* sysdeps/unix/sysv/linux/fork.c (__libc_fork): Reset refcntr in

	new thread, don't just decrement it.
	Patch by Suzuki K P <suzuki@in.ibm.com>.

diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 22aeba830a3a9d78d63d892c92c7ab65008da752..37ac4cf323198a56f33d57d53937c39a6aa47ef2 100644 (file)
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,9 @@
+2007-02-25  Ulrich Drepper  <drepper@redhat.com>
+
+       * sysdeps/unix/sysv/linux/fork.c (__libc_fork): Reset refcntr in
+       new thread, don't just decrement it.
+       Patch by Suzuki K P <suzuki@in.ibm.com>.
+
 2007-02-21  Ulrich Drepper  <drepper@redhat.com>
 
        * sysdeps/pthread/pthread-functions.h: Correct last patch, correct

diff --git a/nptl/sysdeps/unix/sysv/linux/fork.c b/nptl/sysdeps/unix/sysv/linux/fork.c
index 840974401bc9fd24c5ab761862a2e5086cc78ad7..98bb237c06b05e4b8d1c869568271c8bb24cfe70 100644 (file)
--- a/nptl/sysdeps/unix/sysv/linux/fork.c
+++ b/nptl/sysdeps/unix/sysv/linux/fork.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -167,8 +167,11 @@ __libc_fork (void)
            allp->handler->child_handler ();
 
          /* Note that we do not have to wake any possible waiter.
-            This is the only thread in the new process.  */
-         --allp->handler->refcntr;
+            This is the only thread in the new process.  The count
+            may have been bumped up by other threads doing a fork.
+            We reset it to 1, to avoid waiting for non-existing
+            thread(s) to release the count.  */
+         allp->handler->refcntr = 1;
 
          /* XXX We could at this point look through the object pool
             and mark all objects not on the __fork_handlers list as

diff --git a/stdlib/strtod_l.c b/stdlib/strtod_l.c
index 1c8ec429dcc9dca71e8aabeec9d82d154e5b5ac8..4033e3bef89f4b1834b0ddd9dc3c3c714e7d596d 100644 (file)
--- a/stdlib/strtod_l.c
+++ b/stdlib/strtod_l.c
@@ -1031,13 +1031,13 @@ ____STRTOF_INTERNAL (nptr, endptr, group, loc)
     exponent -= incr;
   }
 
-  if (int_no + exponent > MAX_10_EXP + 1)
+  if (__builtin_expect (int_no + exponent > MAX_10_EXP + 1, 0))
     {
       __set_errno (ERANGE);
       return negative ? -FLOAT_HUGE_VAL : FLOAT_HUGE_VAL;
     }
 
-  if (exponent < MIN_10_EXP - (DIG + 1))
+  if (__builtin_expect (exponent < MIN_10_EXP - (DIG + 1), 0))
     {
       __set_errno (ERANGE);
       return 0.0;