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author | DongHun Kwak <dh0128.kwak@samsung.com> | 2019-12-05 15:12:59 +0900 |
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committer | DongHun Kwak <dh0128.kwak@samsung.com> | 2019-12-05 15:12:59 +0900 |
commit | b8cf34c691623e4ec329053cbbf68522a855882d (patch) | |
tree | 34da08632a99677f6b79ecb65e5b655a5b69a67f /boost/config/platform/vxworks.hpp | |
parent | 3fdc3e5ee96dca5b11d1694975a65200787eab86 (diff) | |
download | boost-b8cf34c691623e4ec329053cbbf68522a855882d.tar.gz boost-b8cf34c691623e4ec329053cbbf68522a855882d.tar.bz2 boost-b8cf34c691623e4ec329053cbbf68522a855882d.zip |
Imported Upstream version 1.67.0upstream/1.67.0
Diffstat (limited to 'boost/config/platform/vxworks.hpp')
-rw-r--r-- | boost/config/platform/vxworks.hpp | 233 |
1 files changed, 137 insertions, 96 deletions
diff --git a/boost/config/platform/vxworks.hpp b/boost/config/platform/vxworks.hpp index a7f571c499..a91e4ab439 100644 --- a/boost/config/platform/vxworks.hpp +++ b/boost/config/platform/vxworks.hpp @@ -1,30 +1,50 @@ // (C) Copyright Dustin Spicuzza 2009. // Adapted to vxWorks 6.9 by Peter Brockamp 2012. +// Updated for VxWorks 7 by Brian Kuhl 2016 // Use, modification and distribution are subject to the // Boost Software License, Version 1.0. (See accompanying file // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) // See http://www.boost.org for most recent version. -// Since WRS does not yet properly support boost under vxWorks -// and this file was badly outdated, but I was keen on using it, -// I patched boost myself to make things work. This has been tested -// and adapted by me for vxWorks 6.9 *only*, as I'm lacking access -// to earlier 6.X versions! The only thing I know for sure is that -// very old versions of vxWorks (namely everything below 6.x) are -// absolutely unable to use boost. This is mainly due to the completely -// outdated libraries and ancient compiler (GCC 2.96 or worse). Do -// not even think of getting this to work, a miserable failure will -// be guaranteed! +// Old versions of vxWorks (namely everything below 6.x) are +// absolutely unable to use boost. Old STLs and compilers +// like (GCC 2.96) . Do not even think of getting this to work, +// a miserable failure will be guaranteed! +// // Equally, this file has been tested for RTPs (Real Time Processes) // only, not for DKMs (Downloadable Kernel Modules). These two types // of executables differ largely in the available functionality of -// the C-library, STL, and so on. A DKM uses a library similar to those -// of vxWorks 5.X - with all its limitations and incompatibilities -// with respect to ANSI C++ and STL. So probably there might be problems -// with the usage of boost from DKMs. WRS or any voluteers are free to -// prove the opposite! - +// the C-library, STL, and so on. A DKM uses a C89 library with no +// wide character support and no guarantee of ANSI C. The same Dinkum +// STL library is used in both contexts. +// +// Similarly the Dinkum abridged STL that supports the loosely specified +// embedded C++ standard has not been tested and is unlikely to work +// on anything but the simplest library. +// ==================================================================== +// +// Additional Configuration +// ------------------------------------------------------------------- +// +// Because of the ordering of include files and other issues the following +// additional definitions worked better outside this file. +// +// When building the log library add the following to the b2 invocation +// define=BOOST_LOG_WITHOUT_IPC +// and +// -DBOOST_LOG_WITHOUT_DEFAULT_FACTORIES +// to your compile options. +// +// When building the test library add +// -DBOOST_TEST_LIMITED_SIGNAL_DETAILS +// to your compile options +// +// When building containers library add +// -DHAVE_MORECORE=0 +// to your c compile options so dlmalloc heap library is compiled +// without brk() calls +// // ==================================================================== // // Some important information regarding the usage of POSIX semaphores: @@ -38,29 +58,14 @@ // Now, VxWorks POSIX-semaphores for DKM's default to the usage of // priority inverting semaphores, which is fine. On the other hand, // for RTP's it defaults to using non priority inverting semaphores, -// which could easily pose a serious problem for a real time process, -// i.e. deadlocks! To overcome this two possibilities do exist: -// -// a) Patch every piece of boost that uses semaphores to instanciate -// the proper type of semaphores. This is non-intrusive with respect -// to the OS and could relatively easy been done by giving all -// semaphores attributes deviating from the default (for in-depth -// information see the POSIX functions pthread_mutexattr_init() -// and pthread_mutexattr_setprotocol()). However this breaks all -// too easily, as with every new version some boost library could -// all in a sudden start using semaphores, resurrecting the very -// same, hard to locate problem over and over again! +// which could easily pose a serious problem for a real time process. // -// b) We could change the default properties for POSIX-semaphores -// that VxWorks uses for RTP's and this is being suggested here, -// as it will more or less seamlessly integrate with boost. I got -// the following information from WRS how to do this, compare -// Wind River TSR# 1209768: -// -// Instructions for changing the default properties of POSIX- -// semaphores for RTP's in VxWorks 6.9: -// - Edit the file /vxworks-6.9/target/usr/src/posix/pthreadLib.c -// in the root of your Workbench-installation. +// To change the default properties for POSIX-semaphores in VxWorks 7 +// enable core > CORE_USER Menu > DEFAULT_PTHREAD_PRIO_INHERIT +// +// In VxWorks 6.x so as to integrate with boost. +// - Edit the file +// installDir/vxworks-6.x/target/usr/src/posix/pthreadLib.c // - Around line 917 there should be the definition of the default // mutex attributes: // @@ -81,30 +86,11 @@ // pAttr->mutexAttrType = PTHREAD_MUTEX_DEFAULT; // // Here again, replace PTHREAD_PRIO_NONE by PTHREAD_PRIO_INHERIT. -// - Finally, rebuild your VSB. This will create a new VxWorks kernel +// - Finally, rebuild your VSB. This will rebuild the libraries // with the changed properties. That's it! Now, using boost should // no longer cause any problems with task deadlocks! // -// And here's another useful piece of information concerning VxWorks' -// POSIX-functionality in general: -// VxWorks is not a genuine POSIX-OS in itself, rather it is using a -// kind of compatibility layer (sort of a wrapper) to emulate the -// POSIX-functionality by using its own resources and functions. -// At the time a task (thread) calls it's first POSIX-function during -// runtime it is being transformed by the OS into a POSIX-thread. -// This transformation does include a call to malloc() to allocate the -// memory required for the housekeeping of POSIX-threads. In a high -// priority RTP this malloc() call may be highly undesirable, as its -// timing is more or less unpredictable (depending on what your actual -// heap looks like). You can circumvent this problem by calling the -// function thread_self() at a well defined point in the code of the -// task, e.g. shortly after the task spawns up. Thereby you are able -// to define the time when the task-transformation will take place and -// you could shift it to an uncritical point where a malloc() call is -// tolerable. So, if this could pose a problem for your code, remember -// to call thread_self() from the affected task at an early stage. -// -// ==================================================================== +// ==================================================================== // Block out all versions before vxWorks 6.x, as these don't work: // Include header with the vxWorks version information and query them @@ -158,11 +144,6 @@ #define BOOST_HAS_CLOCK_GETTIME #define BOOST_HAS_MACRO_USE_FACET -// Generally unavailable functionality, delivered by boost's test function: -//#define BOOST_NO_DEDUCED_TYPENAME // Commented this out, boost's test gives an errorneous result! -#define BOOST_NO_CXX11_EXTERN_TEMPLATE -#define BOOST_NO_CXX11_VARIADIC_MACROS - // Generally available threading API's: #define BOOST_HAS_PTHREADS #define BOOST_HAS_SCHED_YIELD @@ -191,14 +172,7 @@ # endif #endif -// vxWorks doesn't work with asio serial ports: -#define BOOST_ASIO_DISABLE_SERIAL_PORT -// TODO: The problem here seems to bee that vxWorks uses its own, very specific -// ways to handle serial ports, incompatible with POSIX or anything... -// Maybe a specific implementation would be possible, but until the -// straight need arises... This implementation would presumably consist -// of some vxWorks specific ioctl-calls, etc. Any voluteers? - +#if (_WRS_VXWORKS_MAJOR < 7) // vxWorks-around: <time.h> #defines CLOCKS_PER_SEC as sysClkRateGet() but // miserably fails to #include the required <sysLib.h> to make // sysClkRateGet() available! So we manually include it here. @@ -208,11 +182,12 @@ #endif // vxWorks-around: In <stdint.h> the macros INT32_C(), UINT32_C(), INT64_C() and -// UINT64_C() are defined errorneously, yielding not a signed/ +// UINT64_C() are defined erroneously, yielding not a signed/ // unsigned long/long long type, but a signed/unsigned int/long // type. Eventually this leads to compile errors in ratio_fwd.hpp, // when trying to define several constants which do not fit into a // long type! We correct them here by redefining. + #include <cstdint> // Some macro-magic to do the job @@ -231,12 +206,16 @@ #define UINT64_C(x) VX_JOIN(x, ULL) // #include Libraries required for the following function adaption +#include <sys/time.h> +#endif // _WRS_VXWORKS_MAJOR < 7 + #include <ioLib.h> #include <tickLib.h> -#include <sys/time.h> // Use C-linkage for the following helper functions +#ifdef __cplusplus extern "C" { +#endif // vxWorks-around: The required functions getrlimit() and getrlimit() are missing. // But we have the similar functions getprlimit() and setprlimit(), @@ -248,7 +227,7 @@ extern "C" { // TODO: getprlimit() and setprlimit() do exist for RTPs only, for whatever reason. // Thus for DKMs there would have to be another implementation. -#ifdef __RTP__ +#if defined ( __RTP__) && (_WRS_VXWORKS_MAJOR < 7) inline int getrlimit(int resource, struct rlimit *rlp){ return getprlimit(0, 0, resource, rlp); } @@ -273,14 +252,20 @@ inline int truncate(const char *p, off_t l){ return close(fd); } +#ifdef __GNUC__ +#define ___unused __attribute__((unused)) +#else +#define ___unused +#endif + // Fake symlink handling by dummy functions: -inline int symlink(const char*, const char*){ +inline int symlink(const char* path1 ___unused, const char* path2 ___unused){ // vxWorks has no symlinks -> always return an error! errno = EACCES; return -1; } -inline ssize_t readlink(const char*, char*, size_t){ +inline ssize_t readlink(const char* path1 ___unused, char* path2 ___unused, size_t size ___unused){ // vxWorks has no symlinks -> always return an error! errno = EACCES; return -1; @@ -297,8 +282,18 @@ inline int gettimeofday(struct timeval *tv, void * /*tzv*/) { } #endif +#ifdef __cplusplus +} // extern "C" +#endif -// vxWorks does provide neither struct tms nor function times()! +/* + * moved to os/utils/unix/freind_h/times.h in VxWorks 7 + * to avoid conflict with MPL operator times + */ +#if (_WRS_VXWORKS_MAJOR < 7) +#ifdef __cplusplus + +// vxWorks provides neither struct tms nor function times()! // We implement an empty dummy-function, simply setting the user // and system time to the half of thew actual system ticks-value // and the child user and system time to 0. @@ -315,7 +310,8 @@ struct tms{ clock_t tms_cstime; // System CPU time of terminated child processes }; -inline clock_t times(struct tms *t){ + + inline clock_t times(struct tms *t){ struct timespec ts; clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts); clock_t ticks(static_cast<clock_t>(static_cast<double>(ts.tv_sec) * CLOCKS_PER_SEC + @@ -327,8 +323,16 @@ inline clock_t times(struct tms *t){ return ticks; } -extern void bzero (void *, size_t); // FD_ZERO uses bzero() but doesn't include strings.h -} // extern "C" + +namespace std { + using ::times; +} +#endif // __cplusplus +#endif // _WRS_VXWORKS_MAJOR < 7 + + +#ifdef __cplusplus +extern "C" void bzero (void *, size_t); // FD_ZERO uses bzero() but doesn't include strings.h // Put the selfmade functions into the std-namespace, just in case namespace std { @@ -339,9 +343,11 @@ namespace std { using ::truncate; using ::symlink; using ::readlink; - using ::times; - using ::gettimeofday; +#if (_WRS_VXWORKS_MAJOR < 7) + using ::gettimeofday; +#endif } +#endif // __cplusplus // Some more macro-magic: // vxWorks-around: Some functions are not present or broken in vxWorks @@ -349,12 +355,13 @@ namespace std { // Include signal.h which might contain a typo to be corrected here #include <signal.h> - -inline int getpagesize() { return sysconf(_SC_PAGESIZE); } // getpagesize is deprecated anyway! +#if (_WRS_VXWORKS_MAJOR < 7) +#define getpagesize() sysconf(_SC_PAGESIZE) // getpagesize is deprecated anyway! +inline int lstat(p, b) { return stat(p, b); } // lstat() == stat(), as vxWorks has no symlinks! +#endif #ifndef S_ISSOCK # define S_ISSOCK(mode) ((mode & S_IFMT) == S_IFSOCK) // Is file a socket? #endif -inline int lstat(p, b) { return stat(p, b); } // lstat() == stat(), as vxWorks has no symlinks! #ifndef FPE_FLTINV # define FPE_FLTINV (FPE_FLTSUB+1) // vxWorks has no FPE_FLTINV, so define one as a dummy #endif @@ -371,22 +378,56 @@ typedef int locale_t; // locale_t is a POSIX-ex // vxWorks 7 adds C++11 support // however it is optional, and does not match exactly the support determined -// by examining Dinkum STL version and GCC version (or ICC and DCC) - +// by examining the Dinkum STL version and GCC version (or ICC and DCC) #ifndef _WRS_CONFIG_LANG_LIB_CPLUS_CPLUS_USER_2011 -# define BOOST_NO_CXX11_HDR_ARRAY -# define BOOST_NO_CXX11_HDR_TYPEINDEX -# define BOOST_NO_CXX11_HDR_TYPE_TRAITS -# define BOOST_NO_CXX11_HDR_TUPLE +# define BOOST_NO_CXX11_ADDRESSOF // C11 addressof operator on memory location # define BOOST_NO_CXX11_ALLOCATOR +# define BOOST_NO_CXX11_ATOMIC_SMART_PTR +# define BOOST_NO_CXX11_NUMERIC_LIMITS // max_digits10 in test/../print_helper.hpp # define BOOST_NO_CXX11_SMART_PTR # define BOOST_NO_CXX11_STD_ALIGN -# define BOOST_NO_CXX11_HDR_UNORDERED_SET + + +# define BOOST_NO_CXX11_HDR_ARRAY +# define BOOST_NO_CXX11_HDR_ATOMIC +# define BOOST_NO_CXX11_HDR_CHRONO +# define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE +# define BOOST_NO_CXX11_HDR_FORWARD_LIST //serialization/test/test_list.cpp +# define BOOST_NO_CXX11_HDR_FUNCTIONAL +# define BOOST_NO_CXX11_HDR_FUTURE +# define BOOST_NO_CXX11_HDR_MUTEX +# define BOOST_NO_CXX11_HDR_RANDOM //math/../test_data.hpp +# define BOOST_NO_CXX11_HDR_RATIO +# define BOOST_NO_CXX11_HDR_REGEX +# define BOOST_NO_CXX14_HDR_SHARED_MUTEX +# define BOOST_NO_CXX11_HDR_SYSTEM_ERROR +# define BOOST_NO_CXX11_HDR_THREAD +# define BOOST_NO_CXX11_HDR_TYPEINDEX # define BOOST_NO_CXX11_HDR_TYPE_TRAITS +# define BOOST_NO_CXX11_HDR_TUPLE # define BOOST_NO_CXX11_HDR_UNORDERED_MAP -# define BOOST_NO_CXX11_HDR_FUNCTIONAL -# define BOOST_NO_CXX11_HDR_ATOMIC +# define BOOST_NO_CXX11_HDR_UNORDERED_SET #else -# define BOOST_NO_CXX11_NULLPTR +#ifndef BOOST_SYSTEM_NO_DEPRECATED +# define BOOST_SYSTEM_NO_DEPRECATED // workaround link error in spirit #endif +#endif + + +// NONE is used in enums in lamda and other libraries +#undef NONE +// restrict is an iostreams class +#undef restrict + +// use fake poll() from Unix layer in ASIO to get full functionality +// most libraries will use select() but this define allows 'iostream' functionality +// which is based on poll() only +#if (_WRS_VXWORKS_MAJOR > 6) +# ifndef BOOST_ASIO_HAS_POSIX_STREAM_DESCRIPTOR +# define BOOST_ASIO_HAS_POSIX_STREAM_DESCRIPTOR +# endif +#else +# define BOOST_ASIO_DISABLE_SERIAL_PORT +#endif + |