From 2dff0867c6069c41ede598cd78bb2d5223fde025 Mon Sep 17 00:00:00 2001 From: root Date: Mon, 12 Nov 2007 00:31:08 +0000 Subject: rewrite seletc backend, port again to msvc --- ev.c | 108 ++++++++++++++++++++++++++++++++++--------------------------------- 1 file changed, 55 insertions(+), 53 deletions(-) (limited to 'ev.c') diff --git a/ev.c b/ev.c index 4812c40..89c0929 100644 --- a/ev.c +++ b/ev.c @@ -77,11 +77,18 @@ extern "C" { #include -#ifndef WIN32 +#ifndef _WIN32 # include # include # include +#else +# define WIN32_LEAN_AND_MEAN +# include +# ifndef EV_SELECT_IS_WINSOCKET +# define EV_SELECT_IS_WINSOCKET 1 +# endif #endif + /**/ #ifndef EV_USE_MONOTONIC @@ -104,16 +111,6 @@ extern "C" { # define EV_USE_KQUEUE 0 #endif -#ifndef EV_USE_WIN32 -# ifdef WIN32 -# define EV_USE_WIN32 0 /* it does not exist, use select */ -# undef EV_USE_SELECT -# define EV_USE_SELECT 1 -# else -# define EV_USE_WIN32 0 -# endif -#endif - #ifndef EV_USE_REALTIME # define EV_USE_REALTIME 1 #endif @@ -130,6 +127,10 @@ extern "C" { # define EV_USE_REALTIME 0 #endif +#if EV_SELECT_IS_WINSOCKET +# include +#endif + /**/ #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ @@ -157,13 +158,15 @@ extern "C" { #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) #define ABSPRI(w) ((w)->priority - EV_MINPRI) +#define EMPTY /* required for microsofts broken pseudo-c compiler */ + typedef struct ev_watcher *W; typedef struct ev_watcher_list *WL; typedef struct ev_watcher_time *WT; static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ -#ifdef WIN32 +#ifdef _WIN32 # include "ev_win32.c" #endif @@ -222,6 +225,9 @@ typedef struct WL head; unsigned char events; unsigned char reify; +#if EV_SELECT_IS_WINSOCKET + SOCKET handle; +#endif } ANFD; typedef struct @@ -320,11 +326,6 @@ ev_now (EV_P) fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ } -/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ -/* bringing us everlasting joy in form of stupid extra macros that are not required in C */ -#define array_free_microshit(stem) \ - ev_free (stem ## s); stem ## cnt = stem ## max = 0; - #define array_free(stem, idx) \ ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; @@ -408,6 +409,15 @@ fd_reify (EV_P) for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) events |= w->events; +#if EV_SELECT_IS_WINSOCKET + if (events) + { + unsigned long argp; + anfd->handle = _get_osfhandle (fd); + assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); + } +#endif + anfd->reify = 0; method_modify (EV_A_ fd, anfd->events, events); @@ -445,8 +455,8 @@ fd_kill (EV_P_ int fd) static int fd_valid (int fd) { -#ifdef WIN32 - return !!win32_get_osfhandle (fd); +#ifdef _WIN32 + return _get_osfhandle (fd) != -1; #else return fcntl (fd, F_GETFD) != -1; #endif @@ -573,7 +583,7 @@ signals_init (ANSIG *base, int count) static void sighandler (int signum) { -#if WIN32 +#if _WIN32 signal (signum, sighandler); #endif @@ -583,11 +593,7 @@ sighandler (int signum) { int old_errno = errno; gotsig = 1; -#ifdef WIN32 - send (sigpipe [1], &signum, 1, MSG_DONTWAIT); -#else write (sigpipe [1], &signum, 1); -#endif errno = old_errno; } } @@ -617,11 +623,7 @@ sigcb (EV_P_ struct ev_io *iow, int revents) { int signum; -#ifdef WIN32 - recv (sigpipe [0], &revents, 1, MSG_DONTWAIT); -#else read (sigpipe [0], &revents, 1); -#endif gotsig = 0; for (signum = signalmax; signum--; ) @@ -629,17 +631,23 @@ sigcb (EV_P_ struct ev_io *iow, int revents) ev_feed_signal_event (EV_A_ signum + 1); } +inline void +fd_intern (int fd) +{ +#ifdef _WIN32 + int arg = 1; + ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); +#else + fcntl (fd, F_SETFD, FD_CLOEXEC); + fcntl (fd, F_SETFL, O_NONBLOCK); +#endif +} + static void siginit (EV_P) { -#ifndef WIN32 - fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); - fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); - - /* rather than sort out wether we really need nb, set it */ - fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); - fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); -#endif + fd_intern (sigpipe [0]); + fd_intern (sigpipe [1]); ev_io_set (&sigev, sigpipe [0], EV_READ); ev_io_start (EV_A_ &sigev); @@ -650,7 +658,7 @@ siginit (EV_P) static struct ev_child *childs [PID_HASHSIZE]; -#ifndef WIN32 +#ifndef _WIN32 static struct ev_signal childev; @@ -721,7 +729,7 @@ ev_version_minor (void) static int enable_secure (void) { -#ifdef WIN32 +#ifdef _WIN32 return 0; #else return getuid () != geteuid () @@ -760,9 +768,6 @@ loop_init (EV_P_ int methods) methods = EVMETHOD_ANY; method = 0; -#if EV_USE_WIN32 - if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); -#endif #if EV_USE_KQUEUE if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); #endif @@ -786,9 +791,6 @@ loop_destroy (EV_P) { int i; -#if EV_USE_WIN32 - if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); -#endif #if EV_USE_KQUEUE if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); #endif @@ -806,14 +808,14 @@ loop_destroy (EV_P) array_free (pending, [i]); /* have to use the microsoft-never-gets-it-right macro */ - array_free_microshit (fdchange); - array_free_microshit (timer); + array_free (fdchange, EMPTY); + array_free (timer, EMPTY); #if EV_PERIODICS - array_free_microshit (periodic); + array_free (periodic, EMPTY); #endif - array_free_microshit (idle); - array_free_microshit (prepare); - array_free_microshit (check); + array_free (idle, EMPTY); + array_free (prepare, EMPTY); + array_free (check, EMPTY); method = 0; } @@ -902,7 +904,7 @@ ev_default_loop (int methods) { siginit (EV_A); -#ifndef WIN32 +#ifndef _WIN32 ev_signal_init (&childev, childcb, SIGCHLD); ev_set_priority (&childev, EV_MAXPRI); ev_signal_start (EV_A_ &childev); @@ -923,7 +925,7 @@ ev_default_destroy (void) struct ev_loop *loop = default_loop; #endif -#ifndef WIN32 +#ifndef _WIN32 ev_ref (EV_A); /* child watcher */ ev_signal_stop (EV_A_ &childev); #endif @@ -1513,7 +1515,7 @@ ev_signal_start (EV_P_ struct ev_signal *w) if (!((WL)w)->next) { -#if WIN32 +#if _WIN32 signal (w->signum, sighandler); #else struct sigaction sa; -- cgit v1.2.3