// Name: utilsexec.cpp
// Purpose: Execution-related utilities
// Author: Stefan Csomor
-// Modified by: David Elliott
+// Modified by:
// Created: 1998-01-01
// RCS-ID: $Id$
// Copyright: (c) Stefan Csomor
-// Licence: wxWidgets licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-//#pragma implementation
-#endif
-
-#include "wx/log.h"
-#include "wx/utils.h"
-#ifdef __DARWIN__
-#include "wx/unix/execute.h"
-#include <unistd.h>
-#include <sys/wait.h>
-extern "C" {
-#include <mach/mach.h>
-}
-#include <CoreFoundation/CFMachPort.h>
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#ifndef __DARWIN__
-#define wxEXECUTE_WIN_MESSAGE 10000
-
-#include "wx/mac/private.h"
-
-/*
-Below FinderLaunch function comes from:
-http://developer.apple.com/technotes/tn/tn1002.html#fndrask
-*/
- /* FinderLaunch converts a list of nTargets FSSpec records
- pointed to by the targetList parameter and converts the
- list to an Apple Event. It then sends that event to the
- Finder. The array of FSSpec records pointed to by the
- targetList parameter may contain references to files,
- folders, or applications. The net effect of this command
- is equivalent to the user selecting an icon in one of the
- Finder's windows and then choosing the open command from
- the Finder's file menu. */
-static OSErr FinderLaunch(long nTargets, FSSpec *targetList) {
- OSErr err;
- AppleEvent theAEvent, theReply;
- AEAddressDesc fndrAddress;
- AEDescList targetListDesc;
- OSType fndrCreator;
- Boolean wasChanged;
- AliasHandle targetAlias;
- long index;
-
- /* set up locals */
- AECreateDesc(typeNull, NULL, 0, &theAEvent);
- AECreateDesc(typeNull, NULL, 0, &fndrAddress);
- AECreateDesc(typeNull, NULL, 0, &theReply);
- AECreateDesc(typeNull, NULL, 0, &targetListDesc);
- targetAlias = NULL;
- fndrCreator = 'MACS';
-
- /* verify parameters */
- if ((nTargets == 0) || (targetList == NULL)) {
- err = paramErr;
- goto bail;
- }
-
- /* create an open documents event targeting the
- finder */
- err = AECreateDesc(typeApplSignature, (Ptr) &fndrCreator,
- sizeof(fndrCreator), &fndrAddress);
- if (err != noErr) goto bail;
- err = AECreateAppleEvent(kCoreEventClass, kAEOpenDocuments,
- &fndrAddress, kAutoGenerateReturnID,
- kAnyTransactionID, &theAEvent);
- if (err != noErr) goto bail;
-
- /* create the list of files to open */
- err = AECreateList(NULL, 0, false, &targetListDesc);
- if (err != noErr) goto bail;
- for ( index=0; index < nTargets; index++) {
- if (targetAlias == NULL)
- err = NewAlias(NULL, (targetList + index),
- &targetAlias);
- else err = UpdateAlias(NULL, (targetList + index),
- targetAlias, &wasChanged);
- if (err != noErr) goto bail;
- HLock((Handle) targetAlias);
- err = AEPutPtr(&targetListDesc, (index + 1),
- typeAlias, *targetAlias,
- GetHandleSize((Handle) targetAlias));
- HUnlock((Handle) targetAlias);
- if (err != noErr) goto bail;
- }
-
- /* add the file list to the Apple Event */
- err = AEPutParamDesc(&theAEvent, keyDirectObject,
- &targetListDesc);
- if (err != noErr) goto bail;
-
- /* send the event to the Finder */
- err = AESend(&theAEvent, &theReply, kAENoReply,
- kAENormalPriority, kAEDefaultTimeout, NULL, NULL);
-
- /* clean up and leave */
-bail:
- if (targetAlias != NULL) DisposeHandle((Handle) targetAlias);
- AEDisposeDesc(&targetListDesc);
- AEDisposeDesc(&theAEvent);
- AEDisposeDesc(&fndrAddress);
- AEDisposeDesc(&theReply);
- return err;
-}
-
-long wxExecute(const wxString& command, int flags, wxProcess *WXUNUSED(handler))
-{
- wxASSERT_MSG( flags == wxEXEC_ASYNC,
- wxT("wxExecute: Only wxEXEC_ASYNC is supported") );
-
- FSSpec fsSpec;
- wxMacFilename2FSSpec(command, &fsSpec);
-
- // 0 means execution failed. Returning non-zero is a PID, but not
- // on Mac where PIDs are 64 bits and won't fit in a long, so we
- // return a dummy value for now.
- return ( FinderLaunch(1 /*one file*/, &fsSpec) == noErr ) ? -1 : 0;
-}
-
-#endif
-
-#ifdef __DARWIN__
-void wxMAC_MachPortEndProcessDetect(CFMachPortRef port, void *data)
-{
- wxEndProcessData *proc_data = (wxEndProcessData*)data;
- wxLogDebug(wxT("Wow.. this actually worked!"));
- int status = 0;
- int rc = waitpid(abs(proc_data->pid), &status, WNOHANG);
- if(!rc)
- {
- wxLogDebug(wxT("Mach port was invalidated, but process hasn't terminated!"));
- return;
- }
- if((rc != -1) && WIFEXITED(status))
- proc_data->exitcode = WEXITSTATUS(status);
- else
- proc_data->exitcode = -1;
- wxHandleProcessTermination(proc_data);
-}
-
-int wxAddProcessCallbackForPid(wxEndProcessData *proc_data, int pid)
-{
- if(pid < 1)
- return -1;
- kern_return_t kernResult;
- mach_port_t taskOfOurProcess;
- mach_port_t machPortForProcess;
- taskOfOurProcess = mach_task_self();
- if(taskOfOurProcess == MACH_PORT_NULL)
- {
- wxLogDebug(wxT("No mach_task_self()"));
- return -1;
- }
- wxLogDebug(wxT("pid=%d"),pid);
- kernResult = task_for_pid(taskOfOurProcess,pid, &machPortForProcess);
- if(kernResult != KERN_SUCCESS)
- {
- wxLogDebug(wxT("no task_for_pid()"));
- // try seeing if it is already dead or something
- // FIXME: a better method would be to call the callback function
- // from idle time until the process terminates. Of course, how
- // likely is it that it will take more than 0.1 seconds for the
- // mach terminate event to make its way to the BSD subsystem?
- usleep(100); // sleep for 0.1 seconds
- wxMAC_MachPortEndProcessDetect(NULL, (void*)proc_data);
- return -1;
- }
- CFMachPortContext termcb_contextinfo;
- termcb_contextinfo.version = NULL;
- termcb_contextinfo.info = (void*)proc_data;
- termcb_contextinfo.retain = NULL;
- termcb_contextinfo.release = NULL;
- termcb_contextinfo.copyDescription = NULL;
- CFMachPortRef CFMachPortForProcess;
- Boolean ShouldFreePort;
- CFMachPortForProcess = CFMachPortCreateWithPort(NULL, machPortForProcess, NULL, &termcb_contextinfo, &ShouldFreePort);
- if(!CFMachPortForProcess)
- {
- wxLogDebug(wxT("No CFMachPortForProcess"));
- mach_port_deallocate(taskOfOurProcess, machPortForProcess);
- return -1;
- }
- if(ShouldFreePort)
- {
- kernResult = mach_port_deallocate(taskOfOurProcess, machPortForProcess);
- if(kernResult!=KERN_SUCCESS)
- {
- wxLogDebug(wxT("Couldn't deallocate mach port"));
- return -1;
- }
- }
- CFMachPortSetInvalidationCallBack(CFMachPortForProcess, &wxMAC_MachPortEndProcessDetect);
- CFRunLoopSourceRef runloopsource;
- runloopsource = CFMachPortCreateRunLoopSource(NULL,CFMachPortForProcess, (CFIndex)0);
- if(!runloopsource)
- {
- wxLogDebug(wxT("Couldn't create runloopsource"));
- return -1;
- }
-
- CFRelease(CFMachPortForProcess);
-
- CFRunLoopAddSource(CFRunLoopGetCurrent(),runloopsource,kCFRunLoopDefaultMode);
- CFRelease(runloopsource);
- wxLogDebug(wxT("Successfully added notification to the runloop"));
- return 0;
-}
-#endif
+// TODO REMOVE
projects / wxWidgets.git / blobdiff