[glibc] hurd: Avoid including thread_state.h in installed header

[glibc] hurd: Avoid including thread_state.h in installed header

[Samuel Thibault]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4be913652ca115160bae1daf560170ef8b112ccb

commit 4be913652ca115160bae1daf560170ef8b112ccb
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Tue Sep 5 11:58:26 2023 +0200

    hurd: Avoid including thread_state.h in installed header
    
    thread_state.h is not actually installed. It was only needed for
    struct machine_thread_all_state, which we can just declare, actually.

Diff:
---
 hurd/hurd/signal.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/hurd/hurd/signal.h b/hurd/hurd/signal.h
index 290c455ad4..4373e589f3 100644
--- a/hurd/hurd/signal.h
+++ b/hurd/hurd/signal.h
@@ -28,7 +28,6 @@
 #include <mach/mach_types.h>
 #include <mach/port.h>
 #include <mach/message.h>
-#include <thread_state.h>
 #include <hurd/hurd_types.h>
 #include <signal.h>
 #include <errno.h>
@@ -185,6 +184,7 @@ _hurd_self_sigstate (void)
 # endif
 #endif
 
+struct machine_thread_all_state;
 extern mach_port_t
 _hurdsig_abort_rpcs (struct hurd_sigstate *ss, int signo, int sigthread,
 		     struct machine_thread_all_state *state, int *state_change,
@@ -331,7 +331,6 @@ extern void _hurd_internal_post_signal (struct hurd_sigstate *ss,
    stack the handler will use, and which describes the state of the thread
    encoded in STATE before running the handler).  */
 
-struct machine_thread_all_state;
 extern struct sigcontext *
 _hurd_setup_sighandler (struct hurd_sigstate *ss, const struct sigaction *action,
 			__sighandler_t handler,