correct access for virtual

[wxWidgets.git] / src / unix / utilsunx.cpp

diff --git a/src/unix/utilsunx.cpp b/src/unix/utilsunx.cpp
index f6d60dcf320a3fa8c5fc1c64b67d6e218f54ef96..67a97b734a772385b86ca09736ea3b15a391d27e 100644 (file)
--- a/src/unix/utilsunx.cpp
+++ b/src/unix/utilsunx.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        unix/utilsunx.cpp
+// Name:        src/unix/utilsunx.cpp

 // Purpose:     generic Unix implementation of many wx functions
 // Author:      Vadim Zeitlin
 // Id:          $Id$
 // Purpose:     generic Unix implementation of many wx functions
 // Author:      Vadim Zeitlin
 // Id:          $Id$


@@ -15,26 +15,64 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#include "wx/defs.h"
-#include "wx/string.h"
-
-#include "wx/intl.h"
-#include "wx/log.h"
-#include "wx/app.h"
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"

 
 #include "wx/utils.h"
 
 #include "wx/utils.h"

+
+#ifndef WX_PRECOMP
+    #include "wx/string.h"
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/app.h"
+#endif
+
+#include "wx/apptrait.h"
+

 #include "wx/process.h"
 #include "wx/thread.h"
 
 #include "wx/wfstream.h"
 
 #include "wx/unix/execute.h"
 #include "wx/process.h"
 #include "wx/thread.h"
 
 #include "wx/wfstream.h"
 
 #include "wx/unix/execute.h"

+#include "wx/unix/private.h"
+
+#include <pwd.h>
+
+#ifdef HAVE_SYS_SELECT_H
+#   include <sys/select.h>
+#endif
+
+#define HAS_PIPE_INPUT_STREAM (wxUSE_STREAMS && wxUSE_FILE)

 
 

-#ifdef __WXBASE__
+#if HAS_PIPE_INPUT_STREAM
+
+// define this to let wxexec.cpp know that we know what we're doing
+#define _WX_USED_BY_WXEXECUTE_
+#include "../common/execcmn.cpp"

 
 

-#if defined( __MWERKS__ ) && defined(__MACH__)
-#define WXWIN_OS_DESCRIPTION "MacOS X"
-#define HAVE_NANOSLEEP
+#endif // HAS_PIPE_INPUT_STREAM
+
+#if wxUSE_BASE
+
+#if defined(__MWERKS__) && defined(__MACH__)
+    #ifndef WXWIN_OS_DESCRIPTION
+        #define WXWIN_OS_DESCRIPTION "MacOS X"
+    #endif
+    #ifndef HAVE_NANOSLEEP
+        #define HAVE_NANOSLEEP
+    #endif
+    #ifndef HAVE_UNAME
+        #define HAVE_UNAME
+    #endif
+
+    // our configure test believes we can use sigaction() if the function is
+    // available but Metrowekrs with MSL run-time does have the function but
+    // doesn't have sigaction struct so finally we can't use it...
+    #ifdef __MSL__
+        #undef wxUSE_ON_FATAL_EXCEPTION
+        #define wxUSE_ON_FATAL_EXCEPTION 0
+    #endif

 #endif
 
 // not only the statfs syscall is called differently depending on platform, but
 #endif
 
 // not only the statfs syscall is called differently depending on platform, but


@@ -51,6 +89,11 @@
     #endif // __BSD__/!__BSD__
 
     #define wxStatfs statfs
     #endif // __BSD__/!__BSD__
 
     #define wxStatfs statfs

+
+    #ifndef HAVE_STATFS_DECL
+        // some systems lack statfs() prototype in the system headers (AIX 4)
+        extern "C" int statfs(const char *path, struct statfs *buf);
+    #endif

 #endif // HAVE_STATFS
 
 #ifdef HAVE_STATVFS
 #endif // HAVE_STATFS
 
 #ifdef HAVE_STATVFS


@@ -77,7 +120,6 @@
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <unistd.h>

-#include <pwd.h>

 #include <errno.h>
 #include <netdb.h>
 #include <signal.h>
 #include <errno.h>
 #include <netdb.h>
 #include <signal.h>


@@ -90,6 +132,12 @@
     #include <sys/utsname.h> // for uname()
 #endif // HAVE_UNAME
 
     #include <sys/utsname.h> // for uname()
 #endif // HAVE_UNAME
 

+// Used by wxGetFreeMemory().
+#ifdef __SGI__
+    #include <sys/sysmp.h>
+    #include <sys/sysinfo.h>   // for SAGET and MINFO structures
+#endif
+

 // ----------------------------------------------------------------------------
 // conditional compilation
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // conditional compilation
 // ----------------------------------------------------------------------------


@@ -98,9 +146,9 @@
 // headers - please add your system here if it is the case for your OS.
 // SunOS < 5.6 (i.e. Solaris < 2.6) and DG-UX are like this.
 #if !defined(HAVE_USLEEP) && \
 // headers - please add your system here if it is the case for your OS.
 // SunOS < 5.6 (i.e. Solaris < 2.6) and DG-UX are like this.
 #if !defined(HAVE_USLEEP) && \

-    (defined(__SUN__) && !defined(__SunOs_5_6) && \
+    ((defined(__SUN__) && !defined(__SunOs_5_6) && \

                          !defined(__SunOs_5_7) && !defined(__SUNPRO_CC)) || \
                          !defined(__SunOs_5_7) && !defined(__SUNPRO_CC)) || \

-     defined(__osf__) || defined(__EMX__)
+     defined(__osf__) || defined(__EMX__))

     extern "C"
     {
         #ifdef __SUN__
     extern "C"
     {
         #ifdef __SUN__


@@ -136,12 +184,12 @@ void wxSleep(int nSecs)
     sleep(nSecs);
 }
 
     sleep(nSecs);
 }
 

-void wxUsleep(unsigned long milliseconds)
+void wxMicroSleep(unsigned long microseconds)

 {
 #if defined(HAVE_NANOSLEEP)
     timespec tmReq;
 {
 #if defined(HAVE_NANOSLEEP)
     timespec tmReq;

-    tmReq.tv_sec = (time_t)(milliseconds / 1000);
-    tmReq.tv_nsec = (milliseconds % 1000) * 1000 * 1000;
+    tmReq.tv_sec = (time_t)(microseconds / 1000000);
+    tmReq.tv_nsec = (microseconds % 1000000) * 1000;

 
     // we're not interested in remaining time nor in return value
     (void)nanosleep(&tmReq, (timespec *)NULL);
 
     // we're not interested in remaining time nor in return value
     (void)nanosleep(&tmReq, (timespec *)NULL);


@@ -154,25 +202,30 @@ void wxUsleep(unsigned long milliseconds)
         #error "usleep() cannot be used in MT programs under Solaris."
     #endif // Sun
 
         #error "usleep() cannot be used in MT programs under Solaris."
     #endif // Sun
 

-    usleep(milliseconds * 1000); // usleep(3) wants microseconds
+    usleep(microseconds);

 #elif defined(HAVE_SLEEP)
     // under BeOS sleep() takes seconds (what about other platforms, if any?)
 #elif defined(HAVE_SLEEP)
     // under BeOS sleep() takes seconds (what about other platforms, if any?)

-    sleep(milliseconds * 1000);
+    sleep(microseconds * 1000000);

 #else // !sleep function
 #else // !sleep function

-    #error "usleep() or nanosleep() function required for wxUsleep"
+    #error "usleep() or nanosleep() function required for wxMicroSleep"

 #endif // sleep function
 }
 
 #endif // sleep function
 }
 

+void wxMilliSleep(unsigned long milliseconds)
+{
+    wxMicroSleep(milliseconds*1000);
+}
+

 // ----------------------------------------------------------------------------
 // process management
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // process management
 // ----------------------------------------------------------------------------
 

-int wxKill(long pid, wxSignal sig, wxKillError *rc)
+int wxKill(long pid, wxSignal sig, wxKillError *rc, int flags)

 {
 {

-    int err = kill((pid_t)pid, (int)sig);
+    int err = kill((pid_t) (flags & wxKILL_CHILDREN) ? -pid : pid, (int)sig);

     if ( rc )
     {
     if ( rc )
     {

-        switch ( errno )
+        switch ( err ? errno : 0 )

         {
             case 0:
                 *rc = wxKILL_OK;
         {
             case 0:
                 *rc = wxKILL_OK;


@@ -204,9 +257,16 @@ int wxKill(long pid, wxSignal sig, wxKillError *rc)
 
 #define WXEXECUTE_NARGS   127
 
 
 #define WXEXECUTE_NARGS   127
 

+#if defined(__DARWIN__)
+long wxMacExecute(wxChar **argv,
+               int flags,
+               wxProcess *process);
+#endif
+

 long wxExecute( const wxString& command, int flags, wxProcess *process )
 {
 long wxExecute( const wxString& command, int flags, wxProcess *process )
 {

-    wxCHECK_MSG( !command.IsEmpty(), 0, wxT("can't exec empty command") );
+    wxCHECK_MSG( !command.empty(), 0, wxT("can't exec empty command") );
+    wxLogDebug(wxString(wxT("Launching: ")) + command);

 
 #if wxUSE_THREADS
     // fork() doesn't mix well with POSIX threads: on many systems the program
 
 #if wxUSE_THREADS
     // fork() doesn't mix well with POSIX threads: on many systems the program


@@ -223,12 +283,12 @@ long wxExecute( const wxString& command, int flags, wxProcess *process )
     wxString argument;
     const wxChar *cptr = command.c_str();
     wxChar quotechar = wxT('\0'); // is arg quoted?
     wxString argument;
     const wxChar *cptr = command.c_str();
     wxChar quotechar = wxT('\0'); // is arg quoted?

-    bool escaped = FALSE;
+    bool escaped = false;

 
     // split the command line in arguments
     do
     {
 
     // split the command line in arguments
     do
     {

-        argument=wxT("");
+        argument = wxEmptyString;

         quotechar = wxT('\0');
 
         // eat leading whitespace:
         quotechar = wxT('\0');
 
         // eat leading whitespace:


@@ -242,14 +302,14 @@ long wxExecute( const wxString& command, int flags, wxProcess *process )
         {
             if ( *cptr == wxT('\\') && ! escaped )
             {
         {
             if ( *cptr == wxT('\\') && ! escaped )
             {

-                escaped = TRUE;
+                escaped = true;

                 cptr++;
                 continue;
             }
 
             // all other characters:
             argument += *cptr++;
                 cptr++;
                 continue;
             }
 
             // all other characters:
             argument += *cptr++;

-            escaped = FALSE;
+            escaped = false;

 
             // have we reached the end of the argument?
             if ( (*cptr == quotechar && ! escaped)
 
             // have we reached the end of the argument?
             if ( (*cptr == quotechar && ! escaped)


@@ -273,8 +333,18 @@ long wxExecute( const wxString& command, int flags, wxProcess *process )
     } while(*cptr);
     argv[argc] = NULL;
 
     } while(*cptr);
     argv[argc] = NULL;
 

+    long lRc;
+#if defined(__DARWIN__)
+    // wxMacExecute only executes app bundles.
+    // It returns an error code if the target is not an app bundle, thus falling
+    // through to the regular wxExecute for non app bundles.
+    lRc = wxMacExecute(argv, flags, process);
+    if( lRc != ((flags & wxEXEC_SYNC) ? -1 : 0))
+        return lRc;
+#endif
+

     // do execute the command
     // do execute the command

-    long lRc = wxExecute(argv, flags, process);
+    lRc = wxExecute(argv, flags, process);

 
     // clean up
     argc = 0;
 
     // clean up
     argc = 0;


@@ -312,7 +382,7 @@ bool wxShell(const wxString& command)
 
 bool wxShell(const wxString& command, wxArrayString& output)
 {
 
 bool wxShell(const wxString& command, wxArrayString& output)
 {

-    wxCHECK_MSG( !!command, FALSE, _T("can't exec shell non interactively") );
+    wxCHECK_MSG( !command.empty(), false, _T("can't exec shell non interactively") );

 
     return wxExecute(wxMakeShellCommand(command), output);
 }
 
     return wxExecute(wxMakeShellCommand(command), output);
 }


@@ -333,39 +403,22 @@ bool wxShutdown(wxShutdownFlags wFlags)
 
         default:
             wxFAIL_MSG( _T("unknown wxShutdown() flag") );
 
         default:
             wxFAIL_MSG( _T("unknown wxShutdown() flag") );

-            return FALSE;
+            return false;

     }
 
     return system(wxString::Format(_T("init %c"), level).mb_str()) == 0;
 }
 
     }
 
     return system(wxString::Format(_T("init %c"), level).mb_str()) == 0;
 }
 

-

 // ----------------------------------------------------------------------------
 // wxStream classes to support IO redirection in wxExecute
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // wxStream classes to support IO redirection in wxExecute
 // ----------------------------------------------------------------------------
 

-#if wxUSE_STREAMS
-
-// ----------------------------------------------------------------------------
-// wxPipeInputStream: stream for reading from a pipe
-// ----------------------------------------------------------------------------
-
-class wxPipeInputStream : public wxFileInputStream
-{
-public:
-    wxPipeInputStream(int fd) : wxFileInputStream(fd) { }
-
-    // return TRUE if the pipe is still opened
-    bool IsOpened() const { return !Eof(); }
-
-    // return TRUE if we have anything to read, don't block
-    virtual bool CanRead() const;
-};
+#if HAS_PIPE_INPUT_STREAM

 
 bool wxPipeInputStream::CanRead() const
 {
     if ( m_lasterror == wxSTREAM_EOF )
 
 bool wxPipeInputStream::CanRead() const
 {
     if ( m_lasterror == wxSTREAM_EOF )

-        return FALSE;
+        return false;

 
     // check if there is any input available
     struct timeval tv;
 
     // check if there is any input available
     struct timeval tv;


@@ -375,8 +428,10 @@ bool wxPipeInputStream::CanRead() const
     const int fd = m_file->fd();
 
     fd_set readfds;
     const int fd = m_file->fd();
 
     fd_set readfds;

-    FD_ZERO(&readfds);
-    FD_SET(fd, &readfds);
+
+    wxFD_ZERO(&readfds);
+    wxFD_SET(fd, &readfds);
+

     switch ( select(fd + 1, &readfds, NULL, NULL, &tv) )
     {
         case -1:
     switch ( select(fd + 1, &readfds, NULL, NULL, &tv) )
     {
         case -1:


@@ -384,7 +439,7 @@ bool wxPipeInputStream::CanRead() const
             // fall through
 
         case 0:
             // fall through
 
         case 0:

-            return FALSE;
+            return false;

 
         default:
             wxFAIL_MSG(_T("unexpected select() return value"));
 
         default:
             wxFAIL_MSG(_T("unexpected select() return value"));


@@ -398,23 +453,13 @@ bool wxPipeInputStream::CanRead() const
     }
 }
 
     }
 }
 

-// define this to let wxexec.cpp know that we know what we're doing
-#define _WX_USED_BY_WXEXECUTE_
-#include "../common/execcmn.cpp"
-
-#endif // wxUSE_STREAMS
+#endif // HAS_PIPE_INPUT_STREAM

 
 // ----------------------------------------------------------------------------
 // wxExecute: the real worker function
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // wxExecute: the real worker function
 // ----------------------------------------------------------------------------
 

-#ifdef __VMS
-    #pragma message disable codeunreachable
-#endif
-
-long wxExecute(wxChar **argv,
-               int flags,
-               wxProcess *process)
+long wxExecute(wxChar **argv, int flags, wxProcess *process)

 {
     // for the sync execution, we return -1 to indicate failure, but for async
     // case we return 0 which is never a valid PID
 {
     // for the sync execution, we return -1 to indicate failure, but for async
     // case we return 0 which is never a valid PID


@@ -515,7 +560,9 @@ long wxExecute(wxChar **argv,
         // start an xterm executing it.
         if ( !(flags & wxEXEC_SYNC) )
         {
         // start an xterm executing it.
         if ( !(flags & wxEXEC_SYNC) )
         {

-            for ( int fd = 0; fd < FD_SETSIZE; fd++ )
+            // FD_SETSIZE is unsigned under BSD, signed under other platforms
+            // so we need a cast to avoid warnings on all platforms
+            for ( int fd = 0; fd < (int)FD_SETSIZE; fd++ )

             {
                 if ( fd == pipeIn[wxPipe::Read]
                         || fd == pipeOut[wxPipe::Write]
             {
                 if ( fd == pipeIn[wxPipe::Read]
                         || fd == pipeOut[wxPipe::Write]


@@ -585,18 +632,21 @@ long wxExecute(wxChar **argv,
     {
         ARGS_CLEANUP;
 
     {
         ARGS_CLEANUP;
 

+        // save it for WaitForChild() use
+        execData.pid = pid;
+

         // prepare for IO redirection
 
         // prepare for IO redirection
 

-#if wxUSE_STREAMS
+#if HAS_PIPE_INPUT_STREAM

         // the input buffer bufOut is connected to stdout, this is why it is
         // called bufOut and not bufIn
         wxStreamTempInputBuffer bufOut,
                                 bufErr;
         // the input buffer bufOut is connected to stdout, this is why it is
         // called bufOut and not bufIn
         wxStreamTempInputBuffer bufOut,
                                 bufErr;

-#endif // wxUSE_STREAMS
+#endif // HAS_PIPE_INPUT_STREAM

 
         if ( process && process->IsRedirected() )
         {
 
         if ( process && process->IsRedirected() )
         {

-#if wxUSE_STREAMS
+#if HAS_PIPE_INPUT_STREAM

             wxOutputStream *inStream =
                 new wxFileOutputStream(pipeIn.Detach(wxPipe::Write));
 
             wxOutputStream *inStream =
                 new wxFileOutputStream(pipeIn.Detach(wxPipe::Write));
 


@@ -613,7 +663,7 @@ long wxExecute(wxChar **argv,
 
             execData.bufOut = &bufOut;
             execData.bufErr = &bufErr;
 
             execData.bufOut = &bufOut;
             execData.bufErr = &bufErr;

-#endif // wxUSE_STREAMS
+#endif // HAS_PIPE_INPUT_STREAM

         }
 
         if ( pipeIn.IsOk() )
         }
 
         if ( pipeIn.IsOk() )


@@ -626,12 +676,10 @@ long wxExecute(wxChar **argv,
         return traits->WaitForChild(execData);
     }
 
         return traits->WaitForChild(execData);
     }
 

+#if !defined(__VMS) && !defined(__INTEL_COMPILER)

     return ERROR_RETURN_CODE;
     return ERROR_RETURN_CODE;

-}
-
-#ifdef __VMS
-    #pragma message enable codeunreachable

 #endif
 #endif

+}

 
 #undef ERROR_RETURN_CODE
 #undef ARGS_CLEANUP
 
 #undef ERROR_RETURN_CODE
 #undef ARGS_CLEANUP


@@ -642,9 +690,9 @@ long wxExecute(wxChar **argv,
 
 const wxChar* wxGetHomeDir( wxString *home  )
 {
 
 const wxChar* wxGetHomeDir( wxString *home  )
 {

-    *home = wxGetUserHome( wxString() );
+    *home = wxGetUserHome( wxEmptyString );

     wxString tmp;
     wxString tmp;

-    if ( home->IsEmpty() )
+    if ( home->empty() )

         *home = wxT("/");
 #ifdef __VMS
     tmp = *home;
         *home = wxT("/");
 #ifdef __VMS
     tmp = *home;


@@ -698,12 +746,41 @@ char *wxGetUserHome( const wxString &user )
 // network and user id routines
 // ----------------------------------------------------------------------------
 
 // network and user id routines
 // ----------------------------------------------------------------------------
 

+// private utility function which returns output of the given command, removing
+// the trailing newline
+static wxString wxGetCommandOutput(const wxString &cmd)
+{
+    FILE *f = popen(cmd.ToAscii(), "r");
+    if ( !f )
+    {
+        wxLogSysError(_T("Executing \"%s\" failed"), cmd.c_str());
+        return wxEmptyString;
+    }
+
+    wxString s;
+    char buf[256];
+    while ( !feof(f) )
+    {
+        if ( !fgets(buf, sizeof(buf), f) )
+            break;
+
+        s += wxString::FromAscii(buf);
+    }
+
+    pclose(f);
+
+    if ( !s.empty() && s.Last() == _T('\n') )
+        s.RemoveLast();
+
+    return s;
+}
+

 // retrieve either the hostname or FQDN depending on platform (caller must
 // check whether it's one or the other, this is why this function is for
 // private use only)
 static bool wxGetHostNameInternal(wxChar *buf, int sz)
 {
 // retrieve either the hostname or FQDN depending on platform (caller must
 // check whether it's one or the other, this is why this function is for
 // private use only)
 static bool wxGetHostNameInternal(wxChar *buf, int sz)
 {

-    wxCHECK_MSG( buf, FALSE, wxT("NULL pointer in wxGetHostNameInternal") );
+    wxCHECK_MSG( buf, false, wxT("NULL pointer in wxGetHostNameInternal") );

 
     *buf = wxT('\0');
 
 
     *buf = wxT('\0');
 


@@ -721,7 +798,7 @@ static bool wxGetHostNameInternal(wxChar *buf, int sz)
 #else // no uname, no gethostname
     wxFAIL_MSG(wxT("don't know host name for this machine"));
 
 #else // no uname, no gethostname
     wxFAIL_MSG(wxT("don't know host name for this machine"));
 

-    bool ok = FALSE;
+    bool ok = false;

 #endif // uname/gethostname
 
     if ( !ok )
 #endif // uname/gethostname
 
     if ( !ok )


@@ -764,7 +841,7 @@ bool wxGetFullHostName(wxChar *buf, int sz)
             {
                 wxLogSysError(_("Cannot get the official hostname"));
 
             {
                 wxLogSysError(_("Cannot get the official hostname"));
 

-                ok = FALSE;
+                ok = false;

             }
             else
             {
             }
             else
             {


@@ -786,10 +863,10 @@ bool wxGetUserId(wxChar *buf, int sz)
     if ((who = getpwuid(getuid ())) != NULL)
     {
         wxStrncpy (buf, wxConvertMB2WX(who->pw_name), sz - 1);
     if ((who = getpwuid(getuid ())) != NULL)
     {
         wxStrncpy (buf, wxConvertMB2WX(who->pw_name), sz - 1);

-        return TRUE;
+        return true;

     }
 
     }
 

-    return FALSE;
+    return false;

 }
 
 bool wxGetUserName(wxChar *buf, int sz)
 }
 
 bool wxGetUserName(wxChar *buf, int sz)


@@ -808,43 +885,70 @@ bool wxGetUserName(wxChar *buf, int sz)
 #else // !HAVE_PW_GECOS
        wxStrncpy (buf, wxConvertMB2WX(who->pw_name), sz - 1);
 #endif // HAVE_PW_GECOS/!HAVE_PW_GECOS
 #else // !HAVE_PW_GECOS
        wxStrncpy (buf, wxConvertMB2WX(who->pw_name), sz - 1);
 #endif // HAVE_PW_GECOS/!HAVE_PW_GECOS

-       return TRUE;
+       return true;

     }
 
     }
 

-    return FALSE;
+    return false;

 }
 
 }
 

-// this function is in mac/utils.cpp for wxMac
-#ifndef __WXMAC__
-
-wxString wxGetOsDescription()
+bool wxIsPlatform64Bit()

 {
 {

-#ifndef WXWIN_OS_DESCRIPTION
-    #error WXWIN_OS_DESCRIPTION should be defined in config.h by configure
-#else
-    return wxString::FromAscii( WXWIN_OS_DESCRIPTION );
-#endif
+    wxString machine = wxGetCommandOutput(wxT("uname -m"));
+
+    // NOTE: these tests are not 100% reliable!
+    return machine.Contains(wxT("AMD64")) ||
+           machine.Contains(wxT("IA64")) ||
+           machine.Contains(wxT("x64")) ||
+           machine.Contains(wxT("X64")) ||
+           machine.Contains(wxT("alpha")) ||
+           machine.Contains(wxT("hppa64")) ||
+           machine.Contains(wxT("ppc64"));

 }
 
 }
 

-#endif // !__WXMAC__
+// these functions are in mac/utils.cpp for wxMac
+#ifndef __WXMAC__

 
 

-int wxGetOsVersion(int *verMaj, int *verMin)
+wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)

 {
 {

-    // we want this function to work even if there is no wxApp
-    wxConsoleAppTraits traitsConsole;
-    wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
-    if ( ! traits )
-        traits = &traitsConsole;
+    // get OS version
+    int major, minor;
+    wxString release = wxGetCommandOutput(wxT("uname -r"));
+    if ( !release.empty() && wxSscanf(release, wxT("%d.%d"), &major, &minor) != 2 )
+    {
+        // unrecognized uname string format
+        major =
+        minor = -1;
+    }
+
+    if ( verMaj )
+        *verMaj = major;
+    if ( verMin )
+        *verMin = minor;

 
 

-    return traits->GetOSVersion(verMaj, verMin);
+    // try to understand which OS are we running
+    wxString kernel = wxGetCommandOutput(wxT("uname -s"));
+    if ( kernel.empty() )
+        kernel = wxGetCommandOutput(wxT("uname -o"));
+
+    if ( kernel.empty() )
+        return wxOS_UNKNOWN;
+
+    return wxPlatformInfo::GetOperatingSystemId(kernel);
+}
+
+wxString wxGetOsDescription()
+{
+    return wxGetCommandOutput(wxT("uname -s -r -m"));

 }
 
 }
 

+#endif // !__WXMAC__
+

 unsigned long wxGetProcessId()
 {
     return (unsigned long)getpid();
 }
 
 unsigned long wxGetProcessId()
 {
     return (unsigned long)getpid();
 }
 

-long wxGetFreeMemory()
+wxMemorySize wxGetFreeMemory()

 {
 #if defined(__LINUX__)
     // get it from /proc/meminfo
 {
 #if defined(__LINUX__)
     // get it from /proc/meminfo


@@ -856,16 +960,43 @@ long wxGetFreeMemory()
         char buf[1024];
         if ( fgets(buf, WXSIZEOF(buf), fp) && fgets(buf, WXSIZEOF(buf), fp) )
         {
         char buf[1024];
         if ( fgets(buf, WXSIZEOF(buf), fp) && fgets(buf, WXSIZEOF(buf), fp) )
         {

-            long memTotal, memUsed;
-            sscanf(buf, "Mem: %ld %ld %ld", &memTotal, &memUsed, &memFree);
+            // /proc/meminfo changed its format in kernel 2.6
+            if ( wxPlatformInfo().CheckOSVersion(2, 6) )
+            {
+                unsigned long cached, buffers;
+                sscanf(buf, "MemFree: %ld", &memFree);
+
+                fgets(buf, WXSIZEOF(buf), fp);
+                sscanf(buf, "Buffers: %lu", &buffers);
+
+                fgets(buf, WXSIZEOF(buf), fp);
+                sscanf(buf, "Cached: %lu", &cached);
+
+                // add to "MemFree" also the "Buffers" and "Cached" values as
+                // free(1) does as otherwise the value never makes sense: for
+                // kernel 2.6 it's always almost 0
+                memFree += buffers + cached;
+
+                // values here are always expressed in kB and we want bytes
+                memFree *= 1024;
+            }
+            else // Linux 2.4 (or < 2.6, anyhow)
+            {
+                long memTotal, memUsed;
+                sscanf(buf, "Mem: %ld %ld %ld", &memTotal, &memUsed, &memFree);
+            }

         }
 
         fclose(fp);
 
         }
 
         fclose(fp);
 

-        return memFree;
+        return (wxMemorySize)memFree;

     }
 #elif defined(__SUN__) && defined(_SC_AVPHYS_PAGES)
     }
 #elif defined(__SUN__) && defined(_SC_AVPHYS_PAGES)

-    return sysconf(_SC_AVPHYS_PAGES)*sysconf(_SC_PAGESIZE);
+    return (wxMemorySize)(sysconf(_SC_AVPHYS_PAGES)*sysconf(_SC_PAGESIZE));
+#elif defined(__SGI__)
+    struct rminfo realmem;
+    if ( sysmp(MP_SAGET, MPSA_RMINFO, &realmem, sizeof realmem) == 0 )
+        return ((wxMemorySize)realmem.physmem * sysconf(_SC_PAGESIZE));

 //#elif defined(__FREEBSD__) -- might use sysctl() to find it out, probably
 #endif
 
 //#elif defined(__FREEBSD__) -- might use sysctl() to find it out, probably
 #endif
 


@@ -873,7 +1004,7 @@ long wxGetFreeMemory()
     return -1;
 }
 
     return -1;
 }
 

-bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
+bool wxGetDiskSpace(const wxString& path, wxDiskspaceSize_t *pTotal, wxDiskspaceSize_t *pFree)

 {
 #if defined(HAVE_STATFS) || defined(HAVE_STATVFS)
     // the case to "char *" is needed for AIX 4.3
 {
 #if defined(HAVE_STATFS) || defined(HAVE_STATVFS)
     // the case to "char *" is needed for AIX 4.3


@@ -882,30 +1013,30 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
     {
         wxLogSysError( wxT("Failed to get file system statistics") );
 
     {
         wxLogSysError( wxT("Failed to get file system statistics") );
 

-        return FALSE;
+        return false;

     }
 
     // under Solaris we also have to use f_frsize field instead of f_bsize
     // which is in general a multiple of f_frsize
 #ifdef HAVE_STATVFS
     }
 
     // under Solaris we also have to use f_frsize field instead of f_bsize
     // which is in general a multiple of f_frsize
 #ifdef HAVE_STATVFS

-    wxLongLong blockSize = fs.f_frsize;
+    wxDiskspaceSize_t blockSize = fs.f_frsize;

 #else // HAVE_STATFS
 #else // HAVE_STATFS

-    wxLongLong blockSize = fs.f_bsize;
+    wxDiskspaceSize_t blockSize = fs.f_bsize;

 #endif // HAVE_STATVFS/HAVE_STATFS
 
     if ( pTotal )
     {
 #endif // HAVE_STATVFS/HAVE_STATFS
 
     if ( pTotal )
     {

-        *pTotal = wxLongLong(fs.f_blocks) * blockSize;
+        *pTotal = wxDiskspaceSize_t(fs.f_blocks) * blockSize;

     }
 
     if ( pFree )
     {
     }
 
     if ( pFree )
     {

-        *pFree = wxLongLong(fs.f_bavail) * blockSize;
+        *pFree = wxDiskspaceSize_t(fs.f_bavail) * blockSize;

     }
 
     }
 

-    return TRUE;
+    return true;

 #else // !HAVE_STATFS && !HAVE_STATVFS
 #else // !HAVE_STATFS && !HAVE_STATVFS

-    return FALSE;
+    return false;

 #endif // HAVE_STATFS
 }
 
 #endif // HAVE_STATFS
 }
 


@@ -918,14 +1049,14 @@ bool wxGetEnv(const wxString& var, wxString *value)
     // wxGetenv is defined as getenv()
     wxChar *p = wxGetenv(var);
     if ( !p )
     // wxGetenv is defined as getenv()
     wxChar *p = wxGetenv(var);
     if ( !p )

-        return FALSE;
+        return false;

 
     if ( value )
     {
         *value = p;
     }
 
 
     if ( value )
     {
         *value = p;
     }
 

-    return TRUE;
+    return true;

 }
 
 bool wxSetEnv(const wxString& variable, const wxChar *value)
 }
 
 bool wxSetEnv(const wxString& variable, const wxChar *value)


@@ -941,7 +1072,7 @@ bool wxSetEnv(const wxString& variable, const wxChar *value)
         s << _T('=') << value;
 
     // transform to ANSI
         s << _T('=') << value;
 
     // transform to ANSI

-    const char *p = s.mb_str();
+    const wxWX2MBbuf p = s.mb_str();

 
     // the string will be free()d by libc
     char *buf = (char *)malloc(strlen(p) + 1);
 
     // the string will be free()d by libc
     char *buf = (char *)malloc(strlen(p) + 1);


@@ -949,7 +1080,7 @@ bool wxSetEnv(const wxString& variable, const wxChar *value)
 
     return putenv(buf) == 0;
 #else // no way to set an env var
 
     return putenv(buf) == 0;
 #else // no way to set an env var

-    return FALSE;
+    return false;

 #endif
 }
 
 #endif
 }
 


@@ -975,13 +1106,13 @@ extern "C" void wxFatalSignalHandler(wxTYPE_SA_HANDLER)
 bool wxHandleFatalExceptions(bool doit)
 {
     // old sig handlers
 bool wxHandleFatalExceptions(bool doit)
 {
     // old sig handlers

-    static bool s_savedHandlers = FALSE;
+    static bool s_savedHandlers = false;

     static struct sigaction s_handlerFPE,
                             s_handlerILL,
                             s_handlerBUS,
                             s_handlerSEGV;
 
     static struct sigaction s_handlerFPE,
                             s_handlerILL,
                             s_handlerBUS,
                             s_handlerSEGV;
 

-    bool ok = TRUE;
+    bool ok = true;

     if ( doit && !s_savedHandlers )
     {
         // install the signal handler
     if ( doit && !s_savedHandlers )
     {
         // install the signal handler


@@ -1003,7 +1134,7 @@ bool wxHandleFatalExceptions(bool doit)
             wxLogDebug(_T("Failed to install our signal handler."));
         }
 
             wxLogDebug(_T("Failed to install our signal handler."));
         }
 

-        s_savedHandlers = TRUE;
+        s_savedHandlers = true;

     }
     else if ( s_savedHandlers )
     {
     }
     else if ( s_savedHandlers )
     {


@@ -1017,7 +1148,7 @@ bool wxHandleFatalExceptions(bool doit)
             wxLogDebug(_T("Failed to uninstall our signal handler."));
         }
 
             wxLogDebug(_T("Failed to uninstall our signal handler."));
         }
 

-        s_savedHandlers = FALSE;
+        s_savedHandlers = false;

     }
     //else: nothing to do
 
     }
     //else: nothing to do
 


@@ -1026,41 +1157,7 @@ bool wxHandleFatalExceptions(bool doit)
 
 #endif // wxUSE_ON_FATAL_EXCEPTION
 
 
 #endif // wxUSE_ON_FATAL_EXCEPTION
 

-// ----------------------------------------------------------------------------
-// error and debug output routines (deprecated, use wxLog)
-// ----------------------------------------------------------------------------
-
-#if WXWIN_COMPATIBILITY_2_2
-
-void wxDebugMsg( const char *format, ... )
-{
-  va_list ap;
-  va_start( ap, format );
-  vfprintf( stderr, format, ap );
-  fflush( stderr );
-  va_end(ap);
-}
-
-void wxError( const wxString &msg, const wxString &title )
-{
-  wxFprintf( stderr, _("Error ") );
-  if (!title.IsNull()) wxFprintf( stderr, wxT("%s "), WXSTRINGCAST(title) );
-  if (!msg.IsNull()) wxFprintf( stderr, wxT(": %s"), WXSTRINGCAST(msg) );
-  wxFprintf( stderr, wxT(".\n") );
-}
-
-void wxFatalError( const wxString &msg, const wxString &title )
-{
-  wxFprintf( stderr, _("Error ") );
-  if (!title.IsNull()) wxFprintf( stderr, wxT("%s "), WXSTRINGCAST(title) );
-  if (!msg.IsNull()) wxFprintf( stderr, wxT(": %s"), WXSTRINGCAST(msg) );
-  wxFprintf( stderr, wxT(".\n") );
-  exit(3); // the same exit code as for abort()
-}
-
-#endif // WXWIN_COMPATIBILITY_2_2
-
-#endif // __WXBASE__
+#endif // wxUSE_BASE

 
 #if wxUSE_GUI
 
 
 #if wxUSE_GUI
 


@@ -1079,7 +1176,7 @@ bool wxGUIAppTraits::CreateEndProcessPipe(wxExecuteData& execData)
 
 bool wxGUIAppTraits::IsWriteFDOfEndProcessPipe(wxExecuteData& execData, int fd)
 {
 
 bool wxGUIAppTraits::IsWriteFDOfEndProcessPipe(wxExecuteData& execData, int fd)
 {

-    return fd == execData.pipeEndProcDetect[wxPipe::Write]
+    return fd == (execData.pipeEndProcDetect)[wxPipe::Write];

 }
 
 void wxGUIAppTraits::DetachWriteFDOfEndProcessPipe(wxExecuteData& execData)
 }
 
 void wxGUIAppTraits::DetachWriteFDOfEndProcessPipe(wxExecuteData& execData)


@@ -1114,10 +1211,12 @@ int wxGUIAppTraits::WaitForChild(wxExecuteData& execData)
 {
     wxEndProcessData *endProcData = new wxEndProcessData;
 
 {
     wxEndProcessData *endProcData = new wxEndProcessData;
 

+    const int flags = execData.flags;
+

     // wxAddProcessCallback is now (with DARWIN) allowed to call the
     // callback function directly if the process terminates before
     // the callback can be added to the run loop. Set up the endProcData.
     // wxAddProcessCallback is now (with DARWIN) allowed to call the
     // callback function directly if the process terminates before
     // the callback can be added to the run loop. Set up the endProcData.

-    if ( execData.flags & wxEXEC_SYNC )
+    if ( flags & wxEXEC_SYNC )

     {
         // we may have process for capturing the program output, but it's
         // not used in wxEndProcessData in the case of sync execution
     {
         // we may have process for capturing the program output, but it's
         // not used in wxEndProcessData in the case of sync execution


@@ -1136,7 +1235,7 @@ int wxGUIAppTraits::WaitForChild(wxExecuteData& execData)
     }
 
 
     }
 
 

-#if defined(__DARWIN__) && defined(__WXMAC__)
+#if defined(__DARWIN__) && (defined(__WXMAC__) || defined(__WXCOCOA__))

     endProcData->tag = wxAddProcessCallbackForPid(endProcData, execData.pid);
 #else
     endProcData->tag = wxAddProcessCallback
     endProcData->tag = wxAddProcessCallbackForPid(endProcData, execData.pid);
 #else
     endProcData->tag = wxAddProcessCallback


@@ -1146,24 +1245,38 @@ int wxGUIAppTraits::WaitForChild(wxExecuteData& execData)
                 );
 
     execData.pipeEndProcDetect.Close();
                 );
 
     execData.pipeEndProcDetect.Close();

-#endif // defined(__DARWIN__) && defined(__WXMAC__)
+#endif // defined(__DARWIN__) && (defined(__WXMAC__) || defined(__WXCOCOA__))

 
 

-    if ( execData.flags & wxEXEC_SYNC )
+    if ( flags & wxEXEC_SYNC )

     {
         wxBusyCursor bc;
     {
         wxBusyCursor bc;

-        wxWindowDisabler wd;
+        wxWindowDisabler *wd = flags & wxEXEC_NODISABLE ? NULL
+                                                        : new wxWindowDisabler;

 
         // endProcData->pid will be set to 0 from GTK_EndProcessDetector when the
         // process terminates
         while ( endProcData->pid != 0 )
         {
 
         // endProcData->pid will be set to 0 from GTK_EndProcessDetector when the
         // process terminates
         while ( endProcData->pid != 0 )
         {

-#if wxUSE_STREAMS
+            bool idle = true;
+
+#if HAS_PIPE_INPUT_STREAM

             if ( execData.bufOut )
             if ( execData.bufOut )

+            {

                 execData.bufOut->Update();
                 execData.bufOut->Update();

+                idle = false;
+            }

 
             if ( execData.bufErr )
 
             if ( execData.bufErr )

+            {

                 execData.bufErr->Update();
                 execData.bufErr->Update();

-#endif // wxUSE_STREAMS
+                idle = false;
+            }
+#endif // HAS_PIPE_INPUT_STREAM
+
+            // don't consume 100% of the CPU while we're sitting in this
+            // loop
+            if ( idle )
+                wxMilliSleep(1);

 
             // give GTK+ a chance to call GTK_EndProcessDetector here and
             // also repaint the GUI
 
             // give GTK+ a chance to call GTK_EndProcessDetector here and
             // also repaint the GUI


@@ -1172,6 +1285,7 @@ int wxGUIAppTraits::WaitForChild(wxExecuteData& execData)
 
         int exitcode = endProcData->exitcode;
 
 
         int exitcode = endProcData->exitcode;
 

+        delete wd;

         delete endProcData;
 
         return exitcode;
         delete endProcData;
 
         return exitcode;


@@ -1182,6 +1296,9 @@ int wxGUIAppTraits::WaitForChild(wxExecuteData& execData)
     }
 }
 
     }
 }
 

+#endif // wxUSE_GUI
+#if wxUSE_BASE
+

 void wxHandleProcessTermination(wxEndProcessData *proc_data)
 {
     // notify user about termination if required
 void wxHandleProcessTermination(wxEndProcessData *proc_data)
 {
     // notify user about termination if required


@@ -1202,5 +1319,4 @@ void wxHandleProcessTermination(wxEndProcessData *proc_data)
     }
 }
 
     }
 }
 

-#endif // wxUSE_GUI
-
+#endif // wxUSE_BASE