1 /** 2 * The config module contains utility routines and configuration information 3 * specific to this package. 4 * 5 * Copyright: Copyright Sean Kelly 2005 - 2009. 6 * License: $(HTTP www.boost.org/LICENSE_1_0.txt, Boost License 1.0). 7 * Authors: Sean Kelly 8 * Source: $(DRUNTIMESRC core/sync/_config.d) 9 */ 10 11 /* Copyright Sean Kelly 2005 - 2009. 12 * Distributed under the Boost Software License, Version 1.0. 13 * (See accompanying file LICENSE or copy at 14 * http://www.boost.org/LICENSE_1_0.txt) 15 */ 16 module core.sync.config; 17 18 19 version (Posix) 20 { 21 import core.sys.posix.pthread; 22 import core.sys.posix.time; 23 import core.sys.posix.sys.time; 24 import core.time; 25 26 27 void mktspec( ref timespec t ) nothrow @nogc @system 28 { 29 static if ( is (typeof ( pthread_condattr_setclock ) ) ) 30 { 31 clock_gettime( CLOCK_MONOTONIC, &t ); 32 } 33 else 34 { 35 timeval tv; 36 37 gettimeofday( &tv, null ); 38 (cast(byte*) &t)[0 .. t.sizeof] = 0; 39 t.tv_sec = cast(typeof(t.tv_sec)) tv.tv_sec; 40 t.tv_nsec = cast(typeof(t.tv_nsec)) tv.tv_usec * 1_000; 41 } 42 } 43 44 45 void mktspec( ref timespec t, Duration delta ) nothrow @nogc 46 { 47 mktspec( t ); 48 mvtspec( t, delta ); 49 } 50 51 52 void mvtspec( ref timespec t, Duration delta ) nothrow @nogc @system 53 { 54 auto val = delta; 55 val += dur!"seconds"( t.tv_sec ); 56 val += dur!"nsecs"( t.tv_nsec ); 57 58 //auto val = delta + dur!"seconds"( t.tv_sec ) + 59 // + dur!"nsecs"( t.tv_nsec ); 60 61 if ( val.total!"seconds" > t.tv_sec.max ) 62 { 63 t.tv_sec = t.tv_sec.max; 64 t.tv_nsec = cast(typeof(t.tv_nsec)) val.split!("seconds", "nsecs")().nsecs; 65 } 66 else 67 val.split!("seconds", "nsecs")(t.tv_sec, t.tv_nsec); 68 } 69 }