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Implement down_write_killable() in the LinuxKPI.

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MFC after:		1 week
Sponsored by:		Mellanox Technologies
This commit is contained in:
Hans Petter Selasky 2017-04-05 12:10:02 +00:00
parent b3b75d9c84
commit 0bd68b774d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=316521
1 changed files with 1 additions and 0 deletions
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sys/compat/linuxkpi/common/include/linux/rwsem.h
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@ -47,6 +47,7 @@ struct rw_semaphore {
#define up_read(_rw) sx_sunlock(&(_rw)->sx) #define up_read(_rw) sx_sunlock(&(_rw)->sx)
#define down_read_trylock(_rw) !!sx_try_slock(&(_rw)->sx) #define down_read_trylock(_rw) !!sx_try_slock(&(_rw)->sx)
#define down_write_trylock(_rw) !!sx_try_xlock(&(_rw)->sx) #define down_write_trylock(_rw) !!sx_try_xlock(&(_rw)->sx)
#define down_write_killable(_rw) !!sx_xlock_sig(&(_rw)->sx)
#define downgrade_write(_rw) sx_downgrade(&(_rw)->sx) #define downgrade_write(_rw) sx_downgrade(&(_rw)->sx)
#define down_read_nested(_rw, _sc) down_read(_rw) #define down_read_nested(_rw, _sc) down_read(_rw)
#define init_rwsem(_rw) linux_init_rwsem(_rw, rwsem_name("lnxrwsem")) #define init_rwsem(_rw) linux_init_rwsem(_rw, rwsem_name("lnxrwsem"))