From: Ulrich Drepper Date: Sun, 25 Feb 2007 21:44:22 +0000 (+0000) Subject: * sysdeps/unix/sysv/linux/fork.c (__libc_fork): Reset refcntr in X-Git-Tag: cvs/fedora-glibc-20070317T2130~24 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=00a1430e3f97ae7700d53da8ef6a6eaa100ca78d;p=thirdparty%2Fglibc.git * sysdeps/unix/sysv/linux/fork.c (__libc_fork): Reset refcntr in new thread, don't just decrement it. Patch by Suzuki K P . --- diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 22aeba830a3..37ac4cf3231 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,9 @@ +2007-02-25 Ulrich Drepper + + * sysdeps/unix/sysv/linux/fork.c (__libc_fork): Reset refcntr in + new thread, don't just decrement it. + Patch by Suzuki K P . + 2007-02-21 Ulrich Drepper * 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 840974401bc..98bb237c06b 100644 --- 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 , 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 1c8ec429dcc..4033e3bef89 100644 --- 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;