AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-12-19 01:11:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

nptl: Add adapt_count parameter to lll_unlock_elision

Browse Source 
Adding this parameter will give architectures more freedom in
how they choose to update this variable.  This change has no
effect on architectures which choose not to use it.

	* nptl/pthread_mutex_unlock.c(lll_unlock_elision):
	Add elision adapt_count parameter to list of arguments.
	* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
	(lll_unlock_elision): Update with new parameter list
	* sysdeps/unix/sysv/linux/s390/lowlevellock.h
	(lll_unlock_elision): Likewise
	* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
	(lll_unlock_elision): Likewise
This commit is contained in:
Paul Murphy 2015-09-03 13:40:11 -05:00 committed by Tulio Magno Quites Machado Filho
parent 3c82bb5042
commit e5e6bea22a
5 changed files with 16 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
ChangeLog
View File

@ -1,3 +1,14 @@
2015-10-15 Paul E. Murphy <murphyp@linux.vnet.ibm.com>
* nptl/pthread_mutex_unlock.c (lll_unlock_elision):
Add elision adapt_count parameter to list of arguments.
* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
(lll_unlock_elision): Update with new parameter list
* sysdeps/unix/sysv/linux/s390/lowlevellock.h
(lll_unlock_elision): Likewise
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
(lll_unlock_elision): Likewise
2015-10-15 H.J. Lu <hongjiu.lu@intel.com>
[BZ #19122]

4
nptl/pthread_mutex_unlock.c
View File

@ -24,7 +24,7 @@
#include <stap-probe.h>
#ifndef lll_unlock_elision
#define lll_unlock_elision(a,b) ({ lll_unlock (a,b); 0; })
#define lll_unlock_elision(a,b,c) ({ lll_unlock (a,c); 0; })
#endif
static int
@ -63,7 +63,7 @@ __pthread_mutex_unlock_usercnt (mutex, decr)
else if (__glibc_likely (type == PTHREAD_MUTEX_TIMED_ELISION_NP))
{
/* Don't reset the owner/users fields for elision. */
return lll_unlock_elision (mutex->__data.__lock,
return lll_unlock_elision (mutex->__data.__lock, mutex->__data.__elision,
PTHREAD_MUTEX_PSHARED (mutex));
}
else if (__builtin_expect (PTHREAD_MUTEX_TYPE (mutex)

2
sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
View File

@ -40,7 +40,7 @@ extern int __lll_trylock_elision(int *lock, short *adapt_count)
#define lll_lock_elision(futex, adapt_count, private) \
__lll_lock_elision (&(futex), &(adapt_count), private)
#define lll_unlock_elision(futex, private) \
#define lll_unlock_elision(futex, adapt_count, private) \
__lll_unlock_elision (&(futex), private)
#define lll_trylock_elision(futex, adapt_count) \
__lll_trylock_elision (&(futex), &(adapt_count))

2
sysdeps/unix/sysv/linux/s390/lowlevellock.h
View File

@ -41,7 +41,7 @@ extern int __lll_trylock_elision(int *futex, short *adapt_count)
# define lll_lock_elision(futex, adapt_count, private) \
__lll_lock_elision (&(futex), &(adapt_count), private)
# define lll_unlock_elision(futex, private) \
# define lll_unlock_elision(futex, adapt_count, private) \
__lll_unlock_elision (&(futex), private)
# define lll_trylock_elision(futex, adapt_count) \
__lll_trylock_elision(&(futex), &(adapt_count))

2
sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
View File

@ -342,7 +342,7 @@ extern int __lll_trylock_elision (int *lock, short *adapt_count)
#define lll_lock_elision(futex, adapt_count, private) \
__lll_lock_elision (&(futex), &(adapt_count), private)
#define lll_unlock_elision(futex, private) \
#define lll_unlock_elision(futex, adapt_count, private) \
__lll_unlock_elision (&(futex), private)
#define lll_trylock_elision(futex, adapt_count) \
__lll_trylock_elision (&(futex), &(adapt_count))