#include "wx/utils.h"
#include "wx/process.h"
+#include "wx/thread.h"
-#include "wx/unix/execute.h"
+#if wxUSE_GUI
+ #include "wx/unix/execute.h"
+#endif
#include <stdarg.h>
#include <dirent.h>
#include <signal.h>
#include <fcntl.h> // for O_WRONLY and friends
#include <time.h> // nanosleep() and/or usleep()
+#include <ctype.h> // isspace()
+#include <sys/time.h> // needed for FD_SETSIZE
#ifdef HAVE_UNAME
#include <sys/utsname.h> // for uname()
// many versions of Unices have this function, but it is not defined in system
// 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(__SUN__) && !defined(__SunOs_5_6) && \
+#if !defined(HAVE_USLEEP) && \
+ (defined(__SUN__) && !defined(__SunOs_5_6) && \
!defined(__SunOs_5_7) && !defined(__SUNPRO_CC)) || \
- defined(__osf__)
+ defined(__osf__) || defined(__EMX__)
extern "C"
{
- void usleep(unsigned long usec);
+ #ifdef __SUN__
+ int usleep(unsigned int usec);
+ #else // !Sun
+ #ifdef __EMX__
+ /* I copied this from the XFree86 diffs. AV. */
+ #define INCL_DOSPROCESS
+ #include <os2.h>
+ 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 // Unices without usleep()
-// many versions of Unices have this function, but it is not defined in system
-// headers - please add your system here if it is the case for your OS.
-// SunOS (and Solaris) and DG-UX are like this.
-#if defined(__SOLARIS__) || defined(__osf__)
- extern "C"
- {
- pid_t wait4(pid_t pid, int *statusp, int options,
- struct rusage *rusage);
- }
-
- #define wxWait4(pid, stat, flags, rusage) wait4(pid, stat, flags, rusage)
-#elif defined(__sgi) || defined(__HPUX__)
- // no wait4() at all on these systems
- // TODO verify whether wait3() really works in this situation
- #define wxWait4(pid, stat, flags, rusage) wait3(stat, flags, rusage)
-#else
- // other Unices: assume have wait4(), although it's not standard (but
- // Linux and FreeBSD do have it)
- #define wxWait4(pid, stat, flags, rusage) wait4(pid, stat, flags, rusage)
-#endif // wait4()
+ #define HAVE_USLEEP 1
+#endif // Unices without usleep()
// ============================================================================
// implementation
{
#if defined(HAVE_NANOSLEEP)
timespec tmReq;
- tmReq.tv_sec = milliseconds / 1000;
+ tmReq.tv_sec = (time_t)(milliseconds / 1000);
tmReq.tv_nsec = (milliseconds % 1000) * 1000 * 1000;
// we're not interested in remaining time nor in return value
// of Solaris has a safe usleep() function but please notice that usleep()
// is known to lead to crashes in MT programs in Solaris 2.[67] and is not
// documented as MT-Safe
- #if defined(__SUN__) && defined(wxUSE_THREADS)
+ #if defined(__SUN__) && wxUSE_THREADS
#error "usleep() cannot be used in MT programs under Solaris."
#endif // Sun
usleep(milliseconds * 1000); // usleep(3) wants microseconds
+#elif defined(HAVE_SLEEP)
+ // under BeOS sleep() takes seconds (what about other platforms, if any?)
+ sleep(milliseconds * 1000);
#else // !sleep function
#error "usleep() or nanosleep() function required for wxUsleep"
#endif // sleep function
// process management
// ----------------------------------------------------------------------------
-int wxKill(long pid, int sig)
+int wxKill(long pid, wxSignal sig)
{
- return kill(pid, sig);
+ return kill((pid_t)pid, (int)sig);
}
+#define WXEXECUTE_NARGS 127
+
long wxExecute( const wxString& command, bool sync, wxProcess *process )
{
- static const char *IFS = " \t\n";
-
- wxCHECK_MSG( !command.IsEmpty(), 0, "can't exec empty command" );
+ wxCHECK_MSG( !command.IsEmpty(), 0, wxT("can't exec empty command") );
int argc = 0;
- char *argv[127];
- char *tmp = new char[command.Len() + 1];
- strcpy(tmp, command);
+ wxChar *argv[WXEXECUTE_NARGS];
+ wxString argument;
+ const wxChar *cptr = command.c_str();
+ wxChar quotechar = wxT('\0'); // is arg quoted?
+ bool escaped = FALSE;
+
+ // split the command line in arguments
+ do
+ {
+ argument=wxT("");
+ quotechar = wxT('\0');
- argv[argc++] = strtok(tmp, IFS);
- while ((argv[argc++] = strtok((char *) NULL, IFS)) != NULL)
- /* loop */ ;
+ // eat leading whitespace:
+ while ( wxIsspace(*cptr) )
+ cptr++;
+
+ if ( *cptr == wxT('\'') || *cptr == wxT('"') )
+ quotechar = *cptr++;
+
+ do
+ {
+ if ( *cptr == wxT('\\') && ! 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 == wxT('\0') && wxIsspace(*cptr))
+ || *cptr == wxT('\0') )
+ {
+ wxASSERT_MSG( argc < WXEXECUTE_NARGS,
+ wxT("too many arguments in wxExecute") );
+
+ argv[argc] = new wxChar[argument.length() + 1];
+ wxStrcpy(argv[argc], argument.c_str());
+ argc++;
+
+ // if not at end of buffer, swallow last character:
+ if(*cptr)
+ cptr++;
+
+ break; // done with this one, start over
+ }
+ } while(*cptr);
+ } while(*cptr);
+ argv[argc] = NULL;
+ // do execute the command
long lRc = wxExecute(argv, sync, process);
- delete [] tmp;
+ // clean up
+ argc = 0;
+ while( argv[argc] )
+ delete [] argv[argc++];
return lRc;
}
{
wxString cmd;
if ( !!command )
- cmd.Printf("xterm -e %s", command.c_str());
+ cmd.Printf(wxT("xterm -e %s"), command.c_str());
else
cmd = command;
return wxExecute(cmd) != 0;
}
+#if wxUSE_GUI
+
void wxHandleProcessTermination(wxEndProcessData *proc_data)
{
int pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid);
+ // waitpid is POSIX so should be available everywhere, however on older
+ // systems wait() might be used instead in a loop (until the right pid
+ // terminates)
int status = 0;
- wxWait4(pid, &status, 0, (rusage *) NULL);
+ int rc;
+
+ // wait for child termination and if waitpid() was interrupted, try again
+ do
+ {
+ rc = waitpid(pid, &status, 0);
+ }
+ while ( rc == -1 && errno == EINTR );
- if (proc_data->process)
- proc_data->process->OnTerminate(proc_data->pid, status);
- if (proc_data->pid > 0)
+ if( rc == -1 || ! (WIFEXITED(status) || WIFSIGNALED(status)) )
{
- delete proc_data;
+ wxLogSysError(_("Waiting for subprocess termination failed"));
+ /* AFAIK, this can only happen if something went wrong within
+ wxGTK, i.e. due to a race condition or some serious bug.
+ After having fixed the order of statements in
+ GTK_EndProcessDetector(). (KB)
+ */
}
else
{
- // wxExecute() will know about it
- proc_data->exitcode = status;
+ // notify user about termination if required
+ if (proc_data->process)
+ {
+ proc_data->process->OnTerminate(proc_data->pid,
+ WEXITSTATUS(status));
+ }
+ // clean up
+ if ( proc_data->pid > 0 )
+ {
+ delete proc_data;
+ }
+ else
+ {
+ // wxExecute() will know about it
+ proc_data->exitcode = status;
- proc_data->pid = 0;
+ proc_data->pid = 0;
+ }
}
}
-long wxExecute( char **argv, bool sync, wxProcess *process )
+#endif // wxUSE_GUI
+
+#if wxUSE_GUI
+ #define WXUNUSED_UNLESS_GUI(p) p
+#else
+ #define WXUNUSED_UNLESS_GUI(p)
+#endif
+
+long wxExecute(wxChar **argv,
+ bool sync,
+ wxProcess * WXUNUSED_UNLESS_GUI(process))
{
- wxCHECK_MSG( *argv, 0, "can't exec empty command" );
+ wxCHECK_MSG( *argv, 0, wxT("can't exec empty command") );
- int end_proc_detect[2];
+#if wxUSE_UNICODE
+ int mb_argc = 0;
+ char *mb_argv[WXEXECUTE_NARGS];
+
+ while (argv[mb_argc])
+ {
+ wxWX2MBbuf mb_arg = wxConvertWX2MB(argv[mb_argc]);
+ mb_argv[mb_argc] = strdup(mb_arg);
+ mb_argc++;
+ }
+ mb_argv[mb_argc] = (char *) NULL;
+ // this macro will free memory we used above
+ #define ARGS_CLEANUP \
+ for ( mb_argc = 0; mb_argv[mb_argc]; mb_argc++ ) \
+ free(mb_argv[mb_argc])
+#else // ANSI
+ // no need for cleanup
+ #define ARGS_CLEANUP
+
+ wxChar **mb_argv = argv;
+#endif // Unicode/ANSI
+
+#if wxUSE_GUI
// create pipes
+ int end_proc_detect[2];
if (pipe(end_proc_detect) == -1)
{
wxLogSysError( _("Pipe creation failed") );
+
+ ARGS_CLEANUP;
+
return 0;
}
+#endif // wxUSE_GUI
// fork the process
#ifdef HAVE_VFORK
if (pid == -1)
{
wxLogSysError( _("Fork failed") );
+
+ ARGS_CLEANUP;
+
return 0;
}
else if (pid == 0)
{
+#if wxUSE_GUI
// we're in child
close(end_proc_detect[0]); // close reading side
+#endif // wxUSE_GUI
// These three 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
+ // one wants proper IO for the subprocess, the right thing to do is
// to start an xterm executing it.
if (sync == 0)
{
// leave stderr opened, it won't do any hurm
for ( int fd = 0; fd < FD_SETSIZE; fd++ )
{
- if ( fd != end_proc_detect[1] && fd != STDERR_FILENO )
+#if wxUSE_GUI
+ if ( fd == end_proc_detect[1] )
+ continue;
+#endif // wxUSE_GUI
+
+ if ( fd != STDERR_FILENO )
close(fd);
}
}
open("/dev/null", O_WRONLY); // stderr
#endif
-#ifdef _AIX
- execvp ((const char *)*argv, (const char **)argv);
-#else
- execvp (*argv, argv);
-#endif
+ execvp (*mb_argv, mb_argv);
// there is no return after successful exec()
- fprintf(stderr, _("Can't execute '%s'\n"), *argv);
+ wxFprintf(stderr, _("Can't execute '%s'\n"), *argv);
_exit(-1);
}
else
{
- // we're in parent
- close(end_proc_detect[1]); // close writing side
-
+#if wxUSE_GUI
wxEndProcessData *data = new wxEndProcessData;
- data->tag = wxAddProcessCallback(data, end_proc_detect[0]);
+
+ ARGS_CLEANUP;
if ( sync )
{
- wxASSERT_MSG( !process, "wxProcess param ignored for sync exec" );
+ wxASSERT_MSG( !process, wxT("wxProcess param ignored for sync exec") );
data->process = NULL;
// sync execution: indicate it by negating the pid
data->pid = -pid;
+ data->tag = wxAddProcessCallback(data, end_proc_detect[0]);
+ // we're in parent
+ close(end_proc_detect[1]); // close writing side
// it will be set to 0 from GTK_EndProcessDetector
while (data->pid != 0)
else
{
// async execution, nothing special to do - caller will be
- // notified about the process terminationif process != NULL, data
+ // notified about the process termination if process != NULL, data
// will be deleted in GTK_EndProcessDetector
data->process = process;
data->pid = pid;
+ data->tag = wxAddProcessCallback(data, end_proc_detect[0]);
+ // we're in parent
+ close(end_proc_detect[1]); // close writing side
return pid;
}
+#else // !wxUSE_GUI
+ wxASSERT_MSG( sync, wxT("async execution not supported yet") );
+
+ int exitcode = 0;
+ if ( waitpid(pid, &exitcode, 0) == -1 || !WIFEXITED(exitcode) )
+ {
+ wxLogSysError(_("Waiting for subprocess termination failed"));
+ }
+
+ return exitcode;
+#endif // wxUSE_GUI
}
+ return 0;
+
+ #undef ARGS_CLEANUP
}
// ----------------------------------------------------------------------------
// file and directory functions
// ----------------------------------------------------------------------------
-const char* wxGetHomeDir( wxString *home )
+const wxChar* wxGetHomeDir( wxString *home )
{
*home = wxGetUserHome( wxString() );
if ( home->IsEmpty() )
- *home = "/";
+ *home = wxT("/");
return home->c_str();
}
+#if wxUSE_UNICODE
+const wxMB2WXbuf wxGetUserHome( const wxString &user )
+#else // just for binary compatibility -- there is no 'const' here
char *wxGetUserHome( const wxString &user )
+#endif
{
struct passwd *who = (struct passwd *) NULL;
- if (user.IsNull() || (user== ""))
+ if ( !user )
{
- register char *ptr;
+ wxChar *ptr;
- if ((ptr = getenv("HOME")) != NULL)
+ if ((ptr = wxGetenv(wxT("HOME"))) != NULL)
{
return ptr;
}
- if ((ptr = getenv("USER")) != NULL || (ptr = getenv("LOGNAME")) != NULL)
+ if ((ptr = wxGetenv(wxT("USER"))) != NULL || (ptr = wxGetenv(wxT("LOGNAME"))) != NULL)
{
- who = getpwnam(ptr);
+ who = getpwnam(wxConvertWX2MB(ptr));
}
// We now make sure the the user exists!
}
else
{
- who = getpwnam (user);
+ who = getpwnam (user.mb_str());
}
- return who ? who->pw_dir : (char*)NULL;
+ return wxConvertMB2WX(who ? who->pw_dir : 0);
}
// ----------------------------------------------------------------------------
-// id routines
+// network and user id routines
// ----------------------------------------------------------------------------
-bool wxGetHostName(char *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, "NULL pointer in wxGetHostName" );
+ wxCHECK_MSG( buf, FALSE, wxT("NULL pointer in wxGetHostNameInternal") );
- *buf = '\0';
+ *buf = wxT('\0');
// we're using uname() which is POSIX instead of less standard sysinfo()
#if defined(HAVE_UNAME)
bool ok = uname(&uts) != -1;
if ( ok )
{
- strncpy(buf, uts.nodename, sz - 1);
- buf[sz] = '\0';
+ wxStrncpy(buf, wxConvertMB2WX(uts.nodename), sz - 1);
+ buf[sz] = wxT('\0');
}
#elif defined(HAVE_GETHOSTNAME)
bool ok = gethostname(buf, sz) != -1;
-#else
- wxFAIL_MSG("don't know host name for this machibe");
+#else // no uname, no gethostname
+ wxFAIL_MSG(wxT("don't know host name for this machine"));
bool ok = FALSE;
-#endif
+#endif // uname/gethostname
if ( !ok )
{
return ok;
}
-bool wxGetUserId(char *buf, int sz)
+bool wxGetHostName(wxChar *buf, int sz)
+{
+ bool ok = wxGetHostNameInternal(buf, sz);
+
+ if ( ok )
+ {
+ // BSD systems return the FQDN, we only want the hostname, so extract
+ // it (we consider that dots are domain separators)
+ wxChar *dot = wxStrchr(buf, wxT('.'));
+ if ( dot )
+ {
+ // nuke it
+ *dot = wxT('\0');
+ }
+ }
+
+ return ok;
+}
+
+bool wxGetFullHostName(wxChar *buf, int sz)
+{
+ bool ok = wxGetHostNameInternal(buf, sz);
+
+ if ( ok )
+ {
+ if ( !wxStrchr(buf, wxT('.')) )
+ {
+ struct hostent *host = gethostbyname(wxConvertWX2MB(buf));
+ if ( !host )
+ {
+ wxLogSysError(_("Cannot get the official hostname"));
+
+ ok = FALSE;
+ }
+ else
+ {
+ // the canonical name
+ wxStrncpy(buf, wxConvertMB2WX(host->h_name), sz);
+ }
+ }
+ //else: it's already a FQDN (BSD behaves this way)
+ }
+
+ return ok;
+}
+
+bool wxGetUserId(wxChar *buf, int sz)
{
struct passwd *who;
- *buf = '\0';
+ *buf = wxT('\0');
if ((who = getpwuid(getuid ())) != NULL)
{
- strncpy (buf, who->pw_name, sz - 1);
+ wxStrncpy (buf, wxConvertMB2WX(who->pw_name), sz - 1);
return TRUE;
}
return FALSE;
}
-bool wxGetUserName(char *buf, int sz)
+bool wxGetUserName(wxChar *buf, int sz)
{
struct passwd *who;
- char *comma;
- *buf = '\0';
- if ((who = getpwuid (getuid ())) != NULL) {
- comma = strchr(who->pw_gecos, ',');
+ *buf = wxT('\0');
+ if ((who = getpwuid (getuid ())) != NULL)
+ {
+ // pw_gecos field in struct passwd is not standard
+#if HAVE_PW_GECOS
+ char *comma = strchr(who->pw_gecos, ',');
if (comma)
*comma = '\0'; // cut off non-name comment fields
- strncpy (buf, who->pw_gecos, sz - 1);
+ 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
return TRUE;
}
return FALSE;
}
+wxString wxGetOsDescription()
+{
+#ifndef WXWIN_OS_DESCRIPTION
+ #error WXWIN_OS_DESCRIPTION should be defined in config.h by configure
+#else
+ return WXWIN_OS_DESCRIPTION;
+#endif
+}
+
// ----------------------------------------------------------------------------
// error and debug output routines (deprecated, use wxLog)
// ----------------------------------------------------------------------------
void wxError( const wxString &msg, const wxString &title )
{
- fprintf( stderr, _("Error ") );
- if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) );
- if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) );
- fprintf( stderr, ".\n" );
+ 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 )
{
- fprintf( stderr, _("Error ") );
- if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) );
- if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) );
- fprintf( stderr, ".\n" );
+ 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()
}
-//------------------------------------------------------------------------
-// directory routines
-//------------------------------------------------------------------------
-
-bool wxDirExists( const wxString& dir )
-{
- char buf[500];
- strcpy( buf, WXSTRINGCAST(dir) );
- struct stat sbuf;
- return ((stat(buf, &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE);
-}
projects / wxWidgets.git / blobdiff