2 * Copyright (C) 2018 Jérémie Galarneau <jeremie.galarneau@efficios.com>
4 * SPDX-License-Identifier: GPL-2.0-only
8 #include <common/compat/poll.hpp>
16 struct lttng_poll_event
*events
;
22 static int open_epoll(void *data
, int *out_fd
)
25 struct create_args
*args
= (create_args
*) data
;
27 ret
= lttng_poll_create(args
->events
, args
->size
, args
->flags
);
32 *out_fd
= args
->events
->epfd
;
37 static int close_epoll(void *data
, int *in_fd
__attribute__((unused
)))
39 /* Will close the epfd. */
40 lttng_poll_clean((struct lttng_poll_event
*) data
);
45 * The epoll variant of the poll compat layer creates an unsuspendable fd which
48 int fd_tracker_util_poll_create(struct fd_tracker
*tracker
,
50 struct lttng_poll_event
*events
,
55 struct create_args create_args
= {
61 return fd_tracker_open_unsuspendable_fd(
62 tracker
, &out_fd
, &name
, 1, open_epoll
, &create_args
);
65 int fd_tracker_util_poll_clean(
66 struct fd_tracker
*tracker
, struct lttng_poll_event
*events
)
68 return fd_tracker_close_unsuspendable_fd(
69 tracker
, &events
->epfd
, 1, close_epoll
, events
);
72 #else /* HAVE_EPOLL */
75 * The epoll variant of the poll compat layer creates an unsuspendable fd which
78 int fd_tracker_util_poll_create(
79 struct fd_tracker
*tracker
__attribute__((unused
)),
80 const char *name
__attribute__((unused
)),
81 struct lttng_poll_event
*events
,
83 int flags
__attribute__((unused
)))
85 return lttng_poll_create(events
, size
, flags
);
88 int fd_tracker_util_poll_clean(
89 struct fd_tracker
*tracker
__attribute__((unused
)),
90 struct lttng_poll_event
*events
)
92 lttng_poll_clean(events
);
96 #endif /* !HAVE_EPOLL */
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