… | |
… | |
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 | |
43 | static unsigned char *vec_ri, *vec_ro, *vec_wi, *vec_wo; |
|
|
44 | static int vec_max; |
|
|
45 | |
|
|
46 | static void |
45 | static void |
47 | select_modify (int fd, int oev, int nev) |
46 | select_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 | |
75 | static void |
74 | static void |
76 | select_poll (ev_tstamp timeout) |
75 | select_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 | |
123 | static void |
124 | static int |
124 | select_init (int flags) |
125 | select_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 | |