sys_arch.h File Reference

OS abstraction layer. More...

Detailed Description

OS abstraction layer.

See also

https://www.nongnu.org/lwip/2_1_x/group__sys__os.html

Author

Martine Lenders mlend.nosp@m.ers@.nosp@m.inf.f.nosp@m.u-be.nosp@m.rlin..nosp@m.de

Definition in file sys_arch.h.

#include <stdbool.h>
#include <stdint.h>
#include "cib.h"
#include "sched.h"
#include "mbox.h"
#include "mutex.h"
#include "random.h"
#include "sema.h"

Include dependency graph for sys_arch.h:

Go to the source code of this file.

Data Structures
struct	sys_mbox_t
	Platform specific mailbox type. More...

Macros
#define	LWIP_COMPAT_MUTEX   (0)
	System configuration.

Typedefs
typedef kernel_pid_t	sys_thread_t
	Platform specific thread type.

Variables
kernel_pid_t	lwip_tcpip_thread
	PID of the lwIP TCP/IP thread.

Critical sections protection definitions
See also https://www.nongnu.org/lwip/2_1_x/group__sys__prot.html
#define	SYS_ARCH_PROTECT(x)   mutex_lock(&x)
#define	SYS_ARCH_UNPROTECT(x)   mutex_unlock(&x)
#define	SYS_ARCH_DECL_PROTECT(x)   mutex_t x = MUTEX_INIT

Semaphores definitions
See also https://www.nongnu.org/lwip/2_1_x/group__sys__sem.html
#define	sys_sem_valid(sem)   (sys_sem_valid(sem))
#define	sys_sem_set_invalid(sem)
typedef sema_t	sys_sem_t
	Platform specific semaphore type.
static bool	sys_sem_valid (sys_sem_t *sem)

Mutexes definitions
See also https://www.nongnu.org/lwip/2_1_x/group__sys__mutex.html
#define	sys_mutex_valid(mutex)   (sys_mutex_valid(mutex))
#define	sys_mutex_set_invalid(mutex)
typedef mutex_t	sys_mutex_t
	Platform specific mutex type.
static bool	sys_mutex_valid (sys_mutex_t *mutex)

Mailboxes OS abstraction layer definitions
See also https://www.nongnu.org/lwip/2_1_x/group__sys__mbox.html
#define	SYS_MBOX_SIZE   (8)
#define	sys_mbox_valid(mbox)   (sys_mbox_valid(mbox))
#define	sys_mbox_set_invalid(mbox)   (sys_mbox_set_invalid(mbox))
static bool	sys_mbox_valid (sys_mbox_t *mbox)
static void	sys_mbox_set_invalid (sys_mbox_t *mbox)

Functions for locking/unlocking core to assure thread safety.
#define	LOCK_TCPIP_CORE()   sys_lock_tcpip_core()
#define	UNLOCK_TCPIP_CORE()   sys_unlock_tcpip_core()
void	sys_lock_tcpip_core (void)
void	sys_unlock_tcpip_core (void)