From: Mattias Engdegård <mattiase@acm.org>
Date: Fri, 29 Jan 2021 20:15:33 +0000 (+0100)
Subject: ; * src/process.c (child_signal_read): Don't report EAGAIN as error
X-Git-Tag: emacs-28.0.90~4039
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=7415c66d8b3e2476aeea64c70ef376c12a39f175;p=emacs.git

; * src/process.c (child_signal_read): Don't report EAGAIN as error
---

diff --git a/src/process.c b/src/process.c
index 1df4ed9ce03..3beb9cf7146 100644
--- a/src/process.c
+++ b/src/process.c
@@ -7217,7 +7217,7 @@ child_signal_read (int fd, void *data)
   eassert (0 <= fd);
   eassert (fd == child_signal_read_fd);
   char dummy;
-  if (emacs_read (fd, &dummy, 1) < 0)
+  if (emacs_read (fd, &dummy, 1) < 0 && errno != EAGAIN)
     emacs_perror ("reading from child signal FD");
 }
 #endif	/* !WINDOWSNT */