/////////////////////////////////////////////////////////////////////////////
// Name: src/unix/utilsunx.cpp
-// Purpose: generic Unix implementation of many wx functions
+// Purpose: generic Unix implementation of many wx functions (for wxBase)
// Author: Vadim Zeitlin
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin
#include "wx/process.h"
#include "wx/thread.h"
+#include "wx/cmdline.h"
+
#include "wx/wfstream.h"
#include "wx/private/selectdispatcher.h"
tmReq.tv_nsec = (microseconds % 1000000) * 1000;
// we're not interested in remaining time nor in return value
- (void)nanosleep(&tmReq, (timespec *)NULL);
+ (void)nanosleep(&tmReq, NULL);
#elif defined(HAVE_USLEEP)
// uncomment this if you feel brave or if you are sure that your version
// of Solaris has a safe usleep() function but please notice that usleep()
default:
// this goes against Unix98 docs so log it
- wxLogDebug(_T("unexpected kill(2) return value %d"), err);
+ wxLogDebug(wxT("unexpected kill(2) return value %d"), err);
// something else...
*rc = wxKILL_ERROR;
}
// Shutdown or reboot the PC
-bool wxShutdown(wxShutdownFlags wFlags)
+bool wxShutdown(int flags)
{
+ flags &= ~wxSHUTDOWN_FORCE;
+
wxChar level;
- switch ( wFlags )
+ switch ( flags )
{
case wxSHUTDOWN_POWEROFF:
- level = _T('0');
+ level = wxT('0');
break;
case wxSHUTDOWN_REBOOT:
- level = _T('6');
+ level = wxT('6');
break;
+ case wxSHUTDOWN_LOGOFF:
+ // TODO: use dcop to log off?
+ return false;
+
default:
- wxFAIL_MSG( _T("unknown wxShutdown() flag") );
+ wxFAIL_MSG( wxT("unknown wxShutdown() flag") );
return false;
}
- return system(wxString::Format(_T("init %c"), level).mb_str()) == 0;
+ return system(wxString::Format("init %c", level).mb_str()) == 0;
}
// ----------------------------------------------------------------------------
return false;
default:
- wxFAIL_MSG(_T("unexpected select() return value"));
+ wxFAIL_MSG(wxT("unexpected select() return value"));
// still fall through
case 1:
if ( !command )
{
// just an interactive shell
- cmd = _T("xterm");
+ cmd = wxT("xterm");
}
else
{
// execute command in a shell
- cmd << _T("/bin/sh -c '") << command << _T('\'');
+ cmd << wxT("/bin/sh -c '") << command << wxT('\'');
}
return cmd;
bool wxShell(const wxString& command, wxArrayString& output)
{
- wxCHECK_MSG( !command.empty(), false, _T("can't exec shell non interactively") );
+ wxCHECK_MSG( !command.empty(), false, wxT("can't exec shell non interactively") );
return wxExecute(wxMakeShellCommand(command), output);
}
int m_argc;
char **m_argv;
- DECLARE_NO_COPY_CLASS(ArgsArray)
+ wxDECLARE_NO_COPY_CLASS(ArgsArray);
};
} // anonymous namespace
long wxExecute(const wxString& command, int flags, wxProcess *process)
{
- wxArrayString args;
-
- const char *cptr = command.c_str();
-
- // split the command line in arguments
- //
- // TODO: combine this with wxCmdLineParser::ConvertStringToArgs(), it
- // doesn't do exactly the same thing right now but it's pretty close
- // and we shouldn't maintain 2 copies of this code
- do
- {
- wxString argument;
- char quotechar = '\0'; // is arg quoted?
- bool escaped = false;
-
- // eat leading whitespace:
- while ( wxIsspace(*cptr) )
- cptr++;
-
- if ( *cptr == '\'' || *cptr == '"' )
- quotechar = *cptr++;
-
- do
- {
- if ( *cptr == '\\' && !escaped )
- {
- escaped = true;
- cptr++;
- continue;
- }
-
- // all other characters:
- argument += *cptr++;
- escaped = false;
-
- // have we reached the end of the argument?
- if ( (*cptr == quotechar && !escaped)
- || (quotechar == '\0' && wxIsspace(*cptr))
- || *cptr == '\0' )
- {
- args.push_back(argument);
-
- // if not at end of buffer, swallow last character:
- if ( *cptr )
- cptr++;
+ ArgsArray argv(wxCmdLineParser::ConvertStringToArgs(command,
+ wxCMD_LINE_SPLIT_UNIX));
- break; // done with this one, start over
- }
- } while ( *cptr );
- } while ( *cptr );
-
- ArgsArray argv(args);
-
- // do execute the command
return wxExecute(argv, flags, process);
}
// don't know what yet, so for now just warn the user (this is the least we
// can do) about it
wxASSERT_MSG( wxThread::IsMain(),
- _T("wxExecute() can be called only from the main thread") );
+ wxT("wxExecute() can be called only from the main thread") );
#endif // wxUSE_THREADS
-#if defined(__DARWIN__)
+#if defined(__WXCOCOA__) || ( defined(__WXOSX_MAC__) && wxOSX_USE_COCOA_OR_CARBON )
// wxMacLaunch() only executes app bundles and only does it asynchronously.
// It returns false if the target is not an app bundle, thus falling
// through to the regular code for non app bundles.
}
else if ( pid == 0 ) // we're in child
{
- // These lines close the open file descriptors to to avoid any
- // input/output which might block the process or irritate the user. If
- // one wants proper IO for the subprocess, the right thing to do is to
- // start an xterm executing it.
- if ( !(flags & wxEXEC_SYNC) )
- {
- // 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]
- || fd == pipeErr[wxPipe::Write]
- || fd == (execData.pipeEndProcDetect)[wxPipe::Write] )
- {
- // don't close this one, we still need it
- continue;
- }
-
- // leave stderr opened too, it won't do any harm
- if ( fd != STDERR_FILENO )
- close(fd);
- }
- }
+ // NB: we used to close all the unused descriptors of the child here
+ // but this broke some programs which relied on e.g. FD 1 being
+ // always opened so don't do it any more, after all there doesn't
+ // seem to be any real problem with keeping them opened
#if !defined(__VMS) && !defined(__EMX__)
if ( flags & wxEXEC_MAKE_GROUP_LEADER )
{
// save it for WaitForChild() use
execData.pid = pid;
+ if (execData.process)
+ execData.process->SetPid(pid); // and also in the wxProcess
// prepare for IO redirection
FILE *f = popen(cmd.ToAscii(), "r");
if ( !f )
{
- wxLogSysError(_T("Executing \"%s\" failed"), cmd.c_str());
+ wxLogSysError(wxT("Executing \"%s\" failed"), cmd.c_str());
return wxEmptyString;
}
pclose(f);
- if ( !s.empty() && s.Last() == _T('\n') )
+ if ( !s.empty() && s.Last() == wxT('\n') )
s.RemoveLast();
return s;
bool ok = uname(&uts) != -1;
if ( ok )
{
- wxStrncpy(buf, wxSafeConvertMB2WX(uts.nodename), sz - 1);
- buf[sz] = wxT('\0');
+ wxStrlcpy(buf, wxSafeConvertMB2WX(uts.nodename), sz);
}
#elif defined(HAVE_GETHOSTNAME)
char cbuf[sz];
bool ok = gethostname(cbuf, sz) != -1;
if ( ok )
{
- wxStrncpy(buf, wxSafeConvertMB2WX(cbuf), sz - 1);
- buf[sz] = wxT('\0');
+ wxStrlcpy(buf, wxSafeConvertMB2WX(cbuf), sz);
}
#else // no uname, no gethostname
wxFAIL_MSG(wxT("don't know host name for this machine"));
else
{
// the canonical name
- wxStrncpy(buf, wxSafeConvertMB2WX(host->h_name), sz);
+ wxStrlcpy(buf, wxSafeConvertMB2WX(host->h_name), sz);
}
}
//else: it's already a FQDN (BSD behaves this way)
*buf = wxT('\0');
if ((who = getpwuid(getuid ())) != NULL)
{
- wxStrncpy (buf, wxSafeConvertMB2WX(who->pw_name), sz - 1);
+ wxStrlcpy (buf, wxSafeConvertMB2WX(who->pw_name), sz);
return true;
}
char *comma = strchr(who->pw_gecos, ',');
if (comma)
*comma = '\0'; // cut off non-name comment fields
- wxStrncpy (buf, wxSafeConvertMB2WX(who->pw_gecos), sz - 1);
+ wxStrlcpy(buf, wxSafeConvertMB2WX(who->pw_gecos), sz);
return true;
}
machine.Contains(wxT("alpha"));
}
-// these functions are in mac/utils.cpp for wxMac
+#ifdef __LINUX__
+wxLinuxDistributionInfo wxGetLinuxDistributionInfo()
+{
+ const wxString id = wxGetCommandOutput(wxT("lsb_release --id"));
+ const wxString desc = wxGetCommandOutput(wxT("lsb_release --description"));
+ const wxString rel = wxGetCommandOutput(wxT("lsb_release --release"));
+ const wxString codename = wxGetCommandOutput(wxT("lsb_release --codename"));
+
+ wxLinuxDistributionInfo ret;
+
+ id.StartsWith("Distributor ID:\t", &ret.Id);
+ desc.StartsWith("Description:\t", &ret.Description);
+ rel.StartsWith("Release:\t", &ret.Release);
+ codename.StartsWith("Codename:\t", &ret.CodeName);
+
+ return ret;
+}
+#endif
+
+// these functions are in src/osx/utilsexc_base.cpp for wxMac
#ifndef __WXMAC__
wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
#elif defined(HAVE_PUTENV)
wxString s = variable;
if ( value )
- s << _T('=') << value;
+ s << wxT('=') << value;
// transform to ANSI
const wxWX2MBbuf p = s.mb_str();
ok &= sigaction(SIGSEGV, &act, &s_handlerSEGV) == 0;
if ( !ok )
{
- wxLogDebug(_T("Failed to install our signal handler."));
+ wxLogDebug(wxT("Failed to install our signal handler."));
}
s_savedHandlers = true;
ok &= sigaction(SIGSEGV, &s_handlerSEGV, NULL) == 0;
if ( !ok )
{
- wxLogDebug(_T("Failed to uninstall our signal handler."));
+ wxLogDebug(wxT("Failed to uninstall our signal handler."));
}
s_savedHandlers = false;
protected:
const int m_fd;
- DECLARE_NO_COPY_CLASS(wxReadFDIOHandler)
+ wxDECLARE_NO_COPY_CLASS(wxReadFDIOHandler);
};
// class for monitoring our end of the process detection pipe, simply sets a
private:
bool m_terminated;
- DECLARE_NO_COPY_CLASS(wxEndHandler)
+ wxDECLARE_NO_COPY_CLASS(wxEndHandler);
};
-#if wxUSE_STREAMS
+#if HAS_PIPE_INPUT_STREAM
// class for monitoring our ends of child stdout/err, should be constructed
// with the FD and stream from wxExecuteData and will do nothing if they're
private:
wxStreamTempInputBuffer * const m_buf;
- DECLARE_NO_COPY_CLASS(wxRedirectedIOHandler)
+ wxDECLARE_NO_COPY_CLASS(wxRedirectedIOHandler);
};
-#endif // wxUSE_STREAMS
+#endif // HAS_PIPE_INPUT_STREAM
// helper function which calls waitpid() and analyzes the result
int DoWaitForChild(int pid, int flags = 0)
}
//else: synchronous execution case
-#if wxUSE_STREAMS
+#if HAS_PIPE_INPUT_STREAM && wxUSE_SOCKETS
wxProcess * const process = execData.process;
if ( process && process->IsRedirected() )
{
}
}
//else: no IO redirection, just block waiting for the child to exit
-#endif // wxUSE_STREAMS
+#endif // HAS_PIPE_INPUT_STREAM
return DoWaitForChild(execData.pid);
}
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