nptl: Rename lll_timedlock to lll_clocklock and add clockid parameter

Rename lll_timedlock to lll_clocklock and add clockid
parameter to indicate the clock that the abstime parameter should
be measured against in preparation for adding
pthread_mutex_clocklock.

The name change mirrors the naming for the exposed pthread functions:

 timed => absolute timeout measured against CLOCK_REALTIME (or clock
          specified by attribute in the case of pthread_cond_timedwait.)

 clock => absolute timeout measured against clock specified in preceding
          parameter.

	* sysdeps/nptl/lowlevellock.h (lll_clocklock): Rename from
	lll_timedlock and add clockid parameter. (__lll_clocklock): Rename
	from __lll_timedlock and add clockid parameter.
	* sysdeps/unix/sysv/linux/sparc/lowlevellock.h (lll_clocklock):
	Likewise.
	* nptl/lll_timedlock_wait.c (__lll_clocklock_wait): Rename from
	__lll_timedlock_wait and add clockid parameter. Use __clock_gettime
	rather than __gettimeofday so that clockid can be used. This means
	that conversion from struct timeval is no longer required.
	* sysdeps/sparc/sparc32/lowlevellock.c (lll_clocklock_wait):
	Likewise.
	* sysdeps/sparc/sparc32/lll_timedlock_wait.c: Update comment to
	refer to __lll_clocklock_wait rather than __lll_timedlock_wait.
	* nptl/pthread_mutex_timedlock.c (lll_clocklock_elision): Rename
	from lll_timedlock_elision, add clockid parameter and use
	meaningful names for other parameters. (__pthread_mutex_timedlock):
	Pass CLOCK_REALTIME where necessary to lll_clocklock and
	lll_clocklock_elision.
	* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
	(lll_clocklock_elision): Rename from lll_timedlock_elision and add
	clockid parameter. (__lll_clocklock_elision): Rename from
	__lll_timedlock_elision and add clockid parameter.
	* sysdeps/unix/sysv/linux/s390/lowlevellock.h: Likewise.
	* sysdeps/unix/sysv/linux/x86/lowlevellock.h: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/elision-timed.c
	(__lll_lock_elision): Call __lll_clocklock_elision rather than
	__lll_timedlock_elision. (EXTRAARG): Add clockid parameter.
	(LLL_LOCK): Likewise.
	* sysdeps/unix/sysv/linux/s390/elision-timed.c: Likewise.
	* sysdeps/unix/sysv/linux/x86/elision-timed.c: Likewise.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>

7 files changed, 31 insertions, 27 deletions

diff --git a/sysdeps/unix/sysv/linux/powerpc/elision-timed.c b/sysdeps/unix/sysv/linux/powerpc/elision-timed.c
index f65818b4df..739cb6e4d3 100644
--- a/sysdeps/unix/sysv/linux/powerpc/elision-timed.c
+++ b/sysdeps/unix/sysv/linux/powerpc/elision-timed.c
@@ -20,9 +20,9 @@
 #include <elision-conf.h>
 #include "lowlevellock.h"
 
-#define __lll_lock_elision __lll_timedlock_elision
-#define EXTRAARG const struct timespec *t,
+#define __lll_lock_elision __lll_clocklock_elision
+#define EXTRAARG clockid_t clockid, const struct timespec *t,
 #undef LLL_LOCK
-#define LLL_LOCK(a, b) lll_timedlock(a, t, b)
+#define LLL_LOCK(a, b) lll_clocklock(a, clockid, t, b)
 
 #include "elision-lock.c"
diff --git a/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h b/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
index 77235d7c6a..4686c49701 100644
--- a/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
@@ -22,12 +22,13 @@
 #include <sysdeps/nptl/lowlevellock.h>
 
 /* Transactional lock elision definitions.  */
-extern int __lll_timedlock_elision
-  (int *futex, short *adapt_count, const struct timespec *timeout, int private)
+extern int __lll_clocklock_elision
+  (int *futex, short *adapt_count,
+   clockid_t clockid, const struct timespec *timeout, int private)
   attribute_hidden;
 
-#define lll_timedlock_elision(futex, adapt_count, timeout, private)	      \
-  __lll_timedlock_elision(&(futex), &(adapt_count), timeout, private)
+#define lll_clocklock_elision(futex, adapt_count, clockid, timeout, private) \
+  __lll_clocklock_elision (&(futex), &(adapt_count), clockid, timeout, private)
 
 extern int __lll_lock_elision (int *futex, short *adapt_count, int private)
   attribute_hidden;
diff --git a/sysdeps/unix/sysv/linux/s390/elision-timed.c b/sysdeps/unix/sysv/linux/s390/elision-timed.c
index f7a90fa89f..256317611c 100644
--- a/sysdeps/unix/sysv/linux/s390/elision-timed.c
+++ b/sysdeps/unix/sysv/linux/s390/elision-timed.c
@@ -19,8 +19,8 @@
 #include <time.h>
 #include <elision-conf.h>
 #include <lowlevellock.h>
-#define __lll_lock_elision __lll_timedlock_elision
-#define EXTRAARG const struct timespec *t,
+#define __lll_lock_elision __lll_clocklock_elision
+#define EXTRAARG clockid_t clockid, const struct timespec *t,
 #undef LLL_LOCK
-#define LLL_LOCK(a, b) lll_timedlock(a, t, b)
+#define LLL_LOCK(a, b) lll_clocklock(a, clockid, t, b)
 #include "elision-lock.c"
diff --git a/sysdeps/unix/sysv/linux/s390/lowlevellock.h b/sysdeps/unix/sysv/linux/s390/lowlevellock.h
index 77e7580c09..2388bf25c0 100644
--- a/sysdeps/unix/sysv/linux/s390/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/s390/lowlevellock.h
@@ -22,12 +22,13 @@
 #include <sysdeps/nptl/lowlevellock.h>
 
 /* Transactional lock elision definitions.  */
-extern int __lll_timedlock_elision
-  (int *futex, short *adapt_count, const struct timespec *timeout, int private)
+extern int __lll_clocklock_elision
+  (int *futex, short *adapt_count,
+   clockid_t clockid, const struct timespec *timeout, int private)
   attribute_hidden;
 
-#  define lll_timedlock_elision(futex, adapt_count, timeout, private)	\
-  __lll_timedlock_elision(&(futex), &(adapt_count), timeout, private)
+#  define lll_clocklock_elision(futex, adapt_count, clockid, timeout, private) \
+  __lll_clocklock_elision (&(futex), &(adapt_count), clockid, timeout, private)
 
 extern int __lll_lock_elision (int *futex, short *adapt_count, int private)
   attribute_hidden;
diff --git a/sysdeps/unix/sysv/linux/sparc/lowlevellock.h b/sysdeps/unix/sysv/linux/sparc/lowlevellock.h
index c778f4259b..c79a947e64 100644
--- a/sysdeps/unix/sysv/linux/sparc/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/sparc/lowlevellock.h
@@ -75,22 +75,23 @@ __lll_cond_lock (int *futex, int private)
 #define lll_cond_lock(futex, private) __lll_cond_lock (&(futex), private)
 
 
-extern int __lll_timedlock_wait (int *futex, const struct timespec *,
+extern int __lll_clocklock_wait (int *futex, clockid_t, const struct timespec *,
 				 int private) attribute_hidden;
 
 static inline int
 __attribute__ ((always_inline))
-__lll_timedlock (int *futex, const struct timespec *abstime, int private)
+__lll_clocklock (int *futex, clockid_t clockid,
+                 const struct timespec *abstime, int private)
 {
   int val = atomic_compare_and_exchange_val_24_acq (futex, 1, 0);
   int result = 0;
 
   if (__glibc_unlikely (val != 0))
-    result = __lll_timedlock_wait (futex, abstime, private);
+    result = __lll_clocklock_wait (futex, clockid, abstime, private);
   return result;
 }
-#define lll_timedlock(futex, abstime, private) \
-  __lll_timedlock (&(futex), abstime, private)
+#define lll_clocklock(futex, clockid, abstime, private)  \
+  __lll_clocklock (&(futex), clockid, abstime, private)
 
 #define lll_unlock(lock, private) \
   ((void) ({								      \
diff --git a/sysdeps/unix/sysv/linux/x86/elision-timed.c b/sysdeps/unix/sysv/linux/x86/elision-timed.c
index 9abc6ec6b2..2c5073bc3e 100644
--- a/sysdeps/unix/sysv/linux/x86/elision-timed.c
+++ b/sysdeps/unix/sysv/linux/x86/elision-timed.c
@@ -19,8 +19,8 @@
 #include <time.h>
 #include <elision-conf.h>
 #include "lowlevellock.h"
-#define __lll_lock_elision __lll_timedlock_elision
-#define EXTRAARG const struct timespec *t,
+#define __lll_lock_elision __lll_clocklock_elision
+#define EXTRAARG clockid_t clockid, const struct timespec *t,
 #undef LLL_LOCK
-#define LLL_LOCK(a, b) lll_timedlock(a, t, b)
+#define LLL_LOCK(a, b) lll_clocklock (a, clockid, t, b)
 #include "elision-lock.c"
diff --git a/sysdeps/unix/sysv/linux/x86/lowlevellock.h b/sysdeps/unix/sysv/linux/x86/lowlevellock.h
index 8a78dcff47..e6c59ea55b 100644
--- a/sysdeps/unix/sysv/linux/x86/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/x86/lowlevellock.h
@@ -82,12 +82,13 @@ __lll_cas_lock (int *futex)
        __lll_unlock (&(lock), private);					     \
    }))
 
-extern int __lll_timedlock_elision (int *futex, short *adapt_count,
-					 const struct timespec *timeout,
-					 int private) attribute_hidden;
+extern int __lll_clocklock_elision (int *futex, short *adapt_count,
+                                    clockid_t clockid,
+				    const struct timespec *timeout,
+				    int private) attribute_hidden;
 
-#define lll_timedlock_elision(futex, adapt_count, timeout, private)	\
-  __lll_timedlock_elision(&(futex), &(adapt_count), timeout, private)
+#define lll_clocklock_elision(futex, adapt_count, clockid, timeout, private) \
+  __lll_clocklock_elision (&(futex), &(adapt_count), clockid, timeout, private)
 
 extern int __lll_lock_elision (int *futex, short *adapt_count, int private)
   attribute_hidden;