/* * Copyright 2010 Tilera Corporation. All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation, version 2. * * This program 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, GOOD TITLE or * NON INFRINGEMENT. See the GNU General Public License for * more details. */ #ifndef _ASM_TILE_SPINLOCK_TYPES_H #define _ASM_TILE_SPINLOCK_TYPES_H #ifndef __LINUX_SPINLOCK_TYPES_H # error "please don't include this file directly" #endif #ifdef __tilegx__ /* Low 15 bits are "next"; high 15 bits are "current". */ typedef struct arch_spinlock { unsigned int lock; } arch_spinlock_t; #define __ARCH_SPIN_LOCK_UNLOCKED { 0 } /* High bit is "writer owns"; low 31 bits are a count of readers. */ typedef struct arch_rwlock { unsigned int lock; } arch_rwlock_t; #define __ARCH_RW_LOCK_UNLOCKED { 0 } #else typedef struct arch_spinlock { /* Next ticket number to hand out. */ int next_ticket; /* The ticket number that currently owns this lock. */ int current_ticket; } arch_spinlock_t; #define __ARCH_SPIN_LOCK_UNLOCKED { 0, 0 } /* * Byte 0 for tns (only the low bit is used), byte 1 for ticket-lock "next", * byte 2 for ticket-lock "current", byte 3 for reader count. */ typedef struct arch_rwlock { unsigned int lock; } arch_rwlock_t; #define __ARCH_RW_LOCK_UNLOCKED { 0 } #endif #endif /* _ASM_TILE_SPINLOCK_TYPES_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Metcalf | 92 | 100.00% | 1 | 100.00% |
| Total | 92 | 100.00% | 1 | 100.00% |