diff options
| author | Benjamin Walsh <benjamin.walsh@windriver.com> | 2015-12-04 15:15:44 -0500 |
|---|---|---|
| committer | Anas Nashif <anas.nashif@intel.com> | 2016-02-05 20:24:58 -0500 |
| commit | fc1c0c33458668489f1660f386c19a3d0b1433d0 (patch) | |
| tree | eb2b61da157b51c1986bd25b09c4060a4cbb66aa /lib | |
| parent | 3181df6db4cdb7c7366c3c7c35d8969952a36b79 (diff) | |
libc/minimal: use per-thread errno implementation
Provides proper access to the per-thread errno variable, by using the
_get_errno() call.
Users can now do:
errno = EINVAL;
printk("errno: %d\n", errno);
Change-Id: I0ef365199656d002623b39b7f45f14f561501375
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/minimal/include/errno.h | 4 | ||||
| -rw-r--r-- | lib/libc/minimal/source/string/Makefile | 2 | ||||
| -rw-r--r-- | lib/libc/minimal/source/string/errno.c | 20 |
3 files changed, 3 insertions, 23 deletions
diff --git a/lib/libc/minimal/include/errno.h b/lib/libc/minimal/include/errno.h index d5e6fd9c2..f999bd13f 100644 --- a/lib/libc/minimal/include/errno.h +++ b/lib/libc/minimal/include/errno.h @@ -32,8 +32,8 @@ extern "C" { #endif -/* Stub: this should be implemented as a thread local variable */ -extern int errno; +extern int *_get_errno(void); +#define errno (*_get_errno()) /* * POSIX Error codes diff --git a/lib/libc/minimal/source/string/Makefile b/lib/libc/minimal/source/string/Makefile index 07e44f3d8..c64286d68 100644 --- a/lib/libc/minimal/source/string/Makefile +++ b/lib/libc/minimal/source/string/Makefile @@ -1,2 +1,2 @@ obj-y := string.o -obj-$(CONFIG_MINIMAL_LIBC_EXTENDED) += errno.o strncasecmp.o +obj-$(CONFIG_MINIMAL_LIBC_EXTENDED) += strncasecmp.o diff --git a/lib/libc/minimal/source/string/errno.c b/lib/libc/minimal/source/string/errno.c deleted file mode 100644 index 7082ff488..000000000 --- a/lib/libc/minimal/source/string/errno.c +++ /dev/null @@ -1,20 +0,0 @@ -/* - * Copyright (c) 2015 Intel Corporation - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - - -/* Stub: this should be implemented as a thread local variable */ -int errno; - |