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

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 #8436)
This commit is contained in:
Bram Moolenaar 2021-06-23 21:13:20 +02:00
parent 18d46587b9
commit 44dea9da4b
2 changed files with 13 additions and 2 deletions

View File

@ -2486,8 +2486,17 @@ mch_get_pid(void)
int
mch_process_running(long pid)
{
// EMX kill() not working correctly, it seems
return kill(pid, 0) == 0;
// If there is no error the process must be running.
if (kill(pid, 0) == 0)
return TRUE;
#ifdef ESRCH
// If the error is ESRCH then the process is not running.
if (errno == ESRCH)
return FALSE;
#endif
// 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;
}
#if !defined(HAVE_STRERROR) && defined(USE_GETCWD)

View File

@ -755,6 +755,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
3041,
/**/
3040,
/**/