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vim-patch:8.2.3041: detecting if the process of a swap file is running fails

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Problem:    Detecting if the process of a swap file is running fails if the
            process is owned by another user.
Solution:   Check for the ESRCH error. (closes vim/vim#8436)

44dea9da4b

Co-authored-by: Bram Moolenaar <Bram@vim.org>
This commit is contained in:
zeertzjq 2022-11-17 18:41:07 +08:00
parent 1fe526184f
commit a8489308ab
1 changed files with 12 additions and 1 deletions
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13
src/nvim/os/process.c
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@ -264,5 +264,16 @@ Dictionary os_proc_info(int pid)
/// Return true if process `pid` is running. /// Return true if process `pid` is running.
bool os_proc_running(int pid) bool os_proc_running(int pid)
{ {
return uv_kill(pid, 0) == 0; int err = uv_kill(pid, 0);
// If there is no error the process must be running.
if (err == 0) {
return true;
}
// If the error is ESRCH then the process is not running.
if (err == UV_ESRCH) {
return false;
}
// If the process is running and owned by another user we get EPERM. With
// other errors the process might be running, assuming it is then.
return true;
} }