// Author: Robert Roebling
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/utils.h"
#include "wx/process.h"
+#include "wx/unix/execute.h"
+
#include <stdarg.h>
#include <dirent.h>
#include <string.h>
#include <netdb.h>
#include <signal.h>
#include <fcntl.h> // for O_WRONLY and friends
-#include <time.h> // nanosleep() and/or usleep()
#include <glib.h>
#include <gdk/gdk.h>
#include <gtk/gtkfeatures.h>
#include <gdk/gdkx.h>
-#ifdef __SVR4__
- #include <sys/systeminfo.h>
-#endif
-
-// 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) && \
- !defined(__SunOs_5_7) && !defined(__SUNPRO_CC)) || \
- defined(__osf__)
- extern "C"
- {
- void usleep(unsigned long usec);
- };
-#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()
-
-//------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
// misc.
-//------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
-void wxBell(void)
+void wxBell()
{
gdk_beep();
}
-void wxSleep(int nSecs)
-{
- sleep(nSecs);
-}
-
-void wxUsleep(unsigned long milliseconds)
-{
-#if defined(HAVE_NANOSLEEP)
- timespec tmReq;
- tmReq.tv_sec = milliseconds / 1000;
- tmReq.tv_nsec = (milliseconds % 1000) * 1000 * 1000;
-
- // we're not interested in remaining time nor in return value
- (void)nanosleep(&tmReq, (timespec *)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()
- // 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)
- #error "usleep() cannot be used in MT programs under Solaris."
- #endif // Sun
-
- usleep(milliseconds * 1000); // usleep(3) wants microseconds
-#else // !sleep function
- #error "usleep() or nanosleep() function required for wxUsleep"
-#endif // sleep function
-}
-
-int wxKill(long pid, int sig)
-{
- return kill(pid, sig);
-}
+// ----------------------------------------------------------------------------
+// display characterstics
+// ----------------------------------------------------------------------------
void wxDisplaySize( int *width, int *height )
{
gdk_window_get_pointer( (GdkWindow*) NULL, x, y, (GdkModifierType*) NULL );
}
-bool wxColourDisplay(void)
+bool wxColourDisplay()
{
return TRUE;
}
-int wxDisplayDepth(void)
+int wxDisplayDepth()
{
return gdk_window_get_visual( (GdkWindow*) &gdk_root_parent )->depth;
}
return wxGTK;
}
-//------------------------------------------------------------------------
-// user and home routines
-//------------------------------------------------------------------------
-
-const char* wxGetHomeDir( wxString *home )
-{
- *home = wxGetUserHome( wxString() );
- if (home->IsNull()) *home = "/";
- return *home;
-}
-
-char *wxGetUserHome( const wxString &user )
-{
- struct passwd *who = (struct passwd *) NULL;
-
- if (user.IsNull() || (user== ""))
- {
- register char *ptr;
-
- if ((ptr = getenv("HOME")) != NULL)
- {
- return ptr;
- }
- if ((ptr = getenv("USER")) != NULL || (ptr = getenv("LOGNAME")) != NULL)
- {
- who = getpwnam(ptr);
- }
-
- /* We now make sure the the user exists! */
- if (who == NULL)
- {
- who = getpwuid(getuid());
- }
- }
- else
- {
- who = getpwnam (user);
- }
-
- return who ? who->pw_dir : (char*)NULL;
-}
-
-//------------------------------------------------------------------------
-// id routines
-//------------------------------------------------------------------------
-
-bool wxGetHostName(char *buf, int sz)
-{
- *buf = '\0';
-#if defined(__SVR4__) && !defined(__sgi)
- //KB: does this return the fully qualified host.domain name?
- return (sysinfo(SI_HOSTNAME, buf, sz) != -1);
-#else /* BSD Sockets */
- char name[255], domain[255];
- //struct hostent *h;
- // Get hostname
- if (gethostname(name, sizeof(name)/sizeof(char)-1) == -1)
- return FALSE;
- if (getdomainname(domain, sizeof(domain)/sizeof(char)-1) == -1)
- return FALSE;
- // Get official full name of host
- // doesn't return the full qualified name, replaced by following
- // code (KB)
- // strncpy(buf, (h=gethostbyname(name))!=NULL ? h->h_name : name, sz-1);
- if((unsigned)sz > strlen(name)+strlen(domain)+1)
- {
- strcpy(buf, name);
- if(strcmp(domain,"(none)") == 0) // standalone machine
- {
- strcat(buf,".");
- strcat(buf,domain);
- }
- }
- else
- return FALSE;
- return TRUE;
-#endif
-}
-
-bool wxGetUserId(char *buf, int sz)
-{
- struct passwd *who;
-
- *buf = '\0';
- if ((who = getpwuid(getuid ())) != NULL) {
- strncpy (buf, who->pw_name, sz-1);
- return TRUE;
- }
- return FALSE;
-}
-
-bool wxGetUserName(char *buf, int sz)
-{
- struct passwd *who;
- char *comma;
-
- *buf = '\0';
- if ((who = getpwuid (getuid ())) != NULL) {
- comma = strchr(who->pw_gecos,'c');
- if(comma) *comma = '\0'; // cut off non-name comment fields
- strncpy (buf, who->pw_gecos, sz - 1);
- return TRUE;
- }
- return FALSE;
-}
-
-//------------------------------------------------------------------------
-// error and debug output routines
-//------------------------------------------------------------------------
-
-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 )
-{
- fprintf( stderr, "Error " );
- if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) );
- if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) );
- fprintf( stderr, ".\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" );
- 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);
-}
-
-//------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
// subprocess routines
-//------------------------------------------------------------------------
-
-// if pid > 0, the execution is async and the data is freed in
-// GTK_EndProcessDetector, if pid < 0, the execution is synchronous and the
-// caller (wxExecute) frees the data
-struct wxEndProcessData
-{
- gint pid, tag;
- wxProcess *process;
- int exitcode;
-};
+// ----------------------------------------------------------------------------
static void GTK_EndProcessDetector(gpointer data, gint source,
GdkInputCondition WXUNUSED(condition) )
{
wxEndProcessData *proc_data = (wxEndProcessData *)data;
- int pid;
-
- pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid);
- int status = 0;
- wxWait4(pid, &status, 0, (rusage *) NULL);
+ wxHandleProcessTermination(proc_data);
close(source);
gdk_input_remove(proc_data->tag);
-
- if (proc_data->process)
- proc_data->process->OnTerminate(proc_data->pid, status);
-
- if (proc_data->pid > 0)
- {
- delete proc_data;
- }
- else
- {
- // wxExecute() will know about it
- proc_data->exitcode = status;
-
- proc_data->pid = 0;
- }
}
-long wxExecute( char **argv, bool sync, wxProcess *process )
+int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
{
- wxEndProcessData *data = new wxEndProcessData;
- int end_proc_detect[2];
-
- wxCHECK_MSG( *argv, 0, "can't exec empty command" );
-
- /* Create pipes */
- if (pipe(end_proc_detect) == -1)
- {
- wxLogSysError( _("Pipe creation failed") );
- return 0;
- }
+ int tag = gdk_input_add(fd,
+ GDK_INPUT_READ,
+ GTK_EndProcessDetector,
+ (gpointer)proc_data);
- /* fork the process */
-#if defined(sun) || defined(__ultrix) || defined(__bsdi__)
- pid_t pid = vfork();
-#else
- pid_t pid = fork();
-#endif
- if (pid == -1)
- {
- wxLogSysError( _("Fork failed") );
- return 0;
- }
- else if (pid == 0)
- {
- // we're in child
- close(end_proc_detect[0]); // close reading side
-
- // 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
- // to start an xterm executing it.
- close(STDIN_FILENO);
- close(STDOUT_FILENO);
-
- // leave stderr opened, it won't do any hurm
-#if 0
- close(STDERR_FILENO);
-
- // some programs complain about stderr not being open, so redirect
- // them:
- open("/dev/null", O_RDONLY); // stdin
- open("/dev/null", O_WRONLY); // stdout
- open("/dev/null", O_WRONLY); // stderr
-#endif
-
-#ifdef _AIX
- execvp ((const char *)*argv, (const char **)argv);
-#else
- execvp (*argv, argv);
-#endif
-
- // there is no return after successful exec()
- fprintf(stderr, _("Can't execute '%s'\n"), *argv);
-
- _exit(-1);
- }
- else
- {
- // we're in parent
- close(end_proc_detect[1]); // close writing side
- data->tag = gdk_input_add(end_proc_detect[0], GDK_INPUT_READ,
- GTK_EndProcessDetector, (gpointer)data);
- if ( sync )
- {
- wxASSERT_MSG( !process, "wxProcess param ignored for sync exec" );
- data->process = NULL;
-
- // sync execution: indicate it by negating the pid
- data->pid = -pid;
-
- // it will be set to 0 from GTK_EndProcessDetector
- while (data->pid != 0)
- wxYield();
-
- int exitcode = data->exitcode;
-
- delete data;
-
- return exitcode;
- }
- else
- {
- // async execution, nothing special to do - caller will be
- // notified about the process terminationif process != NULL, data
- // will be deleted in GTK_EndProcessDetector
- data->process = process;
- data->pid = pid;
-
- return pid;
- }
- }
+ return tag;
}
-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" );
-
- int argc = 0;
- char *argv[127];
- char *tmp = new char[command.Len() + 1];
- strcpy(tmp, command);
-
- argv[argc++] = strtok(tmp, IFS);
- while ((argv[argc++] = strtok((char *) NULL, IFS)) != NULL)
- /* loop */ ;
-
- long lRc = wxExecute(argv, sync, process);
-
- delete [] tmp;
-
- return lRc;
-}
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