#include <signal.h>
#include <fcntl.h> // for O_WRONLY and friends
#include <time.h> // nanosleep() and/or usleep()
+#include <ctype.h> // isspace()
-#ifdef HAVE_UNAME
+// JACS: needed for FD_SETSIZE
+#include <sys/time.h>
+
+#if HAVE_UNAME
#include <sys/utsname.h> // for uname()
#endif // HAVE_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__)
extern "C"
{
- void usleep(unsigned long usec);
+ #ifdef __SUN__
+ int usleep(unsigned int usec);
+ #else // !Sun
+ void usleep(unsigned long usec);
+ #endif // Sun/!Sun
};
#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()
-
// ============================================================================
// implementation
// ============================================================================
void wxUsleep(unsigned long milliseconds)
{
-#if defined(HAVE_NANOSLEEP)
+#if 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)
+#elif 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)
+ #if defined(__SUN__) && wxUSE_THREADS
#error "usleep() cannot be used in MT programs under Solaris."
#endif // Sun
// process management
// ----------------------------------------------------------------------------
-int wxKill(long pid, int sig)
+int wxKill(long pid, wxSignal sig)
{
- return kill(pid, sig);
+ return kill(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" );
int argc = 0;
- char *argv[127];
- char *tmp = new char[command.Len() + 1];
- strcpy(tmp, command);
+ char *argv[WXEXECUTE_NARGS];
+ wxString argument;
+ const char *cptr = command.c_str();
+ char quotechar = '\0'; // is arg quoted?
+ bool escaped = FALSE;
+
+ // split the command line in arguments
+ do
+ {
+ argument="";
+ quotechar = '\0';
+
+ // eat leading whitespace:
+ while ( isspace(*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' && isspace(*cptr))
+ || *cptr == '\0' )
+ {
+ wxASSERT_MSG( argc < WXEXECUTE_NARGS,
+ "too many arguments in wxExecute" );
+
+ argv[argc] = new char[argument.length() + 1];
+ strcpy(argv[argc], argument.c_str());
+ argc++;
- argv[argc++] = strtok(tmp, IFS);
- while ((argv[argc++] = strtok((char *) NULL, IFS)) != NULL)
- /* loop */ ;
+ // 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;
}
{
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);
-
- if (proc_data->process)
- proc_data->process->OnTerminate(proc_data->pid, status);
+ if ( waitpid(pid, &status, 0) == -1 || !WIFEXITED(status) )
+ {
+ wxLogSysError(_("Waiting for subprocess termination failed"));
+ }
+ else
+ {
+ // notify user about termination if required
+ if (proc_data->process)
+ {
+ proc_data->process->OnTerminate(proc_data->pid,
+ WEXITSTATUS(status));
+ }
+ }
- if (proc_data->pid > 0)
+ // clean up
+ if ( proc_data->pid > 0 )
{
delete proc_data;
}
// 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)
{
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);
{
struct passwd *who = (struct passwd *) NULL;
- if (user.IsNull() || (user== ""))
+ if ( !user )
{
register char *ptr;
}
// ----------------------------------------------------------------------------
-// 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(char *buf, int sz)
{
- wxCHECK_MSG( buf, FALSE, "NULL pointer in wxGetHostName" );
+ wxCHECK_MSG( buf, FALSE, "NULL pointer in wxGetHostNameInternal" );
*buf = '\0';
}
#elif defined(HAVE_GETHOSTNAME)
bool ok = gethostname(buf, sz) != -1;
-#else
+#else // no uname, no gethostname
wxFAIL_MSG("don't know host name for this machibe");
bool ok = FALSE;
-#endif
+#endif // uname/gethostname
if ( !ok )
{
return ok;
}
+bool wxGetHostName(char *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)
+ char *dot = strchr(buf, '.');
+ if ( dot )
+ {
+ // nuke it
+ *dot = '\0';
+ }
+ }
+
+ return ok;
+}
+
+bool wxGetFullHostName(char *buf, int sz)
+{
+ bool ok = wxGetHostNameInternal(buf, sz);
+
+ if ( ok )
+ {
+ if ( !strchr(buf, '.') )
+ {
+ struct hostent *host = gethostbyname(buf);
+ if ( !host )
+ {
+ wxLogSysError(_("Cannot get the official hostname"));
+
+ ok = FALSE;
+ }
+ else
+ {
+ // the canonical name
+ strncpy(buf, host->h_name, sz);
+ }
+ }
+ //else: it's already a FQDN (BSD behaves this way)
+ }
+
+ return ok;
+}
+
bool wxGetUserId(char *buf, int sz)
{
struct passwd *who;
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