spinlock.h File Reference

Go to the source code of this file.

Macros
#define	SPIN_UNLOCK(_spin_)   (_spin_) = 0
#define	SPIN_LOCK(_spin_)

Typedefs
typedef unsigned int	pok_spinlock_t

---

Macro Definition Documentation

#define SPIN_LOCK

(

_spin_

)

Value:

do {                                                          \
    unsigned int val;                                           \
    asm volatile ("\n"                                          \
                  "1:\n\t"                                      \
                  "lwarx    %0,0,%1       \n\t"                 \
                  "cmpwi    %0,0          \n\t"                 \
                  "bne      1b            \n\t"                 \
                  "stwcx.   %2,0,%1       \n\t"                 \
                  "bne      1b            \n\t"                 \
                  : "=&r"(val) : "r" (&_spin_), "r"(1));         \
  } while (0)

Definition at line 26 of file spinlock.h.

#define SPIN_UNLOCK

(

_spin_

)

(_spin_) = 0

Definition at line 23 of file spinlock.h.

---

Typedef Documentation

typedef unsigned int pok_spinlock_t

Definition at line 21 of file spinlock.h.