diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h | 4 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/fork.c | 9 |
2 files changed, 9 insertions, 4 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h index aa42768f70..1db847c9eb 100644 --- a/nptl/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h +++ b/nptl/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h @@ -55,6 +55,7 @@ __LABEL(name) \ bne a3, SYSCALL_ERROR_LABEL; \ __LABEL($pseudo_ret) \ .subsection 2; \ + cfi_startproc; \ __LABEL($pseudo_cancel) \ subq sp, 64, sp; \ cfi_def_cfa_offset(64); \ @@ -90,12 +91,13 @@ __LABEL($multi_error) \ cfi_def_cfa_offset(0); \ __LABEL($syscall_error) \ SYSCALL_ERROR_HANDLER; \ + cfi_endproc; \ .previous # undef PSEUDO_END # define PSEUDO_END(sym) \ - .subsection 2; \ cfi_endproc; \ + .subsection 2; \ .size sym, .-sym # define SAVE_ARGS_0 /* Nothing. */ diff --git a/nptl/sysdeps/unix/sysv/linux/fork.c b/nptl/sysdeps/unix/sysv/linux/fork.c index 840974401b..98bb237c06 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 <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 |