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Comparing libev/ev.c (file contents):
Revision 1.70 by root, Tue Nov 6 00:52:32 2007 UTC vs.
Revision 1.73 by root, Tue Nov 6 16:27:10 2007 UTC

54 54
55#endif 55#endif
56 56
57#include <math.h> 57#include <math.h>
58#include <stdlib.h> 58#include <stdlib.h>
59#include <unistd.h>
60#include <fcntl.h> 59#include <fcntl.h>
61#include <signal.h>
62#include <stddef.h> 60#include <stddef.h>
63 61
64#include <stdio.h> 62#include <stdio.h>
65 63
66#include <assert.h> 64#include <assert.h>
67#include <errno.h> 65#include <errno.h>
68#include <sys/types.h> 66#include <sys/types.h>
67#include <time.h>
68
69#include <signal.h>
70
69#ifndef WIN32 71#ifndef WIN32
72# include <unistd.h>
73# include <sys/time.h>
70# include <sys/wait.h> 74# include <sys/wait.h>
71#endif 75#endif
72#include <sys/time.h>
73#include <time.h>
74
75/**/ 76/**/
76 77
77#ifndef EV_USE_MONOTONIC 78#ifndef EV_USE_MONOTONIC
78# define EV_USE_MONOTONIC 1 79# define EV_USE_MONOTONIC 1
79#endif 80#endif
94# define EV_USE_KQUEUE 0 95# define EV_USE_KQUEUE 0
95#endif 96#endif
96 97
97#ifndef EV_USE_WIN32 98#ifndef EV_USE_WIN32
98# ifdef WIN32 99# ifdef WIN32
100# define EV_USE_WIN32 0 /* it does not exist, use select */
101# undef EV_USE_SELECT
99# define EV_USE_WIN32 1 102# define EV_USE_SELECT 1
100# else 103# else
101# define EV_USE_WIN32 0 104# define EV_USE_WIN32 0
102# endif 105# endif
103#endif 106#endif
104 107
145typedef struct ev_watcher_list *WL; 148typedef struct ev_watcher_list *WL;
146typedef struct ev_watcher_time *WT; 149typedef struct ev_watcher_time *WT;
147 150
148static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 151static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
149 152
150#if WIN32 153#include "ev_win32.c"
151/* note: the comment below could not be substantiated, but what would I care */
152/* MSDN says this is required to handle SIGFPE */
153volatile double SIGFPE_REQ = 0.0f;
154#endif
155 154
156/*****************************************************************************/ 155/*****************************************************************************/
157 156
158static void (*syserr_cb)(const char *msg); 157static void (*syserr_cb)(const char *msg);
159 158
294 stem ## max = array_roundsize (stem ## cnt >> 1); \ 293 stem ## max = array_roundsize (stem ## cnt >> 1); \
295 base = ev_realloc (base, sizeof (*base) * (stem ## max)); \ 294 base = ev_realloc (base, sizeof (*base) * (stem ## max)); \
296 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ 295 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
297 } 296 }
298 297
298/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
299/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
300#define array_free_microshit(stem) \
301 ev_free (stem ## s); stem ## cnt = stem ## max = 0;
302
299#define array_free(stem, idx) \ 303#define array_free(stem, idx) \
300 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; 304 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
301 305
302/*****************************************************************************/ 306/*****************************************************************************/
303 307
322 pendings [ABSPRI (w)][w->pending - 1].events |= events; 326 pendings [ABSPRI (w)][w->pending - 1].events |= events;
323 return; 327 return;
324 } 328 }
325 329
326 w->pending = ++pendingcnt [ABSPRI (w)]; 330 w->pending = ++pendingcnt [ABSPRI (w)];
327 array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], ); 331 array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void));
328 pendings [ABSPRI (w)][w->pending - 1].w = w; 332 pendings [ABSPRI (w)][w->pending - 1].w = w;
329 pendings [ABSPRI (w)][w->pending - 1].events = events; 333 pendings [ABSPRI (w)][w->pending - 1].events = events;
330} 334}
331 335
332static void 336static void
387 return; 391 return;
388 392
389 anfds [fd].reify = 1; 393 anfds [fd].reify = 1;
390 394
391 ++fdchangecnt; 395 ++fdchangecnt;
392 array_needsize (fdchanges, fdchangemax, fdchangecnt, ); 396 array_needsize (fdchanges, fdchangemax, fdchangecnt, (void));
393 fdchanges [fdchangecnt - 1] = fd; 397 fdchanges [fdchangecnt - 1] = fd;
394} 398}
395 399
396static void 400static void
397fd_kill (EV_P_ int fd) 401fd_kill (EV_P_ int fd)
403 ev_io_stop (EV_A_ w); 407 ev_io_stop (EV_A_ w);
404 event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 408 event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
405 } 409 }
406} 410}
407 411
412static int
413fd_valid (int fd)
414{
415#ifdef WIN32
416 return !!win32_get_osfhandle (fd);
417#else
418 return fcntl (fd, F_GETFD) != -1;
419#endif
420}
421
408/* called on EBADF to verify fds */ 422/* called on EBADF to verify fds */
409static void 423static void
410fd_ebadf (EV_P) 424fd_ebadf (EV_P)
411{ 425{
412 int fd; 426 int fd;
413 427
414 for (fd = 0; fd < anfdmax; ++fd) 428 for (fd = 0; fd < anfdmax; ++fd)
415 if (anfds [fd].events) 429 if (anfds [fd].events)
416 if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) 430 if (!fd_valid (fd) == -1 && errno == EBADF)
417 fd_kill (EV_A_ fd); 431 fd_kill (EV_A_ fd);
418} 432}
419 433
420/* called on ENOMEM in select/poll to kill some fds and retry */ 434/* called on ENOMEM in select/poll to kill some fds and retry */
421static void 435static void
570 ev_unref (EV_A); /* child watcher should not keep loop alive */ 584 ev_unref (EV_A); /* child watcher should not keep loop alive */
571} 585}
572 586
573/*****************************************************************************/ 587/*****************************************************************************/
574 588
589static struct ev_child *childs [PID_HASHSIZE];
590
575#ifndef WIN32 591#ifndef WIN32
576 592
577static struct ev_child *childs [PID_HASHSIZE];
578static struct ev_signal childev; 593static struct ev_signal childev;
579 594
580#ifndef WCONTINUED 595#ifndef WCONTINUED
581# define WCONTINUED 0 596# define WCONTINUED 0
582#endif 597#endif
726#endif 741#endif
727 742
728 for (i = NUMPRI; i--; ) 743 for (i = NUMPRI; i--; )
729 array_free (pending, [i]); 744 array_free (pending, [i]);
730 745
746 /* have to use the microsoft-never-gets-it-right macro */
731 array_free (fdchange, ); 747 array_free_microshit (fdchange);
732 array_free (timer, ); 748 array_free_microshit (timer);
733 array_free (periodic, ); 749 array_free_microshit (periodic);
734 array_free (idle, ); 750 array_free_microshit (idle);
735 array_free (prepare, ); 751 array_free_microshit (prepare);
736 array_free (check, ); 752 array_free_microshit (check);
737 753
738 method = 0; 754 method = 0;
739} 755}
740 756
741static void 757static void
846{ 862{
847#if EV_MULTIPLICITY 863#if EV_MULTIPLICITY
848 struct ev_loop *loop = default_loop; 864 struct ev_loop *loop = default_loop;
849#endif 865#endif
850 866
867#ifndef WIN32
851 ev_ref (EV_A); /* child watcher */ 868 ev_ref (EV_A); /* child watcher */
852 ev_signal_stop (EV_A_ &childev); 869 ev_signal_stop (EV_A_ &childev);
870#endif
853 871
854 ev_ref (EV_A); /* signal watcher */ 872 ev_ref (EV_A); /* signal watcher */
855 ev_io_stop (EV_A_ &sigev); 873 ev_io_stop (EV_A_ &sigev);
856 874
857 close (sigpipe [0]); sigpipe [0] = 0; 875 close (sigpipe [0]); sigpipe [0] = 0;
1221 ((WT)w)->at += mn_now; 1239 ((WT)w)->at += mn_now;
1222 1240
1223 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 1241 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1224 1242
1225 ev_start (EV_A_ (W)w, ++timercnt); 1243 ev_start (EV_A_ (W)w, ++timercnt);
1226 array_needsize (timers, timermax, timercnt, ); 1244 array_needsize (timers, timermax, timercnt, (void));
1227 timers [timercnt - 1] = w; 1245 timers [timercnt - 1] = w;
1228 upheap ((WT *)timers, timercnt - 1); 1246 upheap ((WT *)timers, timercnt - 1);
1229 1247
1230 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); 1248 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1231} 1249}
1278 /* this formula differs from the one in periodic_reify because we do not always round up */ 1296 /* this formula differs from the one in periodic_reify because we do not always round up */
1279 if (w->interval) 1297 if (w->interval)
1280 ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; 1298 ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
1281 1299
1282 ev_start (EV_A_ (W)w, ++periodiccnt); 1300 ev_start (EV_A_ (W)w, ++periodiccnt);
1283 array_needsize (periodics, periodicmax, periodiccnt, ); 1301 array_needsize (periodics, periodicmax, periodiccnt, (void));
1284 periodics [periodiccnt - 1] = w; 1302 periodics [periodiccnt - 1] = w;
1285 upheap ((WT *)periodics, periodiccnt - 1); 1303 upheap ((WT *)periodics, periodiccnt - 1);
1286 1304
1287 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); 1305 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1288} 1306}
1310{ 1328{
1311 if (ev_is_active (w)) 1329 if (ev_is_active (w))
1312 return; 1330 return;
1313 1331
1314 ev_start (EV_A_ (W)w, ++idlecnt); 1332 ev_start (EV_A_ (W)w, ++idlecnt);
1315 array_needsize (idles, idlemax, idlecnt, ); 1333 array_needsize (idles, idlemax, idlecnt, (void));
1316 idles [idlecnt - 1] = w; 1334 idles [idlecnt - 1] = w;
1317} 1335}
1318 1336
1319void 1337void
1320ev_idle_stop (EV_P_ struct ev_idle *w) 1338ev_idle_stop (EV_P_ struct ev_idle *w)
1332{ 1350{
1333 if (ev_is_active (w)) 1351 if (ev_is_active (w))
1334 return; 1352 return;
1335 1353
1336 ev_start (EV_A_ (W)w, ++preparecnt); 1354 ev_start (EV_A_ (W)w, ++preparecnt);
1337 array_needsize (prepares, preparemax, preparecnt, ); 1355 array_needsize (prepares, preparemax, preparecnt, (void));
1338 prepares [preparecnt - 1] = w; 1356 prepares [preparecnt - 1] = w;
1339} 1357}
1340 1358
1341void 1359void
1342ev_prepare_stop (EV_P_ struct ev_prepare *w) 1360ev_prepare_stop (EV_P_ struct ev_prepare *w)
1354{ 1372{
1355 if (ev_is_active (w)) 1373 if (ev_is_active (w))
1356 return; 1374 return;
1357 1375
1358 ev_start (EV_A_ (W)w, ++checkcnt); 1376 ev_start (EV_A_ (W)w, ++checkcnt);
1359 array_needsize (checks, checkmax, checkcnt, ); 1377 array_needsize (checks, checkmax, checkcnt, (void));
1360 checks [checkcnt - 1] = w; 1378 checks [checkcnt - 1] = w;
1361} 1379}
1362 1380
1363void 1381void
1364ev_check_stop (EV_P_ struct ev_check *w) 1382ev_check_stop (EV_P_ struct ev_check *w)

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