerror(errno));
spa_hook_list_call(&impl->hooks_list, struct spa_loop_control_hooks, after);
spa_loop_control_hook_after(&impl->hooks_list);
res = item->res;
}
@ -335,12 +335,12 @@ static int loop_iterate(struct spa_loop_control *ctrl, int timeout)
struct epoll_event ep[32];
int i, nfds, save_errno = 0;
spa_hook_list_call(&impl->hooks_list, struct spa_loop_control_hooks, before);
spa_loop_control_hook_before(&impl->hooks_list);
if (SPA_UNLIKELY((nfds = epoll_wait(impl->epoll_fd, ep, SPA_N_ELEMENTS(ep), timeout)) < 0))
save_errno = errno;
spa_hook_list_call(&impl->hooks_list, struct spa_loop_control_hooks, after);
spa_loop_control_hook_after(&impl->hooks_list);
if (SPA_UNLIKELY(nfds < 0))
return save_errno;