| 1 | /* |
1 | /* |
| 2 | * libev solaris event port backend |
2 | * libev solaris event port backend |
| 3 | * |
3 | * |
| 4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009 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 | * |
| … | |
… | |
| 83 | { |
83 | { |
| 84 | int res, i; |
84 | int res, i; |
| 85 | struct timespec ts; |
85 | struct timespec ts; |
| 86 | uint_t nget = 1; |
86 | uint_t nget = 1; |
| 87 | |
87 | |
|
|
88 | EV_RELEASE_CB; |
| 88 | ts.tv_sec = (time_t)timeout; |
89 | ts.tv_sec = (time_t)timeout; |
| 89 | ts.tv_nsec = (long)(timeout - (ev_tstamp)ts.tv_sec) * 1e9; |
90 | ts.tv_nsec = (long)(timeout - (ev_tstamp)ts.tv_sec) * 1e9; |
| 90 | res = port_getn (backend_fd, port_events, port_eventmax, &nget, &ts); |
91 | res = port_getn (backend_fd, port_events, port_eventmax, &nget, &ts); |
|
|
92 | EV_ACQUIRE_CB; |
| 91 | |
93 | |
| 92 | if (res < 0) |
94 | if (res == -1) |
| 93 | { |
95 | { |
| 94 | if (errno != EINTR && errno != ETIME) |
96 | if (errno != EINTR && errno != ETIME) |
| 95 | ev_syserr ("(libev) port_getn"); |
97 | ev_syserr ("(libev) port_getn (see http://bugs.opensolaris.org/view_bug.do?bug_id=6268715, try LIBEV_FLAGS=3 env variable)"); |
| 96 | |
98 | |
| 97 | return; |
99 | return; |
| 98 | } |
100 | } |
| 99 | |
101 | |
| 100 | for (i = 0; i < nget; ++i) |
102 | for (i = 0; i < nget; ++i) |
| … | |
… | |
| 123 | } |
125 | } |
| 124 | |
126 | |
| 125 | int inline_size |
127 | int inline_size |
| 126 | port_init (EV_P_ int flags) |
128 | port_init (EV_P_ int flags) |
| 127 | { |
129 | { |
| 128 | /* Initalize the kernel queue */ |
130 | /* Initialize the kernel queue */ |
| 129 | if ((backend_fd = port_create ()) < 0) |
131 | if ((backend_fd = port_create ()) < 0) |
| 130 | return 0; |
132 | return 0; |
| 131 | |
133 | |
| 132 | fcntl (backend_fd, F_SETFD, FD_CLOEXEC); /* not sure if necessary, hopefully doesn't hurt */ |
134 | fcntl (backend_fd, F_SETFD, FD_CLOEXEC); /* not sure if necessary, hopefully doesn't hurt */ |
| 133 | |
135 | |
| 134 | backend_fudge = 1e-3; /* needed to compensate for port_getn returning early */ |
136 | backend_fudge = 1e-3; /* needed to compensate for port_getn returning early */ |
| 135 | backend_modify = port_modify; |
137 | backend_modify = port_modify; |
| 136 | backend_poll = port_poll; |
138 | backend_poll = port_poll; |
| 137 | |
139 | |
| 138 | port_eventmax = 64; /* intiial number of events receivable per poll */ |
140 | port_eventmax = 64; /* initial number of events receivable per poll */ |
| 139 | port_events = (port_event_t *)ev_malloc (sizeof (port_event_t) * port_eventmax); |
141 | port_events = (port_event_t *)ev_malloc (sizeof (port_event_t) * port_eventmax); |
| 140 | |
142 | |
| 141 | return EVBACKEND_PORT; |
143 | return EVBACKEND_PORT; |
| 142 | } |
144 | } |
| 143 | |
145 | |
