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37 | static void |
37 | static void |
38 | kqueue_change (EV_P_ int fd, int filter, int flags, int fflags) |
38 | kqueue_change (EV_P_ int fd, int filter, int flags, int fflags) |
39 | { |
39 | { |
40 | struct kevent *ke; |
40 | struct kevent *ke; |
41 | |
41 | |
42 | array_needsize (kqueue_changes, kqueue_changemax, ++kqueue_changecnt, ); |
42 | array_needsize (struct kevent, kqueue_changes, kqueue_changemax, ++kqueue_changecnt, ); |
43 | |
43 | |
44 | ke = &kqueue_changes [kqueue_changecnt - 1]; |
44 | ke = &kqueue_changes [kqueue_changecnt - 1]; |
45 | memset (ke, 0, sizeof (struct kevent)); |
45 | memset (ke, 0, sizeof (struct kevent)); |
46 | ke->ident = fd; |
46 | ke->ident = fd; |
47 | ke->filter = filter; |
47 | ke->filter = filter; |
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… | |
57 | kqueue_modify (EV_P_ int fd, int oev, int nev) |
57 | kqueue_modify (EV_P_ int fd, int oev, int nev) |
58 | { |
58 | { |
59 | if ((oev ^ nev) & EV_READ) |
59 | if ((oev ^ nev) & EV_READ) |
60 | { |
60 | { |
61 | if (nev & EV_READ) |
61 | if (nev & EV_READ) |
62 | kqueue_change (fd, EVFILT_READ, EV_ADD, NOTE_EOF); |
62 | kqueue_change (EV_A_ fd, EVFILT_READ, EV_ADD, NOTE_EOF); |
63 | else |
63 | else |
64 | kqueue_change (fd, EVFILT_READ, EV_DELETE, 0); |
64 | kqueue_change (EV_A_ fd, EVFILT_READ, EV_DELETE, 0); |
65 | } |
65 | } |
66 | |
66 | |
67 | if ((oev ^ nev) & EV_WRITE) |
67 | if ((oev ^ nev) & EV_WRITE) |
68 | { |
68 | { |
69 | if (nev & EV_WRITE) |
69 | if (nev & EV_WRITE) |
70 | kqueue_change (fd, EVFILT_WRITE, EV_ADD, NOTE_EOF); |
70 | kqueue_change (EV_A_ fd, EVFILT_WRITE, EV_ADD, NOTE_EOF); |
71 | else |
71 | else |
72 | kqueue_change (fd, EVFILT_WRITE, EV_DELETE, 0); |
72 | kqueue_change (EV_A_ fd, EVFILT_WRITE, EV_DELETE, 0); |
73 | } |
73 | } |
74 | } |
74 | } |
75 | |
75 | |
76 | static void |
76 | static void |
77 | kqueue_poll (EV_P_ ev_tstamp timeout) |
77 | kqueue_poll (EV_P_ ev_tstamp timeout) |
… | |
… | |
83 | ts.tv_nsec = (long)(timeout - (ev_tstamp)ts.tv_sec) * 1e9; |
83 | ts.tv_nsec = (long)(timeout - (ev_tstamp)ts.tv_sec) * 1e9; |
84 | res = kevent (kqueue_fd, kqueue_changes, kqueue_changecnt, kqueue_events, kqueue_eventmax, &ts); |
84 | res = kevent (kqueue_fd, kqueue_changes, kqueue_changecnt, kqueue_events, kqueue_eventmax, &ts); |
85 | kqueue_changecnt = 0; |
85 | kqueue_changecnt = 0; |
86 | |
86 | |
87 | if (res < 0) |
87 | if (res < 0) |
|
|
88 | { |
|
|
89 | if (errno != EINTR) |
|
|
90 | syserr ("(libev) kevent"); |
|
|
91 | |
88 | return; |
92 | return; |
|
|
93 | } |
89 | |
94 | |
90 | for (i = 0; i < res; ++i) |
95 | for (i = 0; i < res; ++i) |
91 | { |
96 | { |
92 | if (kqueue_events [i].flags & EV_ERROR) |
97 | if (kqueue_events [i].flags & EV_ERROR) |
93 | { |
98 | { |
… | |
… | |
116 | ); |
121 | ); |
117 | } |
122 | } |
118 | |
123 | |
119 | if (expect_false (res == kqueue_eventmax)) |
124 | if (expect_false (res == kqueue_eventmax)) |
120 | { |
125 | { |
121 | free (kqueue_events); |
126 | ev_free (kqueue_events); |
122 | kqueue_eventmax = array_roundsize (kqueue_events, kqueue_eventmax << 1); |
127 | kqueue_eventmax = array_roundsize (kqueue_events, kqueue_eventmax << 1); |
123 | kqueue_events = malloc (sizeof (struct kevent) * kqueue_eventmax); |
128 | kqueue_events = ev_malloc (sizeof (struct kevent) * kqueue_eventmax); |
124 | } |
129 | } |
125 | } |
130 | } |
126 | |
131 | |
127 | static int |
132 | static int |
128 | kqueue_init (EV_P_ int flags) |
133 | kqueue_init (EV_P_ int flags) |
… | |
… | |
157 | method_fudge = 1e-3; /* needed to compensate for kevent returning early */ |
162 | method_fudge = 1e-3; /* needed to compensate for kevent returning early */ |
158 | method_modify = kqueue_modify; |
163 | method_modify = kqueue_modify; |
159 | method_poll = kqueue_poll; |
164 | method_poll = kqueue_poll; |
160 | |
165 | |
161 | kqueue_eventmax = 64; /* intiial number of events receivable per poll */ |
166 | kqueue_eventmax = 64; /* intiial number of events receivable per poll */ |
162 | kqueue_events = malloc (sizeof (struct kevent) * kqueue_eventmax); |
167 | kqueue_events = ev_malloc (sizeof (struct kevent) * kqueue_eventmax); |
163 | |
168 | |
164 | kqueue_changes = 0; |
169 | kqueue_changes = 0; |
165 | kqueue_changemax = 0; |
170 | kqueue_changemax = 0; |
166 | kqueue_changecnt = 0; |
171 | kqueue_changecnt = 0; |
167 | |
172 | |
… | |
… | |
171 | static void |
176 | static void |
172 | kqueue_destroy (EV_P) |
177 | kqueue_destroy (EV_P) |
173 | { |
178 | { |
174 | close (kqueue_fd); |
179 | close (kqueue_fd); |
175 | |
180 | |
176 | free (kqueue_events); |
181 | ev_free (kqueue_events); |
177 | free (kqueue_changes); |
182 | ev_free (kqueue_changes); |
178 | } |
183 | } |
179 | |
184 | |
180 | static void |
185 | static void |
181 | kqueue_fork (EV_P) |
186 | kqueue_fork (EV_P) |
182 | { |
187 | { |
|
|
188 | close (kqueue_fd); |
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|
189 | |
183 | kqueue_fd = kqueue (); |
190 | while ((kqueue_fd = kqueue ()) < 0) |
|
|
191 | syserr ("(libev) kqueue"); |
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|
192 | |
184 | fcntl (kqueue_fd, F_SETFD, FD_CLOEXEC); |
193 | fcntl (kqueue_fd, F_SETFD, FD_CLOEXEC); |
185 | |
194 | |
186 | /* re-register interest in fds */ |
195 | /* re-register interest in fds */ |
187 | fd_rearm_all (); |
196 | fd_rearm_all (EV_A); |
188 | } |
197 | } |
189 | |
198 | |