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GNU C Library master sources branch master updated. glibc-2.17-311-gfd6cdc6
- From: cmetcalf at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 28 Feb 2013 23:07:46 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.17-311-gfd6cdc6
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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=fd6cdc6da490616f4d381f4d44f03d61f64da2ba
commit fd6cdc6da490616f4d381f4d44f03d61f64da2ba
Author: Chris Metcalf <cmetcalf@tilera.com>
Date: Thu Feb 28 16:51:56 2013 -0500
tile: Add priority inheritance futex support
diff --git a/ports/ChangeLog.tile b/ports/ChangeLog.tile
index a473b30..6184bf6 100644
--- a/ports/ChangeLog.tile
+++ b/ports/ChangeLog.tile
@@ -1,3 +1,12 @@
+2013-02-28 Chris Metcalf <cmetcalf@tilera.com>
+
+ * sysdeps/unix/sysv/linux/tile/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/tile/tilegx/tilegx64/nptl/libc.abilist:
diff --git a/ports/sysdeps/unix/sysv/linux/tile/nptl/lowlevellock.h b/ports/sysdeps/unix/sysv/linux/tile/nptl/lowlevellock.h
index e6f5d19..a9822ec 100644
--- a/ports/sysdeps/unix/sysv/linux/tile/nptl/lowlevellock.h
+++ b/ports/sysdeps/unix/sysv/linux/tile/nptl/lowlevellock.h
@@ -38,6 +38,8 @@
#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
@@ -139,7 +141,33 @@
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); \
+ })
+
+#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))
-----------------------------------------------------------------------
Summary of changes:
ports/ChangeLog.tile | 9 ++++++
.../unix/sysv/linux/tile/nptl/lowlevellock.h | 28 ++++++++++++++++++++
2 files changed, 37 insertions(+), 0 deletions(-)
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