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Comparing libev/ev.c (file contents):
Revision 1.41 by root, Fri Nov 2 16:54:34 2007 UTC vs.
Revision 1.46 by root, Sat Nov 3 09:20:12 2007 UTC

42#include <stdio.h> 42#include <stdio.h>
43 43
44#include <assert.h> 44#include <assert.h>
45#include <errno.h> 45#include <errno.h>
46#include <sys/types.h> 46#include <sys/types.h>
47#ifndef WIN32
47#include <sys/wait.h> 48# include <sys/wait.h>
49#endif
48#include <sys/time.h> 50#include <sys/time.h>
49#include <time.h> 51#include <time.h>
50 52
51/**/ 53/**/
52 54
62# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ 64# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */
63#endif 65#endif
64 66
65#ifndef EV_USE_EPOLL 67#ifndef EV_USE_EPOLL
66# define EV_USE_EPOLL 0 68# define EV_USE_EPOLL 0
69#endif
70
71#ifndef EV_USE_KQUEUE
72# define EV_USE_KQUEUE 0
67#endif 73#endif
68 74
69#ifndef EV_USE_REALTIME 75#ifndef EV_USE_REALTIME
70# define EV_USE_REALTIME 1 76# define EV_USE_REALTIME 1
71#endif 77#endif
99# define inline static 105# define inline static
100#endif 106#endif
101 107
102#define expect_false(expr) expect ((expr) != 0, 0) 108#define expect_false(expr) expect ((expr) != 0, 0)
103#define expect_true(expr) expect ((expr) != 0, 1) 109#define expect_true(expr) expect ((expr) != 0, 1)
110
111#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
112#define ABSPRI(w) ((w)->priority - EV_MINPRI)
104 113
105typedef struct ev_watcher *W; 114typedef struct ev_watcher *W;
106typedef struct ev_watcher_list *WL; 115typedef struct ev_watcher_list *WL;
107typedef struct ev_watcher_time *WT; 116typedef struct ev_watcher_time *WT;
108 117
193{ 202{
194 W w; 203 W w;
195 int events; 204 int events;
196} ANPENDING; 205} ANPENDING;
197 206
198static ANPENDING *pendings; 207static ANPENDING *pendings [NUMPRI];
199static int pendingmax, pendingcnt; 208static int pendingmax [NUMPRI], pendingcnt [NUMPRI];
200 209
201static void 210static void
202event (W w, int events) 211event (W w, int events)
203{ 212{
204 if (w->pending) 213 if (w->pending)
205 { 214 {
206 pendings [w->pending - 1].events |= events; 215 pendings [ABSPRI (w)][w->pending - 1].events |= events;
207 return; 216 return;
208 } 217 }
209 218
210 w->pending = ++pendingcnt; 219 w->pending = ++pendingcnt [ABSPRI (w)];
211 array_needsize (pendings, pendingmax, pendingcnt, ); 220 array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );
212 pendings [pendingcnt - 1].w = w; 221 pendings [ABSPRI (w)][w->pending - 1].w = w;
213 pendings [pendingcnt - 1].events = events; 222 pendings [ABSPRI (w)][w->pending - 1].events = events;
214} 223}
215 224
216static void 225static void
217queue_events (W *events, int eventcnt, int type) 226queue_events (W *events, int eventcnt, int type)
218{ 227{
431} 440}
432 441
433static void 442static void
434siginit (void) 443siginit (void)
435{ 444{
445#ifndef WIN32
436 fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); 446 fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
437 fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); 447 fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
438 448
439 /* rather than sort out wether we really need nb, set it */ 449 /* rather than sort out wether we really need nb, set it */
440 fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); 450 fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
441 fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); 451 fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
452#endif
442 453
443 ev_io_set (&sigev, sigpipe [0], EV_READ); 454 ev_io_set (&sigev, sigpipe [0], EV_READ);
444 ev_io_start (&sigev); 455 ev_io_start (&sigev);
445} 456}
446 457
457 468
458/*****************************************************************************/ 469/*****************************************************************************/
459 470
460static struct ev_child *childs [PID_HASHSIZE]; 471static struct ev_child *childs [PID_HASHSIZE];
461static struct ev_signal childev; 472static struct ev_signal childev;
473
474#ifndef WIN32
462 475
463#ifndef WCONTINUED 476#ifndef WCONTINUED
464# define WCONTINUED 0 477# define WCONTINUED 0
465#endif 478#endif
466 479
472 485
473 while ((pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)) != -1) 486 while ((pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)) != -1)
474 for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next) 487 for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)
475 if (w->pid == pid || !w->pid) 488 if (w->pid == pid || !w->pid)
476 { 489 {
490 w->rpid = pid;
477 w->status = status; 491 w->rstatus = status;
478 event ((W)w, EV_CHILD); 492 event ((W)w, EV_CHILD);
479 } 493 }
480} 494}
481 495
482/*****************************************************************************/ 496#endif
483 497
498/*****************************************************************************/
499
500#if EV_USE_KQUEUE
501# include "ev_kqueue.c"
502#endif
484#if EV_USE_EPOLL 503#if EV_USE_EPOLL
485# include "ev_epoll.c" 504# include "ev_epoll.c"
486#endif 505#endif
487#if EV_USE_POLL 506#if EV_USE_POLL
488# include "ev_poll.c" 507# include "ev_poll.c"
536 methods = atoi (getenv ("LIBEV_METHODS")); 555 methods = atoi (getenv ("LIBEV_METHODS"));
537 else 556 else
538 methods = EVMETHOD_ANY; 557 methods = EVMETHOD_ANY;
539 558
540 ev_method = 0; 559 ev_method = 0;
560#if EV_USE_KQUEUE
561 if (!ev_method && (methods & EVMETHOD_KQUEUE)) kqueue_init (methods);
562#endif
541#if EV_USE_EPOLL 563#if EV_USE_EPOLL
542 if (!ev_method && (methods & EVMETHOD_EPOLL )) epoll_init (methods); 564 if (!ev_method && (methods & EVMETHOD_EPOLL )) epoll_init (methods);
543#endif 565#endif
544#if EV_USE_POLL 566#if EV_USE_POLL
545 if (!ev_method && (methods & EVMETHOD_POLL )) poll_init (methods); 567 if (!ev_method && (methods & EVMETHOD_POLL )) poll_init (methods);
551 if (ev_method) 573 if (ev_method)
552 { 574 {
553 ev_watcher_init (&sigev, sigcb); 575 ev_watcher_init (&sigev, sigcb);
554 siginit (); 576 siginit ();
555 577
578#ifndef WIN32
556 ev_signal_init (&childev, childcb, SIGCHLD); 579 ev_signal_init (&childev, childcb, SIGCHLD);
557 ev_signal_start (&childev); 580 ev_signal_start (&childev);
581#endif
558 } 582 }
559 } 583 }
560 584
561 return ev_method; 585 return ev_method;
562} 586}
593/*****************************************************************************/ 617/*****************************************************************************/
594 618
595static void 619static void
596call_pending (void) 620call_pending (void)
597{ 621{
622 int pri;
623
624 for (pri = NUMPRI; pri--; )
598 while (pendingcnt) 625 while (pendingcnt [pri])
599 { 626 {
600 ANPENDING *p = pendings + --pendingcnt; 627 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
601 628
602 if (p->w) 629 if (p->w)
603 { 630 {
604 p->w->pending = 0; 631 p->w->pending = 0;
605 p->w->cb (p->w, p->events); 632 p->w->cb (p->w, p->events);
606 } 633 }
607 } 634 }
608} 635}
609 636
610static void 637static void
611timers_reify (void) 638timers_reify (void)
612{ 639{
844static void 871static void
845ev_clear_pending (W w) 872ev_clear_pending (W w)
846{ 873{
847 if (w->pending) 874 if (w->pending)
848 { 875 {
849 pendings [w->pending - 1].w = 0; 876 pendings [ABSPRI (w)][w->pending - 1].w = 0;
850 w->pending = 0; 877 w->pending = 0;
851 } 878 }
852} 879}
853 880
854static void 881static void
855ev_start (W w, int active) 882ev_start (W w, int active)
856{ 883{
884 if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
885 if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
886
857 w->active = active; 887 w->active = active;
858} 888}
859 889
860static void 890static void
861ev_stop (W w) 891ev_stop (W w)

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