The Tor Browser / file comparison
comparison: netwerk/sctp/src/netinet/sctp_callout.h
netwerk/sctp/src/netinet/sctp_callout.h
- branch
- TOR_BUG_3246
- changeset 5
- 4ab42b5ab56c
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| -1:000000000000 | 0:838942961d25 |
|---|---|
| 1 /*- | |
| 2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. | |
| 3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. | |
| 4 * Copyright (c) 2008-2012, by Michael Tuexen. 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 | |
| 8 * are met: | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * 2. Redistributions in binary form must reproduce the above copyright | |
| 12 * notice, this list of conditions and the following disclaimer in the | |
| 13 * documentation and/or other materials provided with the distribution. | |
| 14 * 3. Neither the name of the project nor the names of its contributors | |
| 15 * may be used to endorse or promote products derived from this software | |
| 16 * without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND | |
| 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE | |
| 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 28 * SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifdef __FreeBSD__ | |
| 32 #include <sys/cdefs.h> | |
| 33 __FBSDID("$FreeBSD$"); | |
| 34 #endif | |
| 35 | |
| 36 #ifndef _NETINET_SCTP_CALLOUT_ | |
| 37 #define _NETINET_SCTP_CALLOUT_ | |
| 38 | |
| 39 /* | |
| 40 * NOTE: the following MACROS are required for locking the callout | |
| 41 * queue along with a lock/mutex in the OS specific headers and | |
| 42 * implementation files:: | |
| 43 * - SCTP_TIMERQ_LOCK() | |
| 44 * - SCTP_TIMERQ_UNLOCK() | |
| 45 * - SCTP_TIMERQ_LOCK_INIT() | |
| 46 * - SCTP_TIMERQ_LOCK_DESTROY() | |
| 47 */ | |
| 48 | |
| 49 #define _SCTP_NEEDS_CALLOUT_ 1 | |
| 50 | |
| 51 #define SCTP_TICKS_PER_FASTTIMO 20 /* called about every 20ms */ | |
| 52 | |
| 53 #if defined(__Userspace__) | |
| 54 #if defined(__Userspace_os_Windows) | |
| 55 #define SCTP_TIMERQ_LOCK() EnterCriticalSection(&SCTP_BASE_VAR(timer_mtx)) | |
| 56 #define SCTP_TIMERQ_UNLOCK() LeaveCriticalSection(&SCTP_BASE_VAR(timer_mtx)) | |
| 57 #define SCTP_TIMERQ_LOCK_INIT() InitializeCriticalSection(&SCTP_BASE_VAR(timer_mtx)) | |
| 58 #define SCTP_TIMERQ_LOCK_DESTROY() DeleteCriticalSection(&SCTP_BASE_VAR(timer_mtx)) | |
| 59 #else | |
| 60 #define SCTP_TIMERQ_LOCK() (void)pthread_mutex_lock(&SCTP_BASE_VAR(timer_mtx)) | |
| 61 #define SCTP_TIMERQ_UNLOCK() (void)pthread_mutex_unlock(&SCTP_BASE_VAR(timer_mtx)) | |
| 62 #define SCTP_TIMERQ_LOCK_INIT() (void)pthread_mutex_init(&SCTP_BASE_VAR(timer_mtx), NULL) | |
| 63 #define SCTP_TIMERQ_LOCK_DESTROY() (void)pthread_mutex_destroy(&SCTP_BASE_VAR(timer_mtx)) | |
| 64 #endif | |
| 65 | |
| 66 extern int ticks; | |
| 67 #endif | |
| 68 | |
| 69 TAILQ_HEAD(calloutlist, sctp_callout); | |
| 70 | |
| 71 struct sctp_callout { | |
| 72 TAILQ_ENTRY(sctp_callout) tqe; | |
| 73 int c_time; /* ticks to the event */ | |
| 74 void *c_arg; /* function argument */ | |
| 75 void (*c_func)(void *); /* function to call */ | |
| 76 int c_flags; /* state of this entry */ | |
| 77 }; | |
| 78 typedef struct sctp_callout sctp_os_timer_t; | |
| 79 | |
| 80 #define SCTP_CALLOUT_ACTIVE 0x0002 /* callout is currently active */ | |
| 81 #define SCTP_CALLOUT_PENDING 0x0004 /* callout is waiting for timeout */ | |
| 82 | |
| 83 void sctp_os_timer_init(sctp_os_timer_t *tmr); | |
| 84 void sctp_os_timer_start(sctp_os_timer_t *, int, void (*)(void *), void *); | |
| 85 int sctp_os_timer_stop(sctp_os_timer_t *); | |
| 86 | |
| 87 #define SCTP_OS_TIMER_INIT sctp_os_timer_init | |
| 88 #define SCTP_OS_TIMER_START sctp_os_timer_start | |
| 89 #define SCTP_OS_TIMER_STOP sctp_os_timer_stop | |
| 90 /* MT FIXME: Is the following correct? */ | |
| 91 #define SCTP_OS_TIMER_STOP_DRAIN SCTP_OS_TIMER_STOP | |
| 92 #define SCTP_OS_TIMER_PENDING(tmr) ((tmr)->c_flags & SCTP_CALLOUT_PENDING) | |
| 93 #define SCTP_OS_TIMER_ACTIVE(tmr) ((tmr)->c_flags & SCTP_CALLOUT_ACTIVE) | |
| 94 #define SCTP_OS_TIMER_DEACTIVATE(tmr) ((tmr)->c_flags &= ~SCTP_CALLOUT_ACTIVE) | |
| 95 | |
| 96 #if defined(__Userspace__) | |
| 97 void sctp_start_timer(void); | |
| 98 #endif | |
| 99 #if defined(__APPLE__) | |
| 100 void sctp_timeout(void *); | |
| 101 #endif | |
| 102 | |
| 103 #endif |
