1 | /* |
1 | /* |
2 | * libev solaris event port backend |
2 | * libev solaris event port backend |
3 | * |
3 | * |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008 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 |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * modification, are permitted provided that the following conditions are |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * met: |
9 | * |
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10 | * 1. Redistributions of source code must retain the above copyright notice, |
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11 | * this list of conditions and the following disclaimer. |
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12 | * |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
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19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
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20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
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21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
10 | * |
27 | * |
11 | * * Redistributions of source code must retain the above copyright |
28 | * Alternatively, the contents of this file may be used under the terms of |
12 | * notice, this list of conditions and the following disclaimer. |
29 | * the GNU General Public License ("GPL") version 2 or any later version, |
13 | * |
30 | * in which case the provisions of the GPL are applicable instead of |
14 | * * Redistributions in binary form must reproduce the above |
31 | * the above. If you wish to allow the use of your version of this file |
15 | * copyright notice, this list of conditions and the following |
32 | * only under the terms of the GPL and not to allow others to use your |
16 | * disclaimer in the documentation and/or other materials provided |
33 | * version of this file under the BSD license, indicate your decision |
17 | * with the distribution. |
34 | * by deleting the provisions above and replace them with the notice |
18 | * |
35 | * and other provisions required by the GPL. If you do not delete the |
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
36 | * provisions above, a recipient may use your version of this file under |
20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
37 | * either the BSD or the GPL. |
21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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23 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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24 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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25 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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30 | */ |
38 | */ |
31 | |
39 | |
32 | #include <sys/types.h> |
40 | #include <sys/types.h> |
33 | #include <sys/time.h> |
41 | #include <sys/time.h> |
34 | #include <poll.h> |
42 | #include <poll.h> |
… | |
… | |
49 | ) |
57 | ) |
50 | { |
58 | { |
51 | if (errno == EBADFD) |
59 | if (errno == EBADFD) |
52 | fd_kill (EV_A_ fd); |
60 | fd_kill (EV_A_ fd); |
53 | else |
61 | else |
54 | syserr ("(libev) port_associate"); |
62 | ev_syserr ("(libev) port_associate"); |
55 | } |
63 | } |
56 | } |
64 | } |
57 | |
65 | |
58 | static void |
66 | static void |
59 | port_modify (EV_P_ int fd, int oev, int nev) |
67 | port_modify (EV_P_ int fd, int oev, int nev) |
… | |
… | |
75 | { |
83 | { |
76 | int res, i; |
84 | int res, i; |
77 | struct timespec ts; |
85 | struct timespec ts; |
78 | uint_t nget = 1; |
86 | uint_t nget = 1; |
79 | |
87 | |
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88 | if (expect_false (suspend_cb)) suspend_cb (EV_A); |
80 | ts.tv_sec = (time_t)timeout; |
89 | ts.tv_sec = (time_t)timeout; |
81 | ts.tv_nsec = (long)(timeout - (ev_tstamp)ts.tv_sec) * 1e9; |
90 | ts.tv_nsec = (long)(timeout - (ev_tstamp)ts.tv_sec) * 1e9; |
82 | res = port_getn (backend_fd, port_events, port_eventmax, &nget, &ts); |
91 | res = port_getn (backend_fd, port_events, port_eventmax, &nget, &ts); |
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92 | if (expect_false (resume_cb)) resume_cb (EV_A); |
83 | |
93 | |
84 | if (res < 0) |
94 | if (res == -1) |
85 | { |
95 | { |
86 | if (errno != EINTR && errno != ETIME) |
96 | if (errno != EINTR && errno != ETIME) |
87 | syserr ("(libev) port_getn"); |
97 | ev_syserr ("(libev) port_getn"); |
88 | |
98 | |
89 | return; |
99 | return; |
90 | } |
100 | } |
91 | |
101 | |
92 | for (i = 0; i < nget; ++i) |
102 | for (i = 0; i < nget; ++i) |
… | |
… | |
143 | port_fork (EV_P) |
153 | port_fork (EV_P) |
144 | { |
154 | { |
145 | close (backend_fd); |
155 | close (backend_fd); |
146 | |
156 | |
147 | while ((backend_fd = port_create ()) < 0) |
157 | while ((backend_fd = port_create ()) < 0) |
148 | syserr ("(libev) port"); |
158 | ev_syserr ("(libev) port"); |
149 | |
159 | |
150 | fcntl (backend_fd, F_SETFD, FD_CLOEXEC); |
160 | fcntl (backend_fd, F_SETFD, FD_CLOEXEC); |
151 | |
161 | |
152 | /* re-register interest in fds */ |
162 | /* re-register interest in fds */ |
153 | fd_rearm_all (EV_A); |
163 | fd_rearm_all (EV_A); |