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KWSys 2012-10-16 (b7a97ac3) 

Extract upstream KWSys using the following shell commands.

$ git archive --prefix=upstream-kwsys/ b7a97ac3 | tar x
$ git shortlog --no-merges --abbrev=8 --format='%h %s' bab53989..b7a97ac3
Brad King (3):
      f9db7eab SystemInformation: Fix helper definition order
      a1e83e42 SystemInformation: Expose helper functions only where needed
      b7a97ac3 SystemInformation: Drop unused LoadLines on OS X

Burlen Loring (1):
      6072e63b SystemInformation: support for resource limits

Sean McBride (2):
      a536d833 ProcessUNIX: Suppress warning about uninteresting return code
      00852081 SystemInformation: Fix sloppy use of sysctlbyname() API

Change-Id: Iae8af129a021435ef4e6daef255e312c99d7b773
This commit is contained in:
KWSys Robot 2012-10-16 17:12:23 -04:00 committed by Brad King
parent 5d0de36d2b
commit 7ae44db4b9
6 changed files with 658 additions and 134 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
CMakeLists.txt
View File

@ -509,19 +509,28 @@ ENDIF(KWSYS_USE_FundamentalType)
IF(KWSYS_USE_IOStream)
# Determine whether iostreams support long long.
IF(KWSYS_CXX_HAS_LONG_LONG)
SET(KWSYS_PLATFORM_CXX_TEST_DEFINES
-DKWSYS_IOS_USE_ANSI=${KWSYS_IOS_USE_ANSI}
-DKWSYS_IOS_HAVE_STD=${KWSYS_IOS_HAVE_STD})
IF(KWSYS_CXX_HAS_LONG_LONG)
KWSYS_PLATFORM_CXX_TEST(KWSYS_IOS_HAS_ISTREAM_LONG_LONG
"Checking if istream supports long long" DIRECT)
KWSYS_PLATFORM_CXX_TEST(KWSYS_IOS_HAS_OSTREAM_LONG_LONG
"Checking if ostream supports long long" DIRECT)
SET(KWSYS_PLATFORM_CXX_TEST_DEFINES)
ELSE()
SET(KWSYS_IOS_HAS_ISTREAM_LONG_LONG 0)
SET(KWSYS_IOS_HAS_OSTREAM_LONG_LONG 0)
ENDIF()
IF(KWSYS_CXX_HAS___INT64)
KWSYS_PLATFORM_CXX_TEST(KWSYS_IOS_HAS_ISTREAM___INT64
"Checking if istream supports __int64" DIRECT)
KWSYS_PLATFORM_CXX_TEST(KWSYS_IOS_HAS_OSTREAM___INT64
"Checking if ostream supports __int64" DIRECT)
ELSE()
SET(KWSYS_IOS_HAS_ISTREAM___INT64 0)
SET(KWSYS_IOS_HAS_OSTREAM___INT64 0)
ENDIF()
SET(KWSYS_PLATFORM_CXX_TEST_DEFINES)
ENDIF(KWSYS_USE_IOStream)
IF(KWSYS_NAMESPACE MATCHES "^kwsys$")
@ -588,6 +597,54 @@ IF(KWSYS_USE_SystemInformation)
ENDIF()
ENDIF()
ENDIF()
IF(KWSYS_LFS_AVAILABLE AND NOT KWSYS_LFS_DISABLE)
SET(KWSYS_PLATFORM_CXX_TEST_DEFINES -DKWSYS_HAS_LFS=1)
ENDIF()
KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_RLIMIT64
"Checking whether CXX compiler has rlimit64" DIRECT)
SET(KWSYS_PLATFORM_CXX_TEST_DEFINES)
IF(KWSYS_CXX_HAS_RLIMIT64)
SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
COMPILE_DEFINITIONS KWSYS_CXX_HAS_RLIMIT64=1)
ENDIF()
KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_ATOL
"Checking whether CXX compiler has atol" DIRECT)
IF(KWSYS_CXX_HAS_ATOL)
SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
COMPILE_DEFINITIONS KWSYS_CXX_HAS_ATOL=1)
ENDIF()
KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_ATOLL
"Checking whether CXX compiler has atoll" DIRECT)
IF(KWSYS_CXX_HAS_ATOLL)
SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
COMPILE_DEFINITIONS KWSYS_CXX_HAS_ATOLL=1)
ENDIF()
KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS__ATOI64
"Checking whether CXX compiler has _atoi64" DIRECT)
IF(KWSYS_CXX_HAS__ATOI64)
SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
COMPILE_DEFINITIONS KWSYS_CXX_HAS__ATOI64=1)
ENDIF()
IF(KWSYS_USE___INT64)
SET_PROPERTY(SOURCE SystemInformation.cxx testSystemInformation.cxx APPEND PROPERTY
COMPILE_DEFINITIONS KWSYS_USE___INT64=1)
ENDIF()
IF(KWSYS_USE_LONG_LONG)
SET_PROPERTY(SOURCE SystemInformation.cxx testSystemInformation.cxx APPEND PROPERTY
COMPILE_DEFINITIONS KWSYS_USE_LONG_LONG=1)
ENDIF()
IF(KWSYS_IOS_HAS_OSTREAM_LONG_LONG)
SET_PROPERTY(SOURCE SystemInformation.cxx testSystemInformation.cxx APPEND PROPERTY
COMPILE_DEFINITIONS KWSYS_IOS_HAS_OSTREAM_LONG_LONG=1)
ENDIF()
IF(KWSYS_IOS_HAS_OSTREAM___INT64)
SET_PROPERTY(SOURCE SystemInformation.cxx testSystemInformation.cxx APPEND PROPERTY
COMPILE_DEFINITIONS KWSYS_IOS_HAS_OSTREAM___INT64=1)
ENDIF()
IF(KWSYS_BUILD_SHARED)
SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
COMPILE_DEFINITIONS KWSYS_BUILD_SHARED=1)
ENDIF()
ENDIF()
#-----------------------------------------------------------------------------

1
ProcessUNIX.c
View File

@ -2732,6 +2732,7 @@ static void kwsysProcessesSignalHandler(int signum
kwsysProcess* cp = kwsysProcesses.Processes[i];
kwsysProcess_ssize_t status=
read(cp->PipeReadEnds[KWSYSPE_PIPE_SIGNAL], &buf, 1);
(void)status;
status=write(cp->SignalPipe, &buf, 1);
(void)status;
}

571
SystemInformation.cxx
View File

@ -9,7 +9,9 @@
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#ifdef _WIN32
#if defined(_WIN32)
# define NOMINMAX // use our min,max
# if !defined(_WIN32_WINNT) && !(defined(_MSC_VER) && _MSC_VER < 1300)
# define _WIN32_WINNT 0x0501
# endif
@ -54,6 +56,7 @@
#if defined(_WIN32)
# include <windows.h>
# include <errno.h>
# if defined(KWSYS_SYS_HAS_PSAPI)
# include <psapi.h>
# endif
@ -64,6 +67,7 @@ typedef int siginfo_t;
# include <sys/types.h>
# include <sys/time.h>
# include <sys/utsname.h> // int uname(struct utsname *buf);
# include <sys/resource.h> // getrlimit
# include <unistd.h>
# include <signal.h>
# include <fcntl.h>
@ -71,15 +75,15 @@ typedef int siginfo_t;
#endif
#ifdef __APPLE__
#include <sys/sysctl.h>
#include <mach/vm_statistics.h>
#include <mach/host_info.h>
#include <mach/mach.h>
#include <mach/mach_types.h>
#include <fenv.h>
#include <sys/socket.h>
#include <netdb.h>
#include <netinet/in.h>
# include <sys/sysctl.h>
# include <mach/vm_statistics.h>
# include <mach/host_info.h>
# include <mach/mach.h>
# include <mach/mach_types.h>
# include <fenv.h>
# include <sys/socket.h>
# include <netdb.h>
# include <netinet/in.h>
# if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0 >= 1050
# include <execinfo.h>
# define KWSYS_SYSTEMINFORMATION_HAVE_BACKTRACE
@ -95,6 +99,13 @@ typedef int siginfo_t;
# include <execinfo.h>
# define KWSYS_SYSTEMINFORMATION_HAVE_BACKTRACE
# endif
# if defined(KWSYS_CXX_HAS_RLIMIT64)
typedef struct rlimit64 ResourceLimitType;
# define GetResourceLimit getrlimit64
# else
typedef struct rlimit ResourceLimitType;
# define GetResourceLimit getrlimit
# endif
#elif defined( __hpux )
# include <sys/param.h>
# include <sys/pstat.h>
@ -105,7 +116,7 @@ typedef int siginfo_t;
#endif
#ifdef __HAIKU__
#include <OS.h>
# include <OS.h>
#endif
#include <memory.h>
@ -114,8 +125,38 @@ typedef int siginfo_t;
#include <string.h>
#include <ctype.h> // int isdigit(int c);
#if defined(KWSYS_USE_LONG_LONG)
# if defined(KWSYS_IOS_HAS_OSTREAM_LONG_LONG)
# define iostreamLongLong(x) (x)
# else
# define iostreamLongLong(x) ((long)x)
# endif
#elif defined(KWSYS_USE___INT64)
# if defined(KWSYS_IOS_HAS_OSTREAM___INT64)
# define iostreamLongLong(x) (x)
# else
# define iostreamLongLong(x) ((long)x)
# endif
#else
# error "No Long Long"
#endif
#if defined(KWSYS_CXX_HAS_ATOLL)
# define atoLongLong atoll
#else
# if defined(KWSYS_CXX_HAS__ATOI64)
# define atoLongLong _atoi64
# elif defined(KWSYS_CXX_HAS_ATOL)
# define atoLongLong atol
# else
# define atoLongLong atoi
# endif
#endif
namespace KWSYS_NAMESPACE
{
template<typename T>
T min(T a, T b){ return a<b ? a : b; }
extern "C" { typedef void (*SigAction)(int,siginfo_t*,void*); }
@ -168,8 +209,14 @@ public:
LongLong GetProcessId();
// Retrieve memory information in kib
LongLong GetMemoryTotal();
LongLong GetMemoryUsed();
LongLong GetHostMemoryTotal();
LongLong GetHostMemoryAvailable(const char *envVarName);
LongLong GetHostMemoryUsed();
LongLong GetProcMemoryAvailable(
const char *hostLimitEnvVarName,
const char *procLimitEnvVarName);
LongLong GetProcMemoryUsed();
// enable/disable stack trace signal handler.
static
@ -448,11 +495,7 @@ const char * SystemInformation::GetHostname()
kwsys_stl::string SystemInformation::GetFullyQualifiedDomainName()
{
kwsys_stl::string fqdn;
int ierr=this->Implementation->GetFullyQualifiedDomainName(fqdn);
if (ierr)
{
fqdn="localhost";
}
this->Implementation->GetFullyQualifiedDomainName(fqdn);
return fqdn;
}
@ -552,27 +595,54 @@ size_t SystemInformation::GetAvailablePhysicalMemory()
return this->Implementation->GetAvailablePhysicalMemory();
}
kwsys_stl::string SystemInformation::GetMemoryDescription()
kwsys_stl::string SystemInformation::GetMemoryDescription(
const char *hostLimitEnvVarName,
const char *procLimitEnvVarName)
{
kwsys_stl::ostringstream oss;
oss
<< this->GetTotalPhysicalMemory()
<< " MB physical "
<< this->GetTotalVirtualMemory()
<< " MB virtual";
<< "Host Total: "
<< iostreamLongLong(this->GetHostMemoryTotal())
<< " KiB, Host Available: "
<< iostreamLongLong(this->GetHostMemoryAvailable(hostLimitEnvVarName))
<< " KiB, Process Available: "
<< iostreamLongLong(
this->GetProcMemoryAvailable(hostLimitEnvVarName,procLimitEnvVarName))
<< " KiB";
return oss.str();
}
// Get total system RAM in units of KiB.
SystemInformation::LongLong SystemInformation::GetMemoryTotal()
// host memory info in units of KiB.
SystemInformation::LongLong SystemInformation::GetHostMemoryTotal()
{
return this->Implementation->GetMemoryTotal();
return this->Implementation->GetHostMemoryTotal();
}
SystemInformation::LongLong SystemInformation::GetMemoryUsed()
SystemInformation::LongLong
SystemInformation::GetHostMemoryAvailable(const char *hostLimitEnvVarName)
{
return this->Implementation->GetMemoryUsed();
return this->Implementation->GetHostMemoryAvailable(hostLimitEnvVarName);
}
SystemInformation::LongLong SystemInformation::GetHostMemoryUsed()
{
return this->Implementation->GetHostMemoryUsed();
}
// process memory info in units of KiB.
SystemInformation::LongLong
SystemInformation::GetProcMemoryAvailable(
const char *hostLimitEnvVarName,
const char *procLimitEnvVarName)
{
return this->Implementation->GetProcMemoryAvailable(
hostLimitEnvVarName,
procLimitEnvVarName);
}
SystemInformation::LongLong SystemInformation::GetProcMemoryUsed()
{
return this->Implementation->GetProcMemoryUsed();
}
SystemInformation::LongLong SystemInformation::GetProcessId()
@ -671,34 +741,56 @@ void SystemInformation::RunMemoryCheck()
// initial APIC ID for the processor this code is running on.
// Default value = 0xff if HT is not supported
//*****************************************************************************
// Hide implementation details in an anonymous namespace.
namespace {
// *****************************************************************************
#if defined(__linux) || defined(__APPLE__)
int LoadLines(
const char *fileName,
FILE *file,
kwsys_stl::vector<kwsys_stl::string> &lines)
{
// Load each line in the given file into a the vector.
int nRead=0;
const int bufSize=1024;
char buf[bufSize]={'\0'};
kwsys_stl::ifstream file(fileName);
if (!file.is_open())
while (!feof(file) && !ferror(file))
{
return 0;
errno=0;
if (fgets(buf,bufSize,file) == 0)
{
if (ferror(file) && (errno==EINTR))
{
clearerr(file);
}
continue;
}
while(file.good())
{
file.getline(buf,bufSize);
if (file.gcount()>1)
{
lines.push_back(buf);
++nRead;
}
if (ferror(file))
{
return 0;
}
file.close();
return nRead;
}
# if defined(__linux)
// *****************************************************************************
int LoadLines(
const char *fileName,
kwsys_stl::vector<kwsys_stl::string> &lines)
{
FILE *file=fopen(fileName,"r");
if (file==0)
{
return 0;
}
int nRead=LoadLines(file,lines);
fclose(file);
return nRead;
}
# endif
// ****************************************************************************
template<typename T>
int NameValue(
@ -708,17 +800,44 @@ int NameValue(
size_t nLines=lines.size();
for (size_t i=0; i<nLines; ++i)
{
kwsys_stl::string tok;
kwsys_stl::istringstream is(lines[i]);
is >> tok;
if (tok==name)
size_t at=lines[i].find(name);
if (at==kwsys_stl::string::npos)
{
continue;
}
kwsys_stl::istringstream is(lines[i].substr(at+name.size()));
is >> value;
return 0;
}
}
return -1;
}
#endif
#if defined(__linux)
// ****************************************************************************
template<typename T>
int GetFieldsFromFile(
const char *fileName,
const char **fieldNames,
T *values)
{
kwsys_stl::vector<kwsys_stl::string> fields;
if (!LoadLines(fileName,fields))
{
return -1;
}
int i=0;
while (fieldNames[i]!=NULL)
{
int ierr=NameValue(fields,fieldNames[i],values[i]);
if (ierr)
{
return -(i+2);
}
i+=1;
}
return 0;
}
// ****************************************************************************
template<typename T>
@ -727,202 +846,244 @@ int GetFieldFromFile(
const char *fieldName,
T &value)
{
kwsys_stl::vector<kwsys_stl::string> fields;
if (!LoadLines(fileName,fields))
const char *fieldNames[2]={fieldName,NULL};
T values[1]={T(0)};
int ierr=GetFieldsFromFile(fileName,fieldNames,values);
if (ierr)
{
return ierr;
}
value=values[0];
return 0;
}
#endif
// ****************************************************************************
#if defined(__APPLE__)
template<typename T>
int GetFieldsFromCommand(
const char *command,
const char **fieldNames,
T *values)
{
FILE *file=popen(command,"r");
if (file==0)
{
return -1;
}
int ierr=NameValue(fields,fieldName,value);
kwsys_stl::vector<kwsys_stl::string> fields;
int nl=LoadLines(file,fields);
pclose(file);
if (nl==0)
{
return -1;
}
int i=0;
while (fieldNames[i]!=NULL)
{
int ierr=NameValue(fields,fieldNames[i],values[i]);
if (ierr)
{
return -2;
return -(i+2);
}
i+=1;
}
return 0;
}
#endif
//*****************************************************************************
// ****************************************************************************
#if !defined(_WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__)
void StacktraceSignalHandler(
int sigNo,
siginfo_t *sigInfo,
void * /*sigContext*/)
{
#if defined(__linux) || defined(__APPLE__)
kwsys_ios::cerr << "[" << getpid() << "] ";
kwsys_ios::ostringstream oss;
oss
<< "=========================================================" << kwsys_ios::endl
<< "Process id " << getpid() << " ";
switch (sigNo)
{
case SIGFPE:
kwsys_ios::cerr << "Caught SIGFPE ";
oss << "Caught SIGFPE ";
switch (sigInfo->si_code)
{
# if defined(FPE_INTDIV)
case FPE_INTDIV:
kwsys_ios::cerr << "integer division by zero";
oss << "integer division by zero";
break;
# endif
# if defined(FPE_INTOVF)
case FPE_INTOVF:
kwsys_ios::cerr << "integer overflow";
oss << "integer overflow";
break;
# endif
case FPE_FLTDIV:
kwsys_ios::cerr << "floating point divide by zero";
oss << "floating point divide by zero";
break;
case FPE_FLTOVF:
kwsys_ios::cerr << "floating point overflow";
oss << "floating point overflow";
break;
case FPE_FLTUND:
kwsys_ios::cerr << "floating point underflow";
oss << "floating point underflow";
break;
case FPE_FLTRES:
kwsys_ios::cerr << "floating point inexact result";
oss << "floating point inexact result";
break;
case FPE_FLTINV:
kwsys_ios::cerr << "floating point invalid operation";
oss << "floating point invalid operation";
break;
#if defined(FPE_FLTSUB)
case FPE_FLTSUB:
kwsys_ios::cerr << "floating point subscript out of range";
oss << "floating point subscript out of range";
break;
#endif
default:
kwsys_ios::cerr << "code " << sigInfo->si_code;
oss << "code " << sigInfo->si_code;
break;
}
break;
case SIGSEGV:
kwsys_ios::cerr << "Caught SIGSEGV ";
oss << "Caught SIGSEGV ";
switch (sigInfo->si_code)
{
case SEGV_MAPERR:
kwsys_ios::cerr << "address not mapped to object";
oss << "address not mapped to object";
break;
case SEGV_ACCERR:
kwsys_ios::cerr << "invalid permission for mapped object";
oss << "invalid permission for mapped object";
break;
default:
kwsys_ios::cerr << "code " << sigInfo->si_code;
oss << "code " << sigInfo->si_code;
break;
}
break;
case SIGINT:
kwsys_ios::cerr << "Caught SIGTERM";
oss << "Caught SIGTERM";
break;
case SIGTERM:
kwsys_ios::cerr << "Caught SIGTERM";
oss << "Caught SIGTERM";
break;
case SIGBUS:
kwsys_ios::cerr << "Caught SIGBUS type ";
oss << "Caught SIGBUS type ";
switch (sigInfo->si_code)
{
case BUS_ADRALN:
kwsys_ios::cerr << "invalid address alignment";
oss << "invalid address alignment";
break;
# if defined(BUS_ADRERR)
case BUS_ADRERR:
kwsys_ios::cerr << "non-exestent physical address";
oss << "non-exestent physical address";
break;
# endif
# if defined(BUS_OBJERR)
case BUS_OBJERR:
kwsys_ios::cerr << "object specific hardware error";
oss << "object specific hardware error";
break;
# endif
default:
kwsys_ios::cerr << "code " << sigInfo->si_code;
oss << "code " << sigInfo->si_code;
break;
}
break;
case SIGILL:
kwsys_ios::cerr << "Caught SIGILL ";
oss << "Caught SIGILL ";
switch (sigInfo->si_code)
{
case ILL_ILLOPC:
kwsys_ios::cerr << "illegal opcode";
oss << "illegal opcode";
break;
# if defined(ILL_ILLOPN)
case ILL_ILLOPN:
kwsys_ios::cerr << "illegal operand";
oss << "illegal operand";
break;
# endif
# if defined(ILL_ILLADR)
case ILL_ILLADR:
kwsys_ios::cerr << "illegal addressing mode.";
oss << "illegal addressing mode.";
break;
# endif
case ILL_ILLTRP:
kwsys_ios::cerr << "illegal trap";
oss << "illegal trap";
case ILL_PRVOPC:
kwsys_ios::cerr << "privileged opcode";
oss << "privileged opcode";
break;
# if defined(ILL_PRVREG)
case ILL_PRVREG:
kwsys_ios::cerr << "privileged register";
oss << "privileged register";
break;
# endif
# if defined(ILL_COPROC)
case ILL_COPROC:
kwsys_ios::cerr << "co-processor error";
oss << "co-processor error";
break;
# endif
# if defined(ILL_BADSTK)
case ILL_BADSTK:
kwsys_ios::cerr << "internal stack error";
oss << "internal stack error";
break;
# endif
default:
kwsys_ios::cerr << "code " << sigInfo->si_code;
oss << "code " << sigInfo->si_code;
break;
}
break;
default:
kwsys_ios::cerr << "Caught " << sigNo << " code " << sigInfo->si_code;
oss << "Caught " << sigNo << " code " << sigInfo->si_code;
break;
}
kwsys_ios::cerr << kwsys_ios::endl;
oss << kwsys_ios::endl;
#if defined(KWSYS_SYSTEMINFORMATION_HAVE_BACKTRACE)
kwsys_ios::cerr << "Stack:" << kwsys_ios::endl;
void *stack[128];
int n=backtrace(stack,128);
backtrace_symbols_fd(stack,n,2);
oss << "Program Stack:" << kwsys_ios::endl;
void *stackSymbols[128];
int n=backtrace(stackSymbols,128);
char **stackText=backtrace_symbols(stackSymbols,n);
for (int i=0; i<n; ++i)
{
oss << " " << stackText[i] << kwsys_ios::endl;
}
#endif
oss
<< "=========================================================" << kwsys_ios::endl;
kwsys_ios::cerr << oss.str() << kwsys_ios::endl;
abort();
#else
// avoid warning C4100
(void)sigNo;
(void)sigInfo;
#endif
}
#endif
} // anonymous namespace
SystemInformationImplementation::SystemInformationImplementation()
{
@ -1047,6 +1208,29 @@ const char * SystemInformationImplementation::GetOSName()
/** Get the hostname */
const char* SystemInformationImplementation::GetHostname()
{
if (this->Hostname.empty())
{
this->Hostname="localhost";
#if defined(_WIN32)
WORD wVersionRequested;
WSADATA wsaData;
char name[255];
wVersionRequested = MAKEWORD(2,0);
if ( WSAStartup( wVersionRequested, &wsaData ) == 0 )
{
gethostname(name,sizeof(name));
WSACleanup( );
}
this->Hostname = name;
#else
struct utsname unameInfo;
int errorFlag = uname(&unameInfo);
if(errorFlag == 0)
{
this->Hostname = unameInfo.nodename;
}
#endif
}
return this->Hostname.c_str();
}
@ -1092,7 +1276,12 @@ int SystemInformationImplementation::GetFullyQualifiedDomainName(
// we want the fully qualified domain name. Because there are
// any number of interfaces on this system we look for the
// first of these that contains the name returned by gethostname
// and is longer. failing that we return gethostname.
// and is longer. failing that we return gethostname and indicate
// with a failure code. Return of a failure code is not necessarilly
// an indication of an error. for instance gethostname may return
// the fully qualified domain name, or there may not be one if the
// system lives on a private network such as in the case of a cluster
// node.
int ierr=0;
char base[NI_MAXHOST];
@ -1132,8 +1321,8 @@ int SystemInformationImplementation::GetFullyQualifiedDomainName(
NI_NAMEREQD);
if (ierr)
{
// don't report the error now since we may succeed on another
// interface. If all attempts fail then retrun an error code.
// don't report the failure now since we may succeed on another
// interface. If all attempts fail then return the failure code.
ierr=-3;
continue;
}
@ -1153,6 +1342,7 @@ int SystemInformationImplementation::GetFullyQualifiedDomainName(
return ierr;
#else
/* TODO: Implement on more platforms. */
fqdn=this->GetHostname();
return -1;
#endif
}
@ -2905,7 +3095,7 @@ int SystemInformationImplementation::RetreiveInformationFromCpuInfoFile()
Get total system RAM in units of KiB.
*/
SystemInformation::LongLong
SystemInformationImplementation::GetMemoryTotal()
SystemInformationImplementation::GetHostMemoryTotal()
{
#if defined(_WIN32)
# if defined(_MSC_VER) && _MSC_VER < 1300
@ -2920,7 +3110,7 @@ SystemInformationImplementation::GetMemoryTotal()
return statex.ullTotalPhys/1024;
# endif
#elif defined(__linux)
LongLong memTotal=0;
SystemInformation::LongLong memTotal=0;
int ierr=GetFieldFromFile("/proc/meminfo","MemTotal:",memTotal);
if (ierr)
{
@ -2941,16 +3131,157 @@ SystemInformationImplementation::GetMemoryTotal()
#endif
}
/**
Get total system RAM in units of KiB. This may differ from the
host total if a host-wide resource limit is applied.
*/
SystemInformation::LongLong
SystemInformationImplementation::GetHostMemoryAvailable(const char *hostLimitEnvVarName)
{
SystemInformation::LongLong memTotal=this->GetHostMemoryTotal();
// the following mechanism is provided for systems that
// apply resource limits across groups of processes.
// this is of use on certain SMP systems (eg. SGI UV)
// where the host has a large amount of ram but a given user's
// access to it is severly restricted. The system will
// apply a limit across a set of processes. Units are in KiB.
if (hostLimitEnvVarName)
{
const char *hostLimitEnvVarValue=getenv(hostLimitEnvVarName);
if (hostLimitEnvVarValue)
{
SystemInformation::LongLong hostLimit=atoLongLong(hostLimitEnvVarValue);
if (hostLimit>0)
{
memTotal=min(hostLimit,memTotal);
}
}
}
return memTotal;
}
/**
Get total system RAM in units of KiB. This may differ from the
host total if a per-process resource limit is applied.
*/
SystemInformation::LongLong
SystemInformationImplementation::GetProcMemoryAvailable(
const char *hostLimitEnvVarName,
const char *procLimitEnvVarName)
{
SystemInformation::LongLong memAvail
= this->GetHostMemoryAvailable(hostLimitEnvVarName);
// the following mechanism is provide for systems where rlimits
// are not employed. Units are in KiB.
if (procLimitEnvVarName)
{
const char *procLimitEnvVarValue=getenv(procLimitEnvVarName);
if (procLimitEnvVarValue)
{
SystemInformation::LongLong procLimit=atoLongLong(procLimitEnvVarValue);
if (procLimit>0)
{
memAvail=min(procLimit,memAvail);
}
}
}
#if defined(__linux)
int ierr;
ResourceLimitType rlim;
ierr=GetResourceLimit(RLIMIT_DATA,&rlim);
if ((ierr==0) && (rlim.rlim_cur != RLIM_INFINITY))
{
memAvail=min((SystemInformation::LongLong)rlim.rlim_cur/1024,memAvail);
}
ierr=GetResourceLimit(RLIMIT_AS,&rlim);
if ((ierr==0) && (rlim.rlim_cur != RLIM_INFINITY))
{
memAvail=min((SystemInformation::LongLong)rlim.rlim_cur/1024,memAvail);
}
#elif defined(__APPLE__)
struct rlimit rlim;
int ierr;
ierr=getrlimit(RLIMIT_DATA,&rlim);
if ((ierr==0) && (rlim.rlim_cur != RLIM_INFINITY))
{
memAvail=min((SystemInformation::LongLong)rlim.rlim_cur/1024,memAvail);
}
ierr=getrlimit(RLIMIT_RSS,&rlim);
if ((ierr==0) && (rlim.rlim_cur != RLIM_INFINITY))
{
memAvail=min((SystemInformation::LongLong)rlim.rlim_cur/1024,memAvail);
}
#endif
return memAvail;
}
/**
Get RAM used by all processes in the host, in units of KiB.
*/
SystemInformation::LongLong
SystemInformationImplementation::GetHostMemoryUsed()
{
#if defined(_WIN32)
# if defined(_MSC_VER) && _MSC_VER < 1300
MEMORYSTATUS stat;
stat.dwLength = sizeof(stat);
GlobalMemoryStatus(&stat);
return (stat.dwTotalPhys - stat.dwAvailPhys)/1024;
# else
MEMORYSTATUSEX statex;
statex.dwLength=sizeof(statex);
GlobalMemoryStatusEx(&statex);
return (statex.ullTotalPhys - statex.ullAvailPhys)/1024;
# endif
#elif defined(__linux)
const char *names[3]={"MemTotal:","MemFree:",NULL};
SystemInformation::LongLong values[2]={SystemInformation::LongLong(0)};
int ierr=GetFieldsFromFile("/proc/meminfo",names,values);
if (ierr)
{
return ierr;
}
SystemInformation::LongLong &memTotal=values[0];
SystemInformation::LongLong &memFree=values[1];
return memTotal - memFree;
#elif defined(__APPLE__)
SystemInformation::LongLong psz=getpagesize();
if (psz<1)
{
return -1;
}
const char *names[4]={"Pages active:","Pages inactive:","Pages wired down:",NULL};
SystemInformation::LongLong values[3]={SystemInformation::LongLong(0)};
int ierr=GetFieldsFromCommand("vm_stat", names, values);
if (ierr)
{
return -1;
}
SystemInformation::LongLong &vmActive=values[0];
SystemInformation::LongLong &vmInactive=values[1];
SystemInformation::LongLong &vmWired=values[2];
return ((vmActive+vmInactive+vmWired)*psz)/1024;
#else
return 0;
#endif
}
/**
Get system RAM used by the process associated with the given
process id in units of KiB.
*/
SystemInformation::LongLong
SystemInformationImplementation::GetMemoryUsed()
SystemInformationImplementation::GetProcMemoryUsed()
{
#if defined(_WIN32) && defined(KWSYS_SYS_HAS_PSAPI)
long pid=GetCurrentProcessId();
HANDLE hProc;
hProc=OpenProcess(
PROCESS_QUERY_INFORMATION|PROCESS_VM_READ,
@ -2960,7 +3291,6 @@ SystemInformationImplementation::GetMemoryUsed()
{
return -1;
}
PROCESS_MEMORY_COUNTERS pmc;
int ok=GetProcessMemoryInfo(hProc,&pmc,sizeof(pmc));
CloseHandle(hProc);
@ -2970,7 +3300,7 @@ SystemInformationImplementation::GetMemoryUsed()
}
return pmc.WorkingSetSize/1024;
#elif defined(__linux)
LongLong memUsed=0;
SystemInformation::LongLong memUsed=0;
int ierr=GetFieldFromFile("/proc/self/status","VmRSS:",memUsed);
if (ierr)
{
@ -2978,23 +3308,34 @@ SystemInformationImplementation::GetMemoryUsed()
}
return memUsed;
#elif defined(__APPLE__)
SystemInformation::LongLong memUsed=0;
pid_t pid=getpid();
kwsys_stl::ostringstream oss;
oss << "ps -o rss= -p " << pid;
FILE *f=popen(oss.str().c_str(),"r");
if (f==0)
FILE *file=popen(oss.str().c_str(),"r");
if (file==0)
{
return -1;
}
oss.str("");
char buf[256]={'\0'};
while (fgets(buf, 256, f) != 0)
while (!feof(file) && !ferror(file))
{
oss << buf;
char buf[256]={'\0'};
errno=0;
size_t nRead=fread(buf,1,256,file);
if (ferror(file) && (errno==EINTR))
{
clearerr(file);
}
if (nRead) oss << buf;
}
int ierr=ferror(file);
pclose(file);
if (ierr)
{
return -2;
}
pclose(f);
kwsys_stl::istringstream iss(oss.str());
LongLong memUsed=0;
iss >> memUsed;
return memUsed;
#else
@ -3603,6 +3944,7 @@ bool SystemInformationImplementation::ParseSysCtl()
if ( host_statistics(mach_host_self(), HOST_VM_INFO,
(host_info_t) &vmstat, &count) == KERN_SUCCESS )
{
len = sizeof(value);
err = sysctlbyname("hw.pagesize", &value, &len, NULL, 0);
int64_t available_memory = vmstat.free_count * value;
this->AvailablePhysicalMemory = static_cast< size_t >( available_memory / 1048576 );
@ -3613,7 +3955,7 @@ bool SystemInformationImplementation::ParseSysCtl()
int mib[2] = { CTL_VM, VM_SWAPUSAGE };
size_t miblen = sizeof(mib) / sizeof(mib[0]);
struct xsw_usage swap;
len = sizeof(struct xsw_usage);
len = sizeof(swap);
err = sysctl(mib, miblen, &swap, &len, NULL, 0);
if (err == 0)
{
@ -3628,6 +3970,7 @@ bool SystemInformationImplementation::ParseSysCtl()
// CPU Info
len = sizeof(this->NumberOfPhysicalCPU);
sysctlbyname("hw.physicalcpu", &this->NumberOfPhysicalCPU, &len, NULL, 0);
len = sizeof(this->NumberOfLogicalCPU);
sysctlbyname("hw.logicalcpu", &this->NumberOfLogicalCPU, &len, NULL, 0);
this->Features.ExtendedFeatures.LogicalProcessorsPerPhysical =
this->LogicalCPUPerPhysicalCPU();
@ -3653,8 +3996,9 @@ bool SystemInformationImplementation::ParseSysCtl()
if (machineBuf.find_first_of("Power") != kwsys_stl::string::npos)
{
this->ChipID.Vendor = "IBM";
len = 4;
len = sizeof(this->ChipID.Family);
err = sysctlbyname("hw.cputype", &this->ChipID.Family, &len, NULL, 0);
len = sizeof(this->ChipID.Model);
err = sysctlbyname("hw.cpusubtype", &this->ChipID.Model, &len, NULL, 0);
this->FindManufacturer();
}
@ -3679,8 +4023,8 @@ bool SystemInformationImplementation::ParseSysCtl()
}
// brand string
::memset(retBuf, 0, 128);
len = 128;
::memset(retBuf, 0, sizeof(retBuf));
len = sizeof(retBuf);
err = sysctlbyname("machdep.cpu.brand_string", retBuf, &len, NULL, 0);
if (!err)
{
@ -3692,6 +4036,7 @@ bool SystemInformationImplementation::ParseSysCtl()
len = sizeof(value);
err = sysctlbyname("hw.l1icachesize", &value, &len, NULL, 0);
this->Features.L1CacheSize = static_cast< int >( value );
len = sizeof(value);
err = sysctlbyname("hw.l2cachesize", &value, &len, NULL, 0);
this->Features.L2CacheSize = static_cast< int >( value );

45
SystemInformation.hxx.in
View File

@ -24,7 +24,6 @@
namespace @KWSYS_NAMESPACE@
{
// forward declare the implementation class
class SystemInformationImplementation;
@ -96,15 +95,44 @@ public:
size_t GetTotalPhysicalMemory();
size_t GetAvailablePhysicalMemory();
// returns an informative general description if the ram
// on this system
kwsys_stl::string GetMemoryDescription();
// returns an informative general description if the installed and
// available ram on this system. See the GetHostMmeoryTotal, and
// Get{Host,Proc}MemoryAvailable methods for more information.
kwsys_stl::string GetMemoryDescription(
const char *hostLimitEnvVarName=NULL,
const char *procLimitEnvVarName=NULL);
// Retrieve physical memory information in kib
LongLong GetMemoryTotal();
LongLong GetMemoryUsed();
// Retrieve amount of physical memory installed on the system in KiB
// units.
LongLong GetHostMemoryTotal();
// enable/disable stack trace signal handler.
// Get total system RAM in units of KiB available colectivley to all
// processes in a process group. An example of a process group
// are the processes comprising an mpi program which is running in
// parallel. The amount of memory reported may differ from the host
// total if a host wide resource limit is applied. Such reource limits
// are reported to us via an applicaiton specified environment variable.
LongLong GetHostMemoryAvailable(const char *hostLimitEnvVarName=NULL);
// Get total system RAM in units of KiB available to this process.
// This may differ from the host available if a per-process resource
// limit is applied. per-process memory limits are applied on unix
// system via rlimit api. Resource limits that are not imposed via
// rlimit api may be reported to us via an application specified
// environment variable.
LongLong GetProcMemoryAvailable(
const char *hostLimitEnvVarName=NULL,
const char *procLimitEnvVarName=NULL);
// Get the system RAM used by all processes on the host, in units of KiB.
LongLong GetHostMemoryUsed();
// Get system RAM used by this process id in units of KiB.
LongLong GetProcMemoryUsed();
// enable/disable stack trace signal handler. In order to
// produce an informative stack trace the application should
// be dynamically linked and compiled with debug symbols.
static
void SetStackTraceOnError(int enable);
@ -113,6 +141,7 @@ public:
void RunOSCheck();
void RunMemoryCheck();
};
} // namespace @KWSYS_NAMESPACE@
/* Undefine temporary macros. */

66
kwsysPlatformTestsCXX.cxx
View File

@ -358,6 +358,30 @@ int main()
}
#endif
#ifdef TEST_KWSYS_IOS_HAS_ISTREAM___INT64
int test_istream(kwsys_ios::istream& is, __int64& x)
{
return (is >> x)? 1:0;
}
int main()
{
__int64 x = 0;
return test_istream(kwsys_ios::cin, x);
}
#endif
#ifdef TEST_KWSYS_IOS_HAS_OSTREAM___INT64
int test_ostream(kwsys_ios::ostream& os, __int64 x)
{
return (os << x)? 1:0;
}
int main()
{
__int64 x = 0;
return test_ostream(kwsys_ios::cout, x);
}
#endif
#ifdef TEST_KWSYS_CHAR_IS_SIGNED
/* Return 0 for char signed and 1 for char unsigned. */
int main()
@ -428,6 +452,48 @@ int main()
}
#endif
#ifdef TEST_KWSYS_CXX_HAS_RLIMIT64
# if defined(KWSYS_HAS_LFS)
# define _LARGEFILE_SOURCE
# define _LARGEFILE64_SOURCE
# define _LARGE_FILES
# define _FILE_OFFSET_BITS 64
# endif
# include <sys/resource.h>
int main()
{
struct rlimit64 rlim;
return getrlimit64(0,&rlim);
}
#endif
#ifdef TEST_KWSYS_CXX_HAS_ATOLL
#include <stdlib.h>
int main()
{
const char *str="1024";
return static_cast<int>(atoll(str));
}
#endif
#ifdef TEST_KWSYS_CXX_HAS_ATOL
#include <stdlib.h>
int main()
{
const char *str="1024";
return static_cast<int>(atol(str));
}
#endif
#ifdef TEST_KWSYS_CXX_HAS__ATOI64
#include <stdlib.h>
int main()
{
const char *str="1024";
return static_cast<int>(_atoi64(str));
}
#endif
#ifdef TEST_KWSYS_CXX_TYPE_INFO
/* Collect fundamental type information and save it to a CMake script. */

34
testSystemInformation.cxx
View File

@ -13,8 +13,6 @@
#include KWSYS_HEADER(SystemInformation.hxx)
#include KWSYS_HEADER(ios/iostream)
// Work-around CMake dependency scanning limitation. This must
// duplicate the above list of headers.
#if 0
@ -22,12 +20,31 @@
# include "kwsys_ios_iostream.h.in"
#endif
#define printMethod(inof, m) kwsys_ios::cout << #m << ": " \
#if defined(KWSYS_USE_LONG_LONG)
# if defined(KWSYS_IOS_HAS_OSTREAM_LONG_LONG)
# define iostreamLongLong(x) (x)
# else
# define iostreamLongLong(x) ((long)x)
# endif
#elif defined(KWSYS_USE___INT64)
# if defined(KWSYS_IOS_HAS_OSTREAM___INT64)
# define iostreamLongLong(x) (x)
# else
# define iostreamLongLong(x) ((long)x)
# endif
#else
# error "No Long Long"
#endif
#define printMethod(info, m) kwsys_ios::cout << #m << ": " \
<< info.m() << "\n"
#define printMethod2(inof, m, unit) kwsys_ios::cout << #m << ": " \
#define printMethod2(info, m, unit) kwsys_ios::cout << #m << ": " \
<< info.m() << " " << unit << "\n"
#define printMethod3(info, m, unit) kwsys_ios::cout << #m << ": " \
<< iostreamLongLong(info.m) << " " << unit << "\n"
int testSystemInformation(int, char*[])
{
kwsys::SystemInformation info;
@ -35,7 +52,11 @@ int testSystemInformation(int, char*[])
info.RunOSCheck();
info.RunMemoryCheck();
printMethod(info, GetOSName);
printMethod(info, GetOSIsLinux);
printMethod(info, GetOSIsApple);
printMethod(info, GetOSIsWindows);
printMethod(info, GetHostname);
printMethod(info, GetFullyQualifiedDomainName);
printMethod(info, GetOSRelease);
printMethod(info, GetOSVersion);
printMethod(info, GetOSPlatform);
@ -58,6 +79,11 @@ int testSystemInformation(int, char*[])
printMethod2(info, GetAvailableVirtualMemory, "MB");
printMethod2(info, GetTotalPhysicalMemory, "MB");
printMethod2(info, GetAvailablePhysicalMemory, "MB");
printMethod3(info, GetHostMemoryTotal(), "KiB");
printMethod3(info, GetHostMemoryAvailable("KWSHL"), "KiB");
printMethod3(info, GetProcMemoryAvailable("KWSHL","KWSPL"), "KiB");
printMethod3(info, GetHostMemoryUsed(), "KiB");
printMethod3(info, GetProcMemoryUsed(), "KiB");
//int GetProcessorCacheXSize(long int);
// bool DoesCPUSupportFeature(long int);