kern_context.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/proc.h>
#include <sys/syscallsubr.h>
#include <sys/sysent.h>
#include <sys/systm.h>
#include <sys/sysproto.h>
#include <sys/signalvar.h>
#include <sys/ucontext.h>

Include dependency graph for kern_context.c:

Go to the source code of this file.

Data Structures
struct	getcontext_args
struct	swapcontext_args

Macros
#define	UC_COPY_SIZE   offsetof(ucontext_t, uc_link)

Functions
	__FBSDID ("$BSDSUniX$")
struct swapcontext_args	sys_getcontext (struct thread *td, struct getcontext_args *uap)
int	sys_setcontext (struct thread *td, struct setcontext_args *uap)
int	sys_swapcontext (struct thread *td, struct swapcontext_args *uap)

Variables
struct getcontext_args *	ucp
struct __ucontext *	oucp

Macro Definition Documentation

#define UC_COPY_SIZE   offsetof(ucontext_t, uc_link)

Definition at line 47 of file kern_context.c.

Referenced by sys_getcontext(), sys_setcontext(), and sys_swapcontext().

Function Documentation

__FBSDID

(

"$BSDSUniX$"

)

struct swapcontext_args sys_getcontext	(	struct thread *	td,
		struct getcontext_args *	uap
	)

Definition at line 63 of file kern_context.c.

References UC_COPY_SIZE, and getcontext_args::ucp.

int sys_setcontext	(	struct thread *	td,
		struct setcontext_args *	uap
	)

Definition at line 82 of file kern_context.c.

References kern_sigprocmask(), and UC_COPY_SIZE.

Here is the call graph for this function:

int sys_swapcontext	(	struct thread *	td,
		struct swapcontext_args *	uap
	)

Definition at line 103 of file kern_context.c.

References kern_sigprocmask(), swapcontext_args::oucp, UC_COPY_SIZE, and swapcontext_args::ucp.

Here is the call graph for this function:

Variable Documentation

struct __ucontext* oucp

Definition at line 29 of file kern_context.c.

const struct __ucontext_t * ucp

Definition at line 30 of file kern_context.c.

Referenced by start_init().