| 1 | /* |
1 | /* |
| 2 | * libev kqueue backend |
2 | * libev kqueue backend |
| 3 | * |
3 | * |
| 4 | * Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012,2013,2016,2019 Marc Alexander Lehmann <libev@schmorp.de> |
| 5 | * All rights reserved. |
5 | * All rights reserved. |
| 6 | * |
6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
| 8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
| 9 | * |
9 | * |
| … | |
… | |
| 46 | inline_speed |
46 | inline_speed |
| 47 | void |
47 | void |
| 48 | kqueue_change (EV_P_ int fd, int filter, int flags, int fflags) |
48 | kqueue_change (EV_P_ int fd, int filter, int flags, int fflags) |
| 49 | { |
49 | { |
| 50 | ++kqueue_changecnt; |
50 | ++kqueue_changecnt; |
| 51 | array_needsize (struct kevent, kqueue_changes, kqueue_changemax, kqueue_changecnt, EMPTY2); |
51 | array_needsize (struct kevent, kqueue_changes, kqueue_changemax, kqueue_changecnt, array_needsize_noinit); |
| 52 | |
52 | |
| 53 | EV_SET (&kqueue_changes [kqueue_changecnt - 1], fd, filter, flags, fflags, 0, 0); |
53 | EV_SET (&kqueue_changes [kqueue_changecnt - 1], fd, filter, flags, fflags, 0, 0); |
| 54 | } |
54 | } |
| 55 | |
55 | |
| 56 | /* OS X at least needs this */ |
56 | /* OS X at least needs this */ |
| … | |
… | |
| 104 | kqueue_changecnt = 0; |
104 | kqueue_changecnt = 0; |
| 105 | |
105 | |
| 106 | if (expect_false (res < 0)) |
106 | if (expect_false (res < 0)) |
| 107 | { |
107 | { |
| 108 | if (errno != EINTR) |
108 | if (errno != EINTR) |
| 109 | ev_syserr ("(libev) kevent"); |
109 | ev_syserr ("(libev) kqueue kevent"); |
| 110 | |
110 | |
| 111 | return; |
111 | return; |
| 112 | } |
112 | } |
| 113 | |
113 | |
| 114 | for (i = 0; i < res; ++i) |
114 | for (i = 0; i < res; ++i) |
| … | |
… | |
| 127 | else if (err == EBADF) /* on EBADF, we re-check the fd */ |
127 | else if (err == EBADF) /* on EBADF, we re-check the fd */ |
| 128 | { |
128 | { |
| 129 | if (fd_valid (fd)) |
129 | if (fd_valid (fd)) |
| 130 | kqueue_modify (EV_A_ fd, 0, anfds [fd].events); |
130 | kqueue_modify (EV_A_ fd, 0, anfds [fd].events); |
| 131 | else |
131 | else |
|
|
132 | { |
|
|
133 | assert (("libev: kqueue found invalid fd", 0)); |
| 132 | fd_kill (EV_A_ fd); |
134 | fd_kill (EV_A_ fd); |
|
|
135 | } |
| 133 | } |
136 | } |
| 134 | else /* on all other errors, we error out on the fd */ |
137 | else /* on all other errors, we error out on the fd */ |
|
|
138 | { |
|
|
139 | assert (("libev: kqueue found invalid fd", 0)); |
| 135 | fd_kill (EV_A_ fd); |
140 | fd_kill (EV_A_ fd); |
|
|
141 | } |
| 136 | } |
142 | } |
| 137 | } |
143 | } |
| 138 | else |
144 | else |
| 139 | fd_event ( |
145 | fd_event ( |
| 140 | EV_A_ |
146 | EV_A_ |
