* Added end process notification in motif.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@990 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Guilhem Lavaux
1998-11-11 18:06:28 +00:00
parent 55acd85e71
commit 8ef6a930da
5 changed files with 138 additions and 54 deletions

View File

@@ -37,7 +37,7 @@ wxOutputStream& WXDLLEXPORT wxEndL(wxOutputStream& o_stream);
class WXDLLEXPORT wxStreamBuffer {
public:
typedef enum {
read, write, read_write
read = 0, write, read_write
} BufMode;
// -----------
@@ -51,9 +51,12 @@ class WXDLLEXPORT wxStreamBuffer {
// -----------
// Filtered IO
// -----------
void Read(void *buffer, size_t size);
void Write(const void *buffer, size_t size);
bool WriteBack(const char *buffer, size_t size);
size_t Read(void *buffer, size_t size);
size_t Read(wxStreamBuffer *buf);
size_t Write(const void *buffer, size_t size);
size_t Write(wxStreamBuffer *buf);
size_t WriteBack(const char *buffer, size_t size);
bool WriteBack(char c);
char GetChar();
void PutChar(char c);
@@ -78,7 +81,12 @@ class WXDLLEXPORT wxStreamBuffer {
bool FlushBuffer();
bool FillBuffer();
size_t GetDataLeft() const;
size_t GetDataLeft();
// --------------
// Administration
// --------------
wxStreamBase *Stream() { return m_stream; }
protected:
char *AllocSpaceWBack(size_t needed_size);
@@ -98,7 +106,7 @@ class WXDLLEXPORT wxStreamBuffer {
wxStreamBase *m_stream;
BufMode m_mode;
bool m_destroybuf;
bool m_destroybuf, m_destroystream;
};
// ---------------------------------------------------------------------------

View File

@@ -1034,8 +1034,10 @@ void wxSocketBase::WantSpeedBuffer(char *buffer, size_t nbytes,
if (ret < 0) {
m_lcount = 0;
m_error = errno;
} else
} else {
m_lcount = ret;
m_error = 0;
}
}
void wxSocketBase::WantBuffer(char *buffer, size_t nbytes,

View File

@@ -24,6 +24,8 @@
#pragma hdrstop
#endif
#define BUF_TEMP_SIZE 10000
// ----------------------------------------------------------------------------
// wxStreamBuffer
// ----------------------------------------------------------------------------
@@ -31,15 +33,16 @@
wxStreamBuffer::wxStreamBuffer(wxStreamBase& stream, BufMode mode)
: m_buffer_start(NULL), m_buffer_end(NULL), m_buffer_pos(NULL),
m_buffer_size(0), m_fixed(TRUE), m_flushable(TRUE), m_stream(&stream),
m_mode(mode), m_destroybuf(FALSE)
m_mode(mode), m_destroybuf(FALSE), m_destroystream(FALSE)
{
}
wxStreamBuffer::wxStreamBuffer(BufMode mode)
: m_buffer_start(NULL), m_buffer_end(NULL), m_buffer_pos(NULL),
m_buffer_size(0), m_fixed(TRUE), m_flushable(FALSE), m_stream(NULL),
m_mode(mode), m_destroybuf(FALSE)
m_mode(mode), m_destroybuf(FALSE), m_destroystream(TRUE)
{
m_stream = new wxStreamBase();
}
wxStreamBuffer::wxStreamBuffer(const wxStreamBuffer& buffer)
@@ -53,24 +56,27 @@ wxStreamBuffer::wxStreamBuffer(const wxStreamBuffer& buffer)
m_stream = buffer.m_stream;
m_mode = buffer.m_mode;
m_destroybuf = FALSE;
m_destroystream = FALSE;
}
wxStreamBuffer::~wxStreamBuffer()
{
if (m_destroybuf)
wxDELETEA(m_buffer_start);
if (m_destroystream)
delete m_stream;
}
bool wxStreamBuffer::WriteBack(const char *buf, size_t bufsize)
size_t wxStreamBuffer::WriteBack(const char *buf, size_t bufsize)
{
char *ptrback;
ptrback = AllocSpaceWBack(bufsize);
if (!ptrback)
return FALSE;
return 0;
memcpy(ptrback, buf, bufsize);
return TRUE;
return bufsize;
}
bool wxStreamBuffer::WriteBack(char c)
@@ -226,8 +232,10 @@ void wxStreamBuffer::PutChar(char c)
return;
}
if (!GetDataLeft() && !FlushBuffer())
if (!GetDataLeft() && !FlushBuffer()) {
m_stream->m_lasterror = wxStream_EOF;
return;
}
PutToBuffer(&c, 1);
m_stream->m_lastcount = 1;
@@ -244,15 +252,17 @@ char wxStreamBuffer::GetChar()
return c;
}
if (!GetDataLeft() && !FillBuffer())
if (!GetDataLeft()) {
m_stream->m_lasterror = wxStream_EOF;
return 0;
}
GetFromBuffer(&c, 1);
m_stream->m_lastcount = 1;
return c;
}
void wxStreamBuffer::Read(void *buffer, size_t size)
size_t wxStreamBuffer::Read(void *buffer, size_t size)
{
wxASSERT(m_stream != NULL);
@@ -263,13 +273,12 @@ void wxStreamBuffer::Read(void *buffer, size_t size)
m_stream->m_lastcount = GetWBack((char *)buffer, size);
size -= m_stream->m_lastcount;
if (size == 0)
return;
return m_stream->m_lastcount;
buffer = (void *)((char *)buffer+m_stream->m_lastcount);
if (!m_buffer_size) {
m_stream->m_lastcount += m_stream->OnSysRead(buffer, size);
return;
return (m_stream->m_lastcount += m_stream->OnSysRead(buffer, size));
}
// -----------------
@@ -288,8 +297,9 @@ void wxStreamBuffer::Read(void *buffer, size_t size)
buffer = (char *)buffer + buf_left; // ANSI C++ violation.
if (!FillBuffer()) {
m_stream->m_lastcount = orig_size-size;
return;
if (m_stream->m_lasterror == wxStream_NOERROR)
m_stream->m_lasterror = wxStream_EOF;
return (m_stream->m_lastcount = orig_size-size);
}
} else {
@@ -298,10 +308,23 @@ void wxStreamBuffer::Read(void *buffer, size_t size)
break;
}
}
m_stream->m_lastcount += orig_size;
return (m_stream->m_lastcount += orig_size);
}
void wxStreamBuffer::Write(const void *buffer, size_t size)
size_t wxStreamBuffer::Read(wxStreamBuffer *s_buf)
{
char buf[BUF_TEMP_SIZE];
size_t s = 0, bytes_read = BUF_TEMP_SIZE;
while (bytes_read == BUF_TEMP_SIZE) {
bytes_read = Read(buf, bytes_read);
bytes_read = s_buf->Write(buf, bytes_read);
s += bytes_read;
}
return s;
}
size_t wxStreamBuffer::Write(const void *buffer, size_t size)
{
wxASSERT(m_stream != NULL);
@@ -309,10 +332,8 @@ void wxStreamBuffer::Write(const void *buffer, size_t size)
// Buffering disabled
// ------------------
if (!m_buffer_size) {
m_stream->m_lastcount = m_stream->OnSysWrite(buffer, size);
return;
}
if (!m_buffer_size)
return (m_stream->m_lastcount = m_stream->OnSysWrite(buffer, size));
// ------------------
// Buffering enabled
@@ -331,9 +352,11 @@ void wxStreamBuffer::Write(const void *buffer, size_t size)
buffer = (char *)buffer + buf_left; // ANSI C++ violation.
if (!FlushBuffer()) {
m_stream->m_lastcount = orig_size-size;
return;
if (m_stream->m_lasterror == wxStream_NOERROR)
m_stream->m_lasterror = wxStream_EOF;
return (m_stream->m_lastcount = orig_size-size);
}
m_buffer_pos = m_buffer_start;
} else {
@@ -343,7 +366,22 @@ void wxStreamBuffer::Write(const void *buffer, size_t size)
break;
}
}
m_stream->m_lastcount = orig_size;
return (m_stream->m_lastcount = orig_size);
}
size_t wxStreamBuffer::Write(wxStreamBuffer *sbuf)
{
char buf[BUF_TEMP_SIZE];
size_t s = 0, bytes_count = BUF_TEMP_SIZE;
while (bytes_count == BUF_TEMP_SIZE) {
if (m_stream->StreamSize() < bytes_count)
bytes_count = m_stream->StreamSize();
bytes_count = sbuf->Read(buf, bytes_count);
bytes_count = Write(buf, bytes_count);
s += bytes_count;
}
return s;
}
off_t wxStreamBuffer::Seek(off_t pos, wxSeekMode mode)
@@ -352,7 +390,7 @@ off_t wxStreamBuffer::Seek(off_t pos, wxSeekMode mode)
last_access = GetLastAccess();
if (m_fixed) {
if (!m_flushable) {
diff = pos + GetIntPosition();
if (diff < 0 || diff > last_access)
return wxInvalidOffset;
@@ -392,7 +430,7 @@ off_t wxStreamBuffer::Tell() const
{
off_t pos;
if (!m_fixed) {
if (m_flushable) {
pos = m_stream->OnSysTell();
if (pos == wxInvalidOffset)
return wxInvalidOffset;
@@ -401,8 +439,10 @@ off_t wxStreamBuffer::Tell() const
return GetIntPosition();
}
size_t wxStreamBuffer::GetDataLeft() const
size_t wxStreamBuffer::GetDataLeft()
{
if (m_buffer_end == m_buffer_pos && m_flushable)
FillBuffer();
return m_buffer_end-m_buffer_pos;
}
@@ -480,23 +520,20 @@ wxInputStream& wxInputStream::Read(void *buffer, size_t size)
char wxInputStream::Peek()
{
if (!m_i_streambuf->GetDataLeft())
m_i_streambuf->FillBuffer();
m_i_streambuf->GetDataLeft();
return *(m_i_streambuf->GetBufferPos());
}
#define BUF_TEMP_SIZE 10000
wxInputStream& wxInputStream::Read(wxOutputStream& stream_out)
{
char buf[BUF_TEMP_SIZE];
size_t bytes_read = BUF_TEMP_SIZE;
while (bytes_read == BUF_TEMP_SIZE && stream_out.LastError() != wxStream_NOERROR) {
while (bytes_read == BUF_TEMP_SIZE) {
bytes_read = Read(buf, bytes_read).LastRead();
stream_out.Write(buf, bytes_read);
bytes_read = stream_out.Write(buf, bytes_read).LastWrite();
}
return *this;
}

View File

@@ -55,18 +55,52 @@
#include <Xm/Xm.h>
#define wxEXECUTE_WIN_MESSAGE 10000
struct wxLocalProcessData
{
int pid, end_process;
wxProcess *process;
};
#ifdef __SOLARIS__
// somehow missing from sys/wait.h but in the system's docs
extern "C"
{
pid_t wait4(pid_t pid, int *statusp, int options, struct rusage
*rusage);
}
#endif
void xt_notify_end_process(XtPointer client, int *fid,
XtInputId *id)
{
Bool *flag = (Bool *) client;
*flag = TRUE;
wxLocalProcessData *process_data = (wxLocalProcessData *)client;
int pid;
pid = (process_data->pid > 0) ? process_data->pid : -(process_data->pid);
/* wait4 is not part of any standard, use at own risk
* not sure what wait4 does, but wait3 seems to be closest, whats a digit ;-)
* --- offer@sgi.com */
#if !defined(__sgi)
wait4(process_data->pid, NULL, 0, NULL);
#else
wait3((int *) NULL, 0, (rusage *) NULL);
#endif
XtRemoveInput(*id);
if (process_data->process)
process_data->process->OnTerminate(process_data->pid);
process_data->end_process = TRUE;
if (process_data->pid > 0)
delete process_data;
else
process_data->pid = 0;
}
long wxExecute(char **argv, bool sync, wxProcess *WXUNUSED(handler))
long wxExecute(char **argv, bool sync, wxProcess *handler)
{
#ifdef VMS
return(0);
@@ -114,28 +148,34 @@ long wxExecute(char **argv, bool sync, wxProcess *WXUNUSED(handler))
_exit (-1);
}
int end_process = 0;
wxLocalProcessData *process_data = new wxLocalProcessData;
process_data->end_process = 0;
process_data->process = handler;
process_data->pid = (sync) ? pid : -pid;
close(proc_link[1]);
XtAppAddInput((XtAppContext) wxTheApp->GetAppContext(), proc_link[0],
(XtPointer *) XtInputReadMask,
(XtInputCallbackProc) xt_notify_end_process,
(XtPointer) &end_process);
(XtPointer) process_data);
if (sync) {
while (!end_process)
while (!process_data->end_process)
XtAppProcessEvent((XtAppContext) wxTheApp->GetAppContext(), XtIMAll);
if (WIFEXITED(end_process) != 0)
return WEXITSTATUS(end_process);
if (WIFEXITED(process_data->end_process) != 0)
return WEXITSTATUS(process_data->end_process);
}
delete process_data;
return pid;
#endif
// end VMS
}
long wxExecute (const wxString& command, bool sync, wxProcess* WXUNUSED(process))
long wxExecute (const wxString& command, bool sync, wxProcess* handler)
{
#ifdef VMS
return(0);
@@ -156,7 +196,7 @@ long wxExecute (const wxString& command, bool sync, wxProcess* WXUNUSED(process)
while ((argv[argc++] = strtok (NULL, IFS)) != NULL)
/* loop */ ;
return wxExecute(argv, sync);
return wxExecute(argv, sync, handler);
#endif
// VMS
}

View File

@@ -90,11 +90,8 @@ void WXSERIAL(wxBitmap)::LoadObject(wxObjectInputStream& s)
w = data_s.Read16();
h = data_s.Read16();
#ifdef __WXGTK__
bitmap->Resize(w, h);
#else
bitmap->Create(w, h);
#endif
bitmap->SetWidth(w);
bitmap->SetHeight(h);
dc.SelectObject(*bitmap);
for (y=0;y<h;y++)