1 /* 2 * Copyright (c) 2013 Patrick Kelsey. All rights reserved. 3 * Copyright (C) 2017 THL A29 Limited, a Tencent company. 4 * 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 notice, this 10 * list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 22 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 24 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * Derived in part from libuinet's uinet_host_interface.h. 27 */ 28 29 #ifndef _FSTACK_HOST_INTERFACE_H_ 30 #define _FSTACK_HOST_INTERFACE_H_ 31 32 #define ff_PROT_NONE 0x00 33 #define ff_PROT_READ 0x01 34 #define ff_PROT_WRITE 0x02 35 36 #define ff_MAP_SHARED 0x0001 37 #define ff_MAP_PRIVATE 0x0002 38 #define ff_MAP_ANON 0x1000 39 #define ff_MAP_NOCORE 0x00020000 40 41 #define ff_MAP_FAILED ((void *)-1) 42 43 void *ff_mmap(void *addr, uint64_t len, int prot, int flags, int fd, uint64_t offset); 44 int ff_munmap(void *addr, uint64_t len); 45 46 void *ff_malloc(uint64_t size); 47 void *ff_calloc(uint64_t number, uint64_t size); 48 void *ff_realloc(void *p, uint64_t size); 49 void ff_free(void *p); 50 51 #define ff_CLOCK_REALTIME 0 52 #define ff_CLOCK_MONOTONIC 4 53 #define ff_CLOCK_MONOTONIC_FAST 12 54 55 #define ff_NSEC_PER_SEC (1000ULL * 1000ULL * 1000ULL) 56 57 void ff_clock_gettime(int id, int64_t *sec, long *nsec); 58 uint64_t ff_clock_gettime_ns(int id); 59 int ff_nanosleep(uint64_t nsecs); 60 61 typedef void * ff_mutex_t; 62 typedef void * ff_cond_t; 63 typedef void * ff_rwlock_t; 64 65 void ff_arc4rand(void *ptr, unsigned int len, int reseed); 66 uint32_t ff_arc4random(void); 67 68 int ff_setenv(const char *name, const char *value); 69 char *ff_getenv(const char *name); 70 71 void ff_os_errno(int error); 72 73 int ff_rss_check(uint32_t saddr, uint32_t daddr, uint16_t sport, uint16_t dport); 74 75 #endif 76 77