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unix: uv_pipe_chmod try with pipe_fname if getsockname returns ''.

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On some platforms (like GNU/Hurd), `getsockname` returns an empty
string for sockets in the UNIX domain. However, we do have stored the
path info in `pipe_fname` of `uv_pipe_t`, so we can try with it
if `getsockname` returns an empty string.
This commit is contained in:
Yuqian Yang 2025-04-07 14:13:25 +08:00
parent fc29c125d4
commit a3a1f13423
1 changed files with 7 additions and 1 deletions
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8
src/unix/pipe.c
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@ -450,6 +450,7 @@ int uv_pipe_chmod(uv_pipe_t* handle, int mode) {
char name_buffer[1 + UV__PATH_MAX];
int desired_mode;
size_t name_len;
const char* name;
int fd;
int r;
@ -481,8 +482,13 @@ int uv_pipe_chmod(uv_pipe_t* handle, int mode) {
r = uv_pipe_getsockname(handle, name_buffer, &name_len);
if (r != 0)
return r;
name = name_buffer;
if (chmod(name_buffer, desired_mode))
/* On some platforms, getsockname returns an empty string, and we try with pipe_fname. */
if (name_len == 0 && handle->pipe_fname != NULL)
name = handle->pipe_fname;
if (chmod(name, desired_mode))
return UV__ERR(errno);
return 0;