libmicrohttpd

HTTP/1.x server C library (MHD 1.x, stable)
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mhd_mono_clock.h (2013B)

      1 /*
      2   This file is part of libmicrohttpd
      3   Copyright (C) 2015-2021 Karlson2k (Evgeny Grin)
      4 
      5   This library is free software; you can redistribute it and/or
      6   modify it under the terms of the GNU Lesser General Public
      7   License as published by the Free Software Foundation; either
      8   version 2.1 of the License, or (at your option) any later version.
      9 
     10   This library is distributed in the hope that it will be useful,
     11   but WITHOUT ANY WARRANTY; without even the implied warranty of
     12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13   Lesser General Public License for more details.
     14 
     15   You should have received a copy of the GNU Lesser General Public
     16   License along with this library; if not, write to the Free Software
     17   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
     18 */
     19 
     20 /**
     21  * @file microhttpd/mhd_mono_clock.h
     22  * @brief  internal monotonic clock functions declarations
     23  * @author Karlson2k (Evgeny Grin)
     24  */
     25 
     26 #ifndef MHD_MONO_CLOCK_H
     27 #define MHD_MONO_CLOCK_H 1
     28 #include "mhd_options.h"
     29 
     30 #if defined(HAVE_TIME_H)
     31 #include <time.h>
     32 #elif defined(HAVE_SYS_TYPES_H)
     33 #include <sys/types.h>
     34 #endif
     35 #include <stdint.h>
     36 
     37 /**
     38  * Initialise monotonic seconds and milliseconds counters.
     39  */
     40 void
     41 MHD_monotonic_sec_counter_init (void);
     42 
     43 
     44 /**
     45  * Deinitialise monotonic seconds  and milliseconds counters by freeing
     46  * any allocated resources
     47  */
     48 void
     49 MHD_monotonic_sec_counter_finish (void);
     50 
     51 
     52 /**
     53  * Monotonic seconds counter.
     54  * Tries to be not affected by manually setting the system real time
     55  * clock or adjustments by NTP synchronization.
     56  *
     57  * @return number of seconds from some fixed moment
     58  */
     59 time_t
     60 MHD_monotonic_sec_counter (void);
     61 
     62 
     63 /**
     64  * Monotonic milliseconds counter, useful for timeout calculation.
     65  * Tries to be not affected by manually setting the system real time
     66  * clock or adjustments by NTP synchronization.
     67  *
     68  * @return number of microseconds from some fixed moment
     69  */
     70 uint64_t
     71 MHD_monotonic_msec_counter (void);
     72 
     73 #endif /* MHD_MONO_CLOCK_H */