def __init__(self, fd, **opts):
s_eventbus.EventBus.__init__(self)
self.alloclock = threading.Lock()
self.on('heap:write', self._fireHeapSync)
self.on('heap:resize', self._fireHeapSync)
self.syncact = s_reactor.Reactor()
self.syncact.act('heap:write', self._actSyncHeapWrite)
self.syncact.act('heap:resize', self._actSyncHeapResize)
self.pagesize = opts.get('pagesize', defpage)
pagerem = self.pagesize % mmap.ALLOCATIONGRANULARITY
if pagerem:
self.pagesize += (mmap.ALLOCATIONGRANULARITY - pagerem)
fd.seek(0, os.SEEK_END)
size = fd.tell()
if size == 0:
size = 32 # a few qword slots for expansion
used = headsize + size
heaphead = self._genHeapHead(size) + s_compat.to_bytes(used, 8)
rem = len(heaphead) % self.pagesize
if rem:
heaphead += b'\x00' * (self.pagesize - rem)
fd.write(heaphead)
fd.flush()
self.fd = fd
self.atom = opts.get('atom')
if self.atom is None:
self.atom = s_atomfile.getAtomFile(fd)
self.used = s_compat.to_int(self.readoff(32, 8))
self.onfini(self.atom.fini)
def __init__(self, fd, **opts):
s_eventbus.EventBus.__init__(self)
self.alloclock = threading.Lock()
self.on('heap:write', self._fireHeapSync)
self.on('heap:resize', self._fireHeapSync)
self.syncact = s_reactor.Reactor()
self.syncact.act('heap:write', self._actSyncHeapWrite )
self.syncact.act('heap:resize', self._actSyncHeapResize )
self.pagesize = opts.get('pagesize',defpage)
pagerem = self.pagesize % mmap.ALLOCATIONGRANULARITY
if pagerem:
self.pagesize += ( mmap.ALLOCATIONGRANULARITY - pagerem )
fd.seek(0,os.SEEK_END)
size = fd.tell()
if size == 0:
size = 32 # a few qword slots for expansion
used = headsize + size
heaphead = self._genHeapHead(size) + s_compat.to_bytes(used,8)
rem = len(heaphead) % self.pagesize
if rem:
heaphead += b'\x00' * (self.pagesize - rem)
fd.write(heaphead)
fd.flush()
self.fd = fd
self.atom = opts.get('atom')
if self.atom == None:
self.atom = s_atomfile.getAtomFile(fd)
self.used = s_compat.to_int( self.readoff(32,8) )
self.onfini( self.atom.fini )
def test_atomfile_get(self):
fd = self._getTempFile()
with s_atomfile.getAtomFile(fd) as atom:
self._runAtomChecks(atom)
def test_atomfile_get(self):
fd = self._getTempFile()
with s_atomfile.getAtomFile(fd) as atom:
self._runAtomChecks(atom)
