2 * Copyright (C) 2018 Jérémie Galarneau <jeremie.galarneau@efficios.com>
4 * SPDX-License-Identifier: GPL-2.0-only
14 struct lttng_poll_event
*events
;
20 static int open_epoll(void *data
, int *out_fd
)
23 struct create_args
*args
= (create_args
*) data
;
25 ret
= lttng_poll_create(args
->events
, args
->size
, args
->flags
);
30 *out_fd
= args
->events
->epfd
;
35 static int close_epoll(void *data
, int *in_fd
__attribute__((unused
)))
37 /* Will close the epfd. */
38 lttng_poll_clean((struct lttng_poll_event
*) data
);
43 * The epoll variant of the poll compat layer creates an unsuspendable fd which
46 int fd_tracker_util_poll_create(struct fd_tracker
*tracker
,
48 struct lttng_poll_event
*events
,
53 struct create_args create_args
= {
59 return fd_tracker_open_unsuspendable_fd(
60 tracker
, &out_fd
, &name
, 1, open_epoll
, &create_args
);
63 int fd_tracker_util_poll_clean(struct fd_tracker
*tracker
, struct lttng_poll_event
*events
)
65 return fd_tracker_close_unsuspendable_fd(tracker
, &events
->epfd
, 1, close_epoll
, events
);
68 #else /* HAVE_EPOLL */
71 * The epoll variant of the poll compat layer creates an unsuspendable fd which
74 int fd_tracker_util_poll_create(struct fd_tracker
*tracker
__attribute__((unused
)),
75 const char *name
__attribute__((unused
)),
76 struct lttng_poll_event
*events
,
78 int flags
__attribute__((unused
)))
80 return lttng_poll_create(events
, size
, flags
);
83 int fd_tracker_util_poll_clean(struct fd_tracker
*tracker
__attribute__((unused
)),
84 struct lttng_poll_event
*events
)
86 lttng_poll_clean(events
);
90 #endif /* !HAVE_EPOLL */
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