… | |
… | |
53 | |
53 | |
54 | if (vec_max < (fd >> 5) + 1) |
54 | if (vec_max < (fd >> 5) + 1) |
55 | { |
55 | { |
56 | int new_max = (fd >> 5) + 1; |
56 | int new_max = (fd >> 5) + 1; |
57 | |
57 | |
58 | vec_ri = (unsigned char *)realloc (vec_ri, new_max * 4); |
58 | vec_ri = (unsigned char *)ev_realloc (vec_ri, new_max * 4); |
59 | vec_ro = (unsigned char *)realloc (vec_ro, new_max * 4); /* could free/malloc */ |
59 | vec_ro = (unsigned char *)ev_realloc (vec_ro, new_max * 4); /* could free/malloc */ |
60 | vec_wi = (unsigned char *)realloc (vec_wi, new_max * 4); |
60 | vec_wi = (unsigned char *)ev_realloc (vec_wi, new_max * 4); |
61 | vec_wo = (unsigned char *)realloc (vec_wo, new_max * 4); /* could free/malloc */ |
61 | vec_wo = (unsigned char *)ev_realloc (vec_wo, new_max * 4); /* could free/malloc */ |
62 | |
62 | |
63 | for (; vec_max < new_max; ++vec_max) |
63 | for (; vec_max < new_max; ++vec_max) |
64 | ((uint32_t *)vec_ri)[vec_max] = |
64 | ((uint32_t *)vec_ri)[vec_max] = |
65 | ((uint32_t *)vec_wi)[vec_max] = 0; |
65 | ((uint32_t *)vec_wi)[vec_max] = 0; |
66 | } |
66 | } |
… | |
… | |
75 | } |
75 | } |
76 | |
76 | |
77 | static void |
77 | static void |
78 | select_poll (EV_P_ ev_tstamp timeout) |
78 | select_poll (EV_P_ ev_tstamp timeout) |
79 | { |
79 | { |
|
|
80 | int word, offs; |
80 | struct timeval tv; |
81 | struct timeval tv; |
81 | int res; |
82 | int res; |
82 | |
83 | |
83 | memcpy (vec_ro, vec_ri, vec_max * 4); |
84 | memcpy (vec_ro, vec_ri, vec_max * 4); |
84 | memcpy (vec_wo, vec_wi, vec_max * 4); |
85 | memcpy (vec_wo, vec_wi, vec_max * 4); |
… | |
… | |
86 | tv.tv_sec = (long)timeout; |
87 | tv.tv_sec = (long)timeout; |
87 | tv.tv_usec = (long)((timeout - (ev_tstamp)tv.tv_sec) * 1e6); |
88 | tv.tv_usec = (long)((timeout - (ev_tstamp)tv.tv_sec) * 1e6); |
88 | |
89 | |
89 | res = select (vec_max * 32, (fd_set *)vec_ro, (fd_set *)vec_wo, 0, &tv); |
90 | res = select (vec_max * 32, (fd_set *)vec_ro, (fd_set *)vec_wo, 0, &tv); |
90 | |
91 | |
91 | if (res > 0) |
92 | if (res < 0) |
92 | { |
|
|
93 | int word, offs; |
|
|
94 | |
|
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95 | for (word = vec_max; word--; ) |
|
|
96 | { |
|
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97 | if (((uint32_t *)vec_ro) [word] | ((uint32_t *)vec_wo) [word]) |
|
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98 | for (offs = 4; offs--; ) |
|
|
99 | { |
|
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100 | int idx = word * 4 + offs; |
|
|
101 | unsigned char byte_r = vec_ro [idx]; |
|
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102 | unsigned char byte_w = vec_wo [idx]; |
|
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103 | int bit; |
|
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104 | |
|
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105 | if (byte_r | byte_w) |
|
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106 | for (bit = 8; bit--; ) |
|
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107 | { |
|
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108 | int events = 0; |
|
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109 | events |= byte_r & (1 << bit) ? EV_READ : 0; |
|
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110 | events |= byte_w & (1 << bit) ? EV_WRITE : 0; |
|
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111 | |
|
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112 | if (events) |
|
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113 | fd_event (EV_A_ idx * 8 + bit, events); |
|
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114 | } |
|
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115 | } |
|
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116 | } |
|
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117 | } |
|
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118 | else if (res < 0) |
|
|
119 | { |
93 | { |
120 | if (errno == EBADF) |
94 | if (errno == EBADF) |
121 | fd_ebadf (EV_A); |
95 | fd_ebadf (EV_A); |
122 | else if (errno == ENOMEM) |
96 | else if (errno == ENOMEM && !syserr_cb) |
123 | fd_enomem (EV_A); |
97 | fd_enomem (EV_A); |
|
|
98 | else if (errno != EINTR) |
|
|
99 | syserr (); |
|
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100 | |
|
|
101 | return; |
|
|
102 | } |
|
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103 | |
|
|
104 | for (word = vec_max; word--; ) |
|
|
105 | { |
|
|
106 | if (((uint32_t *)vec_ro) [word] | ((uint32_t *)vec_wo) [word]) |
|
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107 | for (offs = 4; offs--; ) |
|
|
108 | { |
|
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109 | int idx = word * 4 + offs; |
|
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110 | unsigned char byte_r = vec_ro [idx]; |
|
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111 | unsigned char byte_w = vec_wo [idx]; |
|
|
112 | int bit; |
|
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113 | |
|
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114 | if (byte_r | byte_w) |
|
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115 | for (bit = 8; bit--; ) |
|
|
116 | { |
|
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117 | int events = 0; |
|
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118 | events |= byte_r & (1 << bit) ? EV_READ : 0; |
|
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119 | events |= byte_w & (1 << bit) ? EV_WRITE : 0; |
|
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120 | |
|
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121 | if (events) |
|
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122 | fd_event (EV_A_ idx * 8 + bit, events); |
|
|
123 | } |
|
|
124 | } |
124 | } |
125 | } |
125 | } |
126 | } |
126 | |
127 | |
127 | static int |
128 | static int |
128 | select_init (EV_P_ int flags) |
129 | select_init (EV_P_ int flags) |
… | |
… | |
141 | } |
142 | } |
142 | |
143 | |
143 | static void |
144 | static void |
144 | select_destroy (EV_P) |
145 | select_destroy (EV_P) |
145 | { |
146 | { |
146 | free (vec_ri); |
147 | ev_free (vec_ri); |
147 | free (vec_ro); |
148 | ev_free (vec_ro); |
148 | free (vec_wi); |
149 | ev_free (vec_wi); |
149 | free (vec_wo); |
150 | ev_free (vec_wo); |
150 | } |
151 | } |
151 | |
152 | |
152 | |
153 | |