15 #include <sys/types.h> 32 #define SPA_TYPE_INTERFACE_System SPA_TYPE_INFO_INTERFACE_BASE "System" 33 #define SPA_TYPE_INTERFACE_DataSystem SPA_TYPE_INFO_INTERFACE_BASE "DataSystem" 35 #define SPA_VERSION_SYSTEM 0 39 #define SPA_IO_IN (1 << 0) 40 #define SPA_IO_OUT (1 << 2) 41 #define SPA_IO_ERR (1 << 3) 42 #define SPA_IO_HUP (1 << 4) 45 #define SPA_FD_CLOEXEC (1<<0) 46 #define SPA_FD_NONBLOCK (1<<1) 47 #define SPA_FD_EVENT_SEMAPHORE (1<<2) 48 #define SPA_FD_TIMER_ABSTIME (1<<3) 49 #define SPA_FD_TIMER_CANCEL_ON_SET (1<<4) 57 #define SPA_VERSION_SYSTEM_METHODS 0 61 ssize_t (*
read) (
void *object,
int fd,
void *buf,
size_t count);
62 ssize_t (*
write) (
void *object,
int fd,
const void *buf,
size_t count);
63 int (*
ioctl) (
void *object,
int fd,
unsigned long request, ...);
64 int (*
close) (
void *object,
int fd);
68 int clockid,
struct timespec *value);
70 int clockid,
struct timespec *res);
74 int (*
pollfd_add) (
void *object,
int pfd,
int fd, uint32_t events,
void *data);
75 int (*
pollfd_mod) (
void *object,
int pfd,
int fd, uint32_t events,
void *data);
100 #define spa_system_method_r(o,method,version,...) \ 102 volatile int _res = -ENOTSUP; \ 103 struct spa_system *_o = o; \ 104 spa_interface_call_fast_res(&_o->iface, \ 105 struct spa_system_methods, _res, \ 106 method, version, ##__VA_ARGS__); \ 110 #define spa_system_read(s,...) spa_system_method_r(s,read,0,__VA_ARGS__) 111 #define spa_system_write(s,...) spa_system_method_r(s,write,0,__VA_ARGS__) 112 #define spa_system_ioctl(s,...) spa_system_method_r(s,ioctl,0,__VA_ARGS__) 113 #define spa_system_close(s,...) spa_system_method_r(s,close,0,__VA_ARGS__) 115 #define spa_system_clock_gettime(s,...) spa_system_method_r(s,clock_gettime,0,__VA_ARGS__) 116 #define spa_system_clock_getres(s,...) spa_system_method_r(s,clock_getres,0,__VA_ARGS__) 118 #define spa_system_pollfd_create(s,...) spa_system_method_r(s,pollfd_create,0,__VA_ARGS__) 119 #define spa_system_pollfd_add(s,...) spa_system_method_r(s,pollfd_add,0,__VA_ARGS__) 120 #define spa_system_pollfd_mod(s,...) spa_system_method_r(s,pollfd_mod,0,__VA_ARGS__) 121 #define spa_system_pollfd_del(s,...) spa_system_method_r(s,pollfd_del,0,__VA_ARGS__) 122 #define spa_system_pollfd_wait(s,...) spa_system_method_r(s,pollfd_wait,0,__VA_ARGS__) 124 #define spa_system_timerfd_create(s,...) spa_system_method_r(s,timerfd_create,0,__VA_ARGS__) 125 #define spa_system_timerfd_settime(s,...) spa_system_method_r(s,timerfd_settime,0,__VA_ARGS__) 126 #define spa_system_timerfd_gettime(s,...) spa_system_method_r(s,timerfd_gettime,0,__VA_ARGS__) 127 #define spa_system_timerfd_read(s,...) spa_system_method_r(s,timerfd_read,0,__VA_ARGS__) 129 #define spa_system_eventfd_create(s,...) spa_system_method_r(s,eventfd_create,0,__VA_ARGS__) 130 #define spa_system_eventfd_write(s,...) spa_system_method_r(s,eventfd_write,0,__VA_ARGS__) 131 #define spa_system_eventfd_read(s,...) spa_system_method_r(s,eventfd_read,0,__VA_ARGS__) 133 #define spa_system_signalfd_create(s,...) spa_system_method_r(s,signalfd_create,0,__VA_ARGS__) 134 #define spa_system_signalfd_read(s,...) spa_system_method_r(s,signalfd_read,0,__VA_ARGS__) int(* clock_gettime)(void *object, int clockid, struct timespec *value)
Definition: system.h:86
int(* timerfd_gettime)(void *object, int fd, struct itimerspec *curr_value)
Definition: system.h:105
int(* timerfd_settime)(void *object, int fd, int flags, const struct itimerspec *new_value, struct itimerspec *old_value)
Definition: system.h:101
int(* signalfd_create)(void *object, int signal, int flags)
Definition: system.h:115
int(* pollfd_mod)(void *object, int pfd, int fd, uint32_t events, void *data)
Definition: system.h:94
int(* pollfd_del)(void *object, int pfd, int fd)
Definition: system.h:95
int(* eventfd_write)(void *object, int fd, uint64_t count)
Definition: system.h:111
int(* timerfd_create)(void *object, int clockid, int flags)
Definition: system.h:100
int(* close)(void *object, int fd)
Definition: system.h:83
int(* timerfd_read)(void *object, int fd, uint64_t *expirations)
Definition: system.h:107
uint32_t events
Definition: system.h:70
int(* pollfd_create)(void *object, int flags)
Definition: system.h:92
uint32_t version
Definition: system.h:77
int(* pollfd_add)(void *object, int pfd, int fd, uint32_t events, void *data)
Definition: system.h:93
int(* ioctl)(void *object, int fd, unsigned long request,...)
Definition: system.h:82
int(* signalfd_read)(void *object, int fd, int *signal)
Definition: system.h:116
int(* eventfd_create)(void *object, int flags)
Definition: system.h:110
ssize_t(* write)(void *object, int fd, const void *buf, size_t count)
Definition: system.h:81
ssize_t(* read)(void *object, int fd, void *buf, size_t count)
Definition: system.h:80
int(* pollfd_wait)(void *object, int pfd, struct spa_poll_event *ev, int n_ev, int timeout)
Definition: system.h:96
void * data
Definition: system.h:71
struct spa_interface iface
Definition: system.h:45
int(* eventfd_read)(void *object, int fd, uint64_t *count)
Definition: system.h:112
int(* clock_getres)(void *object, int clockid, struct timespec *res)
Definition: system.h:88