#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()
-
-// JACS: needed for FD_SETSIZE
-#include <sys/time.h>
+#include <sys/time.h> // needed for FD_SETSIZE
#ifdef HAVE_UNAME
#include <sys/utsname.h> // for uname()
#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>
- void usleep(unsigned long delay)
- {
- DosSleep(delay ? (delay/1000l) : 1l);
- }
- #else
- void usleep(unsigned long usec);
- #endif
+ #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
+
+ #define HAVE_USLEEP 1
#endif // Unices without usleep()
// ============================================================================
void wxUsleep(unsigned long milliseconds)
{
-#ifdef 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 defined( 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
#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
return wxExecute(cmd) != 0;
}
+#if wxUSE_GUI
+
void wxHandleProcessTermination(wxEndProcessData *proc_data)
{
int pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid);
int status = 0;
int rc;
+ // wait for child termination and if waitpid() was interrupted, try again
do
+ {
rc = waitpid(pid, &status, 0);
- while(rc == -1 && ( /* errno == ERESTARTSYS || */ errno == EINTR) );
- // waitpid() was interrupted, try again
+ }
+ while ( rc == -1 && errno == EINTR );
+
-
if( rc == -1 || ! (WIFEXITED(status) || WIFSIGNALED(status)) )
{
wxLogSysError(_("Waiting for subprocess termination failed"));
/* AFAIK, this can only happen if something went wrong within
- wxGTK, i.e. due to a racecondition or some serious bug.
+ wxGTK, i.e. due to a race condition or some serious bug.
After having fixed the order of statements in
GTK_EndProcessDetector(). (KB)
*/
{
// wxExecute() will know about it
proc_data->exitcode = status;
-
+
proc_data->pid = 0;
}
}
}
-long wxExecute( wxChar **argv, bool sync, wxProcess *process )
+#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;
+ }
+ return ret;
+}
+
+wxProcessFileOutputStream::wxProcessFileOutputStream(int fd)
+{
+ m_fd = fd;
+}
+
+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;
+}
+
+#endif
+
+long wxExecute(wxChar **argv,
+ bool sync,
+ wxProcess * WXUNUSED_UNLESS_GUI(process))
{
wxCHECK_MSG( *argv, 0, wxT("can't exec empty command") );
}
#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
pid_t pid = 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;
for ( int fd = 0; fd < FD_SETSIZE; fd++ )
{
#if wxUSE_GUI
- if ( fd == end_proc_detect[1] )
+ if ( fd == end_proc_detect[1] || fd == in_pipe[0] || fd == out_pipe[1] )
continue;
#endif // wxUSE_GUI
}
}
+ // 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);
#if wxUSE_GUI
wxEndProcessData *data = new wxEndProcessData;
-
ARGS_CLEANUP;
if ( sync )
data->process = NULL;
// sync execution: indicate it by negating the pid
- data->pid = -pid;
- data->tag = wxAddProcessCallback(data, end_proc_detect[0]);
+ data->pid = -pid;
+ data->tag = wxAddProcessCallback(data, end_proc_detect[0]);
// we're in parent
close(end_proc_detect[1]); // close writing side
}
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 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]);
+ 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
bool wxGetUserName(wxChar *buf, int sz)
{
struct passwd *who;
- char *comma;
*buf = wxT('\0');
- if ((who = getpwuid (getuid ())) != NULL) {
-#ifndef __VMS__
- comma = strchr(who->pw_gecos, ',');
+ 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
wxStrncpy (buf, wxConvertMB2WX(who->pw_gecos), sz - 1);
-#else
+#else // !HAVE_PW_GECOS
wxStrncpy (buf, wxConvertMB2WX(who->pw_name), sz - 1);
-#endif
+#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)
// ----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff