mirror of /home/gitosis/repositories/libev.git
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This commit is contained in:
Marc Alexander Lehmann
parent
8e8d1095b8
commit
eeab0b6f08
3
Changes
3
Changes
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@ -3,7 +3,6 @@ Revision history for libev, a high-performance and full-featured event loop.
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TODO: ev_loop_wakeup
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TODO: EV_NO_THREADS/NO_SMP and/or EV_USE_PTHREADS or so. also document.
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TODO: #define EV_API_DECL static? ev_default_loop_ptr?
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TODO: EV_STANDALONE == NO_HASSEL (do not use clock_gettime in ev_standalone)
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TODO: memory fences for clang
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TODO: fix repeat=0 in http://pod.tst.eu/http://cvs.schmorp.de/libev/ev.pod#Be_smart_about_timeouts
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@ -28,6 +27,8 @@ TODO: fix repeat=0 in http://pod.tst.eu/http://cvs.schmorp.de/libev/ev.pod#Be_sm
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- fix #3 "be smart about timeouts" to not "deadlock" when
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timeout == now, also improve the section overall.
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- avoid "AVOIDING FINISHING BEFORE RETURNING" idiom.
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- support new EV_API_STATIC mode to make all libev symbols
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static.
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4.04 Wed Feb 16 09:01:51 CET 2011
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- fix two problems in the native win32 backend, where reuse of fd's
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4
ev.c
4
ev.c
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@ -1195,11 +1195,11 @@ typedef struct
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#include "ev_wrap.h"
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static struct ev_loop default_loop_struct;
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struct ev_loop *ev_default_loop_ptr;
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EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a defintiino despite extern */
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#else
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ev_tstamp ev_rt_now;
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EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a defintiino despite extern */
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#define VAR(name,decl) static decl;
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#include "ev_vars.h"
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#undef VAR
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160
ev.h
160
ev.h
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@ -185,6 +185,12 @@ struct ev_loop;
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# define EV_INLINE static
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#endif
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#ifdef EV_API_STATIC
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# define EV_API_DECL static
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#else
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# define EV_API_DECL extern
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#endif
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/* EV_PROTOTYPES can be used to switch of prototype declarations */
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#ifndef EV_PROTOTYPES
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# define EV_PROTOTYPES 1
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@ -508,15 +514,15 @@ enum {
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};
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#if EV_PROTOTYPES
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int ev_version_major (void);
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int ev_version_minor (void);
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EV_API_DECL int ev_version_major (void);
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EV_API_DECL int ev_version_minor (void);
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unsigned int ev_supported_backends (void);
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unsigned int ev_recommended_backends (void);
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unsigned int ev_embeddable_backends (void);
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EV_API_DECL unsigned int ev_supported_backends (void);
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EV_API_DECL unsigned int ev_recommended_backends (void);
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EV_API_DECL unsigned int ev_embeddable_backends (void);
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ev_tstamp ev_time (void);
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void ev_sleep (ev_tstamp delay); /* sleep for a while */
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EV_API_DECL ev_tstamp ev_time (void);
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EV_API_DECL void ev_sleep (ev_tstamp delay); /* sleep for a while */
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/* Sets the allocation function to use, works like realloc.
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* It is used to allocate and free memory.
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@ -524,19 +530,21 @@ void ev_sleep (ev_tstamp delay); /* sleep for a while */
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* or take some potentially destructive action.
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* The default is your system realloc function.
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*/
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void ev_set_allocator (void *(*cb)(void *ptr, long size));
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EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size));
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/* set the callback function to call on a
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* retryable syscall error
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* (such as failed select, poll, epoll_wait)
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*/
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void ev_set_syserr_cb (void (*cb)(const char *msg));
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EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg));
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#if EV_MULTIPLICITY
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/* the default loop is the only one that handles signals and child watchers */
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/* you can call this as often as you like */
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struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0));
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EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0));
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EV_API_DECL struct ev_loop *ev_default_loop_ptr;
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EV_INLINE struct ev_loop *
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ev_default_loop_uc_ (void)
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@ -553,19 +561,19 @@ ev_is_default_loop (EV_P)
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}
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/* create and destroy alternative loops that don't handle signals */
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struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0));
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EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0));
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ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
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EV_API_DECL ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
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#else
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int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */
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EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */
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EV_API_DECL ev_tstamp ev_rt_now;
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EV_INLINE ev_tstamp
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ev_now (void)
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{
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extern ev_tstamp ev_rt_now;
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return ev_rt_now;
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}
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@ -579,23 +587,23 @@ ev_is_default_loop (void)
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#endif /* multiplicity */
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/* destroy event loops, also works for the default loop */
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void ev_loop_destroy (EV_P);
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EV_API_DECL void ev_loop_destroy (EV_P);
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/* this needs to be called after fork, to duplicate the loop */
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/* when you want to re-use it in the child */
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/* you can call it in either the parent or the child */
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/* you can actually call it at any time, anywhere :) */
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void ev_loop_fork (EV_P);
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EV_API_DECL void ev_loop_fork (EV_P);
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unsigned int ev_backend (EV_P); /* backend in use by loop */
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EV_API_DECL unsigned int ev_backend (EV_P); /* backend in use by loop */
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void ev_now_update (EV_P); /* update event loop time */
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EV_API_DECL void ev_now_update (EV_P); /* update event loop time */
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#if EV_WALK_ENABLE
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/* walk (almost) all watchers in the loop of a given type, invoking the */
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/* callback on every such watcher. The callback might stop the watcher, */
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/* but do nothing else with the loop */
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void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w));
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EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w));
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#endif
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#endif /* prototypes */
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@ -614,45 +622,45 @@ enum {
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};
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#if EV_PROTOTYPES
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void ev_run (EV_P_ int flags EV_CPP (= 0));
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void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */
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EV_API_DECL void ev_run (EV_P_ int flags EV_CPP (= 0));
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EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */
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/*
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* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
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* keeps one reference. if you have a long-running watcher you never unregister that
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* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
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*/
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void ev_ref (EV_P);
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void ev_unref (EV_P);
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EV_API_DECL void ev_ref (EV_P);
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EV_API_DECL void ev_unref (EV_P);
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/*
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* convenience function, wait for a single event, without registering an event watcher
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* if timeout is < 0, do wait indefinitely
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*/
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void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
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EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
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# if EV_FEATURE_API
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unsigned int ev_iteration (EV_P); /* number of loop iterations */
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unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
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void ev_verify (EV_P); /* abort if loop data corrupted */
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EV_API_DECL unsigned int ev_iteration (EV_P); /* number of loop iterations */
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EV_API_DECL unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
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EV_API_DECL void ev_verify (EV_P); /* abort if loop data corrupted */
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void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
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void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
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EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
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EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
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/* advanced stuff for threading etc. support, see docs */
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void ev_set_userdata (EV_P_ void *data);
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void *ev_userdata (EV_P);
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void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
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void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P));
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EV_API_DECL void ev_set_userdata (EV_P_ void *data);
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EV_API_DECL void *ev_userdata (EV_P);
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EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
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EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P));
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unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
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void ev_invoke_pending (EV_P); /* invoke all pending watchers */
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EV_API_DECL unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
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EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
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/*
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* stop/start the timer handling.
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*/
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void ev_suspend (EV_P);
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void ev_resume (EV_P);
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EV_API_DECL void ev_suspend (EV_P);
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EV_API_DECL void ev_resume (EV_P);
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#endif
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#endif
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@ -719,85 +727,85 @@ void ev_resume (EV_P);
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/* feeds an event into a watcher as if the event actually occurred */
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/* accepts any ev_watcher type */
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void ev_feed_event (EV_P_ void *w, int revents);
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void ev_feed_fd_event (EV_P_ int fd, int revents);
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EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents);
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EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents);
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#if EV_SIGNAL_ENABLE
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void ev_feed_signal (int signum);
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void ev_feed_signal_event (EV_P_ int signum);
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EV_API_DECL void ev_feed_signal (int signum);
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EV_API_DECL void ev_feed_signal_event (EV_P_ int signum);
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#endif
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void ev_invoke (EV_P_ void *w, int revents);
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int ev_clear_pending (EV_P_ void *w);
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EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
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EV_API_DECL int ev_clear_pending (EV_P_ void *w);
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void ev_io_start (EV_P_ ev_io *w);
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void ev_io_stop (EV_P_ ev_io *w);
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EV_API_DECL void ev_io_start (EV_P_ ev_io *w);
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EV_API_DECL void ev_io_stop (EV_P_ ev_io *w);
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void ev_timer_start (EV_P_ ev_timer *w);
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void ev_timer_stop (EV_P_ ev_timer *w);
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EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w);
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EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w);
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/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
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void ev_timer_again (EV_P_ ev_timer *w);
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EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w);
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/* return remaining time */
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ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
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EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
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#if EV_PERIODIC_ENABLE
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void ev_periodic_start (EV_P_ ev_periodic *w);
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void ev_periodic_stop (EV_P_ ev_periodic *w);
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void ev_periodic_again (EV_P_ ev_periodic *w);
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EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w);
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EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w);
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EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w);
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#endif
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/* only supported in the default loop */
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#if EV_SIGNAL_ENABLE
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void ev_signal_start (EV_P_ ev_signal *w);
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void ev_signal_stop (EV_P_ ev_signal *w);
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EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w);
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EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w);
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#endif
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/* only supported in the default loop */
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# if EV_CHILD_ENABLE
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void ev_child_start (EV_P_ ev_child *w);
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void ev_child_stop (EV_P_ ev_child *w);
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EV_API_DECL void ev_child_start (EV_P_ ev_child *w);
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EV_API_DECL void ev_child_stop (EV_P_ ev_child *w);
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# endif
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# if EV_STAT_ENABLE
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void ev_stat_start (EV_P_ ev_stat *w);
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void ev_stat_stop (EV_P_ ev_stat *w);
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void ev_stat_stat (EV_P_ ev_stat *w);
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EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w);
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EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w);
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EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w);
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# endif
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# if EV_IDLE_ENABLE
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void ev_idle_start (EV_P_ ev_idle *w);
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void ev_idle_stop (EV_P_ ev_idle *w);
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EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w);
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EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w);
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# endif
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#if EV_PREPARE_ENABLE
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void ev_prepare_start (EV_P_ ev_prepare *w);
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void ev_prepare_stop (EV_P_ ev_prepare *w);
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EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w);
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EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w);
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#endif
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#if EV_CHECK_ENABLE
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void ev_check_start (EV_P_ ev_check *w);
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void ev_check_stop (EV_P_ ev_check *w);
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EV_API_DECL void ev_check_start (EV_P_ ev_check *w);
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EV_API_DECL void ev_check_stop (EV_P_ ev_check *w);
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#endif
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# if EV_FORK_ENABLE
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void ev_fork_start (EV_P_ ev_fork *w);
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void ev_fork_stop (EV_P_ ev_fork *w);
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EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w);
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EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w);
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# endif
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# if EV_CLEANUP_ENABLE
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void ev_cleanup_start (EV_P_ ev_cleanup *w);
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void ev_cleanup_stop (EV_P_ ev_cleanup *w);
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EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w);
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EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w);
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# endif
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# if EV_EMBED_ENABLE
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/* only supported when loop to be embedded is in fact embeddable */
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void ev_embed_start (EV_P_ ev_embed *w);
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void ev_embed_stop (EV_P_ ev_embed *w);
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void ev_embed_sweep (EV_P_ ev_embed *w);
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EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w);
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EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w);
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EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w);
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# endif
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# if EV_ASYNC_ENABLE
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void ev_async_start (EV_P_ ev_async *w);
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void ev_async_stop (EV_P_ ev_async *w);
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void ev_async_send (EV_P_ ev_async *w);
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EV_API_DECL void ev_async_start (EV_P_ ev_async *w);
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EV_API_DECL void ev_async_stop (EV_P_ ev_async *w);
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EV_API_DECL void ev_async_send (EV_P_ ev_async *w);
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# endif
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#if EV_COMPAT3
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11
ev.pod
11
ev.pod
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@ -4654,6 +4654,17 @@ when you use C<-Wl,--gc-sections -ffunction-sections>) functions unused by
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your program might be left out as well - a binary starting a timer and an
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I/O watcher then might come out at only 5Kb.
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=item EV_API_STATIC
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If this symbol is defined (by default it is not), then all identifiers
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will have static linkage. This means that libev will not export any
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identifiers, and you cannot link against libev anymore. This can be useful
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when you embed libev, only want to use libev functions in a single file,
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and do not want its identifiers to be visible.
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To use this, define C<EV_API_STATIC> and include F<ev.c> in the file that
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wants to use libev.
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=item EV_AVOID_STDIO
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If this is set to C<1> at compiletime, then libev will avoid using stdio
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