atomics.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include <limits.h>
#include <threads.h>
#include <stdatomic.h>

Macros
#define	THREAD_COUNT   20 /* # of threads to spawn */
#define	ITERATION_COUNT   5 /* # of times to iterate over each atomic */
#define	BUFFER_SIZE   4096 /* # of bytes in atomic buffer */
#define	BUFFER_UPDATE_COUNT   100 /* # of times to update atomic buffer */

Functions
static	_Atomic (uint8_t)
static void	atomic_add_buffer (unsigned tid, int delta)
static int	thread (void *arg)
int	main (int arg, char *argv[])

Variables
static atomic_flag	flag_atomic = ATOMIC_FLAG_INIT
static atomic_bool	bool_atomic = false
static atomic_int	int_atomic = INT_MAX
static _Atomic uint64_t	longlong_atomic = 0

Macro Definition Documentation

BUFFER_SIZE

#define BUFFER_SIZE   4096 /* # of bytes in atomic buffer */

BUFFER_UPDATE_COUNT

#define BUFFER_UPDATE_COUNT   100 /* # of times to update atomic buffer */

Referenced by thread().

ITERATION_COUNT

#define ITERATION_COUNT   5 /* # of times to iterate over each atomic */

Referenced by main(), and thread().

THREAD_COUNT

#define THREAD_COUNT   20 /* # of threads to spawn */

Referenced by main().

Function Documentation

_Atomic()

static _Atomic ( uint8_t )

static

Referenced by reentrant_mutex_lock(), and reentrant_mutex_unlock().

atomic_add_buffer()

static void atomic_add_buffer ( unsigned tid, int delta )

static

References printf.

Referenced by thread().

main()

int main	(	int	arg,
		char *	argv[] )

References bool_atomic, flag_atomic, fprintf, int_atomic, ITERATION_COUNT, longlong_atomic, printf, thrd_create(), thrd_error, thrd_join(), thrd_success, thread(), and THREAD_COUNT.

thread()

static int thread ( void * arg )

static

References atomic_add_buffer(), bool_atomic, BUFFER_UPDATE_COUNT, flag_atomic, fprintf, int_atomic, ITERATION_COUNT, longlong_atomic, NULL, printf, thrd_sleep(), and thrd_yield().

Referenced by main(), and test_scoped_lock().

Variable Documentation

bool_atomic

atomic_bool bool_atomic = false

static

Referenced by main(), and thread().

flag_atomic

atomic_flag flag_atomic = ATOMIC_FLAG_INIT

static

Referenced by main(), and thread().

int_atomic

atomic_int int_atomic = INT_MAX

static

Referenced by main(), and thread().

longlong_atomic

_Atomic uint64_t longlong_atomic = 0

static

Referenced by main(), and thread().