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import sys
if sys.platform == "linux2":
import ctypes as c
import ctypes.util
libc = c.CDLL(ctypes.util.find_library("c"))
class SysInfo(c.Structure):
# for libc5: needs padding
padding = 20 - 2 * c.sizeof(c.c_long) - c.sizeof(c.c_int)
_fields_ = [("uptime", c.c_ulong),
("loads", 3 * c.c_ulong),
("totalram", c.c_ulong),
("freeram", c.c_ulong),
("sharedram", c.c_ulong),
("bufferram", c.c_ulong),
("totalswap", c.c_ulong),
("freeswap", c.c_ulong),
("procs", c.c_ushort),
("totalhigh", c.c_ulong),
("freehigh", c.c_ulong),
("mem_unit", c.c_ulong),
("_padding", padding * c.c_char)
]
def free_mem():
sys_info = SysInfo()
libc.sysinfo(c.byref(sys_info))
return sys_info.freeram
elif sys.platform == "win32":
try:
import win32api
except:
free_mem = lambda: 0 # memory will never change !
else:
def free_mem():
return win32api.GlobalMemoryStatus()['AvailPhys']
else:
sys.stderr.write("determination of memory status not supported on this \n"
" platform, mesauring for memoryleaks will never fail\n")
free_mem = lambda: 0 # memory will never change !
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