diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sysdep.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/sysdep.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sysdep.h b/sysdeps/unix/sysv/linux/sysdep.h new file mode 100644 index 0000000000..a7dd887394 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sysdep.h @@ -0,0 +1,25 @@ +/* Copyright (C) 2015 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/>. */ + +/* Set error number and return -1. A target may choose to return the + internal function, __syscall_error, which sets errno and returns -1. + We use -1l, instead of -1, so that it can be casted to (void *). */ +#define INLINE_SYSCALL_ERROR_RETURN_VALUE(err) \ + ({ \ + __set_errno (err); \ + -1l; \ + }) |