#include "wx/utils.h"
#include "wx/process.h"
+#include "wx/thread.h"
-#include "wx/unix/execute.h"
+#include "wx/stream.h"
+
+#if wxUSE_GUI
+ #include "wx/unix/execute.h"
+#endif
#include <stdarg.h>
#include <dirent.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
-// JACS: needed for FD_SETSIZE
-#include <sys/time.h>
-
-#if HAVE_UNAME
+#ifdef HAVE_UNAME
#include <sys/utsname.h> // for uname()
#endif // HAVE_UNAME
#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"
{
#ifdef __SUN__
int usleep(unsigned int usec);
#else // !Sun
- void usleep(unsigned long usec);
- #endif // Sun/!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
};
+
+ #define HAVE_USLEEP 1
#endif // Unices without usleep()
// ============================================================================
void wxUsleep(unsigned long milliseconds)
{
-#if HAVE_NANOSLEEP
+#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
(void)nanosleep(&tmReq, (timespec *)NULL);
-#elif HAVE_USLEEP
+#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)
+ #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
int wxKill(long pid, wxSignal sig)
{
- return kill(pid, (int)sig);
+ return kill((pid_t)pid, (int)sig);
}
#define WXEXECUTE_NARGS 127
long wxExecute( const wxString& command, bool sync, wxProcess *process )
{
- 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[WXEXECUTE_NARGS];
+ wxChar *argv[WXEXECUTE_NARGS];
wxString argument;
- const char *cptr = command.c_str();
- char quotechar = '\0'; // is arg quoted?
+ const wxChar *cptr = command.c_str();
+ wxChar quotechar = wxT('\0'); // is arg quoted?
bool escaped = FALSE;
// split the command line in arguments
do
{
- argument="";
- quotechar = '\0';
+ argument=wxT("");
+ quotechar = wxT('\0');
// eat leading whitespace:
- while ( isspace(*cptr) )
+ while ( wxIsspace(*cptr) )
cptr++;
- if ( *cptr == '\'' || *cptr == '"' )
+ if ( *cptr == wxT('\'') || *cptr == wxT('"') )
quotechar = *cptr++;
do
{
- if ( *cptr == '\\' && ! escaped )
+ if ( *cptr == wxT('\\') && ! escaped )
{
escaped = TRUE;
cptr++;
// have we reached the end of the argument?
if ( (*cptr == quotechar && ! escaped)
- || (quotechar == '\0' && isspace(*cptr))
- || *cptr == '\0' )
+ || (quotechar == wxT('\0') && wxIsspace(*cptr))
+ || *cptr == wxT('\0') )
{
wxASSERT_MSG( argc < WXEXECUTE_NARGS,
- "too many arguments in wxExecute" );
+ wxT("too many arguments in wxExecute") );
- argv[argc] = new char[argument.length() + 1];
- strcpy(argv[argc], argument.c_str());
+ argv[argc] = new wxChar[argument.length() + 1];
+ wxStrcpy(argv[argc], argument.c_str());
argc++;
// if not at end of buffer, swallow last character:
{
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);
// systems wait() might be used instead in a loop (until the right pid
// terminates)
int status = 0;
- if ( waitpid(pid, &status, 0) == -1 || !WIFEXITED(status) )
+ 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( rc == -1 || ! (WIFEXITED(status) || WIFSIGNALED(status)) )
{
- wxLogSysError(_("Waiting for subprocess termination failed"));
+ 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
{
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;
+ }
}
+}
- // clean up
- if ( proc_data->pid > 0 )
- {
- delete proc_data;
+#endif // wxUSE_GUI
+
+#if wxUSE_GUI
+ #define WXUNUSED_UNLESS_GUI(p) p
+#else
+ #define WXUNUSED_UNLESS_GUI(p)
+#endif
+
+// New wxStream classes to clean up the data when the process terminates
+
+#if wxUSE_GUI
+class wxProcessFileInputStream: public wxInputStream {
+ public:
+ wxProcessFileInputStream(int fd);
+ ~wxProcessFileInputStream();
+
+ protected:
+ size_t OnSysRead(void *buffer, size_t bufsize);
+
+ protected:
+ int m_fd;
+};
+
+class wxProcessFileOutputStream: public wxOutputStream {
+ public:
+ wxProcessFileOutputStream(int fd);
+ ~wxProcessFileOutputStream();
+
+ protected:
+ size_t OnSysWrite(const void *buffer, size_t bufsize);
+
+ protected:
+ int m_fd;
+};
+
+wxProcessFileInputStream::wxProcessFileInputStream(int fd)
+{
+ m_fd = fd;
+}
+
+wxProcessFileInputStream::~wxProcessFileInputStream()
+{
+ close(m_fd);
+}
+
+size_t wxProcessFileInputStream::OnSysRead(void *buffer, size_t bufsize)
+{
+ int ret;
+
+ ret = read(m_fd, buffer, bufsize);
+ m_lasterror = wxSTREAM_NOERROR;
+ if (ret == 0)
+ m_lasterror = wxSTREAM_EOF;
+ if (ret == -1) {
+ m_lasterror = wxSTREAM_READ_ERROR;
+ ret = 0;
}
- else
- {
- // wxExecute() will know about it
- proc_data->exitcode = status;
+ return ret;
+}
+
+wxProcessFileOutputStream::wxProcessFileOutputStream(int fd)
+{
+ m_fd = fd;
+}
- proc_data->pid = 0;
+wxProcessFileOutputStream::~wxProcessFileOutputStream()
+{
+ close(m_fd);
+}
+
+size_t wxProcessFileOutputStream::OnSysWrite(const void *buffer, size_t bufsize)
+{
+ int ret;
+
+ ret = write(m_fd, buffer, bufsize);
+ m_lasterror = wxSTREAM_NOERROR;
+ if (ret == -1) {
+ m_lasterror = wxSTREAM_WRITE_ERROR;
+ ret = 0;
}
+ return ret;
}
-long wxExecute( char **argv, bool sync, wxProcess *process )
+#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
+
+#if wxUSE_GUI
+ int in_pipe[2] = { -1, -1 };
+ int out_pipe[2] = { -1, -1 };
+ // Only asynchronous mode is interresting
+ if (!sync && process && process->NeedPipe())
+ {
+ if (pipe(in_pipe) == -1 || pipe(out_pipe) == -1)
+ {
+ /* Free fds */
+ close(end_proc_detect[0]);
+ close(end_proc_detect[1]);
+ wxLogSysError( _("Pipe creation failed (Console pipes)") );
+
+ ARGS_CLEANUP;
+
+ return 0;
+ }
+ }
+#endif // wxUSE_GUI
// fork the process
#ifdef HAVE_VFORK
#endif
if (pid == -1)
{
+#if wxUSE_GUI
+ close(end_proc_detect[0]);
+ close(end_proc_detect[1]);
+ close(in_pipe[0]);
+ close(in_pipe[1]);
+ close(out_pipe[0]);
+ close(out_pipe[1]);
+#endif
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
// 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] || fd == in_pipe[0] || fd == out_pipe[1] )
+ continue;
+#endif // wxUSE_GUI
+
+ if ( fd != STDERR_FILENO )
close(fd);
}
}
+ // Fake a console by duplicating pipes
+#if wxUSE_GUI
+ if (in_pipe[0] != -1) {
+ dup2(in_pipe[0], STDIN_FILENO);
+ dup2(out_pipe[1], STDOUT_FILENO);
+ close(in_pipe[0]);
+ close(out_pipe[1]);
+ }
+#endif // wxUSE_GUI
+
#if 0
close(STDERR_FILENO);
open("/dev/null", O_WRONLY); // stderr
#endif
- execvp (*argv, argv);
+ 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->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
{
+ // pipe initialization: construction of the wxStreams
+ if (process && process->NeedPipe()) {
+ // These two streams are relative to this process.
+ wxOutputStream *my_output_stream;
+ wxInputStream *my_input_stream;
+
+ my_output_stream = new wxProcessFileOutputStream(in_pipe[1]);
+ my_input_stream = new wxProcessFileInputStream(out_pipe[0]);
+ close(in_pipe[0]); // close reading side
+ close(out_pipe[1]); // close writing side
+
+ process->SetPipeStreams(my_input_stream, my_output_stream);
+ }
+
// 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->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 )
{
- 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);
}
// ----------------------------------------------------------------------------
// 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)
+static bool wxGetHostNameInternal(wxChar *buf, int sz)
{
- wxCHECK_MSG( buf, FALSE, "NULL pointer in wxGetHostNameInternal" );
+ 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 // no uname, no gethostname
- wxFAIL_MSG("don't know host name for this machibe");
+ wxFAIL_MSG(wxT("don't know host name for this machine"));
bool ok = FALSE;
#endif // uname/gethostname
return ok;
}
-bool wxGetHostName(char *buf, int sz)
+bool wxGetHostName(wxChar *buf, int sz)
{
bool ok = wxGetHostNameInternal(buf, sz);
{
// BSD systems return the FQDN, we only want the hostname, so extract
// it (we consider that dots are domain separators)
- char *dot = strchr(buf, '.');
+ wxChar *dot = wxStrchr(buf, wxT('.'));
if ( dot )
{
// nuke it
- *dot = '\0';
+ *dot = wxT('\0');
}
}
return ok;
}
-bool wxGetFullHostName(char *buf, int sz)
+bool wxGetFullHostName(wxChar *buf, int sz)
{
bool ok = wxGetHostNameInternal(buf, sz);
if ( ok )
{
- if ( !strchr(buf, '.') )
+ if ( !wxStrchr(buf, wxT('.')) )
{
- struct hostent *host = gethostbyname(buf);
+ struct hostent *host = gethostbyname(wxConvertWX2MB(buf));
if ( !host )
{
wxLogSysError(_("Cannot get the official hostname"));
else
{
// the canonical name
- strncpy(buf, host->h_name, sz);
+ wxStrncpy(buf, wxConvertMB2WX(host->h_name), sz);
}
}
//else: it's already a FQDN (BSD behaves this way)
return ok;
}
-bool wxGetUserId(char *buf, int sz)
+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()
}
projects / wxWidgets.git / blobdiff