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path: root/contrib/buildslave-0.8.6p1-gnunet-w32.patch
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diff -urN /src/buildbot-slave-0.8.6p1.orig/buildslave/runprocess.py /src/buildbot-slave-0.8.6p1/buildslave/runprocess.py
--- buildbot-slave-0.8.6p1.orig/buildslave/runprocess.py	2012-03-26 04:09:10 +0400
+++ buildbot-slave-0.8.6p1/buildslave/runprocess.py	2013-03-31 05:18:55 +0400
@@ -24,6 +24,7 @@
 import re
 import subprocess
 import traceback
+import tempfile
 import stat
 from collections import deque
 
@@ -36,6 +37,89 @@
 if runtime.platformType == 'posix':
     from twisted.internet.process import Process
 
+if os.name == 'nt':
+    import win32api
+    import win32process
+    import win32event
+    import pywintypes
+
+def safe_terminate_process (proc, code):
+    if os.name == 'nt':
+        log.msg ("Obtaining current process handle")
+        cp = win32api.GetCurrentProcess ()
+        result = False
+        log.msg ("Expanding target process handle permissions")
+        dupproc = win32api.DuplicateHandle (cp, proc._handle, cp, 2 | 1024 | 8 | 32 | 16 | 0x100000, 0, 0)
+        log.msg ("Expanded.")
+        try:
+            log.msg ("Checking exit code of target process")
+            exitcode = win32process.GetExitCodeProcess (dupproc)
+            log.msg ("Exit code is %d" % exitcode)
+            if exitcode == 0x103:
+                log.msg ("Opening kernel32.dll")
+                kernel32 = win32api.GetModuleHandle ("kernel32")
+                log.msg ("Getting ExitProcess() address")
+                exitprocess = win32api.GetProcAddress (kernel32, "ExitProcess")
+                try:
+                    log.msg ("Creating remote thread")
+                    th = 0
+                    tid = 0
+                    failed = False
+                    th, tid = win32process.CreateRemoteThread (dupproc, None, 0, exitprocess, code, 0)
+                    log.msg ("Created remote thread %d" % tid)
+                except pywintypes.error as e:
+                    if e[0] == 5:
+                      log.msg ("Access denied. It still might die, so don't fail yet")
+                      pass
+                    else:
+                      log.msg("exception %s - %s" % (sys.exc_info()[0], sys.exc_info()[1]))
+                      failed = True
+                except Exception as e:
+                    log.msg("exception %s - %s" % (sys.exc_info()[0], sys.exc_info()[1]))
+                    failed = True
+                if not failed:
+                    log.msg ("Wait for 5 seconds or until it dies (usually takes around 1 microsecond)")
+                    waitresult = win32event.WaitForSingleObject (dupproc, 5)
+                    log.msg ("Result of waiting: %d" % waitresult)
+                    win32api.CloseHandle (th)
+                    if waitresult == 0:
+                        result = True
+            else:
+                result = True
+        except:
+            log.msg("exception %s - %s" % (sys.exc_info()[0], sys.exc_info()[1]))
+        finally:
+            win32api.CloseHandle (dupproc)
+        return result
+    else:
+        return proc.kill ()
+
+class Dummy(object):
+    def SetHandle (self, h):
+        self._handle = h
+
+def safe_terminate_process_by_pid (proc, code):
+    if os.name == 'nt':
+        try:
+            log.msg("Opening process %d" % proc)
+            openproc = win32api.OpenProcess (2 | 1024 | 8 | 32 | 16 | 0x100000, 0, proc)
+            log.msg("Opened process %d" % proc)
+            try:
+                d = Dummy ()
+                d.SetHandle (openproc)
+                log.msg("Terminating it safely")
+                safe_terminate_process (d, code)
+                log.msg("Finished terminating")
+            finally:
+                log.msg("Closing process handle")
+                win32api.CloseHandle (openproc)
+        except:
+            log.msg("exception %s - %s" % (sys.exc_info()[0], sys.exc_info()[1]))
+            pass
+    else:
+        return os.kill (proc, code)
+
+	
 def shell_quote(cmd_list):
     # attempt to quote cmd_list such that a shell will properly re-interpret
     # it.  The pipes module is only available on UNIX, and Windows "shell"
@@ -148,6 +232,7 @@
         self.pending_stdin = ""
         self.stdin_finished = False
         self.killed = False
+        self.scriptfile = ""
 
     def setStdin(self, data):
         assert not self.connected
@@ -198,6 +283,11 @@
                 rc = 1
             else:
                 rc = -1
+        if self.scriptfile:
+            try:
+                os.remove (self.scriptfile) 
+            except:
+                pass
         self.command.finished(sig, rc)
 
 
@@ -408,9 +498,14 @@
 
         if type(self.command) in types.StringTypes:
             if runtime.platformType  == 'win32':
-                argv = os.environ['COMSPEC'].split() # allow %COMSPEC% to have args
-                if '/c' not in argv: argv += ['/c']
-                argv += [self.command]
+                if os.environ['BUILDSLAVE_SHELL']:
+                    argv = os.environ['BUILDSLAVE_SHELL'].split() # allow %COMSPEC% to have args
+                    argv += [self.command]
+                else:
+                    argv = os.environ['COMSPEC'].split() # allow %COMSPEC% to have args
+                    if '/c' not in argv:
+                        argv += ['/c']
+                    argv += [self.command]
             else:
                 # for posix, use /bin/sh. for other non-posix, well, doesn't
                 # hurt to try
@@ -424,9 +519,26 @@
             # handle path searching, etc.
             if runtime.platformType == 'win32' and not \
                     (self.command[0].lower().endswith(".exe") and os.path.isabs(self.command[0])):
-                argv = os.environ['COMSPEC'].split() # allow %COMSPEC% to have args
-                if '/c' not in argv: argv += ['/c']
-                argv += list(self.command)
+                if os.environ['BUILDSLAVE_SHELL']:
+                    argv = os.environ['BUILDSLAVE_SHELL'].split()
+                    # Create a temporary script file that changes current directory
+                    # and runs the command we want
+                    # It will be deleted after command is finished running (see RunProcessPP)
+                    tf, tf_name = tempfile.mkstemp ()
+                    f = os.fdopen (tf, 'wb')
+                    fcontents = '#!/bin/sh\ncd {}\n{}'.format (
+                        re.sub(r'(?<!\\) ','\\ ', self.workdir.replace('\\','/')),
+                        ' '.join (self.command))
+                    f.write (fcontents)
+                    log.msg("Script: {}".format (fcontents))
+                    f.close ()
+                    self.pp.scriptfile = tf_name
+                    argv += [tf_name.replace('\\','/')]
+                else:
+                    argv = os.environ['COMSPEC'].split() # allow %COMSPEC% to have args
+                    if '/c' not in argv:
+                      argv += ['/c']
+                    argv += list(self.command)
             else:
                 argv = self.command
             # Attempt to format this for use by a shell, although the process isn't perfect
@@ -439,7 +551,7 @@
             self.environ['PWD'] = os.path.abspath(self.workdir)
 
         # self.stdin is handled in RunProcessPP.connectionMade
-
+        log.msg("Running {}".format (argv))
         log.msg(" " + display)
         self._addToBuffers('header', display+"\n")
 
@@ -770,9 +882,7 @@
             if self.interruptSignal == None:
                 log.msg("self.interruptSignal==None, only pretending to kill child")
             else:
-                log.msg("using TASKKILL /F PID /T to kill pid %s" % self.process.pid)
-                subprocess.check_call("TASKKILL /F /PID %s /T" % self.process.pid)
-                log.msg("taskkill'd pid %s" % self.process.pid)
+                safe_terminate_process_by_pid (self.process.pid, 1)
                 hit = 1
 
         # try signalling the process itself (works on Windows too, sorta)
@@ -795,10 +905,11 @@
         if not hit:
             log.msg("signalProcess/os.kill failed both times")
 
-        if runtime.platformType == "posix":
+        if runtime.platformType == "posix" or runtime.platformType == "win32":
             # we only do this under posix because the win32eventreactor
             # blocks here until the process has terminated, while closing
             # stderr. This is weird.
+            # LRN: Turns out, things don't work without this on W32. At all.
             self.pp.transport.loseConnection()
 
         if self.deferred: