X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/355debca0650f70aa8ed4803b2ebc45541e03d9f..ce7208d49d5ce2ca1dc0b3b83f14f1d04f29c4bf:/src/unix/utilsunx.cpp diff --git a/src/unix/utilsunx.cpp b/src/unix/utilsunx.cpp index dcf05dfca4..66068411be 100644 --- a/src/unix/utilsunx.cpp +++ b/src/unix/utilsunx.cpp @@ -39,13 +39,19 @@ #include -#if wxUSE_STREAMS +#ifdef HAVE_SYS_SELECT_H +# include +#endif + +#define HAS_PIPE_INPUT_STREAM (wxUSE_STREAMS && wxUSE_FILE) + +#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" -#endif // wxUSE_STREAMS +#endif // HAS_PIPE_INPUT_STREAM #if wxUSE_BASE @@ -145,21 +151,17 @@ defined(__osf__) || defined(__EMX__)) extern "C" { - #ifdef __SUN__ + #ifdef __EMX__ + /* I copied this from the XFree86 diffs. AV. */ + #define INCL_DOSPROCESS + #include + inline void usleep(unsigned long delay) + { + DosSleep(delay ? (delay/1000l) : 1l); + } + #else // Unix int usleep(unsigned int usec); - #else // !Sun - #ifdef __EMX__ - /* I copied this from the XFree86 diffs. AV. */ - #define INCL_DOSPROCESS - #include - inline void usleep(unsigned long delay) - { - DosSleep(delay ? (delay/1000l) : 1l); - } - #else // !Sun && !EMX - void usleep(unsigned long usec); - #endif - #endif // Sun/EMX/Something else + #endif // __EMX__/Unix }; #define HAVE_USLEEP 1 @@ -407,7 +409,7 @@ bool wxShutdown(wxShutdownFlags wFlags) // wxStream classes to support IO redirection in wxExecute // ---------------------------------------------------------------------------- -#if wxUSE_STREAMS +#if HAS_PIPE_INPUT_STREAM bool wxPipeInputStream::CanRead() const { @@ -447,7 +449,7 @@ bool wxPipeInputStream::CanRead() const } } -#endif // wxUSE_STREAMS +#endif // HAS_PIPE_INPUT_STREAM // ---------------------------------------------------------------------------- // wxExecute: the real worker function @@ -631,16 +633,16 @@ long wxExecute(wxChar **argv, int flags, wxProcess *process) // 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; -#endif // wxUSE_STREAMS +#endif // HAS_PIPE_INPUT_STREAM if ( process && process->IsRedirected() ) { -#if wxUSE_STREAMS +#if HAS_PIPE_INPUT_STREAM wxOutputStream *inStream = new wxFileOutputStream(pipeIn.Detach(wxPipe::Write)); @@ -657,7 +659,7 @@ long wxExecute(wxChar **argv, int flags, wxProcess *process) execData.bufOut = &bufOut; execData.bufErr = &bufErr; -#endif // wxUSE_STREAMS +#endif // HAS_PIPE_INPUT_STREAM } if ( pipeIn.IsOk() ) @@ -740,6 +742,35 @@ char *wxGetUserHome( const wxString &user ) // 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) @@ -856,25 +887,54 @@ bool wxGetUserName(wxChar *buf, int sz) return false; } -// this function is in mac/utils.cpp for wxMac +bool wxIsPlatform64Bit() +{ + 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")); +} + +// these functions are in mac/utils.cpp for wxMac #ifndef __WXMAC__ -wxString wxGetOsDescription() +wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin) { - FILE *f = popen("uname -s -r -m", "r"); - if (f) + // get OS version + int major, minor; + wxString release = wxGetCommandOutput(wxT("uname -r")); + if ( !release.empty() && wxSscanf(release, wxT("%d.%d"), &major, &minor) != 2 ) { - char buf[256]; - size_t c = fread(buf, 1, sizeof(buf) - 1, f); - pclose(f); - // Trim newline from output. - if (c && buf[c - 1] == '\n') - --c; - buf[c] = '\0'; - return wxString::FromAscii( buf ); + // unrecognized uname string format + major = + minor = -1; } - wxFAIL_MSG( _T("uname failed") ); - return wxEmptyString; + + if ( verMaj ) + *verMaj = major; + if ( verMin ) + *verMin = minor; + + // 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__ @@ -896,8 +956,31 @@ wxMemorySize wxGetFreeMemory() 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); @@ -1172,7 +1255,7 @@ int wxGUIAppTraits::WaitForChild(wxExecuteData& execData) { bool idle = true; -#if wxUSE_STREAMS +#if HAS_PIPE_INPUT_STREAM if ( execData.bufOut ) { execData.bufOut->Update(); @@ -1184,7 +1267,7 @@ int wxGUIAppTraits::WaitForChild(wxExecuteData& execData) execData.bufErr->Update(); idle = false; } -#endif // wxUSE_STREAMS +#endif // HAS_PIPE_INPUT_STREAM // don't consume 100% of the CPU while we're sitting in this // loop