Revert "add holder for mutex"

This reverts commit fc176addeb.
This commit is contained in:
Masayuki Ishikawa
2023-01-18 22:10:06 +09:00
parent 5920a8b673
commit dc454765fb
13 changed files with 153 additions and 504 deletions
+8 -8
View File
@@ -174,13 +174,13 @@ void _raise_r(struct _reent *r)
void _lock_init(_lock_t *lock)
{
nxmutex_init(&g_nxlock_common);
nxsem_get_value(&g_nxlock_common.sem, lock);
nxsem_get_value(&g_nxlock_common, lock);
}
void _lock_init_recursive(_lock_t *lock)
{
nxmutex_init(&g_nxlock_recursive);
nxsem_get_value(&g_nxlock_recursive.sem, lock);
nxsem_get_value(&g_nxlock_recursive, lock);
}
void _lock_close(_lock_t *lock)
@@ -198,39 +198,39 @@ void _lock_close_recursive(_lock_t *lock)
void _lock_acquire(_lock_t *lock)
{
nxmutex_lock(&g_nxlock_common);
nxsem_get_value(&g_nxlock_common.sem, lock);
nxsem_get_value(&g_nxlock_common, lock);
}
void _lock_acquire_recursive(_lock_t *lock)
{
nxmutex_lock(&g_nxlock_recursive);
nxsem_get_value(&g_nxlock_recursive.sem, lock);
nxsem_get_value(&g_nxlock_recursive, lock);
}
int _lock_try_acquire(_lock_t *lock)
{
nxmutex_trylock(&g_nxlock_common);
nxsem_get_value(&g_nxlock_common.sem, lock);
nxsem_get_value(&g_nxlock_common, lock);
return 0;
}
int _lock_try_acquire_recursive(_lock_t *lock)
{
nxmutex_trylock(&g_nxlock_recursive);
nxsem_get_value(&g_nxlock_recursive.sem, lock);
nxsem_get_value(&g_nxlock_recursive, lock);
return 0;
}
void _lock_release(_lock_t *lock)
{
nxmutex_unlock(&g_nxlock_common);
nxsem_get_value(&g_nxlock_common.sem, lock);
nxsem_get_value(&g_nxlock_common, lock);
}
void _lock_release_recursive(_lock_t *lock)
{
nxmutex_unlock(&g_nxlock_recursive);
nxsem_get_value(&g_nxlock_recursive.sem, lock);
nxsem_get_value(&g_nxlock_recursive, lock);
}
struct _reent *__getreent(void)
+19 -19
View File
@@ -1028,12 +1028,12 @@ static int alt1250_open(FAR struct file *filep)
if (ret == OK)
{
nxmutex_init(&dev->waitlist.lock);
nxmutex_init(&dev->replylist.lock);
nxmutex_init(&dev->evtmaplock);
nxmutex_init(&dev->pfdlock);
nxmutex_init(&dev->senddisablelock);
nxmutex_init(&dev->select_inst.stat_lock);
nxsem_init(&dev->waitlist.lock, 0, 1);
nxsem_init(&dev->replylist.lock, 0, 1);
nxsem_init(&dev->evtmaplock, 0, 1);
nxsem_init(&dev->pfdlock, 0, 1);
nxsem_init(&dev->senddisablelock, 0, 1);
nxsem_init(&dev->select_inst.stat_lock, 0, 1);
sq_init(&dev->waitlist.queue);
sq_init(&dev->replylist.queue);
@@ -1048,12 +1048,12 @@ static int alt1250_open(FAR struct file *filep)
m_err("thread create failed: %d\n", errno);
ret = -errno;
nxmutex_destroy(&dev->waitlist.lock);
nxmutex_destroy(&dev->replylist.lock);
nxmutex_destroy(&dev->evtmaplock);
nxmutex_destroy(&dev->pfdlock);
nxmutex_destroy(&dev->senddisablelock);
nxmutex_destroy(&dev->select_inst.stat_lock);
nxsem_destroy(&dev->waitlist.lock);
nxsem_destroy(&dev->replylist.lock);
nxsem_destroy(&dev->evtmaplock);
nxsem_destroy(&dev->pfdlock);
nxsem_destroy(&dev->senddisablelock);
nxsem_destroy(&dev->select_inst.stat_lock);
nxmutex_lock(&dev->refslock);
dev->crefs--;
@@ -1103,12 +1103,12 @@ static int alt1250_close(FAR struct file *filep)
if (ret == OK)
{
nxmutex_destroy(&dev->waitlist.lock);
nxmutex_destroy(&dev->replylist.lock);
nxmutex_destroy(&dev->evtmaplock);
nxmutex_destroy(&dev->pfdlock);
nxmutex_destroy(&dev->senddisablelock);
nxmutex_destroy(&dev->select_inst.stat_lock);
nxsem_destroy(&dev->waitlist.lock);
nxsem_destroy(&dev->replylist.lock);
nxsem_destroy(&dev->evtmaplock);
nxsem_destroy(&dev->pfdlock);
nxsem_destroy(&dev->senddisablelock);
nxsem_destroy(&dev->select_inst.stat_lock);
altmdm_fin();
pthread_join(dev->recvthread, NULL);
@@ -1286,7 +1286,7 @@ FAR void *alt1250_register(FAR const char *devpath,
priv->spi = dev;
priv->lower = lower;
nxmutex_init(&priv->refslock);
nxsem_init(&priv->refslock, 0, 1);
ret = register_driver(devpath, &g_alt1250fops, 0666, priv);
if (ret < 0)
+1 -1
View File
@@ -510,7 +510,7 @@ int usrsock_request(FAR struct iovec *iov, unsigned int iovcnt)
/* Set outstanding request for daemon to handle. */
net_mutex_lock(&dev->devlock);
net_sem_wait_uninterruptible(&dev->devlock);
if (usrsockdev_is_opened(dev))
{
+6 -7
View File
@@ -29,7 +29,6 @@
#include <nuttx/fs/ioctl.h>
#include <nuttx/spi/spi.h>
#include <nuttx/queue.h>
#include <nuttx/mutex.h>
#include <semaphore.h>
#include <debug.h>
#include <nuttx/irq.h>
@@ -286,7 +285,7 @@ typedef struct alt_evtbuf_inst_s
uint16_t altcid;
FAR void **outparam;
size_t outparamlen;
mutex_t stat_lock;
sem_t stat_lock;
alt_evtbuf_state_t stat;
} alt_evtbuf_inst_t;
@@ -324,25 +323,25 @@ typedef struct altcom_fd_set_s altcom_fd_set;
struct alt_queue_s
{
sq_queue_t queue;
mutex_t lock;
sem_t lock;
};
struct alt1250_dev_s
{
FAR struct spi_dev_s *spi;
FAR const struct alt1250_lower_s *lower;
mutex_t refslock;
sem_t refslock;
uint8_t crefs;
struct alt_queue_s waitlist;
struct alt_queue_s replylist;
uint64_t evtbitmap;
mutex_t evtmaplock;
mutex_t pfdlock;
sem_t evtmaplock;
sem_t pfdlock;
FAR struct pollfd *pfd;
pthread_t recvthread;
FAR struct alt_evtbuffer_s *evtbuff;
uint32_t discardcnt;
mutex_t senddisablelock;
sem_t senddisablelock;
bool senddisable;
FAR alt_container_t *select_container;
struct alt_evtbuf_inst_s select_inst;
+95 -312
View File
File diff suppressed because it is too large Load Diff
-47
View File
@@ -35,7 +35,6 @@
#include <semaphore.h>
#include <nuttx/queue.h>
#include <nuttx/mutex.h>
#ifdef CONFIG_MM_IOB
# include <nuttx/mm/iob.h>
#endif
@@ -393,30 +392,6 @@ void net_unlock(void);
int net_sem_timedwait(sem_t *sem, unsigned int timeout);
/****************************************************************************
* Name: net_mutex_timedlock
*
* Description:
* Atomically wait for mutex (or a timeout) while temporarily releasing
* the lock on the network.
*
* Caution should be utilized. Because the network lock is relinquished
* during the wait, there could be changes in the network state that occur
* before the lock is recovered. Your design should account for this
* possibility.
*
* Input Parameters:
* mutex - A reference to the mutex to be taken.
* timeout - The relative time to wait until a timeout is declared.
*
* Returned Value:
* Zero (OK) is returned on success; a negated errno value is returned on
* any failure.
*
****************************************************************************/
int net_mutex_timedlock(mutex_t *mutex, unsigned int timeout);
/****************************************************************************
* Name: net_sem_wait
*
@@ -439,28 +414,6 @@ int net_mutex_timedlock(mutex_t *mutex, unsigned int timeout);
int net_sem_wait(sem_t *sem);
/****************************************************************************
* Name: net_mutex_lock
*
* Description:
* Atomically wait for mutex while temporarily releasing the network lock.
*
* Caution should be utilized. Because the network lock is relinquished
* during the wait, there could be changes in the network state that occur
* before the lock is recovered. Your design should account for this
* possibility.
*
* Input Parameters:
* mutex - A reference to the mutex to be taken.
*
* Returned Value:
* Zero (OK) is returned on success; a negated errno value is returned on
* any failure.
*
****************************************************************************/
int net_mutex_lock(mutex_t *mutex);
/****************************************************************************
* Name: net_sem_timedwait_uninterruptible
*
+6 -6
View File
@@ -40,21 +40,21 @@
#ifdef CONFIG_PRIORITY_INHERITANCE
# if CONFIG_SEM_PREALLOCHOLDERS > 0
/* semcount, flags, waitlist, hhead */
/* semcount, waitlist, flags, hhead */
# define NXSEM_INITIALIZER(c, f) \
{(c), (f), SEM_WAITLIST_INITIALIZER, NULL}
{(c), SEM_WAITLIST_INITIALIZER, (f), NULL}
# else
/* semcount, flags, waitlist, holder[2] */
/* semcount, waitlist, flags, holder[2] */
# define NXSEM_INITIALIZER(c, f) \
{(c), (f), SEM_WAITLIST_INITIALIZER, {SEMHOLDER_INITIALIZER, SEMHOLDER_INITIALIZER}}
{(c), SEM_WAITLIST_INITIALIZER, (f), {SEMHOLDER_INITIALIZER, SEMHOLDER_INITIALIZER}}
# endif
#else /* CONFIG_PRIORITY_INHERITANCE */
/* semcount, flags, waitlist */
/* semcount, waitlist */
# define NXSEM_INITIALIZER(c, f) \
{(c), (f), SEM_WAITLIST_INITIALIZER}
{(c), SEM_WAITLIST_INITIALIZER}
#endif /* CONFIG_PRIORITY_INHERITANCE */
/* Most internal nxsem_* interfaces are not available in the user space in
+9 -11
View File
@@ -42,7 +42,6 @@
#define SEM_PRIO_INHERIT 1
#define SEM_PRIO_PROTECT 2
#define SEM_PRIO_MASK 3
#define SEM_PRIO_MUTEX 4
/* Value returned by sem_open() in the event of a failure. */
@@ -100,15 +99,14 @@ struct sem_s
volatile int16_t semcount; /* >0 -> Num counts available */
/* <0 -> Num tasks waiting for semaphore */
dq_queue_t waitlist;
/* If priority inheritance is enabled, then we have to keep track of which
* tasks hold references to the semaphore.
*/
uint8_t flags; /* See SEM_PRIO_* definitions */
dq_queue_t waitlist;
#ifdef CONFIG_PRIORITY_INHERITANCE
uint8_t flags; /* See PRIOINHERIT_FLAGS_* definitions */
# if CONFIG_SEM_PREALLOCHOLDERS > 0
FAR struct semholder_s *hhead; /* List of holders of semaphore counts */
# else
@@ -123,21 +121,21 @@ typedef struct sem_s sem_t;
#ifdef CONFIG_PRIORITY_INHERITANCE
# if CONFIG_SEM_PREALLOCHOLDERS > 0
/* semcount, flags, waitlist, hhead */
/* semcount, waitlist, flags, hhead */
# define SEM_INITIALIZER(c) \
{(c), 0, SEM_WAITLIST_INITIALIZER, NULL}
{(c), SEM_WAITLIST_INITIALIZER, 0, NULL}
# else
/* semcount, flags, waitlist, holder[2] */
/* semcount, waitlist, flags, holder[2] */
# define SEM_INITIALIZER(c) \
{(c), 0, SEM_WAITLIST_INITIALIZER, {SEMHOLDER_INITIALIZER, SEMHOLDER_INITIALIZER}}
{(c), SEM_WAITLIST_INITIALIZER, 0, {SEMHOLDER_INITIALIZER, SEMHOLDER_INITIALIZER}}
# endif
#else
/* semcount, flags, waitlist */
/* semcount, waitlist */
# define SEM_INITIALIZER(c) \
{(c), 0, SEM_WAITLIST_INITIALIZER}
{(c), SEM_WAITLIST_INITIALIZER}
#endif
# define SEM_WAITLIST(sem) (&((sem)->waitlist))
+5
View File
@@ -54,6 +54,11 @@ int sem_getprotocol(FAR sem_t *sem, FAR int *protocol)
{
DEBUGASSERT(sem != NULL && protocol != NULL);
#ifdef CONFIG_PRIORITY_INHERITANCE
*protocol = sem->flags;
#else
*protocol = SEM_PRIO_NONE;
#endif
return OK;
}
+1 -2
View File
@@ -76,9 +76,8 @@ int nxsem_init(FAR sem_t *sem, int pshared, unsigned int value)
/* Initialize to support priority inheritance */
sem->flags = 0;
#ifdef CONFIG_PRIORITY_INHERITANCE
sem->flags = 0;
# if CONFIG_SEM_PREALLOCHOLDERS > 0
sem->hhead = NULL;
# else
+1 -1
View File
@@ -191,7 +191,7 @@ static void work_process(FAR struct usr_wqueue_s *wqueue)
{
/* Wait indefinitely until work_queue has new items */
_SEM_WAIT(&wqueue->wake);
nxmutex_lock(&wqueue->wake);
}
else
{
+2 -2
View File
@@ -641,7 +641,7 @@ int usrsock_do_request(FAR struct usrsock_conn_s *conn,
/* Set outstanding request for daemon to handle. */
net_mutex_lock(&req->lock);
net_sem_wait_uninterruptible(&req->lock);
if (++req->newxid == 0)
{
++req->newxid;
@@ -700,7 +700,7 @@ void usrsock_abort(void)
* requests.
*/
ret = net_mutex_timedlock(&req->lock, 10);
ret = net_sem_timedwait(&req->lock, 10);
if (ret < 0)
{
if (ret != -ETIMEDOUT && ret != -EINTR)
-88
View File
@@ -242,69 +242,6 @@ int net_sem_timedwait(sem_t *sem, unsigned int timeout)
return _net_timedwait(sem, true, timeout);
}
/****************************************************************************
* Name: net_mutex_timedlock
*
* Description:
* Atomically wait for mutex (or a timeout) while temporarily releasing
* the lock on the network.
*
* Caution should be utilized. Because the network lock is relinquished
* during the wait, there could be changes in the network state that occur
* before the lock is recovered. Your design should account for this
* possibility.
*
* Input Parameters:
* mutex - A reference to the mutex to be taken.
* timeout - The relative time to wait until a timeout is declared.
*
* Returned Value:
* Zero (OK) is returned on success; a negated errno value is returned on
* any failure.
*
****************************************************************************/
int net_mutex_timedlock(mutex_t *mutex, unsigned int timeout)
{
unsigned int count;
irqstate_t flags;
int blresult;
int ret;
flags = enter_critical_section(); /* No interrupts */
sched_lock(); /* No context switches */
/* Release the network lock, remembering my count. net_breaklock will
* return a negated value if the caller does not hold the network lock.
*/
blresult = net_breaklock(&count);
/* Now take the mutex, waiting if so requested. */
if (timeout != UINT_MAX)
{
ret = nxmutex_timedlock(mutex, timeout);
}
else
{
/* Wait as long as necessary to get the lock */
ret = nxmutex_lock(mutex);
}
/* Recover the network lock at the proper count (if we held it before) */
if (blresult >= 0)
{
net_restorelock(count);
}
sched_unlock();
leave_critical_section(flags);
return ret;
}
/****************************************************************************
* Name: net_sem_wait
*
@@ -330,31 +267,6 @@ int net_sem_wait(sem_t *sem)
return net_sem_timedwait(sem, UINT_MAX);
}
/****************************************************************************
* Name: net_mutex_lock
*
* Description:
* Atomically wait for mutex while temporarily releasing the network lock.
*
* Caution should be utilized. Because the network lock is relinquished
* during the wait, there could be changes in the network state that occur
* before the lock is recovered. Your design should account for this
* possibility.
*
* Input Parameters:
* mutex - A reference to the mutex to be taken.
*
* Returned Value:
* Zero (OK) is returned on success; a negated errno value is returned on
* any failure.
*
****************************************************************************/
int net_mutex_lock(mutex_t *mutex)
{
return net_mutex_timedlock(mutex, UINT_MAX);
}
/****************************************************************************
* Name: net_sem_timedwait_uninterruptible
*