comparison: src/server/daemon/event_solaris.c
src/server/daemon/event_solaris.c
- changeset 29
- e8619defde14
- child 30
- 27c7511c0e34
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| 28:f387669912e8 | 29:e8619defde14 |
|---|---|
| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2011 Olaf Wintermann. All rights reserved. | |
| 5 * | |
| 6 * Redistribution and use in source and binary forms, with or without | |
| 7 * modification, are permitted provided that the following conditions are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 26 * POSSIBILITY OF SUCH DAMAGE. | |
| 27 */ | |
| 28 | |
| 29 #include <stdio.h> | |
| 30 #include <stdlib.h> | |
| 31 #include <atomic.h> | |
| 32 | |
| 33 #include "event_solaris.h" | |
| 34 | |
| 35 event_handler_t* evhandler_create(int numthreads) { | |
| 36 event_handler_t *ev = malloc(sizeof(event_handler_t)); | |
| 37 if(ev == NULL) { | |
| 38 return NULL; | |
| 39 } | |
| 40 | |
| 41 ev->ports = calloc(numthreads, sizeof(int)); | |
| 42 if(ev->ports == NULL) { | |
| 43 free(ev); | |
| 44 return NULL; | |
| 45 } | |
| 46 ev->nports = numthreads; | |
| 47 ev->lp = 0; | |
| 48 | |
| 49 /* create ports event threads */ | |
| 50 for(int i=0;i<numthreads;i++) { | |
| 51 /* create port */ | |
| 52 ev->ports[i] = port_create(); | |
| 53 if(ev->ports[i] == 0) { | |
| 54 free(ev->ports); | |
| 55 free(ev); | |
| 56 return NULL; | |
| 57 } | |
| 58 | |
| 59 /* | |
| 60 * start a new handler thread | |
| 61 * the thread needs the event port and a pointer to the event handler | |
| 62 */ | |
| 63 ev_thr_conf_t *conf = malloc(sizeof(ev_thr_conf_t)); | |
| 64 if(conf == NULL) { | |
| 65 free(ev->ports); | |
| 66 free(ev); | |
| 67 return NULL; | |
| 68 } | |
| 69 conf->handler = ev; | |
| 70 conf->port = ev->ports[i]; | |
| 71 | |
| 72 systhread_start(0, 0, (thrstartfunc)ev_handle_events, ev); | |
| 73 /* TODO: error handling */ | |
| 74 } | |
| 75 | |
| 76 return ev; | |
| 77 } | |
| 78 | |
| 79 void ev_handle_events(ev_thr_conf_t *conf) { | |
| 80 event_handler_t *ev = conf->handler; | |
| 81 int port = conf->port; | |
| 82 | |
| 83 free(conf); | |
| 84 | |
| 85 port_event_t events[16]; | |
| 86 struct timespec timeout; | |
| 87 timeout.tv_nsec = 0; | |
| 88 timeout.tv_sec = 600; | |
| 89 | |
| 90 for(;;) { | |
| 91 /* wait for events */ | |
| 92 uint_t nev = 1; | |
| 93 int ret = port_getn(port, events, 16, &nev, &timeout); | |
| 94 if(ret == -1) { | |
| 95 /* TODO: check for error */ | |
| 96 continue; | |
| 97 } | |
| 98 | |
| 99 for(int i=0;i<nev;i++) { | |
| 100 event_t *event = events[i]->portev_user; | |
| 101 if(event->fn) { | |
| 102 event->fn(ev, event); | |
| 103 } | |
| 104 } | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 /* returns a event handler port */ | |
| 109 int ev_get_port(event_handler_t *h) { | |
| 110 int cp = h->lp % h->nports; | |
| 111 atomic_inc_32(&h->lp); | |
| 112 return cp; | |
| 113 } | |
| 114 | |
| 115 int ev_pollin(event_handler_t *h, int fd, event_t *event) { | |
| 116 event->object = (intptr_t)fd; | |
| 117 return port_associate( | |
| 118 ev_get_port(h), | |
| 119 PORT_SOURCE_FD, | |
| 120 (uintptr_t)fd, | |
| 121 POLLIN, | |
| 122 event); | |
| 123 } | |
| 124 | |
| 125 int ev_pollout(event_handler_t *h, int fd, event_t *event) { | |
| 126 event->object = (intptr_t)fd; | |
| 127 return port_associate( | |
| 128 ev_get_port(h), | |
| 129 PORT_SOURCE_FD, | |
| 130 (uintptr_t)fd, | |
| 131 POLLOUT, | |
| 132 event); | |
| 133 } | |
| 134 | |
| 135 int evt_send(event_handler_t *h, event_t *event) { | |
| 136 event->object = 0; | |
| 137 return port_send(ev_get_port(h), 0, event); | |
| 138 } |
