* stdlib/strtod_l.c (____STRTOF_INTERNAL): Properly handle -0.

	* stdlib/Makefile (tests): Add tst-strtod5.
	(tst-strtod5-ENV): New.
	* stdlib/tst-strtod5.c: New file.

5 files changed, 217 insertions, 4 deletions

diff --git a/ChangeLog b/ChangeLog
index 1354272297..1327ad6973 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2007-08-03  Jakub Jelinek  <jakub@redhat.com>
 
+	* stdlib/strtod_l.c (____STRTOF_INTERNAL): Properly handle -0.
+	* stdlib/Makefile (tests): Add tst-strtod5.
+	(tst-strtod5-ENV): New.
+	* stdlib/tst-strtod5.c: New file.
+
 	* intl/dcigettext.c (_nl_find_msg): Free encoding if __gconv_open
 	failed.
 	* intl/finddomain.c (_nl_find_domain): Free normalized_codeset
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index df334b2e81..6bbd304fe2 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,121 @@
+2007-08-01  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
+
+	* sysdeps/unix/sysv/linux/sh/libc-lowlevellock.S: Remove
+	definitions for private futexes.
+	* sysdeps/unix/sysv/linux/sh/lowlevellock.S: Include
+	kernel-features.h and lowlevellock.h.  Use private futexes if
+	they are available.
+	(__lll_lock_wait_private, __lll_unlock_wake_private): New.
+	(__lll_mutex_lock_wait): Rename to
+	(__lll_lock_wait): ... this.  Don't compile in for libc.so.
+	(__lll_mutex_timedlock_wait): Rename to ...
+	(__lll_timedlock_wait): ... this.  Use __NR_gettimeofday.
+	Don't compile in for libc.so.
+	(__lll_mutex_unlock_wake): Rename to ...
+	(__lll_unlock_wake): ... this.  Don't compile in for libc.so.
+	(__lll_timedwait_tid): Use __NR_gettimeofday.
+	* sysdeps/unix/sysv/linux/sh/lowlevellock.h: Allow including
+	the header from assembler.  Renamed all lll_mutex_* resp.
+	lll_robust_mutex_* macros to lll_* resp. lll_robust_*.
+	Renamed all LLL_MUTEX_LOCK_* macros to LLL_LOCK_*.
+	(FUTEX_CMP_REQUEUE, FUTEX_WAKE_OP, FUTEX_OP_CLEAR_WAKE_IF_GT_ONE):
+	Define.
+	(__lll_lock_wait_private): Add prototype.
+	(__lll_lock_wait, __lll_timedlock_wait, __lll_robust_lock_wait,
+	__lll_robust_timedlock_wait, __lll_unlock_wake_private,
+	__lll_unlock_wake): Likewise.
+	(lll_lock): Add private argument.  Call __lll_lock_wait_private
+	if private is constant LLL_PRIVATE.
+	(lll_robust_lock, lll_cond_lock, lll_robust_cond_lock,
+	lll_timedlock, lll_robust_timedlock): Add private argument.
+	(lll_unlock): Add private argument.  Call __lll_unlock_wake_private
+	if private is constant LLL_PRIVATE.
+	(lll_robust_unlock, lll_robust_dead): Add private argument.
+	(lll_lock_t): Remove.
+	(__lll_cond_wait, __lll_cond_timedwait, __lll_cond_wake,
+	__lll_cond_broadcast, lll_cond_wait, lll_cond_timedwait,
+	lll_cond_wake, lll_cond_broadcast): Remove.
+	* sysdeps/unix/sysv/linux/sh/lowlevelrobustlock.S: Include
+	kernel-features.h and lowlevellock.h.
+	(SYS_gettimeofday, SYS_futex, FUTEX_WAIT, FUTEX_WAKE): Remove.
+	(LOAD_FUTEX_WAIT): Define.
+	(__lll_robust_mutex_lock_wait): Rename to ...
+	(__lll_robust_lock_wait): ... this.  Add private argument.
+	Use LOAD_FUTEX_WAIT macro.
+	(__lll_robust_mutex_timedlock_wait): Rename to ...
+	(__lll_robust_timedlock_wait): ... this.    Add private argument.
+	Use __NR_gettimeofday.  Use LOAD_FUTEX_WAIT macro.
+	* sysdeps/unix/sysv/linux/sh/pthread_barrier_wait.S: Include
+	lowlevellock.h.
+	(SYS_futex, FUTEX_WAIT, FUTEX_WAKE): Remove.
+	(pthread_barrier_wait): Use __lll_{lock,unlock}_* instead of
+	__lll_mutex_{lock,unlock}_*.
+	* sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S: Include
+	lowlevellock.h and pthread-errnos.h.
+	(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_REQUEUE,
+	FUTEX_CMP_REQUEUE, EINVAL): Remove.
+	(__pthread_cond_broadcast): Use __lll_{lock,unlock}_* instead of
+	__lll_mutex_{lock,unlock}_*.
+	* sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S: Include
+	lowlevellock.h and pthread-errnos.h.
+	(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_REQUEUE, EINVAL): Remove.
+	(__pthread_cond_signal): Use __lll_{lock,unlock}_* instead of
+	__lll_mutex_{lock,unlock}_*.
+	* sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: Include
+	lowlevellock.h.
+	(SYS_futex, SYS_gettimeofday, FUTEX_WAIT, FUTEX_WAKE): Remove.
+	(__pthread_cond_timedwait): Use __lll_{lock,unlock}_* instead of
+	__lll_mutex_{lock,unlock}_*.  Use __NR_gettimeofday.
+	(__condvar_tw_cleanup): Likewise.
+	* sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S: Include
+	lowlevellock.h.
+	(SYS_futex, FUTEX_WAIT, FUTEX_WAKE): Remove.
+	(__pthread_cond_wait): Use __lll_{lock,unlock}_* instead of
+	__lll_mutex_{lock,unlock}_*.
+	( __condvar_w_cleanup): Likewise.
+	* sysdeps/unix/sysv/linux/sh/pthread_once.S: Include lowlevellock.h.
+	(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG): Remove.
+	* sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S: Include
+	lowlevellock.h.
+	(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG): Remove.
+	(__pthread_rwlock_rdlock): Use __lll_{lock,unlock}_* instead of
+	__lll_mutex_{lock,unlock}_*.
+	* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S: Include
+	lowlevellock.h.
+	(SYS_gettimeofday, SYS_futex, FUTEX_WAIT, FUTEX_WAKE,
+	FUTEX_PRIVATE_FLAG): Remove.
+	(pthread_rwlock_timedrdlock): Use __lll_{lock,unlock}_* instead of
+	__lll_mutex_{lock,unlock}_*.  Use __NR_gettimeofday.
+	* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S: Include
+	lowlevellock.h.
+	(SYS_gettimeofday, SYS_futex, FUTEX_WAIT, FUTEX_WAKE,
+	FUTEX_PRIVATE_FLAG): Remove.
+	(pthread_rwlock_timedwrlock): Use __lll_{lock,unlock}_* instead of
+	__lll_mutex_{lock,unlock}_*.  Use __NR_gettimeofday.
+	* sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S: Include
+	lowlevellock.h.
+	(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG): Remove.
+	(__pthread_rwlock_unlock): Use __lll_{lock,unlock}_* instead of
+	__lll_mutex_{lock,unlock}_*.
+	* sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S: Include
+	lowlevellock.h.
+	(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG): Remove.
+	(__pthread_rwlock_wrlock): Use __lll_{lock,unlock}_* instead of
+	__lll_mutex_{lock,unlock}_*.
+	* sysdeps/unix/sysv/linux/sh/sem_post.S: Include lowlevellock.h.
+	(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG): Remove.
+	(__new_sem_post): Use standard initial exec code sequences.
+	* sysdeps/unix/sysv/linux/sh/sem_timedwait.S: Include
+	lowlevellock.h.
+	(SYS_gettimeofday, SYS_futex, FUTEX_WAIT, FUTEX_WAKE,
+	FUTEX_PRIVATE_FLAG): Remove.
+	(sem_timedwait): Use __NR_gettimeofday.  Use standard initial
+	exec code sequences.
+	* sysdeps/unix/sysv/linux/sh/sem_trywait.S: Include lowlevellock.h.
+	(__new_sem_trywait): Use standard initial exec code sequences.
+	* sysdeps/unix/sysv/linux/sh/sem_wait.S: Include lowlevellock.h.
+	(__new_sem_wait): Use standard initial exec code sequences.
+
 2007-07-31  Anton Blanchard  <anton@samba.org>
 
 	* sysdeps/unix/sysv/linux/powerpc/sem_post.c (__new_sem_post):
diff --git a/stdlib/Makefile b/stdlib/Makefile
index b4518b2bb3..7390647d8e 100644
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -68,7 +68,7 @@ tests		:= tst-strtol tst-strtod testmb testrand testsort testdiv   \
 		   tst-limits tst-rand48 bug-strtod tst-setcontext	    \
 		   test-a64l tst-qsort tst-system testmb2 bug-strtod2	    \
 		   tst-atof1 tst-atof2 tst-strtod2 tst-strtod3 tst-rand48-2 \
-		   tst-makecontext tst-strtod4
+		   tst-makecontext tst-strtod4 tst-strtod5
 
 include ../Makeconfig
 
@@ -115,6 +115,7 @@ test-canon-ARGS = --test-dir=${common-objpfx}stdlib
 tst-strtod-ENV = LOCPATH=$(common-objpfx)localedata
 tst-strtod3-ENV = LOCPATH=$(common-objpfx)localedata
 tst-strtod4-ENV = LOCPATH=$(common-objpfx)localedata
+tst-strtod5-ENV = LOCPATH=$(common-objpfx)localedata
 testmb2-ENV = LOCPATH=$(common-objpfx)localedata
 
 # Run a test on the header files we use.
diff --git a/stdlib/strtod_l.c b/stdlib/strtod_l.c
index 4033e3bef8..939440f364 100644
--- a/stdlib/strtod_l.c
+++ b/stdlib/strtod_l.c
@@ -700,7 +700,8 @@ ____STRTOF_INTERNAL (nptr, endptr, group, loc)
 #endif
       /* If TP is at the start of the digits, there was no correctly
 	 grouped prefix of the string; so no number found.  */
-      RETURN (0.0, tp == start_of_digits ? (base == 16 ? cp - 1 : nptr) : tp);
+      RETURN (negative ? -0.0 : 0.0,
+	      tp == start_of_digits ? (base == 16 ? cp - 1 : nptr) : tp);
     }
 
   /* Remember first significant digit and read following characters until the
@@ -759,7 +760,7 @@ ____STRTOF_INTERNAL (nptr, endptr, group, loc)
 	  if (tp < startp)
 	    /* The number is validly grouped, but consists
 	       only of zeroes.  The whole value is zero.  */
-	    RETURN (0.0, tp);
+	    RETURN (negative ? -0.0 : 0.0, tp);
 
 	  /* Recompute DIG_NO so we won't read more digits than
 	     are properly grouped.  */
@@ -862,7 +863,7 @@ ____STRTOF_INTERNAL (nptr, endptr, group, loc)
 		    {
 		      /* Overflow or underflow.  */
 		      __set_errno (ERANGE);
-		      result = (exp_negative ? 0.0 :
+		      result = (exp_negative ? (negative ? -0.0 : 0.0) :
 				negative ? -FLOAT_HUGE_VAL : FLOAT_HUGE_VAL);
 		    }
 
diff --git a/stdlib/tst-strtod5.c b/stdlib/tst-strtod5.c
new file mode 100644
index 0000000000..337c746989
--- /dev/null
+++ b/stdlib/tst-strtod5.c
@@ -0,0 +1,88 @@
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#define NBSP "\xc2\xa0"
+
+static const struct
+{
+  const char *in;
+  int group;
+  double expected;
+} tests[] =
+  {
+    { "0", 0, 0.0 },
+    { "000", 0, 0.0 },
+    { "-0", 0, -0.0 },
+    { "-000", 0, -0.0 },
+    { "0,", 0, 0.0 },
+    { "-0,", 0, -0.0 },
+    { "0,0", 0, 0.0 },
+    { "-0,0", 0, -0.0 },
+    { "0e-10", 0, 0.0 },
+    { "-0e-10", 0, -0.0 },
+    { "0,e-10", 0, 0.0 },
+    { "-0,e-10", 0, -0.0 },
+    { "0,0e-10", 0, 0.0 },
+    { "-0,0e-10", 0, -0.0 },
+    { "0e-1000000", 0, 0.0 },
+    { "-0e-1000000", 0, -0.0 },
+    { "0,0e-1000000", 0, 0.0 },
+    { "-0,0e-1000000", 0, -0.0 },
+    { "0", 1, 0.0 },
+    { "000", 1, 0.0 },
+    { "-0", 1, -0.0 },
+    { "-000", 1, -0.0 },
+    { "0e-10", 1, 0.0 },
+    { "-0e-10", 1, -0.0 },
+    { "0e-1000000", 1, 0.0 },
+    { "-0e-1000000", 1, -0.0 },
+    { "000"NBSP"000"NBSP"000", 1, 0.0 },
+    { "-000"NBSP"000"NBSP"000", 1, -0.0 }
+  };
+#define NTESTS (sizeof (tests) / sizeof (tests[0]))
+
+
+static int
+do_test (void)
+{
+  if (setlocale (LC_ALL, "cs_CZ.UTF-8") == NULL)
+    {
+      puts ("could not set locale");
+      return 1;
+    }
+
+  int status = 0;
+
+  for (int i = 0; i < NTESTS; ++i)
+    {
+      char *ep;
+      double r;
+
+      if (tests[i].group)
+	r = __strtod_internal (tests[i].in, &ep, 1);
+      else
+	r = strtod (tests[i].in, &ep);
+
+      if (*ep != '\0')
+	{
+	  printf ("%d: got rest string \"%s\", expected \"\"\n", i, ep);
+	  status = 1;
+	}
+
+      if (r != tests[i].expected
+	  || copysign (10.0, r) != copysign (10.0, tests[i].expected))
+	{
+	  printf ("%d: got wrong results %g, expected %g\n",
+		  i, r, tests[i].expected);
+	  status = 1;
+	}
+    }
+
+  return status;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"