alpha: Add lll_futex_timed_wait_bitset

git-mirror · Jan 2, 2013 · caed4e9 · caed4e9
1 parent 0f5477a
commit caed4e9
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diff --git a/ports/ChangeLog.alpha b/ports/ChangeLog.alpha
@@ -1,3 +1,8 @@
+2013-01-02  Richard Henderson  <rth@redhat.com>
+
+	* sysdeps/unix/sysv/linux/alpha/nptl/lowlevellock.h
+	(lll_futex_timed_wait_bitset): New.
+
 2013-01-01  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/unix/sysv/linux/alpha/bits/termios.h: Reformat copyright

diff --git a/ports/sysdeps/unix/sysv/linux/alpha/nptl/lowlevellock.h b/ports/sysdeps/unix/sysv/linux/alpha/nptl/lowlevellock.h
@@ -78,6 +78,19 @@
 #define lll_futex_wait(futexp, val, private) \
   lll_futex_timed_wait (futexp, val, NULL, private)
 
+#define lll_futex_timed_wait_bitset(futexp, val, timespec, clockbit, private) \
+  ({									      \
+    INTERNAL_SYSCALL_DECL (__err);					      \
+    long int __ret;							      \
+    int __op = FUTEX_WAIT_BITSET | clockbit;				      \
+									      \
+    __ret = INTERNAL_SYSCALL (futex, __err, 6, (futexp),		      \
+			      __lll_private_flag (__op, private),	      \
+			      (val), (timespec), NULL /* Unused.  */, 	      \
+			      FUTEX_BITSET_MATCH_ANY);			      \
+    __ret;		      						      \
+  })
+
 #define lll_futex_timed_wait(futexp, val, timespec, private) \
   ({									      \
     INTERNAL_SYSCALL_DECL (__err);					      \