From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sun, 5 Jan 2020 17:09:13 +0000 (+0100)
Subject: hurd: Fix message reception for timer_thread
X-Git-Tag: glibc-2.31~48
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cbce69e70dc4b04fefcc7257e593733b8b03856c;p=thirdparty%2Fglibc.git

hurd: Fix message reception for timer_thread

Without a proper size, we get MACH_RCV_TOO_LARGE instead of MACH_MSG_SUCCESS.

* sysdeps/mach/hurd/setitimer.c (timer_thread): Add return_code_type
field to received message, and set the receive size in __mach_msg call.
---

diff --git a/sysdeps/mach/hurd/setitimer.c b/sysdeps/mach/hurd/setitimer.c
index 4a6fd1fe339..b16f4ddd5da 100644
--- a/sysdeps/mach/hurd/setitimer.c
+++ b/sysdeps/mach/hurd/setitimer.c
@@ -80,6 +80,7 @@ timer_thread (void)
       struct
 	{
 	  mach_msg_header_t header;
+	  mach_msg_type_t return_code_type;
 	  error_t return_code;
 	} msg;
 
@@ -89,7 +90,7 @@ timer_thread (void)
 	 _hurd_itimerval.  */
       err = __mach_msg (&msg.header,
 			MACH_RCV_MSG|MACH_RCV_TIMEOUT|MACH_RCV_INTERRUPT,
-			0, 0, _hurd_itimer_port,
+			0, sizeof(msg), _hurd_itimer_port,
 			_hurd_itimerval.it_value.tv_sec * 1000
 			+ _hurd_itimerval.it_value.tv_usec / 1000,
 			MACH_PORT_NULL);