glibc/hurd/Makefile
Agustina Arzille fb4cc8a0c2 hurd: Reimplement libc locks using mach's gsync
* hurd/Makefile (routines): Add hurdlock.
	* hurd/Versions (GLIBC_PRIVATE): Added new entry to export the above
	interface.
	(HURD_CTHREADS_0.3): Remove __libc_getspecific.
	* hurd/hurdpid.c: Include <lowlevellock.h>
	(_S_msg_proc_newids): Use lll_wait to synchronize.
	* hurd/hurdsig.c: (reauth_proc): Use __mutex_lock and __mutex_unlock.
	* hurd/setauth.c: Include <hurdlock.h>, use integer for synchronization.
	* mach/Makefile (lock-headers): Remove machine-lock.h.
	* mach/lock-intern.h: Include <lowlevellock.h> instead of
	<machine-lock.h>.
	(__spin_lock_t): New type.
	(__SPIN_LOCK_INITIALIZER): New macro.
	(__spin_lock, __spin_unlock, __spin_try_lock, __spin_lock_locked,
	__mutex_init, __mutex_lock_solid, __mutex_unlock_solid, __mutex_lock,
	__mutex_unlock, __mutex_trylock): Use lll to implement locks.
	* mach/mutex-init.c: Include <lowlevellock.h> instead of <cthreads.h>.
	(__mutex_init): Initialize with lll.
	* manual/errno.texi (EOWNERDEAD, ENOTRECOVERABLE): New errno values.
	* sysdeps/mach/Makefile: Add libmachuser as dependencies for libs
	needing lll.
	* sysdeps/mach/hurd/bits/errno.h: Regenerate.
	* sysdeps/mach/hurd/cthreads.c (__libc_getspecific): Remove function.
	* sysdeps/mach/hurd/bits/libc-lock.h: Remove file.
	* sysdeps/mach/hurd/setpgid.c: Include <lowlevellock.h>.
	(__setpgid): Use lll for synchronization.
	* sysdeps/mach/hurd/setsid.c: Likewise with __setsid.
	* sysdeps/mach/bits/libc-lock.h: Include <tls.h> and <lowlevellock.h>
	instead of <cthreads.h>.
	(_IO_lock_inexpensive): New macro
	(__libc_lock_recursive_t, __rtld_lock_recursive_t): New structures.
	(__libc_lock_self0): New declaration.
	(__libc_lock_owner_self): New macro.
	(__libc_key_t): Remove type.
	(_LIBC_LOCK_INITIALIZER): New macro.
	(__libc_lock_define_initialized, __libc_lock_init, __libc_lock_fini,
	__libc_lock_fini_recursive, __rtld_lock_fini_recursive,
	__libc_lock_lock, __libc_lock_trylock, __libc_lock_unlock,
	__libc_lock_define_initialized_recursive,
	__rtld_lock_define_initialized_recursive,
	__libc_lock_init_recursive, __libc_lock_trylock_recursive,
	__libc_lock_lock_recursive, __libc_lock_unlock_recursive,
	__rtld_lock_initialize, __rtld_lock_trylock_recursive,
	__rtld_lock_lock_recursive, __rtld_lock_unlock_recursive
	__libc_once_define, __libc_mutex_unlock): Reimplement with lll.
	(__libc_lock_define_recursive, __rtld_lock_define_recursive,
	_LIBC_LOCK_RECURSIVE_INITIALIZER, _RTLD_LOCK_RECURSIVE_INITIALIZER):
	New macros.
	Include <libc-lockP.h> to reimplement libc_key* with pthread_key*.
	* hurd/hurdlock.c: New file.
	* hurd/hurdlock.h: New file.
	* mach/lowlevellock.h: New file
2018-03-18 18:23:45 +01:00

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# Copyright (C) 1991-2018 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/>.
subdir := hurd
include ../Makeconfig
headers = hurd.h $(interface-headers) \
$(addprefix hurd/,fd.h id.h port.h signal.h sigpreempt.h ioctl.h\
userlink.h resource.h lookup.h)
inline-headers = hurd.h $(addprefix hurd/,fd.h signal.h \
userlink.h port.h)
# The RPC interfaces go in a separate library.
interface-library := libhurduser
user-interfaces := $(addprefix hurd/,\
auth startup \
process process_request \
msg msg_reply msg_request \
exec exec_startup crash interrupt \
fs fsys io term tioctl socket ifsock \
login password pfinet \
)
server-interfaces := hurd/msg faultexc
routines = hurdstartup hurdinit \
hurdid hurdpid hurdrlimit hurdprio hurdexec hurdselect \
hurdlookup lookup-retry lookup-at \
get-host set-host \
path-lookup \
setauth \
pid2task task2pid \
geteuids seteuids getumask fchroot \
hurdsock hurdauth \
hurdchdir hurdfchdir \
privports \
msgportdemux \
fopenport \
vpprintf \
ports-get ports-set hurdports hurdmsg \
errno-loc \
hurdlock \
$(sig) $(dtable) $(inlines) port-cleanup report-wait xattr
sig = hurdsig hurdfault siginfo hurd-raise preempt-sig \
trampoline longjmp-ts catch-exc exc2signal hurdkill sigunwind \
thread-self thread-cancel intr-msg catch-signal
dtable = dtable port2fd new-fd alloc-fd intern-fd \
getdport openport \
fd-close fd-read fd-write hurdioctl ctty-input ctty-output
inlines = $(inline-headers:%.h=%-inlines)
# XXX this is a temporary hack; see hurdmalloc.h
routines += hurdmalloc
# Binary compatibility for libc.so.0.2[GLIBC_2.0].
ifeq ($(build-shared),yes)
routines += compat-20
endif
shared-only-routines = compat-20
# For each of the $(inline-headers), generate a trivial source
# file that will #include it to define its inline functions as real functions.
$(inlines:%=$(objpfx)%.c): $(objpfx)%-inlines.c: %.h
(h="`echo $(subst /,_,$*) | tr '[a-z]' '[A-Z]'`"; \
echo "#define _$${h}_H_EXTERN_INLINE /* Define real function. */"; \
echo '#include "$<"') > $@-new
mv -f $@-new $@
generated += $(inlines:=.c)
# Avoid ssp before TLS is initialized.
CFLAGS-hurdstartup.o = $(no-stack-protector)
CFLAGS-RPC_exec_startup_get_info.o = $(no-stack-protector)
# Make generated headers compatible with all support standards
migheaderpipe := | sed -e 's/\<ino64_t\>/__ino64_t/' -e 's/\<loff_t\>/__loff_t/'
include ../mach/Machrules
include ../Rules
# intr-rpc.defs defines the INTR_INTERFACE macro to make the generated RPC
# stubs import <hurd/signal.h> and #define __mach_msg to
# _hurd_intr_rpc_mach_msg.
user-MIGFLAGS += -imacros intr-rpc.defs
# The special exc server for sigthread faults uses a special prefix.
MIGFLAGS-faultexc = -prefix _hurdsig_fault_
# We need this static dependency to get faultexc.h generated the first time.
$(objpfx)hurdfault.o $(objpfx)hurdfault.d: \
$(objpfx)faultexc_server.h $(objpfx)faultexc_server.c