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GNU C Library master sources branch master updated. glibc-2.17-251-g92363eb
- From: jsm28 at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 19 Feb 2013 00:49:41 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.17-251-g92363eb
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http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=92363eb87caf17ea20d262a0eceaf8cace53d374
commit 92363eb87caf17ea20d262a0eceaf8cace53d374
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Feb 19 00:49:25 2013 +0000
Add FUTEX_*_REQUEUE_PI support for MIPS.
diff --git a/ports/ChangeLog.mips b/ports/ChangeLog.mips
index de967c6..c07bf97 100644
--- a/ports/ChangeLog.mips
+++ b/ports/ChangeLog.mips
@@ -1,3 +1,13 @@
+2013-02-19 Joseph Myers <joseph@codesourcery.com>
+
+ [BZ #14920]
+ * sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h
+ (FUTEX_WAIT_REQUEUE_PI): Define.
+ (FUTEX_CMP_REQUEUE_PI): Likewise.
+ (lll_futex_wait_requeue_pi): Likewise.
+ (lll_futex_timed_wait_requeue_pi): Likewise.
+ (lll_futex_cmp_requeue_pi): Likewise.
+
2013-02-18 Siddhesh Poyarekar <siddhesh@redhat.com>
* sysdeps/unix/sysv/linux/mips/mips32/nptl/libc.abilist: Add
diff --git a/ports/sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h b/ports/sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h
index fe7c747..4f27b8b 100644
--- a/ports/sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h
+++ b/ports/sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h
@@ -36,6 +36,8 @@
#define FUTEX_TRYLOCK_PI 8
#define FUTEX_WAIT_BITSET 9
#define FUTEX_WAKE_BITSET 10
+#define FUTEX_WAIT_REQUEUE_PI 11
+#define FUTEX_CMP_REQUEUE_PI 12
#define FUTEX_PRIVATE_FLAG 128
#define FUTEX_CLOCK_REALTIME 256
@@ -141,6 +143,34 @@
INTERNAL_SYSCALL_ERROR_P (__ret, __err); \
})
+/* Priority Inheritance support. */
+#define lll_futex_wait_requeue_pi(futexp, val, mutex, private) \
+ lll_futex_timed_wait_requeue_pi (futexp, val, NULL, 0, mutex, private)
+
+#define lll_futex_timed_wait_requeue_pi(futexp, val, timespec, clockbit, \
+ mutex, private) \
+ ({ \
+ INTERNAL_SYSCALL_DECL (__err); \
+ long int __ret; \
+ int __op = FUTEX_WAIT_REQUEUE_PI | clockbit; \
+ \
+ __ret = INTERNAL_SYSCALL (futex, __err, 5, (futexp), \
+ __lll_private_flag (__op, private), \
+ (val), (timespec), mutex); \
+ INTERNAL_SYSCALL_ERROR_P (__ret, __err) ? -__ret : __ret; \
+ })
+
+#define lll_futex_cmp_requeue_pi(futexp, nr_wake, nr_move, mutex, val, priv) \
+ ({ \
+ INTERNAL_SYSCALL_DECL (__err); \
+ long int __ret; \
+ \
+ __ret = INTERNAL_SYSCALL (futex, __err, 6, (futexp), \
+ __lll_private_flag (FUTEX_CMP_REQUEUE_PI, priv),\
+ (nr_wake), (nr_move), (mutex), (val)); \
+ INTERNAL_SYSCALL_ERROR_P (__ret, __err); \
+ })
+
static inline int __attribute__((always_inline))
__lll_trylock(int *futex)
{
-----------------------------------------------------------------------
Summary of changes:
ports/ChangeLog.mips | 10 ++++++
.../unix/sysv/linux/mips/nptl/lowlevellock.h | 30 ++++++++++++++++++++
2 files changed, 40 insertions(+), 0 deletions(-)
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