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mm/shm: Clean up the System-V shm driver

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Move shmdt functionality into shm_unmap, and use shm_unmap as the common
detach function.

Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>
This commit is contained in:
Jukka Laitinen
2023-01-10 17:03:04 +04:00
committed by Xiang Xiao
parent eef818e51f
commit 3ea7a6fb77
3 changed files with 106 additions and 140 deletions
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include/nuttx/mm/shm.h
-18
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@@ -164,23 +164,5 @@ FAR void *shm_alloc(FAR struct task_group_s *group, FAR void *vaddr,
void shm_free(FAR struct task_group_s *group, FAR void *vaddr, size_t size);
/****************************************************************************
* Name: shmdt_priv
*
* Description:
* This is the shmdt internal implementation of the shm driver. It takes
* the task group struct as a parameter and can handle both normal detach
* and cleanup during process exit.
*
* Input Parameters:
* group - A reference to the group structure from which to detach
* shmaddr - Virtual start address where the allocation starts.
* shmid - Id of the allocation
*
****************************************************************************/
int shmdt_priv(FAR struct task_group_s *group, FAR const void *shmaddr,
int shmid);
#endif /* CONFIG_MM_SHM */
#endif /* __INCLUDE_NUTTX_MM_SHM_H */