13a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount/**************************************************************************** 23a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount **************************************************************************** 33a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount *** 43a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount *** This header was automatically generated from a Linux kernel header 53a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount *** of the same name, to make information necessary for userspace to 63a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount *** call into the kernel available to libc. It contains only constants, 73a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount *** structures, and macros generated from the original header, and thus, 83a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount *** contains no copyrightable information. 93a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount *** 103a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount **************************************************************************** 113a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount ****************************************************************************/ 123a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#ifndef __LINUX_SEQLOCK_H 133a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#define __LINUX_SEQLOCK_H 143a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount 153a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#include <linux/spinlock.h> 163a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#include <linux/preempt.h> 173a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount 183a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccounttypedef struct { 193a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount unsigned sequence; 203a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount spinlock_t lock; 213a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount} seqlock_t; 223a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount 233a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#define __SEQLOCK_UNLOCKED(lockname) { 0, __SPIN_LOCK_UNLOCKED(lockname) } 243a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount 253a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#define SEQLOCK_UNLOCKED __SEQLOCK_UNLOCKED(old_style_seqlock_init) 263a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount 273a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#define seqlock_init(x) do { *(x) = (seqlock_t) __SEQLOCK_UNLOCKED(x); } while (0) 283a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount 293a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#define DEFINE_SEQLOCK(x) seqlock_t x = __SEQLOCK_UNLOCKED(x) 303a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount 313a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#define SEQCNT_ZERO { 0 } 323a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#define seqcount_init(x) do { *(x) = (seqcount_t) SEQCNT_ZERO; } while (0) 333a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount 343a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#define write_seqlock_irqsave(lock, flags) do { local_irq_save(flags); write_seqlock(lock); } while (0) 353a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#define write_seqlock_irq(lock) do { local_irq_disable(); write_seqlock(lock); } while (0) 363a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#define write_seqlock_bh(lock) do { local_bh_disable(); write_seqlock(lock); } while (0) 373a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#define write_sequnlock_irqrestore(lock, flags) do { write_sequnlock(lock); local_irq_restore(flags); } while(0) 383a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#define write_sequnlock_irq(lock) do { write_sequnlock(lock); local_irq_enable(); } while(0) 393a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#define write_sequnlock_bh(lock) do { write_sequnlock(lock); local_bh_enable(); } while(0) 403a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#define read_seqbegin_irqsave(lock, flags) ({ local_irq_save(flags); read_seqbegin(lock); }) 413a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#define read_seqretry_irqrestore(lock, iv, flags) ({ int ret = read_seqretry(lock, iv); local_irq_restore(flags); ret; }) 423a5dffc441568676ce19c6d3154a8c8a17afa323android-build SharedAccount#endif 43