?? sem_post.s
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/* Copyright (C) 2003, 2004, 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 <pthread-errnos.h>#include <structsem.h>#include <lowlevellock.h>#include "lowlevel-atomic.h" .text .globl __new_sem_post .type __new_sem_post,@function .align 5__new_sem_post: mov #1, r3 XADD (r3, @(VALUE,r4), r2) mov.l @(NWAITERS,r4), r2 tst r2, r2 bt 2f mov #FUTEX_WAKE, r5 mov.l @(PRIVATE,r4), r1 or r1, r5 mov #1, r6 mov #0, r7 mov #SYS_futex, r3 extu.b r3, r3 trapa #0x14 SYSCALL_INST_PAD cmp/pz r0 bf 1f2: rts mov #0, r01: mov #EINVAL, r2 mova .Lgot3, r0 mov.l .Lgot3, r12 add r0, r12#if USE___THREAD mov.l .Lerrno3, r0 stc gbr, r1 mov.l @(r0, r12), r0 bra .Lexit add r1, r0 .align 2.Lerrno3: .long errno@GOTTPOFF.Lexit:#else mov.l .Lerrloc3, r1 bsrf r1 nop.Lerrloc3b:#endif mov.l r2, @r0 lds.l @r15+, pr mov.l @r15+, r12 rts mov #-1, r0 .align 2.Lgot3: .long _GLOBAL_OFFSET_TABLE_#if !USE___THREAD.Lerrloc3: .long __errno_location@PLT-(.Lerrloc3b-.)#endif .size __new_sem_post,.-__new_sem_post versioned_symbol(libpthread, __new_sem_post, sem_post, GLIBC_2_1)
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