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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-4.4.0-141/arch/sh/include/asm/ |
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#ifndef __ASM_SH_FUTEX_H
#define __ASM_SH_FUTEX_H
#ifdef __KERNEL__
#include <linux/futex.h>
#include <linux/uaccess.h>
#include <asm/errno.h>
/* XXX: UP variants, fix for SH-4A and SMP.. */
#include <asm/futex-irq.h>
static inline int arch_futex_atomic_op_inuser(int op, u32 oparg, int *oval,
u32 __user *uaddr)
{
int oldval = 0, ret;
pagefault_disable();
switch (op) {
case FUTEX_OP_SET:
ret = atomic_futex_op_xchg_set(oparg, uaddr, &oldval);
break;
case FUTEX_OP_ADD:
ret = atomic_futex_op_xchg_add(oparg, uaddr, &oldval);
break;
case FUTEX_OP_OR:
ret = atomic_futex_op_xchg_or(oparg, uaddr, &oldval);
break;
case FUTEX_OP_ANDN:
ret = atomic_futex_op_xchg_and(~oparg, uaddr, &oldval);
break;
case FUTEX_OP_XOR:
ret = atomic_futex_op_xchg_xor(oparg, uaddr, &oldval);
break;
default:
ret = -ENOSYS;
break;
}
pagefault_enable();
if (!ret)
*oval = oldval;
return ret;
}
static inline int
futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
u32 oldval, u32 newval)
{
if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
return -EFAULT;
return atomic_futex_op_cmpxchg_inatomic(uval, uaddr, oldval, newval);
}
#endif /* __KERNEL__ */
#endif /* __ASM_SH_FUTEX_H */