From: Victor Stinner <victor.stinner@gmail.com>
Date: Wed, 1 Apr 2015 16:35:22 +0000 (+0200)
Subject: Issue #23836: Use _Py_write_noraise() to retry on EINTR in trip_signal() of
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e72fe3995b231eb9cb350180603ee11a5293d737;p=python

Issue #23836: Use _Py_write_noraise() to retry on EINTR in trip_signal() of
signalmodule.c
---

diff --git a/Modules/signalmodule.c b/Modules/signalmodule.c
index a1fda3eb31..cc13194dfa 100644
--- a/Modules/signalmodule.c
+++ b/Modules/signalmodule.c
@@ -263,9 +263,10 @@ trip_signal(int sig_num)
 #endif
         {
             byte = (unsigned char)sig_num;
-            do {
-                rc = write(fd, &byte, 1);
-            } while (rc < 0 && errno == EINTR);
+
+            /* _Py_write_noraise() retries write() if write() is interrupted by
+               a signal (fails with EINTR). */
+            rc = _Py_write_noraise(fd, &byte, 1);
 
             if (rc < 0) {
                 Py_AddPendingCall(report_wakeup_write_error,