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libc/pthread: Implement pthread_rwlockattr API

Browse Source 
https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlockattr_getpshared.html

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao
2023-01-20 22:06:45 +08:00
committed by Gustavo Henrique Nihei
parent 679544cd32
commit 36b74bab02
7 changed files with 351 additions and 27 deletions
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include/pthread.h
+51 -19
View File
@@ -199,12 +199,12 @@ extern "C"
#ifndef __PTHREAD_KEY_T_DEFINED
typedef int pthread_key_t;
#define __PTHREAD_KEY_T_DEFINED 1
# define __PTHREAD_KEY_T_DEFINED 1
#endif
#ifndef __PTHREAD_ADDR_T_DEFINED
typedef FAR void *pthread_addr_t;
#define __PTHREAD_ADDR_T_DEFINED 1
# define __PTHREAD_ADDR_T_DEFINED 1
#endif
typedef CODE pthread_addr_t (*pthread_startroutine_t)(pthread_addr_t);
@@ -238,12 +238,12 @@ struct pthread_attr_s
#ifndef __PTHREAD_ATTR_T_DEFINED
typedef struct pthread_attr_s pthread_attr_t;
#define __PTHREAD_ATTR_T_DEFINED 1
# define __PTHREAD_ATTR_T_DEFINED 1
#endif
#ifndef __PTHREAD_T_DEFINED
typedef pid_t pthread_t;
#define __PTHREAD_T_DEFINED 1
# define __PTHREAD_T_DEFINED 1
#endif
struct pthread_condattr_s
@@ -253,7 +253,7 @@ struct pthread_condattr_s
#ifndef __PTHREAD_CONDATTR_T_DEFINED
typedef struct pthread_condattr_s pthread_condattr_t;
#define __PTHREAD_CONDATTR_T_DEFINED 1
# define __PTHREAD_CONDATTR_T_DEFINED 1
#endif
struct pthread_cond_s
@@ -264,7 +264,7 @@ struct pthread_cond_s
#ifndef __PTHREAD_COND_T_DEFINED
typedef struct pthread_cond_s pthread_cond_t;
#define __PTHREAD_COND_T_DEFINED 1
# define __PTHREAD_COND_T_DEFINED 1
#endif
#define PTHREAD_COND_INITIALIZER {SEM_INITIALIZER(0), CLOCK_REALTIME }
@@ -285,7 +285,7 @@ struct pthread_mutexattr_s
#ifndef __PTHREAD_MUTEXATTR_T_DEFINED
typedef struct pthread_mutexattr_s pthread_mutexattr_t;
#define __PTHREAD_MUTEXATTR_T_DEFINED 1
# define __PTHREAD_MUTEXATTR_T_DEFINED 1
#endif
struct pthread_mutex_s
@@ -311,7 +311,7 @@ struct pthread_mutex_s
#ifndef __PTHREAD_MUTEX_T_DEFINED
typedef struct pthread_mutex_s pthread_mutex_t;
#define __PTHREAD_MUTEX_T_DEFINED 1
# define __PTHREAD_MUTEX_T_DEFINED 1
#endif
#ifndef CONFIG_PTHREAD_MUTEX_UNSAFE
@@ -350,7 +350,7 @@ struct pthread_barrierattr_s
#ifndef __PTHREAD_BARRIERATTR_T_DEFINED
typedef struct pthread_barrierattr_s pthread_barrierattr_t;
#define __PTHREAD_BARRIERATTR_T_DEFINED 1
# define __PTHREAD_BARRIERATTR_T_DEFINED 1
#endif
struct pthread_barrier_s
@@ -361,12 +361,22 @@ struct pthread_barrier_s
#ifndef __PTHREAD_BARRIER_T_DEFINED
typedef struct pthread_barrier_s pthread_barrier_t;
#define __PTHREAD_BARRIER_T_DEFINED 1
# define __PTHREAD_BARRIER_T_DEFINED 1
#endif
#ifndef __PTHREAD_ONCE_T_DEFINED
typedef bool pthread_once_t;
#define __PTHREAD_ONCE_T_DEFINED 1
# define __PTHREAD_ONCE_T_DEFINED 1
#endif
struct pthread_rwlockattr_s
{
int pshared;
};
#ifndef __PTHREAD_RWLOCKATTR_T_DEFINED
typedef struct pthread_rwlockattr_s pthread_rwlockattr_t;
# define __PTHREAD_RWLOCKATTR_T_DEFINED 1
#endif
struct pthread_rwlock_s
@@ -378,9 +388,10 @@ struct pthread_rwlock_s
bool write_in_progress;
};
#ifndef __PTHREAD_RWLOCK_T_DEFINED
typedef struct pthread_rwlock_s pthread_rwlock_t;
typedef int pthread_rwlockattr_t;
# define __PTHREAD_RWLOCK_T_DEFINED 1
#endif
#define PTHREAD_RWLOCK_INITIALIZER {PTHREAD_MUTEX_INITIALIZER, \
PTHREAD_COND_INITIALIZER, \
@@ -396,12 +407,12 @@ struct pthread_spinlock_s
* SP_UNLOCKED. */
pthread_t sp_holder; /* ID of the thread that holds the spinlock */
};
#ifndef __PTHREAD_SPINLOCK_T_DEFINED
# ifndef __PTHREAD_SPINLOCK_T_DEFINED
/* It is referenced via this standard type */
typedef FAR struct pthread_spinlock_s pthread_spinlock_t;
#define __PTHREAD_SPINLOCK_T_DEFINED 1
#endif
# define __PTHREAD_SPINLOCK_T_DEFINED 1
# endif
#endif /* CONFIG_PTHREAD_SPINLOCKS */
#ifdef CONFIG_PTHREAD_CLEANUP
@@ -651,6 +662,15 @@ int pthread_barrier_wait(FAR pthread_barrier_t *barrier);
int pthread_once(FAR pthread_once_t *once_control,
CODE void (*init_routine)(void));
/* Pthread rwlock attributes */
int pthread_rwlockattr_init(FAR pthread_rwlockattr_t *attr);
int pthread_rwlockattr_destroy(FAR pthread_rwlockattr_t *attr);
int pthread_rwlockattr_getpshared(FAR const pthread_rwlockattr_t *attr,
FAR int *pshared);
int pthread_rwlockattr_setpshared(FAR pthread_rwlockattr_t *attr,
int pshared);
/* Pthread rwlock */
int pthread_rwlock_destroy(FAR pthread_rwlock_t *rw_lock);
@@ -772,12 +792,24 @@ typedef struct pthread_barrier_s pthread_barrier_t;
# define __PTHREAD_BARRIER_T_DEFINED 1
#endif
#ifndef __PTHREAD_RWLOCKATTR_T_DEFINED
struct pthread_rwlockattr_s;
typedef struct pthread_rwlockattr_s pthread_rwlockattr_t;
# define __PTHREAD_RWLOCKATTR_T_DEFINED 1
#endif
#ifndef __PTHREAD_RWLOCK_T_DEFINED
struct pthread_rwlock_s;
typedef struct pthread_rwlock_s pthread_rwlock_t;
# define __PTHREAD_RWLOCK_T_DEFINED 1
#endif
#ifdef CONFIG_PTHREAD_SPINLOCKS
#ifndef __PTHREAD_SPINLOCK_T_DEFINED
# ifndef __PTHREAD_SPINLOCK_T_DEFINED
struct pthread_spinlock_s;
typedef FAR struct pthread_spinlock_s pthread_spinlock_t;
#define __PTHREAD_SPINLOCK_T_DEFINED 1
#endif
# define __PTHREAD_SPINLOCK_T_DEFINED 1
# endif
#endif /* CONFIG_PTHREAD_SPINLOCKS */
#ifndef __PTHREAD_ONCE_T_DEFINED