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stream: add SEQ_READ/SEQ_WRITE macros

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This commit is contained in:
Wim Taymans 2019-08-27 14:36:03 +02:00
parent ae457625d3
commit bc88e1cbf8
2 changed files with 11 additions and 5 deletions
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6
src/pipewire/private.h
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@ -370,6 +370,12 @@ struct pw_node_activation {
uint64_t max_delay; /* max of all xruns in microseconds */
};
#define SEQ_WRITE(s) __atomic_add_fetch((s), 1, __ATOMIC_SEQ_CST)
#define SEQ_WRITE_SUCCESS(s1,s2) ((s1) + 1 == (s2) && (s2 & 1) == 0)
#define SEQ_READ(s) __atomic_load_n((s), __ATOMIC_SEQ_CST)
#define SEQ_READ_SUCCESS(s1,s2) ((s1) == (s2) && (s2 & 1) == 0)
#define pw_node_emit(o,m,v,...) spa_hook_list_call(&o->listener_list, struct pw_node_events, m, v, ##__VA_ARGS__)
#define pw_node_emit_destroy(n) pw_node_emit(n, destroy, 0)
#define pw_node_emit_free(n) pw_node_emit(n, free, 0)