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ucontext.h

man page of ucontext.h

ucontext.h: user context

NAME

ucontext.h - user context
SYNOPSIS
#include <ucontext.h>
DESCRIPTION
The <ucontext.h> header shall define the mcontext_t type through typedef. The <ucontext.h> header shall define the ucontext_t type as a structure that shall include at least the following members: ucontext_t *uc_link Pointer to the context that is resumed when this context returns. sigset_t uc_sigmask The set of signals that are blocked when this context is active. stack_t uc_stack The stack used by this context. mcontext_t uc_mcontext A machine-specific representation of the saved context. The types sigset_t and stack_t shall be defined as in <signal.h> . The following shall be declared as functions and may also be defined as macros, Function prototypes shall be provided. int getcontext(ucontext_t *); int setcontext(const ucontext_t *); void makecontext(ucontext_t *, void (*)(void), int, ...); int swapcontext(ucontext_t *restrict, const ucontext_t *restrict); The following sections are informative.

APPLICATION USAGE

None.

RATIONALE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

<signal.h> , the System Interfaces volume of IEEE Std 1003.1-2001, getcontext(), makecontext(), sigaction(), sigprocmask(), sigaltstack()
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at //www.opengroup.org/unix/online.html . UCONTEXT.H(7)
 
 
 

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