| 1 | /* |
| 2 | This file is part of Mtproto-proxy Library. |
| 3 | |
| 4 | Mtproto-proxy Library is free software: you can redistribute it and/or modify |
| 5 | it under the terms of the GNU Lesser General Public License as published by |
| 6 | the Free Software Foundation, either version 2 of the License, or |
| 7 | (at your option) any later version. |
| 8 | |
| 9 | Mtproto-proxy Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | GNU Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public License |
| 15 | along with Mtproto-proxy Library. If not, see <http://www.gnu.org/licenses/>. |
| 16 | |
| 17 | Copyright 2014 Telegram Messenger Inc |
| 18 | 2014 Anton Maydell |
| 19 | */ |
| 20 | #pragma once |
| 21 | |
| 22 | #include <time.h> |
| 23 | |
| 24 | /* RDTSC */ |
| 25 | #if defined(__i386__) |
| 26 | static __inline__ unsigned long long rdtsc(void) { |
| 27 | unsigned long long int x; |
| 28 | __asm__ volatile ("rdtsc" : "=A" (x)); |
| 29 | return x; |
| 30 | } |
| 31 | #elif defined(__x86_64__) |
| 32 | static __inline__ unsigned long long rdtsc(void) { |
| 33 | unsigned hi, lo; |
| 34 | __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi)); |
| 35 | return ( (unsigned long long)lo)|( ((unsigned long long)hi)<<32 ); |
| 36 | } |
| 37 | #endif |
| 38 | |
| 39 | /* net-event.h */ |
| 40 | extern __thread int now; |
| 41 | extern __thread double precise_now; |
| 42 | extern __thread long long precise_now_rdtsc; |
| 43 | double get_utime_monotonic (void); |
| 44 | |
| 45 | /* common/server-functions.h */ |
| 46 | double get_utime (int clock_id); |
| 47 | extern long long precise_time; // (long long) (2^16 * precise unixtime) |
| 48 | extern long long precise_time_rdtsc; // when precise_time was obtained |
| 49 | long long get_precise_time (unsigned precision); |
| 50 | |
| 51 | /* ??? */ |
| 52 | double get_double_time (void); |
| 53 | |
| 54 | static inline void precise_sleep (int seconds, int nanoseconds) { |
| 55 | struct timespec t; |
| 56 | t.tv_sec = seconds; |
| 57 | t.tv_nsec = nanoseconds; |
| 58 | nanosleep (&t, NULL); |
| 59 | } |
| 60 | |