#include <sigaltstack.h>

Inheritance diagram for zth::Context:

Public Types
typedef impl::ContextArch< Context >	base

typedef ContextArch< Context >	base

typedef impl::ContextArch< Context >	base

typedef impl::ContextArch< Context >	base

Public Types inherited from zth::impl::ContextArch< Context >
typedef ContextBase< Context >	base

typedef ContextBase< Context >	base

Public Member Functions
constexpr	Context (ContextAttr const &attr) noexcept

int	create () noexcept

void	context_switch (Context &to) noexcept

constexpr	Context (ContextAttr const &attr) noexcept

int	create () noexcept

void	context_switch (Context &to) noexcept

constexpr	Context (ContextAttr const &attr) noexcept

int	create () noexcept

void	context_switch (Context &to) noexcept

constexpr	Context (ContextAttr const &attr) noexcept

int	initStack (Stack &UNUSED_PAR(stack), Stack &UNUSED_PAR(usable)) noexcept

void	deinitStack (Stack &UNUSED_PAR(stack)) noexcept

int	stackGuardInit () noexcept

void	stackGuardDeinit () noexcept

void	valgrindRegister () noexcept

void	valgrindDeregister () noexcept

int	create () noexcept

void	destroy () noexcept

void	context_switch (Context &to) noexcept

Public Member Functions inherited from zth::impl::ContextArch< Context >
size_t	calcStackSize (size_t size) noexcept

void	stackAlign (Stack &stack) noexcept

Context &	impl () noexcept
	Return Impl `this`.

Context const &	impl () const noexcept
	Return Impl `this`.

Public Member Functions inherited from zth::impl::ContextBase< Impl >
ContextAttr &	attr () noexcept
	Return the context attributes, requested by the user.

ContextAttr const &	attr () const noexcept
	Return the context attributes, requested by the user.

int	create () noexcept
	Create context.

void	destroy () noexcept
	Destroy and cleanup context.

int	initStack (Stack &stack, Stack &usable) noexcept
	Allocate and initialize stack.

void	deinitStack (Stack &stack) noexcept
	Deinit and free stack.

Stack const &	stack () const noexcept
	Return the stack address.

Stack const &	stackUsable () const noexcept
	Return the start of the actual usable stack.

size_t	calcStackSize (size_t size) noexcept
	Compute the stack size, given the requested user size and current configuration.

void *	allocStack (size_t size) noexcept
	Allocate requested size of stack memory.

void	deallocStack (Stack &stack) noexcept
	Frees the previously allocated stack.

void	stackAlign (Stack &stack) noexcept
	Compute and modify the stack alignment and size, within the allocated space.

void	valgrindRegister () noexcept
	Register the current stack to valgrind.

void	valgrindDeregister () noexcept
	Deregister the current stack from valgrind.

int	stackGuardInit () noexcept
	Initialize guards around the stack memory.

void	stackGuardDeinit () noexcept
	Release the guards around the memory.

void	stackGuard () noexcept
	Configure the guard for the current fiber.

void	stackGuard (Stack const &stack) noexcept
	Configure the guard for the given stack.

void *	stackGuard (void *p) noexcept
	Configure the guard for the address.

void	context_switch (Context &to) noexcept
	Perform a context switch.

void	context_push_regs () noexcept
	Pre-sjlj context saving.

void	context_pop_regs () noexcept
	Post-sjlj context restoring.

void	context_prepare_jmp (Impl &to, jmp_buf &env) noexcept
	Pre-sjlj jump.

void	die () noexcept
	Flag fiber as died after it returned from `context_entry()`.

bool	alive () const noexcept
	Check if fiber is still running.

void *	stack_switch (void stack, size_t size, void (f)(void ) noexcept, void *arg) noexcept

Static Public Member Functions
static int	init () noexcept

static void	deinit () noexcept

static int	init () noexcept

Static Public Member Functions inherited from zth::impl::ContextArch< Context >
static size_t	pageSize () noexcept

static void *	sp () noexcept

Static Public Member Functions inherited from zth::impl::ContextBase< Impl >
static int	init () noexcept
	One-time system initialization.

static void	deinit () noexcept
	Final system cleanup.

static size_t	pageSize () noexcept
	Get system's page size.

static bool	stackGrowsDown (void const *reference)
	Checks if the stack grows down or up.

static void **	sp (Stack const &stack) noexcept
	Get the initial stack pointer for the given stack.

static void	stack_push (void *&sp, void p) noexcept
	Push data into the stack.

static void	set_sp (jmp_buf &env, void **sp) noexcept
	Set the stack pointer in a `jmp_buf`.

static void	set_pc (jmp_buf &env, void *sp) noexcept
	Set the program counter in a `jmp_buf`.

static void	context_trampoline_from_jmp_buf () noexcept
	Entry point to jump to from a (sig)jmp_buf.

Additional Inherited Members
Protected Member Functions inherited from zth::impl::ContextArch< Context >
constexpr	ContextArch (ContextAttr const &attr) noexcept

constexpr	ContextArch (ContextAttr const &attr) noexcept

Protected Member Functions inherited from zth::impl::ContextBase< Impl >
constexpr	ContextBase (ContextAttr const &attr) noexcept

	~ContextBase ()
	Dtor.

Impl &	impl () noexcept
	Return Impl `this`.

Impl const &	impl () const noexcept
	Return Impl `this`.

Detailed Description

Examples: measure.cpp.

Definition at line 57 of file sigaltstack.h.

Member Typedef Documentation

◆ base [1/4]

typedef impl::ContextArch<Context> zth::Context::base

Definition at line 60 of file sigaltstack.h.

◆ base [2/4]

typedef ContextArch<Context> zth::Context::base

Definition at line 23 of file sjlj.h.

◆ base [3/4]

typedef impl::ContextArch<Context> zth::Context::base

Definition at line 34 of file ucontext.h.

◆ base [4/4]

typedef impl::ContextArch<Context> zth::Context::base

Definition at line 27 of file winfiber.h.

Constructor & Destructor Documentation

◆ Context() [1/4]

constexpr zth::Context::Context ( ContextAttr const & attr )

inlineexplicitconstexprnoexcept

Definition at line 62 of file sigaltstack.h.

◆ Context() [2/4]

constexpr zth::Context::Context ( ContextAttr const & attr )

inlineexplicitconstexprnoexcept

Definition at line 25 of file sjlj.h.

◆ Context() [3/4]

constexpr zth::Context::Context ( ContextAttr const & attr )

inlineexplicitconstexprnoexcept

Definition at line 36 of file ucontext.h.

◆ Context() [4/4]

constexpr zth::Context::Context ( ContextAttr const & attr )

inlineexplicitconstexprnoexcept

Definition at line 29 of file winfiber.h.

Member Function Documentation

◆ context_switch() [1/4]

void zth::Context::context_switch ( Context & to )

inlinenoexcept

Definition at line 288 of file sigaltstack.h.

◆ context_switch() [2/4]

void zth::Context::context_switch ( Context & to )

inlinenoexcept

Definition at line 63 of file sjlj.h.

◆ context_switch() [3/4]

void zth::Context::context_switch ( Context & to )

inlinenoexcept

Definition at line 141 of file ucontext.h.

◆ context_switch() [4/4]

void zth::Context::context_switch ( Context & to )

inlinenoexcept

Definition at line 108 of file winfiber.h.

◆ create() [1/4]

int zth::Context::create ( )

inlinenoexcept

Definition at line 148 of file sigaltstack.h.

◆ create() [2/4]

int zth::Context::create ( )

inlinenoexcept

Definition at line 44 of file sjlj.h.

◆ create() [3/4]

int zth::Context::create ( )

inlinenoexcept

Definition at line 89 of file ucontext.h.

◆ create() [4/4]

int zth::Context::create ( )

inlinenoexcept

Definition at line 69 of file winfiber.h.

◆ deinit()

static void zth::Context::deinit ( )

inlinestaticnoexcept

Definition at line 136 of file sigaltstack.h.

◆ deinitStack()

void zth::Context::deinitStack ( Stack & UNUSED_PARstack )

inlinenoexcept

Definition at line 52 of file winfiber.h.

◆ destroy()

void zth::Context::destroy ( )

inlinenoexcept

Definition at line 94 of file winfiber.h.

◆ init() [1/2]

static int zth::Context::init ( )

inlinestaticnoexcept

Definition at line 116 of file sigaltstack.h.

◆ init() [2/2]

static int zth::Context::init ( )

inlinestaticnoexcept

Definition at line 34 of file winfiber.h.

◆ initStack()

int zth::Context::initStack	(	Stack &	UNUSED_PARstack,
		Stack &	UNUSED_PARusable
	)

inlinenoexcept

Definition at line 45 of file winfiber.h.

◆ stackGuardDeinit()

void zth::Context::stackGuardDeinit ( )

inlinenoexcept

Definition at line 60 of file winfiber.h.

◆ stackGuardInit()

int zth::Context::stackGuardInit ( )

inlinenoexcept

Definition at line 54 of file winfiber.h.

◆ valgrindDeregister()

void zth::Context::valgrindDeregister ( )

inlinenoexcept

Definition at line 67 of file winfiber.h.

◆ valgrindRegister()

void zth::Context::valgrindRegister ( )

inlinenoexcept

Definition at line 62 of file winfiber.h.

Member Data Documentation

◆ m_did_trampoline

sig_atomic_t volatile zth::Context::m_did_trampoline

Definition at line 303 of file sigaltstack.h.

◆ m_env

sigjmp_buf zth::Context::m_env

Definition at line 299 of file sigaltstack.h.

◆ m_parent

sigjmp_buf* volatile zth::Context::m_parent

Definition at line 304 of file sigaltstack.h.

◆ m_trampoline_env

jmp_buf zth::Context::m_trampoline_env

Definition at line 298 of file sigaltstack.h.

The documentation for this class was generated from the following files:

include/libzth/context/sigaltstack.h
include/libzth/context/sjlj.h
include/libzth/context/ucontext.h
include/libzth/context/winfiber.h

Public Types

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ base [1/4]

◆ base [2/4]

◆ base [3/4]

◆ base [4/4]

Constructor & Destructor Documentation

◆ Context() [1/4]

◆ Context() [2/4]

◆ Context() [3/4]

◆ Context() [4/4]

Member Function Documentation

◆ context_switch() [1/4]

◆ context_switch() [2/4]

◆ context_switch() [3/4]

◆ context_switch() [4/4]

◆ create() [1/4]

◆ create() [2/4]

◆ create() [3/4]

◆ create() [4/4]

◆ deinit()

◆ deinitStack()

◆ destroy()

◆ init() [1/2]

◆ init() [2/2]

◆ initStack()

◆ stackGuardDeinit()

◆ stackGuardInit()

◆ valgrindDeregister()

◆ valgrindRegister()

Member Data Documentation

◆ m_did_trampoline

◆ m_env

◆ m_parent

◆ m_trampoline_env