Backported r187026 from branches/google/gcc-4_6.
2012-03-12 Richard Guenther <rguenther@suse.de>
* gthr.h (__GTHREAD_MUTEX_INIT_FUNCTION): Adjust specification.
* gthr-posix.h (__GTHREAD_MUTEX_INIT_FUNCTION): Define.
(__gthread_mutex_init_function): New function.
* gthr-single.h (__GTHREAD_MUTEX_INIT_FUNCTION): Define.
PR gcov/49484
* libgcov.c: Include gthr.h.
(__gcov_flush_mx): New global variable.
(init_mx, init_mx_once): New functions.
(__gcov_flush): Protect self with a mutex.
(__gcov_fork): Re-initialize mutex after forking.
* unwind-dw2-fde.c: Change condition under which to use
__GTHREAD_MUTEX_INIT_FUNCTION.
BUG=chromium-os:25188
TEST=cbuildbot --remote -g <CL#> chromiumos-sdk
Change-Id: Id032d37e2eb39a35018b8e6f62671a7da73a861e
Reviewed-on: https://gerrit.chromium.org/gerrit/21695
Tested-by: asharif <asharif@chromium.org>
Reviewed-by: Han Shen <shenhan@chromium.org>
Commit-Ready: asharif <asharif@chromium.org>
Reviewed-by: asharif <asharif@chromium.org>
8 files changed
