Reap zombies in a signal handler

Avoids relying on jernel behavior, which may not be portable across all unices
2017-10-22 19:13:13 +05:30
parent d239db8492
commit 6350652009
2 changed files with 11 additions and 3 deletions
@@ -165,7 +165,7 @@ def get_primary_selection():
        return ''  # There is no primary selection on OS X
    g = selection_clipboard_funcs()[0]
    if g is None:
-        # We cannot use check_output as we set SIGCHLD to SIG_IGN
+        # We cannot use check_output as we set a SIGCHLD handler to reap zombies
        ans = subprocess.Popen(['xsel', '-p'], stderr=subprocess.DEVNULL, stdin=subprocess.DEVNULL, stdout=subprocess.PIPE).stdout.read().decode('utf-8')
        if ans:
            # Without this for some reason repeated pastes dont work