1 /** 2 * This module provides types and constants used in thread package. 3 * 4 * Copyright: Copyright Sean Kelly 2005 - 2012. 5 * License: Distributed under the 6 * $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0). 7 * (See accompanying file LICENSE) 8 * Authors: Sean Kelly, Walter Bright, Alex Rønne Petersen, Martin Nowak 9 * Source: $(DRUNTIMESRC core/thread/osthread.d) 10 */ 11 12 module core.thread.types; 13 14 /** 15 * Represents the ID of a thread, as returned by $(D Thread.)$(LREF id). 16 * The exact type varies from platform to platform. 17 */ 18 version (Windows) 19 alias ThreadID = uint; 20 else version(Posix)21version (Posix) 22 { 23 import core.sys.posix.pthread; 24 25 alias ThreadID = pthread_t; 26 } 27 28 struct ll_ThreadData 29 { 30 ThreadID tid; 31 version (Windows) 32 void delegate() nothrow cbDllUnload; 33 } 34 version(GNU)35version (GNU) 36 { 37 version (GNU_StackGrowsDown) 38 enum isStackGrowingDown = true; 39 else 40 enum isStackGrowingDown = false; 41 } 42 else 43 { 44 // this should be true for most architectures 45 enum isStackGrowingDown = true; 46 } 47 48 package 49 { 50 static immutable size_t PAGESIZE; 51 version (Posix) static immutable size_t PTHREAD_STACK_MIN; 52 } 53 54 shared static this() 55 { 56 version (Windows) 57 { 58 import core.sys.windows.winbase; 59 60 SYSTEM_INFO info; 61 GetSystemInfo(&info); 62 63 PAGESIZE = info.dwPageSize; 64 assert(PAGESIZE < int.max); 65 } 66 else version (Posix) 67 { 68 import core.sys.posix.unistd; 69 70 PAGESIZE = cast(size_t)sysconf(_SC_PAGESIZE); 71 PTHREAD_STACK_MIN = cast(size_t)sysconf(_SC_THREAD_STACK_MIN); 72 } 73 else 74 { 75 static assert(0, "unimplemented"); 76 } 77 } 78