X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7520f3da332d64a676b6f7d27a56004fabf2db36..e0b3b9d044746a258f93ae7c66550788d08d028e:/src/unix/utilsunx.cpp diff --git a/src/unix/utilsunx.cpp b/src/unix/utilsunx.cpp index 02b49fdc57..2eab9e451b 100644 --- a/src/unix/utilsunx.cpp +++ b/src/unix/utilsunx.cpp @@ -18,16 +18,18 @@ // for compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" +#include "wx/utils.h" + #ifndef WX_PRECOMP #include "wx/string.h" + #include "wx/intl.h" + #include "wx/log.h" + #include "wx/app.h" + #include "wx/wxcrtvararg.h" #endif -#include "wx/intl.h" -#include "wx/log.h" -#include "wx/app.h" #include "wx/apptrait.h" -#include "wx/utils.h" #include "wx/process.h" #include "wx/thread.h" @@ -37,14 +39,21 @@ #include "wx/unix/private.h" #include +#include // waitpid() + +#ifdef HAVE_SYS_SELECT_H +# include +#endif + +#define HAS_PIPE_INPUT_STREAM (wxUSE_STREAMS && wxUSE_FILE) -#if wxUSE_STREAMS +#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 @@ -144,21 +153,17 @@ 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 @@ -259,7 +264,8 @@ long wxMacExecute(wxChar **argv, long wxExecute( const wxString& command, int flags, wxProcess *process ) { wxCHECK_MSG( !command.empty(), 0, wxT("can't exec empty command") ); - wxLogDebug(wxString(wxT("Launching: ")) + command); + + wxLogTrace(wxT("exec"), wxT("Executing \"%s\""), command.c_str()); #if wxUSE_THREADS // fork() doesn't mix well with POSIX threads: on many systems the program @@ -402,23 +408,11 @@ bool wxShutdown(wxShutdownFlags wFlags) return system(wxString::Format(_T("init %c"), level).mb_str()) == 0; } -wxPowerType wxGetPowerType() -{ - // TODO - return wxPOWER_UNKNOWN; -} - -wxBatteryState wxGetBatteryState() -{ - // TODO - return wxBATTERY_UNKNOWN_STATE; -} - // ---------------------------------------------------------------------------- // wxStream classes to support IO redirection in wxExecute // ---------------------------------------------------------------------------- -#if wxUSE_STREAMS +#if HAS_PIPE_INPUT_STREAM bool wxPipeInputStream::CanRead() const { @@ -458,7 +452,7 @@ bool wxPipeInputStream::CanRead() const } } -#endif // wxUSE_STREAMS +#endif // HAS_PIPE_INPUT_STREAM // ---------------------------------------------------------------------------- // wxExecute: the real worker function @@ -481,7 +475,7 @@ long wxExecute(wxChar **argv, int flags, wxProcess *process) while (argv[mb_argc]) { - wxWX2MBbuf mb_arg = wxConvertWX2MB(argv[mb_argc]); + wxWX2MBbuf mb_arg = wxSafeConvertWX2MB(argv[mb_argc]); mb_argv[mb_argc] = strdup(mb_arg); mb_argc++; } @@ -642,16 +636,16 @@ 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)); @@ -668,7 +662,7 @@ 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() ) @@ -730,7 +724,7 @@ char *wxGetUserHome( const wxString &user ) } if ((ptr = wxGetenv(wxT("USER"))) != NULL || (ptr = wxGetenv(wxT("LOGNAME"))) != NULL) { - who = getpwnam(wxConvertWX2MB(ptr)); + who = getpwnam(wxSafeConvertWX2MB(ptr)); } // We now make sure the the user exists! @@ -744,13 +738,42 @@ char *wxGetUserHome( const wxString &user ) who = getpwnam (user.mb_str()); } - return wxConvertMB2WX(who ? who->pw_dir : 0); + return wxSafeConvertMB2WX(who ? who->pw_dir : 0); } // ---------------------------------------------------------------------------- // 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) @@ -766,11 +789,17 @@ static bool wxGetHostNameInternal(wxChar *buf, int sz) bool ok = uname(&uts) != -1; if ( ok ) { - wxStrncpy(buf, wxConvertMB2WX(uts.nodename), sz - 1); + wxStrncpy(buf, wxSafeConvertMB2WX(uts.nodename), sz - 1); buf[sz] = wxT('\0'); } #elif defined(HAVE_GETHOSTNAME) - bool ok = gethostname(buf, sz) != -1; + char cbuf[sz]; + bool ok = gethostname(cbuf, sz) != -1; + if ( ok ) + { + wxStrncpy(buf, wxSafeConvertMB2WX(cbuf), sz - 1); + buf[sz] = wxT('\0'); + } #else // no uname, no gethostname wxFAIL_MSG(wxT("don't know host name for this machine")); @@ -812,7 +841,7 @@ bool wxGetFullHostName(wxChar *buf, int sz) { if ( !wxStrchr(buf, wxT('.')) ) { - struct hostent *host = gethostbyname(wxConvertWX2MB(buf)); + struct hostent *host = gethostbyname(wxSafeConvertWX2MB(buf)); if ( !host ) { wxLogSysError(_("Cannot get the official hostname")); @@ -822,7 +851,7 @@ bool wxGetFullHostName(wxChar *buf, int sz) else { // the canonical name - wxStrncpy(buf, wxConvertMB2WX(host->h_name), sz); + wxStrncpy(buf, wxSafeConvertMB2WX(host->h_name), sz); } } //else: it's already a FQDN (BSD behaves this way) @@ -838,7 +867,7 @@ bool wxGetUserId(wxChar *buf, int sz) *buf = wxT('\0'); if ((who = getpwuid(getuid ())) != NULL) { - wxStrncpy (buf, wxConvertMB2WX(who->pw_name), sz - 1); + wxStrncpy (buf, wxSafeConvertMB2WX(who->pw_name), sz - 1); return true; } @@ -847,45 +876,73 @@ bool wxGetUserId(wxChar *buf, int sz) bool wxGetUserName(wxChar *buf, int sz) { +#ifdef HAVE_PW_GECOS struct passwd *who; *buf = wxT('\0'); if ((who = getpwuid (getuid ())) != NULL) { - // pw_gecos field in struct passwd is not standard -#ifdef HAVE_PW_GECOS char *comma = strchr(who->pw_gecos, ','); if (comma) *comma = '\0'; // cut off non-name comment fields - wxStrncpy (buf, wxConvertMB2WX(who->pw_gecos), sz - 1); -#else // !HAVE_PW_GECOS - wxStrncpy (buf, wxConvertMB2WX(who->pw_name), sz - 1); -#endif // HAVE_PW_GECOS/!HAVE_PW_GECOS + wxStrncpy (buf, wxSafeConvertMB2WX(who->pw_gecos), sz - 1); return true; } return false; +#else // !HAVE_PW_GECOS + return wxGetUserId(buf, sz); +#endif // HAVE_PW_GECOS/!HAVE_PW_GECOS +} + +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")); } -// this function is in mac/utils.cpp for wxMac +// 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 ); + // failed to get version string or unrecognized 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__ @@ -907,20 +964,43 @@ 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); return (wxMemorySize)memFree; } -#elif defined(__SUN__) && defined(_SC_AVPHYS_PAGES) - 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(_SC_AVPHYS_PAGES) + return ((wxMemorySize)sysconf(_SC_AVPHYS_PAGES))*sysconf(_SC_PAGESIZE); //#elif defined(__FREEBSD__) -- might use sysctl() to find it out, probably #endif @@ -1159,55 +1239,93 @@ int wxGUIAppTraits::WaitForChild(wxExecuteData& execData) } + if ( !(flags & wxEXEC_NOEVENTS) ) + { #if defined(__DARWIN__) && (defined(__WXMAC__) || defined(__WXCOCOA__)) - endProcData->tag = wxAddProcessCallbackForPid(endProcData, execData.pid); + endProcData->tag = wxAddProcessCallbackForPid(endProcData, execData.pid); #else - endProcData->tag = wxAddProcessCallback - ( - endProcData, - execData.pipeEndProcDetect.Detach(wxPipe::Read) - ); + endProcData->tag = wxAddProcessCallback + ( + endProcData, + execData.pipeEndProcDetect.Detach(wxPipe::Read) + ); - execData.pipeEndProcDetect.Close(); + execData.pipeEndProcDetect.Close(); #endif // defined(__DARWIN__) && (defined(__WXMAC__) || defined(__WXCOCOA__)) + } if ( flags & wxEXEC_SYNC ) { wxBusyCursor bc; - wxWindowDisabler *wd = flags & wxEXEC_NODISABLE ? NULL - : new wxWindowDisabler; + int exitcode = 0; - // endProcData->pid will be set to 0 from GTK_EndProcessDetector when the - // process terminates - while ( endProcData->pid != 0 ) + wxWindowDisabler *wd = flags & (wxEXEC_NODISABLE | wxEXEC_NOEVENTS) + ? NULL + : new wxWindowDisabler; + + if ( flags & wxEXEC_NOEVENTS ) { - bool idle = true; + // just block waiting for the child to exit + int status = 0; + + int result = waitpid(execData.pid, &status, 0); -#if wxUSE_STREAMS - if ( execData.bufOut ) + if ( result == -1 ) { - execData.bufOut->Update(); - idle = false; + wxLogLastError(_T("waitpid")); + exitcode = -1; } - - if ( execData.bufErr ) + else { - execData.bufErr->Update(); - idle = false; + wxASSERT_MSG( result == execData.pid, + _T("unexpected waitpid() return value") ); + + if ( WIFEXITED(status) ) + { + exitcode = WEXITSTATUS(status); + } + else // abnormal termination? + { + wxASSERT_MSG( WIFSIGNALED(status), + _T("unexpected child wait status") ); + exitcode = -1; + } } -#endif // wxUSE_STREAMS + } + else // !wxEXEC_NOEVENTS + { + // endProcData->pid will be set to 0 from GTK_EndProcessDetector when the + // process terminates + while ( endProcData->pid != 0 ) + { + bool idle = true; - // don't consume 100% of the CPU while we're sitting in this - // loop - if ( idle ) - wxMilliSleep(1); +#if HAS_PIPE_INPUT_STREAM + if ( execData.bufOut ) + { + execData.bufOut->Update(); + idle = false; + } - // give GTK+ a chance to call GTK_EndProcessDetector here and - // also repaint the GUI - wxYield(); - } + if ( execData.bufErr ) + { + execData.bufErr->Update(); + 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); - int exitcode = endProcData->exitcode; + // give GTK+ a chance to call GTK_EndProcessDetector here and + // also repaint the GUI + wxYield(); + } + + exitcode = endProcData->exitcode; + } delete wd; delete endProcData;