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author | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
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committer | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
commit | 6ce4ebed87858ecdd79a1091367c6e961055daa9 (patch) | |
tree | 1c2a6a60531acf791531bbd9c8ac14c23ef8a66c /aarch64-none-linux-gnu/libc/usr/include/ucontext.h |
https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
Change-Id: I7303388733328cd98ab9aa3c30236db67f2e9e9c
Diffstat (limited to 'aarch64-none-linux-gnu/libc/usr/include/ucontext.h')
-rw-r--r-- | aarch64-none-linux-gnu/libc/usr/include/ucontext.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/aarch64-none-linux-gnu/libc/usr/include/ucontext.h b/aarch64-none-linux-gnu/libc/usr/include/ucontext.h new file mode 100644 index 0000000..a2a047d --- /dev/null +++ b/aarch64-none-linux-gnu/libc/usr/include/ucontext.h @@ -0,0 +1,56 @@ +/* Copyright (C) 1997-2023 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 + <https://www.gnu.org/licenses/>. */ + +/* System V ABI compliant user-level context switching support. */ + +#ifndef _UCONTEXT_H +#define _UCONTEXT_H 1 + +#include <features.h> + +/* Get definition of __INDIRECT_RETURN. */ +#include <bits/indirect-return.h> + +/* Get machine dependent definition of data structures. */ +#include <sys/ucontext.h> + +__BEGIN_DECLS + +/* Get user context and store it in variable pointed to by UCP. */ +extern int getcontext (ucontext_t *__ucp) __THROWNL; + +/* Set user context from information of variable pointed to by UCP. */ +extern int setcontext (const ucontext_t *__ucp) __THROWNL; + +/* Save current context in context variable pointed to by OUCP and set + context from variable pointed to by UCP. */ +extern int swapcontext (ucontext_t *__restrict __oucp, + const ucontext_t *__restrict __ucp) + __THROWNL __INDIRECT_RETURN; + +/* Manipulate user context UCP to continue with calling functions FUNC + and the ARGC-1 parameters following ARGC when the context is used + the next time in `setcontext' or `swapcontext'. + + We cannot say anything about the parameters FUNC takes; `void' + is as good as any other choice. */ +extern void makecontext (ucontext_t *__ucp, void (*__func) (void), + int __argc, ...) __THROW; + +__END_DECLS + +#endif /* ucontext.h */ |