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Use posix buffer

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This commit is contained in:
Nicolas Mowen 2024-11-16 07:08:19 -07:00
parent 707f62c891
commit 0ed221afd1
1 changed files with 10 additions and 10 deletions
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20
frigate/util/image.py
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@ -2,6 +2,7 @@
import datetime
import logging
import mmap
import subprocess as sp
from abc import ABC, abstractmethod
from string import printable
@ -736,21 +737,20 @@ class UntrackedSharedMemory:
self,
name: Optional[str] = None,
create: bool = False,
unlink: bool = False,
size: int = 0,
) -> None:
if unlink:
return
flag = posix_ipc.O_CREAT if create else 0
self.shm_store = posix_ipc.SharedMemory(name, flags=flag, size=size)
self.mm = mmap.mmap(self.shm_store.fd, 0)
self.buf = memoryview(self.mm)
def close(self) -> None:
self.shm_store.fd_close()
del self.buf
del self.mm
self.shm_store.close_fd()
def unlink(self, name: str) -> None:
shm = posix_ipc.SharedMemory(name, flags=posix_ipc.O_TRUNC, size=0)
shm.unlink()
def unlink(self) -> None:
self.shm_store.unlink()
class SharedMemoryFrameManager(FrameManager):
@ -787,14 +787,14 @@ class SharedMemoryFrameManager(FrameManager):
self.shm_store[name].close()
try:
self.shm_store[name].unlink(name)
self.shm_store[name].unlink()
except FileNotFoundError:
pass
del self.shm_store[name]
else:
try:
shm = UntrackedSharedMemory(name=name, unlink=True)
shm = UntrackedSharedMemory(name=name)
shm.close()
shm.unlink()
except FileNotFoundError: