Changeset 7647

Timestamp:

12/13/06 15:41:57 (2 years ago)

Author:

asterix

Message:

[mdt] better pid file behaviour for windows. fixes #2165

Files:

• trunk/src/gajim.py (modified) (2 diffs)

trunk/src/gajim.py

@@ -151 +151 @@
 import dialogs
 def pid_alive():
-        if os.name == 'nt':
-                return os.path.exists(pid_filename)
         try:
                 pf = open(pid_filename)
@@ -158 +156 @@
                 # probably file not found
                 return False
+        pid = int(pf.read().strip())
+        pf.close()
+
+        if os.name == 'nt':
+                try:
+                        from ctypes import (windll, c_ulong, c_int, Structure, c_char, POINTER, pointer, )
+                except:
+                        return True
+
+                class PROCESSENTRY32(Structure):
+                        _fields_ = [
+                                ('dwSize', c_ulong, ),
+                                ('cntUsage', c_ulong, ),
+                                ('th32ProcessID', c_ulong, ),
+                                ('th32DefaultHeapID', c_ulong, ),
+                                ('th32ModuleID', c_ulong, ),
+                                ('cntThreads', c_ulong, ),
+                                ('th32ParentProcessID', c_ulong, ),
+                                ('pcPriClassBase', c_ulong, ),
+                                ('dwFlags', c_ulong, ),
+                                ('szExeFile', c_char*512, ),
+                                ]
+                        def __init__(self):
+                                Structure.__init__(self, 512+9*4)
+
+                k = windll.kernel32
+                k.CreateToolhelp32Snapshot.argtypes = c_ulong, c_ulong,
+                k.CreateToolhelp32Snapshot.restype = c_int
+                k.Process32First.argtypes = c_int, POINTER(PROCESSENTRY32),
+                k.Process32First.restype = c_int
+                k.Process32Next.argtypes = c_int, POINTER(PROCESSENTRY32),
+                k.Process32Next.restype = c_int
+
+                def get_p(p):
+                        h = k.CreateToolhelp32Snapshot(2, 0) # TH32CS_SNAPPROCESS
+                        assert h > 0, 'CreateToolhelp32Snapshot failed'
+                        b = pointer(PROCESSENTRY32())
+                        f = k.Process32First(h, b)
+                        while f:
+                                if b.contents.th32ProcessID == p:
+                                        return b.contents.szExeFile
+                                f = k.Process32Next(h, b)
+
+                if get_p(pid) == 'python.exe':
+                        return True
+                return False
         try:
-                pid = int(pf.read().strip())
-                pf.close()
-
                 if not os.path.exists('/proc'):
                         return True # no /proc, assume Gajim is running