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Server : Apache/2.4.18 (Ubuntu) System : Linux canvaswebdesign 3.13.0-71-generic #114-Ubuntu SMP Tue Dec 1 02:34:22 UTC 2015 x86_64 User : oppastar ( 1041) PHP Version : 7.0.33-0ubuntu0.16.04.15 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, Directory : /usr/src/linux-headers-4.4.0-79-generic/arch/arm/include/asm/ |
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/* * arch/arm/include/asm/mutex.h * * ARM optimized mutex locking primitives * * Please look into asm-generic/mutex-xchg.h for a formal definition. */ #ifndef _ASM_MUTEX_H #define _ASM_MUTEX_H /* * On pre-ARMv6 hardware this results in a swp-based implementation, * which is the most efficient. For ARMv6+, we have exclusive memory * accessors and use atomic_dec to avoid the extra xchg operations * on the locking slowpaths. */ #if __LINUX_ARM_ARCH__ < 6 #include <asm-generic/mutex-xchg.h> #else #include <asm-generic/mutex-dec.h> #endif #endif /* _ASM_MUTEX_H */