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fix(puppet-agent): Fixes #9208 - puppet agent windows daemon startup inconsistency. #9338

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47 changes: 15 additions & 32 deletions lib/puppet/util/windows/daemon.rb
Original file line number Diff line number Diff line change
Expand Up @@ -187,25 +187,6 @@ class Daemon
SetTheServiceStatus.call(SERVICE_STOPPED, NO_ERROR, 0, 0)
end

ThreadProc = FFI::Function.new(:ulong, [:pointer]) do |lpParameter|
ste = FFI::MemoryPointer.new(SERVICE_TABLE_ENTRYW, 2)

s = SERVICE_TABLE_ENTRYW.new(ste[0])
s[:lpServiceName] = FFI::MemoryPointer.from_string('')
s[:lpServiceProc] = lpParameter

s = SERVICE_TABLE_ENTRYW.new(ste[1])
s[:lpServiceName] = nil
s[:lpServiceProc] = nil

# No service to step, no service handle, no ruby exceptions, just terminate the thread..
unless StartServiceCtrlDispatcherW(ste)
return 1
end

return 0
end

# This is a shortcut for Daemon.new + Daemon#mainloop.
#
def self.mainloop
Expand Down Expand Up @@ -255,26 +236,28 @@ def mainloop
raise SystemCallError.new('CreateEvent', FFI.errno)
end

hThread = CreateThread(nil, 0, ThreadProc, Service_Main, 0, nil)
hThread = Thread.new(Service_Main) do |lp_proc|
ste = FFI::MemoryPointer.new(SERVICE_TABLE_ENTRYW, 2)

if hThread == 0
raise SystemCallError.new('CreateThread', FFI.errno)
end
s = SERVICE_TABLE_ENTRYW.new(ste[0])
s[:lpServiceName] = FFI::MemoryPointer.from_string("")
s[:lpServiceProc] = lp_proc

events = FFI::MemoryPointer.new(:pointer, 2)
events.put_pointer(0, FFI::Pointer.new(hThread))
events.put_pointer(FFI::Pointer.size, FFI::Pointer.new(@@hStartEvent))
s = SERVICE_TABLE_ENTRYW.new(ste[1])
s[:lpServiceName] = nil
s[:lpServiceProc] = nil

while (index = WaitForMultipleObjects(2, events, 0, 1000)) == WAIT_TIMEOUT
# No service to step, no service handle, no ruby exceptions, just terminate the thread..
StartServiceCtrlDispatcherW(ste)
end

if index == WAIT_FAILED
raise SystemCallError.new('WaitForMultipleObjects', FFI.errno)
while (index = WaitForSingleObject(@@hStartEvent, 1000)) == WAIT_TIMEOUT
# The thread exited, so the show is off.
raise "Service_Main thread exited abnormally" unless hThread.alive?
end

# The thread exited, so the show is off.
if index == WAIT_OBJECT_0
raise "Service_Main thread exited abnormally"
if index == WAIT_FAILED
raise SystemCallError.new("WaitForSingleObject", FFI.errno)
end

thr = Thread.new do
Expand Down