Function report |
Source Code:kernel\locking\rwsem.c |
Create Date:2022-07-28 09:48:30 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:lock for writing
Proto:int __sched down_write_killable(struct rw_semaphore *sem)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct rw_semaphore * | sem |
1544 | might_sleep() |
1545 | rwsem_acquire( & dep_map, 0, 0, _RET_IP_) |
1547 | If LOCK_CONTENDED_RETURN(sem, __down_write_trylock, __down_write_killable) Then |
1549 | rwsem_release( & dep_map, _RET_IP_) |
1550 | Return -EINTR |
1553 | Return 0 |
Name | Describe |
---|---|
SYSCALL_DEFINE5 | |
xol_add_vma | Slot allocation for XOL |
do_mlock | |
SYSCALL_DEFINE2 | |
SYSCALL_DEFINE1 | |
sys_munlockall | |
SYSCALL_DEFINE1 | |
__vm_munmap | |
SYSCALL_DEFINE5 | Emulation of deprecated remap_file_pages() syscall. |
vm_brk_flags | |
do_mprotect_pkey | pkey==-1 when doing a legacy mprotect() |
SYSCALL_DEFINE5 | Expand (or shrink) an existing mapping, potentially moving it at the* same time (controlled by the MREMAP_MAYMOVE flag and available VM space)* MREMAP_FIXED option added 5-Dec-1999 by Benjamin LaHaise* This option implies MREMAP_MAYMOVE. |
SYSCALL_DEFINE3 | The madvise(2) system call |
ksys_shmdt | detach and kill segment if marked destroyed.* The work is done in shm_close. |
setup_arg_pages | Finalizes the stack vm_area_struct. The flags and permissions are updated,* the stack is optionally relocated, and some extra space is added. |
iterate_dir | |
aio_setup_ring | |
coredump_wait |
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