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kernel: mem_slab: error handling

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Add runtime error checking for k_mem_slab_init and replace asserts with
returning error codes.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Anas Nashif 2019-06-16 09:22:21 -04:00
commit dfc2bbcd3c
2 changed files with 30 additions and 10 deletions
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7
include/kernel.h
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@ -4333,10 +4333,12 @@ struct k_mem_slab {
* @param block_size Size of each memory block (in bytes).
* @param num_blocks Number of memory blocks.
*
* @return N/A
* @retval 0 on success
* @retval -EINVAL invalid data supplied
*
* @req K-MSLAB-002
*/
extern void k_mem_slab_init(struct k_mem_slab *slab, void *buffer,
extern int k_mem_slab_init(struct k_mem_slab *slab, void *buffer,
size_t block_size, u32_t num_blocks);
/**
@ -4354,6 +4356,7 @@ extern void k_mem_slab_init(struct k_mem_slab *slab, void *buffer,
* is set to the starting address of the memory block.
* @retval -ENOMEM Returned without waiting.
* @retval -EAGAIN Waiting period timed out.
* @retval -EINVAL Invalid data supplied
* @req K-MSLAB-002
*/
extern int k_mem_slab_alloc(struct k_mem_slab *slab, void **mem,