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