| … | |
… | |
| 40 | #endif |
40 | #endif |
| 41 | |
41 | |
| 42 | #include <string.h> |
42 | #include <string.h> |
| 43 | #include <inttypes.h> |
43 | #include <inttypes.h> |
| 44 | |
44 | |
| 45 | static unsigned char *vec_ri, *vec_ro, *vec_wi, *vec_wo; |
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| 46 | static int vec_max; |
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| 47 | |
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| 48 | static void |
45 | static void |
| 49 | select_modify (int fd, int oev, int nev) |
46 | select_modify (EV_P_ int fd, int oev, int nev) |
| 50 | { |
47 | { |
| 51 | int offs = fd >> 3; |
48 | int offs = fd >> 3; |
| 52 | int mask = 1 << (fd & 7); |
49 | int mask = 1 << (fd & 7); |
| 53 | |
50 | |
| 54 | if (vec_max < (fd >> 5) + 1) |
51 | if (vec_max < (fd >> 5) + 1) |
| … | |
… | |
| 73 | if (!(nev & EV_WRITE)) |
70 | if (!(nev & EV_WRITE)) |
| 74 | vec_wi [offs] &= ~mask; |
71 | vec_wi [offs] &= ~mask; |
| 75 | } |
72 | } |
| 76 | |
73 | |
| 77 | static void |
74 | static void |
| 78 | select_poll (ev_tstamp timeout) |
75 | select_poll (EV_P_ ev_tstamp timeout) |
| 79 | { |
76 | { |
| 80 | struct timeval tv; |
77 | struct timeval tv; |
| 81 | int res; |
78 | int res; |
| 82 | |
79 | |
| 83 | memcpy (vec_ro, vec_ri, vec_max * 4); |
80 | memcpy (vec_ro, vec_ri, vec_max * 4); |
| … | |
… | |
| 108 | int events = 0; |
105 | int events = 0; |
| 109 | events |= byte_r & (1 << bit) ? EV_READ : 0; |
106 | events |= byte_r & (1 << bit) ? EV_READ : 0; |
| 110 | events |= byte_w & (1 << bit) ? EV_WRITE : 0; |
107 | events |= byte_w & (1 << bit) ? EV_WRITE : 0; |
| 111 | |
108 | |
| 112 | if (events) |
109 | if (events) |
| 113 | fd_event (idx * 8 + bit, events); |
110 | fd_event (EV_A_ idx * 8 + bit, events); |
| 114 | } |
111 | } |
| 115 | } |
112 | } |
| 116 | } |
113 | } |
| 117 | } |
114 | } |
| 118 | else if (res < 0) |
115 | else if (res < 0) |
| 119 | { |
116 | { |
| 120 | if (errno == EBADF) |
117 | if (errno == EBADF) |
| 121 | fd_ebadf (); |
118 | fd_ebadf (EV_A); |
| 122 | else if (errno == ENOMEM) |
119 | else if (errno == ENOMEM) |
| 123 | fd_enomem (); |
120 | fd_enomem (EV_A); |
| 124 | } |
121 | } |
| 125 | } |
122 | } |
| 126 | |
123 | |
| 127 | static void |
124 | static int |
| 128 | select_init (int flags) |
125 | select_init (EV_P_ int flags) |
| 129 | { |
126 | { |
| 130 | ev_method = EVMETHOD_SELECT; |
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| 131 | 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 */ |
| 132 | method_modify = select_modify; |
128 | method_modify = select_modify; |
| 133 | method_poll = select_poll; |
129 | method_poll = select_poll; |
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130 | |
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131 | return EVMETHOD_SELECT; |
| 134 | } |
132 | } |
| 135 | |
133 | |
