aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libev/ev.h
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/libev/ev.h')
-rw-r--r--contrib/libev/ev.h61
1 files changed, 32 insertions, 29 deletions
diff --git a/contrib/libev/ev.h b/contrib/libev/ev.h
index 9d3e4f2fd..7135a08a5 100644
--- a/contrib/libev/ev.h
+++ b/contrib/libev/ev.h
@@ -1,7 +1,7 @@
/*
* libev native API header
*
- * Copyright (c) 2007-2018 Marc Alexander Lehmann <libev@schmorp.de>
+ * Copyright (c) 2007-2020 Marc Alexander Lehmann <libev@schmorp.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
@@ -151,7 +151,10 @@ EV_CPP(extern "C" {)
/*****************************************************************************/
-typedef double ev_tstamp;
+#ifndef EV_TSTAMP_T
+# define EV_TSTAMP_T double
+#endif
+typedef EV_TSTAMP_T ev_tstamp;
#include <string.h> /* for memmove */
@@ -212,7 +215,7 @@ struct ev_loop;
/*****************************************************************************/
#define EV_VERSION_MAJOR 4
-#define EV_VERSION_MINOR 25
+#define EV_VERSION_MINOR 33
/* eventmask, revents, events... */
enum {
@@ -389,14 +392,12 @@ typedef struct ev_stat
} ev_stat;
#endif
-#if EV_IDLE_ENABLE
/* invoked when the nothing else needs to be done, keeps the process from blocking */
/* revent EV_IDLE */
typedef struct ev_idle
{
EV_WATCHER (ev_idle)
} ev_idle;
-#endif
/* invoked for each run of the mainloop, just before the blocking call */
/* you can still change events in any way you like */
@@ -413,23 +414,19 @@ typedef struct ev_check
EV_WATCHER (ev_check)
} ev_check;
-#if EV_FORK_ENABLE
/* the callback gets invoked before check in the child process when a fork was detected */
/* revent EV_FORK */
typedef struct ev_fork
{
EV_WATCHER (ev_fork)
} ev_fork;
-#endif
-#if EV_CLEANUP_ENABLE
/* is invoked just before the loop gets destroyed */
/* revent EV_CLEANUP */
typedef struct ev_cleanup
{
EV_WATCHER (ev_cleanup)
} ev_cleanup;
-#endif
#if EV_EMBED_ENABLE
/* used to embed an event loop inside another */
@@ -439,16 +436,18 @@ typedef struct ev_embed
EV_WATCHER (ev_embed)
struct ev_loop *other; /* ro */
+#undef EV_IO_ENABLE
+#define EV_IO_ENABLE 1
ev_io io; /* private */
+#undef EV_PREPARE_ENABLE
+#define EV_PREPARE_ENABLE 1
ev_prepare prepare; /* private */
ev_check check; /* unused */
ev_timer timer; /* unused */
ev_periodic periodic; /* unused */
ev_idle idle; /* unused */
ev_fork fork; /* private */
-#if EV_CLEANUP_ENABLE
ev_cleanup cleanup; /* unused */
-#endif
} ev_embed;
#endif
@@ -501,29 +500,32 @@ union ev_any_watcher
/* flag bits for ev_default_loop and ev_loop_new */
enum {
/* the default */
- EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
+ EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
/* flag bits */
- EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
- EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
+ EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
+ EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
/* debugging/feature disable */
- EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
+ EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
#if EV_COMPAT3
- EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
+ EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
#endif
- EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
- EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */
+ EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
+ EVFLAG_NOSIGMASK = 0x00400000U, /* avoid modifying the signal mask */
+ EVFLAG_NOTIMERFD = 0x00800000U /* avoid creating a timerfd */
};
/* method bits to be ored together */
enum {
- EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */
- EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */
- EVBACKEND_EPOLL = 0x00000004U, /* linux */
- EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */
- EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */
- EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
- EVBACKEND_ALL = 0x0000003FU, /* all known backends */
- EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
+ EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */
+ EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */
+ EVBACKEND_EPOLL = 0x00000004U, /* linux */
+ EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */
+ EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */
+ EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
+ EVBACKEND_LINUXAIO = 0x00000040U, /* linux AIO, 4.19+ */
+ EVBACKEND_IOURING = 0x00000080U, /* linux io_uring, 5.1+ */
+ EVBACKEND_ALL = 0x000000FFU, /* all known backends */
+ EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
};
#if EV_PROTOTYPES
@@ -557,7 +559,6 @@ EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_N
/* you can call this as often as you like */
EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT;
-
/* create and destroy alternative loops that don't handle signals */
EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT;
@@ -643,6 +644,8 @@ EV_API_DECL int ev_active_cnt (EV_P) EV_NOEXCEPT;
*/
EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT;
+EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
+
# if EV_FEATURE_API
EV_API_DECL unsigned int ev_iteration (EV_P) EV_NOEXCEPT; /* number of loop iterations */
EV_API_DECL unsigned int ev_depth (EV_P) EV_NOEXCEPT; /* #ev_loop enters - #ev_loop leaves */
@@ -660,7 +663,6 @@ EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending
EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT;
EV_API_DECL unsigned int ev_pending_count (EV_P) EV_NOEXCEPT; /* number of pending events, if any */
-EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
/*
* stop/start the timer handling.
@@ -680,6 +682,7 @@ EV_API_DECL void ev_resume (EV_P) EV_NOEXCEPT;
ev_set_cb ((ev), cb_); \
} while (0)
+#define ev_io_modify(ev,events_) do { (ev)->events = (ev)->events & EV__IOFDSET | (events_); } while (0)
#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
@@ -712,7 +715,6 @@ EV_API_DECL void ev_resume (EV_P) EV_NOEXCEPT;
#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
#define ev_can_stop(ev) (ev_is_pending(ev) || ev_is_active(ev)) /* ro, true when the watcher has been started */
-
#define ev_cb_(ev) (ev)->cb /* rw */
#define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb)
@@ -727,6 +729,7 @@ EV_API_DECL void ev_resume (EV_P) EV_NOEXCEPT;
#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
#ifndef ev_set_cb
+/* memmove is used here to avoid strict aliasing violations, and hopefully is optimized out by any reasonable compiler */
# define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 15:31:24 +0000