Class: Chef::Win32::Process

Inherits:
Object show all
Extended by:
API::PSAPI, API::Process
Includes:
API::PSAPI, API::Process
Defined in:
lib/chef/win32/process.rb

Constant Summary

Constants included from API

API::WIN32_EPOC_MINUS_POSIX_EPOC

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from API

extended, #make_uint64, #wtime_to_time

Constructor Details

#initialize(handle) ⇒ Process 



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# File 'lib/chef/win32/process.rb', line 33

def initialize(handle)
  @handle = handle
end

Instance Attribute Details

#handle ⇒ Object (readonly)

Returns the value of attribute handle.



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# File 'lib/chef/win32/process.rb', line 37

def handle
  @handle
end

Class Method Details

.get_current_process ⇒ Object 



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# File 'lib/chef/win32/process.rb', line 51

def self.get_current_process
  Process.new(Handle.new(GetCurrentProcess()))
end

.get_process_handle_count(handle) ⇒ Object 



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# File 'lib/chef/win32/process.rb', line 55

def self.get_process_handle_count(handle)
  handle_count = FFI::MemoryPointer.new :uint32
  unless GetProcessHandleCount(handle.handle, handle_count)
    Chef::Win32::Error.raise!
  end
  handle_count.read_uint32
end

.get_process_id(handle) ⇒ Object 



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# File 'lib/chef/win32/process.rb', line 63

def self.get_process_id(handle)
  # Must have PROCESS_QUERY_INFORMATION or PROCESS_QUERY_LIMITED_INFORMATION rights
  result = GetProcessId(handle.handle)
  if result == 0
    Chef::Win32::Error.raise!
  end
  result
end

.get_process_memory_info(handle) ⇒ Object

Must have PROCESS_QUERY_INFORMATION or PROCESS_QUERY_LIMITED_INFORMATION rights, AND the PROCESS_VM_READ right



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# File 'lib/chef/win32/process.rb', line 74

def self.get_process_memory_info(handle)
  memory_info = PROCESS_MEMORY_COUNTERS.new
  unless GetProcessMemoryInfo(handle.handle, memory_info, memory_info.size)
    Chef::Win32::Error.raise!
  end
  memory_info
end

Instance Method Details

#handle_count ⇒ Object 



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# File 'lib/chef/win32/process.rb', line 43

def handle_count
  Process.get_process_handle_count(handle)
end

#id ⇒ Object 



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# File 'lib/chef/win32/process.rb', line 39

def id
  Process.get_process_id(handle)
end

#memory_info ⇒ Object 



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# File 'lib/chef/win32/process.rb', line 47

def memory_info
  Process.get_process_memory_info(handle)
end