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add support for asynchronous execution in wxBase (patch 1906889)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52550 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2008-03-15 16:46:38 +00:00
parent a568316bc5
commit 9243700fb2
6 changed files with 37 additions and 51 deletions
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50
src/unix/baseunix.cpp
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@@ -45,41 +45,31 @@
// wxConsoleAppTraits implementation
// ============================================================================
// ----------------------------------------------------------------------------
// wxExecute support
// ----------------------------------------------------------------------------
bool wxConsoleAppTraits::CreateEndProcessPipe(wxExecuteData& WXUNUSED(data))
{
// nothing to do, so always ok
return true;
}
bool
wxConsoleAppTraits::IsWriteFDOfEndProcessPipe(wxExecuteData& WXUNUSED(data),
int WXUNUSED(fd))
{
// we don't have any pipe
return false;
}
void
wxConsoleAppTraits::DetachWriteFDOfEndProcessPipe(wxExecuteData& WXUNUSED(data))
{
// nothing to do
}
int
wxConsoleAppTraits::WaitForChild(wxExecuteData& execData)
{
wxASSERT_MSG( execData.flags & wxEXEC_SYNC,
wxT("async execution not supported yet") );
int exitcode = 0;
if ( waitpid(execData.pid, &exitcode, 0) == -1 || !WIFEXITED(exitcode) )
if ( execData.flags & wxEXEC_SYNC )
{
wxLogSysError(_("Waiting for subprocess termination failed"));
if ( waitpid(execData.pid, &exitcode, 0) == -1 || !WIFEXITED(exitcode) )
{
wxLogSysError(_("Waiting for subprocess termination failed"));
}
}
else // asynchronous execution
{
wxEndProcessData *endProcData = new wxEndProcessData;
endProcData->process = execData.process;
endProcData->pid = execData.pid;
endProcData->tag = wxAddProcessCallback
(
endProcData,
execData.pipeEndProcDetect.Detach(wxPipe::Read)
);
execData.pipeEndProcDetect.Close();
exitcode = execData.pid;
}
return exitcode;