/* Copyright (C) 2003, 2004, 2006, 2007 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, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  */#include <sysdep.h>#include <shlib-compat.h>#include <lowlevellock.h>#include <lowlevelcond.h>#include <kernel-features.h>#include <pthread-pi-defines.h>#include <pthread-errnos.h>#include "lowlevel-atomic.h"	.text	/* int pthread_cond_broadcast (pthread_cond_t *cond) */	.globl	__pthread_cond_broadcast	.type	__pthread_cond_broadcast, @function	.align	5__pthread_cond_broadcast:	mov.l   r10, @-r15	mov.l   r9, @-r15	mov.l	r8, @-r15	sts.l	pr, @-r15	mov	r4, r8	/* Get internal lock.  */	mov	#0, r3	mov	#1, r4#if cond_lock != 0	CMPXCHG (r3, @(cond_lock,r8), r4, r2)#else	CMPXCHG (r3, @r8, r4, r2)#endif	bf	1f2:	mov.l	@(total_seq+4,r8),r0	mov.l	@(total_seq,r8),r1	mov.l	@(wakeup_seq+4,r8), r2	cmp/hi	r2, r0	bt	3f	cmp/hi	r0, r2	bt	4f	mov.l	@(wakeup_seq,r8), r2	cmp/hi	r2, r1	bf	4f3:	/* Cause all currently waiting threads to recognize they are	   woken up.  */	mov.l	r1, @(wakeup_seq,r8)	mov.l	r0, @(wakeup_seq+4,r8)	mov.l	r1, @(woken_seq,r8)	mov.l	r0, @(woken_seq+4,r8)	mov.l	@(broadcast_seq,r8), r2	add	#1, r2	mov.l	r2, @(broadcast_seq,r8)	add	r1, r1	mov	r1, r10	mov.l	r10, @(cond_futex,r8)	/* Get the address of the mutex used.  */	mov.l	@(dep_mutex,r8), r9	/* Unlock.  */#if cond_lock != 0	DEC (@(cond_lock,r8), r2)#else	DEC (@r8, r2)#endif	tst	r2, r2	bf	7f8:	/* Don't use requeue for pshared condvars.  */	mov	#-1, r0	cmp/eq	r0, r9	mov	r8, r4	bt/s	9f	 add	#cond_futex, r4	/* XXX: The kernel only supports FUTEX_CMP_REQUEUE to the same	   type of futex (private resp. shared).  */	mov.l	@(MUTEX_KIND,r9), r0	tst	#(PI_BIT|PS_BIT), r0	bf	9f	/* Wake up all threads.  */#ifdef __ASSUME_PRIVATE_FUTEX	mov	#(FUTEX_CMP_REQUEUE|FUTEX_PRIVATE_FLAG), r5	extu.b	r5, r5#else	stc	gbr, r1	mov.w	.Lpfoff, r2	add	r2, r1	mov.l	@r1, r5	mov	#FUTEX_CMP_REQUEUE, r0	or	r0, r5#endif	mov	#1, r6	mov	#-1, r7	shlr	r7		/* r7 = 0x7fffffff */	mov	r9, r0# if MUTEX_FUTEX != 0	add	#MUTEX_FUTEX, r0# endif	mov	r10, r1	mov	#SYS_futex, r3	extu.b	r3, r3	trapa	#0x16	SYSCALL_INST_PAD	/* For any kind of error, which mainly is EAGAIN, we try again	   with WAKE.  The general test also covers running on old	   kernels.  */	mov	r0, r1	mov	#-12, r2	shad	r2, r1	not	r1, r1	tst	r1, r1	mov	r8, r4	bt/s	9f	 add	#cond_futex, r410:	mov	#0, r0	lds.l	@r15+, pr	mov.l	@r15+, r8	mov.l	@r15+, r9	rts	 mov.l	@r15+, r104:	/* Unlock.  */#if cond_lock != 0	DEC (@(cond_lock,r8), r2)#else	DEC (@r8, r2)#endif	tst	r2, r2	bf	5f6:	mov	#0, r0	lds.l	@r15+, pr	mov.l	@r15+, r8	mov.l	@r15+, r9	rts	 mov.l	@r15+, r101:	/* Initial locking failed.  */	mov	r8, r5#if cond_lock != 0	add	#cond_lock, r5#endif	mov.l	@(dep_mutex,r8), r0	cmp/eq	#-1, r0	bf/s	99f	 mov	#LLL_PRIVATE, r6	mov	#LLL_SHARED, r699:		extu.b	r6, r6	mov.l	.Lwait5, r1	bsrf	r1	 mov	r2, r4.Lwait5b:	bra	2b	 nop5:	/* Unlock in loop requires wakeup.  */	mov	r8, r4#if cond_lock != 0	add	#cond_lock, r4#endif	mov.l	@(dep_mutex,r8), r0	cmp/eq	#-1, r0	bf/s	99f	 mov	#LLL_PRIVATE, r5	mov	#LLL_SHARED, r599:		mov.l	.Lwake5, r1	bsrf	r1	 extu.b	r5, r5.Lwake5b:	bra	6b	 nop7:	/* Unlock in loop requires wakeup.  */	mov	r8, r4#if cond_lock != 0	add	#cond_lock, r4#endif	mov	#-1, r0	cmp/eq	r0, r9	bf/s	99f	 mov	#LLL_PRIVATE, r5	mov	#LLL_SHARED, r599:		mov.l	.Lwake6, r1	bsrf	r1	 extu.b	r5, r5.Lwake6b:	bra	8b	 nop9:	mov	#-1, r0	cmp/eq	r0, r9	bt/s	99f	 mov	#FUTEX_WAKE, r5#ifdef __ASSUME_PRIVATE_FUTEX	mov	#(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), r5	extu.b	r5, r5#else	stc	gbr, r1	mov.w	.Lpfoff, r2	add	r2, r1	mov.l	@r1, r5	mov	#FUTEX_WAKE, r0	or	r0, r5#endif99:		mov	#-1, r6	shlr	r6		/* r6 = 0x7fffffff */	mov	#0, r7	mov	#SYS_futex, r3	extu.b	r3, r3	trapa	#0x14	SYSCALL_INST_PAD	bra	10b	 nop#ifndef __ASSUME_PRIVATE_FUTEX.Lpfoff:	.word	PRIVATE_FUTEX - TLS_PRE_TCB_SIZE#endif	.align	2.Lwait5:	.long	__lll_lock_wait-.Lwait5b.Lwake5:	.long	__lll_unlock_wake-.Lwake5b.Lwake6:	.long	__lll_unlock_wake-.Lwake6b	.size	__pthread_cond_broadcast, .-__pthread_cond_broadcastversioned_symbol (libpthread, __pthread_cond_broadcast, pthread_cond_broadcast,		  GLIBC_2_3_2)