diff options
author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 15:36:51 +0000 |
---|---|---|
committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 15:36:51 +0000 |
commit | 05fa8834c6644f12405ea713c48693bf2d1864f1 (patch) | |
tree | c6b6391884370c75972a2e432d42ebbb076a0cdf /htl/pt-getattr.c | |
parent | 525c181a5a9a95e24d2111b7792608151a40eb84 (diff) | |
parent | 963c37d5c0eb62b38f8764b23931c0dcdd497a13 (diff) |
Merge commit 'refs/top-bases/t/bigmem' into t/bigmemt/bigmem
Diffstat (limited to 'htl/pt-getattr.c')
-rw-r--r-- | htl/pt-getattr.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/htl/pt-getattr.c b/htl/pt-getattr.c new file mode 100644 index 0000000000..571630c015 --- /dev/null +++ b/htl/pt-getattr.c @@ -0,0 +1,51 @@ +/* Thread attributes retrieval. + Copyright (C) 2008-2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <assert.h> +#include <errno.h> +#include <pthread.h> + +#include <pt-internal.h> + +/* Initialize thread attribute *ATTR with attributes corresponding to the + already running thread THREAD. It shall be called on an uninitialized ATTR + and destroyed with pthread_attr_destroy when no longer needed. */ +int +__pthread_getattr_np (pthread_t thread, pthread_attr_t *attr) +{ + struct __pthread *pthread; + + pthread = __pthread_getid (thread); + if (pthread == NULL) + return ESRCH; + + /* Some attributes (schedparam, inheritsched, contentionscope and schedpolicy) + are not supported yet, so fill them with our default values. */ + *attr = __pthread_default_attr; + + attr->__stackaddr = pthread->stackaddr + + ((pthread->guardsize + __vm_page_size - 1) + / __vm_page_size * __vm_page_size); + attr->__stacksize = pthread->stacksize; + attr->__guardsize = pthread->guardsize; + attr->__detachstate = (pthread->state == PTHREAD_DETACHED + ? PTHREAD_CREATE_DETACHED : PTHREAD_CREATE_JOINABLE); + + return 0; +} +weak_alias (__pthread_getattr_np, pthread_getattr_np) |