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Diffstat (limited to 'REORG.TODO/stdlib/ucontext.h')
-rw-r--r-- | REORG.TODO/stdlib/ucontext.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/REORG.TODO/stdlib/ucontext.h b/REORG.TODO/stdlib/ucontext.h new file mode 100644 index 0000000000..2cef5f7869 --- /dev/null +++ b/REORG.TODO/stdlib/ucontext.h @@ -0,0 +1,52 @@ +/* Copyright (C) 1997-2017 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/>. */ + +/* System V ABI compliant user-level context switching support. */ + +#ifndef _UCONTEXT_H +#define _UCONTEXT_H 1 + +#include <features.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; + +/* 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 */ |