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/cvs/libev/ev_select.c
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Comparing libev/ev_select.c (file contents):
Revision 1.7 by root, Thu Nov 1 13:11:12 2007 UTC vs.
Revision 1.11 by root, Sun Nov 4 00:24:17 2007 UTC

33#include <sys/time.h> 33#include <sys/time.h>
34#include <sys/types.h> 34#include <sys/types.h>
35#include <unistd.h> 35#include <unistd.h>
36 36
37/* for unix systems */ 37/* for unix systems */
38#ifndef WIN32
38#include <sys/select.h> 39# include <sys/select.h>
40#endif
39 41
40#include <string.h> 42#include <string.h>
41#include <inttypes.h> 43#include <inttypes.h>
42 44
43static unsigned char *vec_ri, *vec_ro, *vec_wi, *vec_wo;
44static int vec_max;
45
46static void 45static void
47select_modify (int fd, int oev, int nev) 46select_modify (EV_P_ int fd, int oev, int nev)
48{ 47{
49 int offs = fd >> 3; 48 int offs = fd >> 3;
50 int mask = 1 << (fd & 7); 49 int mask = 1 << (fd & 7);
51 50
52 if (vec_max < (fd >> 5) + 1) 51 if (vec_max < (fd >> 5) + 1)
71 if (!(nev & EV_WRITE)) 70 if (!(nev & EV_WRITE))
72 vec_wi [offs] &= ~mask; 71 vec_wi [offs] &= ~mask;
73} 72}
74 73
75static void 74static void
76select_poll (ev_tstamp timeout) 75select_poll (EV_P_ ev_tstamp timeout)
77{ 76{
78 struct timeval tv; 77 struct timeval tv;
79 int res; 78 int res;
80 79
81 memcpy (vec_ro, vec_ri, vec_max * 4); 80 memcpy (vec_ro, vec_ri, vec_max * 4);
106 int events = 0; 105 int events = 0;
107 events |= byte_r & (1 << bit) ? EV_READ : 0; 106 events |= byte_r & (1 << bit) ? EV_READ : 0;
108 events |= byte_w & (1 << bit) ? EV_WRITE : 0; 107 events |= byte_w & (1 << bit) ? EV_WRITE : 0;
109 108
110 if (events) 109 if (events)
111 fd_event (idx * 8 + bit, events); 110 fd_event (EV_A_ idx * 8 + bit, events);
112 } 111 }
113 } 112 }
114 } 113 }
115 } 114 }
116 else if (res < 0) 115 else if (res < 0)
117 { 116 {
118 if (errno == EBADF) 117 if (errno == EBADF)
119 fd_recheck (); 118 fd_ebadf (EV_A);
119 else if (errno == ENOMEM)
120 fd_enomem (EV_A);
120 } 121 }
121} 122}
122 123
123static void 124static int
124select_init (int flags) 125select_init (EV_P_ int flags)
125{ 126{
126 ev_method = EVMETHOD_SELECT;
127 method_fudge = 1e-2; /* needed to compensate for select returning early, very conservative */ 127 method_fudge = 1e-2; /* needed to compensate for select returning early, very conservative */
128 method_modify = select_modify; 128 method_modify = select_modify;
129 method_poll = select_poll; 129 method_poll = select_poll;
130
131 return EVMETHOD_SELECT;
130} 132}
131 133

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