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pid_t: unify usage of special task IDs

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Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
This commit is contained in:
Petro Karashchenko
2022-03-21 23:47:09 +01:00
committed by Xiang Xiao
parent 2ee12b2c5d
commit 68902d8732
150 changed files with 359 additions and 456 deletions
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fs/aio/aio_initialize.c
+4 -16
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@@ -49,15 +49,16 @@ static dq_queue_t g_aioc_free;
/* This counting semaphore tracks the number of free AIO containers */
static sem_t g_aioc_freesem;
static sem_t g_aioc_freesem = NXSEM_INITIALIZER(CONFIG_FS_NAIOC,
SEM_PRIO_NONE);
/* This binary semaphore supports exclusive access to the list of pending
* asynchronous I/O. g_aio_holder and a_aio_count support the reentrant
* lock.
*/
static sem_t g_aio_exclsem;
static pid_t g_aio_holder;
static sem_t g_aio_exclsem = SEM_INITIALIZER(1);
static pid_t g_aio_holder = INVALID_PROCESS_ID;
static uint16_t g_aio_count;
/****************************************************************************
@@ -92,19 +93,6 @@ void aio_initialize(void)
{
int i;
/* Initialize counting semaphores */
nxsem_init(&g_aioc_freesem, 0, CONFIG_FS_NAIOC);
nxsem_set_protocol(&g_aioc_freesem, SEM_PRIO_NONE);
nxsem_init(&g_aio_exclsem, 0, 1);
g_aio_holder = INVALID_PROCESS_ID;
/* Initialize the container queues */
dq_init(&g_aioc_free);
dq_init(&g_aio_pending);
/* Add all of the pre-allocated AIO containers to the free list */
for (i = 0; i < CONFIG_FS_NAIOC; i++)