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Add comments document realpath behavior for cwd_of_process

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Kovid Goyal 2024-10-07 21:13:54 +05:30
parent 575538c3f9
commit c08fb91b29
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4
kitty/child.py
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@ -30,6 +30,8 @@ if is_macos:
from kitty.fast_data_types import process_group_map as _process_group_map
def cwd_of_process(pid: int) -> str:
# The underlying code on macos returns a path with symlinks resolved
# anyway but we use realpath for extra safety.
return os.path.realpath(_cwd(pid))
def process_group_map() -> DefaultDict[int, list[int]]:
@ -56,6 +58,8 @@ else:
return os.path.realpath(ans)
else:
def cwd_of_process(pid: int) -> str:
# We use realpath instead of readlink to match macOS behavior where
# the underlying OS API returns real paths.
ans = f'/proc/{pid}/cwd'
return os.path.realpath(ans)