X-Git-Url: https://git.llucax.com/software/libev.git/blobdiff_plain/fba9dbfff2d57fa7b0fca7b4d033e1df87f003b1..0ffac6413d8a4f24745442b7ecae189178e2ee03:/ev.c diff --git a/ev.c b/ev.c index 14046a2..76dc021 100644 --- a/ev.c +++ b/ev.c @@ -28,6 +28,11 @@ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +#ifdef __cplusplus +extern "C" { +#endif + #ifndef EV_STANDALONE # include "config.h" @@ -48,7 +53,7 @@ # define EV_USE_EPOLL 1 # endif -# if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H +# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H # define EV_USE_KQUEUE 1 # endif @@ -223,6 +228,7 @@ typedef struct struct ev_loop { + ev_tstamp ev_rt_now; #define VAR(name,decl) decl; #include "ev_vars.h" #undef VAR @@ -234,6 +240,7 @@ typedef struct #else + ev_tstamp ev_rt_now; #define VAR(name,decl) static decl; #include "ev_vars.h" #undef VAR @@ -273,11 +280,13 @@ get_clock (void) return ev_time (); } +#if EV_MULTIPLICITY ev_tstamp ev_now (EV_P) { - return rt_now; + return ev_rt_now; } +#endif #define array_roundsize(type,n) ((n) | 4 & ~3) @@ -737,10 +746,10 @@ loop_init (EV_P_ int methods) } #endif - rt_now = ev_time (); + ev_rt_now = ev_time (); mn_now = get_clock (); now_floor = mn_now; - rtmn_diff = rt_now - mn_now; + rtmn_diff = ev_rt_now - mn_now; if (methods == EVMETHOD_AUTO) if (!enable_secure () && getenv ("LIBEV_METHODS")) @@ -993,7 +1002,7 @@ timers_reify (EV_P) static void periodics_reify (EV_P) { - while (periodiccnt && ((WT)periodics [0])->at <= rt_now) + while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) { struct ev_periodic *w = periodics [0]; @@ -1002,15 +1011,15 @@ periodics_reify (EV_P) /* first reschedule or stop timer */ if (w->reschedule_cb) { - ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, rt_now + 0.0001); + ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); - assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > rt_now)); + assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); downheap ((WT *)periodics, periodiccnt, 0); } else if (w->interval) { - ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; - assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); + ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; + assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); downheap ((WT *)periodics, periodiccnt, 0); } else @@ -1031,9 +1040,9 @@ periodics_reschedule (EV_P) struct ev_periodic *w = periodics [i]; if (w->reschedule_cb) - ((WT)w)->at = w->reschedule_cb (w, rt_now); + ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); else if (w->interval) - ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; + ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; } /* now rebuild the heap */ @@ -1048,13 +1057,13 @@ time_update_monotonic (EV_P) if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) { - rt_now = rtmn_diff + mn_now; + ev_rt_now = rtmn_diff + mn_now; return 0; } else { now_floor = mn_now; - rt_now = ev_time (); + ev_rt_now = ev_time (); return 1; } } @@ -1073,12 +1082,12 @@ time_update (EV_P) for (i = 4; --i; ) /* loop a few times, before making important decisions */ { - rtmn_diff = rt_now - mn_now; + rtmn_diff = ev_rt_now - mn_now; if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) return; /* all is well */ - rt_now = ev_time (); + ev_rt_now = ev_time (); mn_now = get_clock (); now_floor = mn_now; } @@ -1091,18 +1100,18 @@ time_update (EV_P) else #endif { - rt_now = ev_time (); + ev_rt_now = ev_time (); - if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) + if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) { periodics_reschedule (EV_A); /* adjust timers. this is easy, as the offset is the same for all */ for (i = 0; i < timercnt; ++i) - ((WT)timers [i])->at += rt_now - mn_now; + ((WT)timers [i])->at += ev_rt_now - mn_now; } - mn_now = rt_now; + mn_now = ev_rt_now; } } @@ -1152,8 +1161,8 @@ ev_loop (EV_P_ int flags) else #endif { - rt_now = ev_time (); - mn_now = rt_now; + ev_rt_now = ev_time (); + mn_now = ev_rt_now; } if (flags & EVLOOP_NONBLOCK || idlecnt) @@ -1170,7 +1179,7 @@ ev_loop (EV_P_ int flags) if (periodiccnt) { - ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; + ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; if (block > to) block = to; } @@ -1179,7 +1188,7 @@ ev_loop (EV_P_ int flags) method_poll (EV_A_ block); - /* update rt_now, do magic */ + /* update ev_rt_now, do magic */ time_update (EV_A); /* queue pending timers and reschedule them */ @@ -1350,12 +1359,12 @@ ev_periodic_start (EV_P_ struct ev_periodic *w) return; if (w->reschedule_cb) - ((WT)w)->at = w->reschedule_cb (w, rt_now); + ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); else if (w->interval) { assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); /* this formula differs from the one in periodic_reify because we do not always round up */ - ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; + ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; } ev_start (EV_A_ (W)w, ++periodiccnt); @@ -1592,3 +1601,7 @@ ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, vo } } +#ifdef __cplusplus +} +#endif +