glibc/mach/mach.h
Samuel Thibault 42fc12ef73 hurd: Fix exec usage of mach_setup_thread
Exec needs that mach_setup_thread does *not* set up TLS since it works on
another task, so we have to split this into mach_setup_tls.

	* mach/mach.h (__mach_setup_tls, mach_setup_tls): Add prototypes.
	* mach/setup-thread.c (__mach_setup_thread): Move TLS setup to...
	(__mach_setup_tls): ... new function.
	(mach_setup_tls): New alias.
	* hurd/hurdsig.c (_hurdsig_init): Call __mach_setup_tls after
	__mach_setup_thread.
	* sysdeps/mach/hurd/profil.c (update_waiter): Likewise.
	* sysdeps/mach/hurd/setitimer.c (setitimer_locked): Likewise.
	* mach/Versions [libc] (mach_setup_tls): Add symbol.
	* sysdeps/mach/hurd/i386/libc.abilist (mach_setup_tls): Likewise.
2018-08-01 00:10:03 +02:00

104 lines
3.8 KiB
C

/* Standard header for all Mach programs.
Copyright (C) 1993-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifndef _MACH_H
#define _MACH_H 1
#include <features.h>
/* Get the basic types used by Mach. */
#include <mach/mach_types.h>
/* This declares the basic variables and macros everything needs. */
#include <mach_init.h>
/* This declares all the real system call functions. */
#include <mach/mach_traps.h>
/* These are MiG-generated headers for the kernel interfaces commonly used. */
#include <mach/mach_interface.h> /* From <mach/mach.defs>. */
#include <mach/mach_port.h>
#include <mach/mach_host.h>
/* For the kernel RPCs which have system call shortcut versions,
the MiG-generated header in fact declares `CALL_rpc' rather than `CALL'.
This file declares the simple `CALL' functions. */
#include <mach-shortcuts.h>
/* Receive RPC request messages on RCV_NAME and pass them to DEMUX, which
decodes them and produces reply messages. MAX_SIZE is the maximum size
(in bytes) of the request and reply buffers. */
extern mach_msg_return_t
__mach_msg_server (boolean_t (*__demux) (mach_msg_header_t *__request,
mach_msg_header_t *__reply),
mach_msg_size_t __max_size,
mach_port_t __rcv_name),
mach_msg_server (boolean_t (*__demux) (mach_msg_header_t *__request,
mach_msg_header_t *__reply),
mach_msg_size_t __max_size,
mach_port_t __rcv_name);
/* Just like `mach_msg_server', but the OPTION and TIMEOUT parameters are
passed on to `mach_msg'. */
extern mach_msg_return_t
__mach_msg_server_timeout (boolean_t (*__demux) (mach_msg_header_t *__request,
mach_msg_header_t *__reply),
mach_msg_size_t __max_size,
mach_port_t __rcv_name,
mach_msg_option_t __option,
mach_msg_timeout_t __timeout),
mach_msg_server_timeout (boolean_t (*__demux) (mach_msg_header_t *__request,
mach_msg_header_t *__reply),
mach_msg_size_t __max_size,
mach_port_t __rcv_name,
mach_msg_option_t __option,
mach_msg_timeout_t __timeout);
/* Deallocate all port rights and out-of-line memory in MSG. */
extern void
__mach_msg_destroy (mach_msg_header_t *msg),
mach_msg_destroy (mach_msg_header_t *msg);
#include <bits/types/FILE.h>
/* Open a stream on a Mach device. */
extern FILE *mach_open_devstream (mach_port_t device_port, const char *mode);
/* Give THREAD a stack and set it to run at PC when resumed.
If *STACK_SIZE is nonzero, that size of stack is allocated.
If *STACK_BASE is nonzero, that stack location is used.
If STACK_BASE is not null it is filled in with the chosen stack base.
If STACK_SIZE is not null it is filled in with the chosen stack size.
Regardless, an extra page of red zone is allocated off the end; this
is not included in *STACK_SIZE. */
kern_return_t __mach_setup_thread (task_t task, thread_t thread, void *pc,
vm_address_t *stack_base,
vm_size_t *stack_size);
kern_return_t mach_setup_thread (task_t task, thread_t thread, void *pc,
vm_address_t *stack_base,
vm_size_t *stack_size);
/* Give THREAD a TLS area. */
kern_return_t __mach_setup_tls (thread_t thread);
kern_return_t mach_setup_tls (thread_t thread);
#endif /* mach.h */