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Comparing libev/ev.c (file contents):
Revision 1.353 by root, Thu Oct 21 12:32:47 2010 UTC vs.
Revision 1.358 by root, Sun Oct 24 14:44:40 2010 UTC

… …
35 * and other provisions required by the GPL. If you do not delete the 35 * and other provisions required by the GPL. If you do not delete the
36 * provisions above, a recipient may use your version of this file under 36 * provisions above, a recipient may use your version of this file under
37 * either the BSD or the GPL. 37 * either the BSD or the GPL.
38 */ 38 */
39 39
40#ifdef __cplusplus
41extern "C" {
42#endif
43
44/* this big block deduces configuration from config.h */ 40/* this big block deduces configuration from config.h */
45#ifndef EV_STANDALONE 41#ifndef EV_STANDALONE
46# ifdef EV_CONFIG_H 42# ifdef EV_CONFIG_H
47# include EV_CONFIG_H 43# include EV_CONFIG_H
48# else 44# else
… …
182# include EV_H 178# include EV_H
183#else 179#else
184# include "ev.h" 180# include "ev.h"
185#endif 181#endif
186 182
183EV_CPP(extern "C" {)
184
187#ifndef _WIN32 185#ifndef _WIN32
188# include <sys/time.h> 186# include <sys/time.h>
189# include <sys/wait.h> 187# include <sys/wait.h>
190# include <unistd.h> 188# include <unistd.h>
191#else 189#else
… …
384# include <sys/select.h> 382# include <sys/select.h>
385# endif 383# endif
386#endif 384#endif
387 385
388#if EV_USE_INOTIFY 386#if EV_USE_INOTIFY
389# include <sys/utsname.h>
390# include <sys/statfs.h> 387# include <sys/statfs.h>
391# include <sys/inotify.h> 388# include <sys/inotify.h>
392/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 389/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
393# ifndef IN_DONT_FOLLOW 390# ifndef IN_DONT_FOLLOW
394# undef EV_USE_INOTIFY 391# undef EV_USE_INOTIFY
… …
411# define EFD_CLOEXEC O_CLOEXEC 408# define EFD_CLOEXEC O_CLOEXEC
412# else 409# else
413# define EFD_CLOEXEC 02000000 410# define EFD_CLOEXEC 02000000
414# endif 411# endif
415# endif 412# endif
416# ifdef __cplusplus
417extern "C" {
418# endif
419int (eventfd) (unsigned int initval, int flags); 413EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
420# ifdef __cplusplus
421}
422# endif
423#endif 414#endif
424 415
425#if EV_USE_SIGNALFD 416#if EV_USE_SIGNALFD
426/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 417/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
427# include <stdint.h> 418# include <stdint.h>
… …
433# define SFD_CLOEXEC O_CLOEXEC 424# define SFD_CLOEXEC O_CLOEXEC
434# else 425# else
435# define SFD_CLOEXEC 02000000 426# define SFD_CLOEXEC 02000000
436# endif 427# endif
437# endif 428# endif
438# ifdef __cplusplus
439extern "C" {
440# endif
441int signalfd (int fd, const sigset_t *mask, int flags); 429EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
442 430
443struct signalfd_siginfo 431struct signalfd_siginfo
444{ 432{
445 uint32_t ssi_signo; 433 uint32_t ssi_signo;
446 char pad[128 - sizeof (uint32_t)]; 434 char pad[128 - sizeof (uint32_t)];
447}; 435};
448# ifdef __cplusplus
449}
450# endif
451#endif 436#endif
452 437
453/**/ 438/**/
454 439
455#if EV_VERIFY >= 3 440#if EV_VERIFY >= 3
… …
537# include "ev_win32.c" 522# include "ev_win32.c"
538#endif 523#endif
539 524
540/*****************************************************************************/ 525/*****************************************************************************/
541 526
527#ifdef __linux
528# include <sys/utsname.h>
529#endif
530
531static unsigned int noinline
532ev_linux_version (void)
533{
534#ifdef __linux
535 struct utsname buf;
536 unsigned int v;
537 int i;
538 char *p = buf.release;
539
540 if (uname (&buf))
541 return 0;
542
543 for (i = 3+1; --i; )
544 {
545 unsigned int c = 0;
546
547 for (;;)
548 {
549 if (*p >= '0' && *p <= '9')
550 c = c * 10 + *p++ - '0';
551 else
552 {
553 p += *p == '.';
554 break;
555 }
556 }
557
558 v = (v << 8) | c;
559 }
560
561 return v;
562#else
563 return 0;
564#endif
565}
566
567/*****************************************************************************/
568
542#if EV_AVOID_STDIO 569#if EV_AVOID_STDIO
543static void noinline 570static void noinline
544ev_printerr (const char *msg) 571ev_printerr (const char *msg)
545{ 572{
546 write (STDERR_FILENO, msg, strlen (msg)); 573 write (STDERR_FILENO, msg, strlen (msg));
… …
641 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 668 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
642 unsigned char unused; 669 unsigned char unused;
643#if EV_USE_EPOLL 670#if EV_USE_EPOLL
644 unsigned int egen; /* generation counter to counter epoll bugs */ 671 unsigned int egen; /* generation counter to counter epoll bugs */
645#endif 672#endif
646#if EV_SELECT_IS_WINSOCKET 673#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
647 SOCKET handle; 674 SOCKET handle;
675#endif
676#if EV_USE_IOCP
677 OVERLAPPED or, ow;
648#endif 678#endif
649} ANFD; 679} ANFD;
650 680
651/* stores the pending event set for a given watcher */ 681/* stores the pending event set for a given watcher */
652typedef struct 682typedef struct
… …
948 unsigned char o_events = anfd->events; 978 unsigned char o_events = anfd->events;
949 unsigned char o_reify = anfd->reify; 979 unsigned char o_reify = anfd->reify;
950 980
951 anfd->reify = 0; 981 anfd->reify = 0;
952 982
953#if EV_SELECT_IS_WINSOCKET 983#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
954 if (o_reify & EV__IOFDSET) 984 if (o_reify & EV__IOFDSET)
955 { 985 {
956 unsigned long arg; 986 unsigned long arg;
957 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 987 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
958 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 988 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
989 printf ("oi %d %x\n", fd, anfd->handle);//D
959 } 990 }
960#endif 991#endif
961 992
962 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 993 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
963 { 994 {
… …
1462 1493
1463#endif 1494#endif
1464 1495
1465/*****************************************************************************/ 1496/*****************************************************************************/
1466 1497
1498#if EV_USE_IOCP
1499# include "ev_iocp.c"
1500#endif
1467#if EV_USE_PORT 1501#if EV_USE_PORT
1468# include "ev_port.c" 1502# include "ev_port.c"
1469#endif 1503#endif
1470#if EV_USE_KQUEUE 1504#if EV_USE_KQUEUE
1471# include "ev_kqueue.c" 1505# include "ev_kqueue.c"
… …
1544ev_embeddable_backends (void) 1578ev_embeddable_backends (void)
1545{ 1579{
1546 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 1580 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1547 1581
1548 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 1582 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1549 /* please fix it and tell me how to detect the fix */ 1583 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1550 flags &= ~EVBACKEND_EPOLL; 1584 flags &= ~EVBACKEND_EPOLL;
1551 1585
1552 return flags; 1586 return flags;
1553} 1587}
1554 1588
1555unsigned int 1589unsigned int
… …
1668#endif 1702#endif
1669 1703
1670 if (!(flags & 0x0000ffffU)) 1704 if (!(flags & 0x0000ffffU))
1671 flags |= ev_recommended_backends (); 1705 flags |= ev_recommended_backends ();
1672 1706
1707#if EV_USE_IOCP
1708 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1709#endif
1673#if EV_USE_PORT 1710#if EV_USE_PORT
1674 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1711 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1675#endif 1712#endif
1676#if EV_USE_KQUEUE 1713#if EV_USE_KQUEUE
1677 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 1714 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
… …
1729#endif 1766#endif
1730 1767
1731 if (backend_fd >= 0) 1768 if (backend_fd >= 0)
1732 close (backend_fd); 1769 close (backend_fd);
1733 1770
1771#if EV_USE_IOCP
1772 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
1773#endif
1734#if EV_USE_PORT 1774#if EV_USE_PORT
1735 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 1775 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1736#endif 1776#endif
1737#if EV_USE_KQUEUE 1777#if EV_USE_KQUEUE
1738 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 1778 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
… …
1966} 2006}
1967#endif 2007#endif
1968 2008
1969#if EV_MULTIPLICITY 2009#if EV_MULTIPLICITY
1970struct ev_loop * 2010struct ev_loop *
1971ev_default_loop_init (unsigned int flags)
1972#else 2011#else
1973int 2012int
2013#endif
1974ev_default_loop (unsigned int flags) 2014ev_default_loop (unsigned int flags)
1975#endif
1976{ 2015{
1977 if (!ev_default_loop_ptr) 2016 if (!ev_default_loop_ptr)
1978 { 2017 {
1979#if EV_MULTIPLICITY 2018#if EV_MULTIPLICITY
1980 EV_P = ev_default_loop_ptr = &default_loop_struct; 2019 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
3062 { 3101 {
3063 struct inotify_event *ev = (struct inotify_event *)(buf + ofs); 3102 struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
3064 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3103 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3065 ofs += sizeof (struct inotify_event) + ev->len; 3104 ofs += sizeof (struct inotify_event) + ev->len;
3066 } 3105 }
3067}
3068
3069inline_size unsigned int
3070ev_linux_version (void)
3071{
3072 struct utsname buf;
3073 unsigned int v;
3074 int i;
3075 char *p = buf.release;
3076
3077 if (uname (&buf))
3078 return 0;
3079
3080 for (i = 3+1; --i; )
3081 {
3082 unsigned int c = 0;
3083
3084 for (;;)
3085 {
3086 if (*p >= '0' && *p <= '9')
3087 c = c * 10 + *p++ - '0';
3088 else
3089 {
3090 p += *p == '.';
3091 break;
3092 }
3093 }
3094
3095 v = (v << 8) | c;
3096 }
3097
3098 return v;
3099} 3106}
3100 3107
3101inline_size void 3108inline_size void
3102ev_check_2625 (EV_P) 3109ev_check_2625 (EV_P)
3103{ 3110{
… …
3807 3814
3808#if EV_MULTIPLICITY 3815#if EV_MULTIPLICITY
3809 #include "ev_wrap.h" 3816 #include "ev_wrap.h"
3810#endif 3817#endif
3811 3818
3812#ifdef __cplusplus 3819EV_CPP(})
3813}
3814#endif
3815 3820

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