thread.h File Reference

VM Thread. More...

#include "interp.h"

Go to the source code of this file.

Classes
struct	PmThread_s
Defines
#define	THREAD_RESCHEDULE_FREQUENCY   10
Typedefs
typedef enum PmInterpCtrl_e	PmInterpCtrl_t
typedef enum PmInterpCtrl_e *	pPmInterpCtrl_t
typedef struct PmThread_s	PmThread_t
typedef struct PmThread_s *	pPmThread_t
Enumerations
enum	PmInterpCtrl_e { INTERP_CTRL_ERR = -1, INTERP_CTRL_EXIT = 0, INTERP_CTRL_CONT = 1, INTERP_CTRL_RESCHED = 2 }
Functions
PmReturn_t	thread_new (pPmObj_t pframe, pPmObj_t *r_pobj)

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Detailed Description

VM Thread.

Encapsulating a frame pointer, a root code object and thread state.

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Define Documentation

#define THREAD_RESCHEDULE_FREQUENCY   10

Frequency in Hz to switch threads

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Typedef Documentation

typedef enum PmInterpCtrl_e PmInterpCtrl_t

Interpreter return values

Used to control interpreter loop and indicate return value. Negative values indicate erroneous results. Positive values indicate "continue interpreting", but first do something special like reschedule threads or (TBD) sweep the heap.

typedef struct PmThread_s PmThread_t

Thread obj

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Enumeration Type Documentation

enum PmInterpCtrl_e

Interpreter return values

Used to control interpreter loop and indicate return value. Negative values indicate erroneous results. Positive values indicate "continue interpreting", but first do something special like reschedule threads or (TBD) sweep the heap.

Enumerator:

INTERP_CTRL_ERR	Generic error causes exit
INTERP_CTRL_EXIT	Normal execution exit
INTERP_CTRL_CONT	Continue interpreting
INTERP_CTRL_RESCHED	Reschedule threads

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Function Documentation

PmReturn_t thread_new	(	pPmObj_t	pframe,
		pPmObj_t *	r_pobj
	)

Constructs a thread for a root frame.

Parameters:

	pframe	Frame object as a basis for this thread.
	r_obj	Addr to th newly created thread object.

Returns:

Return status