libc/semaphore:sem_init change defult protocol

Signed-off-by: anjiahao <[email protected]>
apache · Dec 24, 2021 · 38a2be0 · 38a2be0
1 parent 509350a
commit 38a2be0
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/drivers/input/tsc2007.c b/drivers/input/tsc2007.c
@@ -1228,6 +1228,7 @@ int tsc2007_register(FAR struct i2c_master_s *dev,
  priv->config = config; /* Save the board configuration */
 
  nxsem_init(&priv->devsem, 0, 1); /* Initialize device structure semaphore */
+ nxsem_set_protocol(&priv->devsem, SEM_PRIO_INHERIT);
  nxsem_init(&priv->waitsem, 0, 0); /* Initialize pen event wait semaphore */
 
  /* The event wait semaphore is used for signaling and, hence, should not

diff --git a/libs/libc/semaphore/sem_init.c b/libs/libc/semaphore/sem_init.c
@@ -74,7 +74,7 @@ int nxsem_init(FAR sem_t *sem, int pshared, unsigned int value)
  /* Initialize to support priority inheritance */
 
 #ifdef CONFIG_PRIORITY_INHERITANCE
- sem->flags  = 0;
+ sem->flags |= PRIOINHERIT_FLAGS_DISABLE;
 # if CONFIG_SEM_PREALLOCHOLDERS > 0
  sem->hhead = NULL;
 # else