From aa19c68d2bdf3a831894f609b8ac5c8f123268b2 Mon Sep 17 00:00:00 2001
From: Sergey Bugaev <bugaevc@gmail.com>
Date: Wed, 17 May 2023 22:14:31 +0300
Subject: hurd: Use __mach_setup_thread_call ()

...instead of mach_setup_thread (), which is unsuitable for setting up
function calls.

Checked on x86_64-gnu: the signal thread no longer crashes upon trying
to process a message.

Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
Message-Id: <20230517191436.73636-6-bugaevc@gmail.com>
---
 hurd/hurdsig.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'hurd')

diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index 78ea59d97d..313e95aeec 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -22,6 +22,7 @@
 #include <lock-intern.h>	/* For `struct mutex'.  */
 #include <pthreadP.h>
 #include <mach.h>
+#include <mach/setup-thread.h>
 #include <mach/thread_switch.h>
 #include <mach/mig_support.h>
 #include <mach/vm_param.h>
@@ -1525,10 +1526,11 @@ _hurdsig_init (const int *intarray, size_t intarraysize)
       assert_perror (err);
 
       stacksize = __vm_page_size * 8; /* Small stack for signal thread.  */
-      err = __mach_setup_thread (__mach_task_self (), _hurd_msgport_thread,
-				 _hurd_msgport_receive,
-				 (vm_address_t *) &__hurd_sigthread_stack_base,
-				 &stacksize);
+      err = __mach_setup_thread_call (__mach_task_self (),
+				      _hurd_msgport_thread,
+				      _hurd_msgport_receive,
+				      (vm_address_t *) &__hurd_sigthread_stack_base,
+				      &stacksize);
       assert_perror (err);
       err = __mach_setup_tls (_hurd_msgport_thread);
       assert_perror (err);
-- 
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