Motr  M0
Data Structures | Macros | Functions
user_x86_64_atomic.h File Reference
#include "lib/types.h"
#include "lib/assert.h"
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Data Structures

struct  m0_atomic64
 

Macros

#define __MOTR_LIB_USER_X86_64_ATOMIC_H__
 

Functions

static void m0_atomic64_set (struct m0_atomic64 *a, int64_t num)
 
static int64_t m0_atomic64_get (const struct m0_atomic64 *a)
 
static void m0_atomic64_inc (struct m0_atomic64 *a)
 
static void m0_atomic64_dec (struct m0_atomic64 *a)
 
static void m0_atomic64_add (struct m0_atomic64 *a, int64_t num)
 
static void m0_atomic64_sub (struct m0_atomic64 *a, int64_t num)
 
static int64_t m0_atomic64_add_return (struct m0_atomic64 *a, int64_t delta)
 
static int64_t m0_atomic64_sub_return (struct m0_atomic64 *a, int64_t delta)
 
static bool m0_atomic64_inc_and_test (struct m0_atomic64 *a)
 
static bool m0_atomic64_dec_and_test (struct m0_atomic64 *a)
 
static bool m0_atomic64_cas (int64_t *loc, int64_t oldval, int64_t newval)
 
static void m0_mb (void)
 

Macro Definition Documentation

◆ __MOTR_LIB_USER_X86_64_ATOMIC_H__

#define __MOTR_LIB_USER_X86_64_ATOMIC_H__

Definition at line 26 of file user_x86_64_atomic.h.

Function Documentation

◆ m0_atomic64_add()

static void m0_atomic64_add ( struct m0_atomic64 *  a,
int64_t  num 
)
inlinestatic

Atomically adds given amount to a counter

Definition at line 90 of file user_x86_64_atomic.h.

◆ m0_atomic64_add_return()

static int64_t m0_atomic64_add_return ( struct m0_atomic64 *  a,
int64_t  delta 
)
inlinestatic

atomically increment counter and return result

Parameters
apointer to atomic counter
Returns
new value of atomic counter

Definition at line 115 of file user_x86_64_atomic.h.

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◆ m0_atomic64_cas()

static bool m0_atomic64_cas ( int64_t *  loc,
int64_t  oldval,
int64_t  newval 
)
inlinestatic

Definition at line 160 of file user_x86_64_atomic.h.

◆ m0_atomic64_dec()

static void m0_atomic64_dec ( struct m0_atomic64 *  a)
inlinestatic

atomically decrement counter

Parameters
apointer to atomic counter
Returns
none

Definition at line 80 of file user_x86_64_atomic.h.

◆ m0_atomic64_dec_and_test()

static bool m0_atomic64_dec_and_test ( struct m0_atomic64 *  a)
inlinestatic

Definition at line 150 of file user_x86_64_atomic.h.

◆ m0_atomic64_get()

static int64_t m0_atomic64_get ( const struct m0_atomic64 *  a)
inlinestatic

Returns value of an atomic counter.

Definition at line 54 of file user_x86_64_atomic.h.

◆ m0_atomic64_inc()

static void m0_atomic64_inc ( struct m0_atomic64 *  a)
inlinestatic

atomically increment counter

Parameters
apointer to atomic counter
Returns
none

Definition at line 66 of file user_x86_64_atomic.h.

◆ m0_atomic64_inc_and_test()

static bool m0_atomic64_inc_and_test ( struct m0_atomic64 *  a)
inlinestatic

Definition at line 140 of file user_x86_64_atomic.h.

◆ m0_atomic64_set()

static void m0_atomic64_set ( struct m0_atomic64 *  a,
int64_t  num 
)
inlinestatic

Definition at line 44 of file user_x86_64_atomic.h.

◆ m0_atomic64_sub()

static void m0_atomic64_sub ( struct m0_atomic64 *  a,
int64_t  num 
)
inlinestatic

Atomically subtracts given amount from a counter

Definition at line 100 of file user_x86_64_atomic.h.

◆ m0_atomic64_sub_return()

static int64_t m0_atomic64_sub_return ( struct m0_atomic64 *  a,
int64_t  delta 
)
inlinestatic

atomically decrement counter and return result

Parameters
apointer to atomic counter
Returns
new value of atomic counter

Definition at line 134 of file user_x86_64_atomic.h.

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◆ m0_mb()

static void m0_mb ( void  )
inlinestatic

Definition at line 173 of file user_x86_64_atomic.h.