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process Struct Reference
[KERNEL component]

process/thread table entry. More...

#include <schedule.h>

Collaboration diagram for process:

[legend]List of all members.

Public Attributes
reglist	regs
	This is the current state of the registers that is not kept on the stack. More...
void *	stack
	This is the initial stack pointer, it is used to free() the stack after the process exits. More...
char	state
	This keeps the STATE_xxx-value. More...
char	irq
	irq level for the thread. currently not used. More...
int	signal
	incomming signal flags. More...
int	mask
	masked signals. Only signals with ther mask bit set can be received. More...
int	ppid
	parent thread id, just for reference, SIGCHILD is not implemented. More...
_reent	reent
	reentrance structure of newlibc for this thread. More...
int	message
	incomming message field. 0 means no message pending. More...
sem_t *	sem
	pointer to the semaphore the thread is currently waiting for. More...
unsigned int	time_delta
int	prio
	thread priority field. More...
entry	me
	This field is used for all list-like things like the delta list and semaphores. More...
int	pid
	to find the process id from a pointer to the process table entry. More...
int	next

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Detailed Description

process/thread table entry.

The process table entry contains all information the scheduler needs to schedule and all information, the context switch needs to switch. And some more...

Definition at line 43 of file schedule.h.

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Member Data Documentation

char process::irq

irq level for the thread. currently not used. Definition at line 47 of file schedule.h. Referenced by KERN_create_prio.

int process::mask

masked signals. Only signals with ther mask bit set can be received. Definition at line 49 of file schedule.h.

entry process::me

This field is used for all list-like things like the delta list and semaphores. Definition at line 57 of file schedule.h. Referenced by KERN_psleep, KERN_schedinit, and KERN_suspend.

int process::message

incomming message field. 0 means no message pending. Definition at line 52 of file schedule.h.

int process::next

Definition at line 59 of file schedule.h. Referenced by KERN_create_prio, and KERN_psleep.

int process::pid

to find the process id from a pointer to the process table entry. Definition at line 58 of file schedule.h. Referenced by KERN_schedinit.

int process::ppid

parent thread id, just for reference, SIGCHILD is not implemented. Definition at line 50 of file schedule.h. Referenced by KERN_create_prio, and KERN_schedinit.

int process::prio

thread priority field. Definition at line 56 of file schedule.h. Referenced by KERN_create_prio, and KERN_schedinit.

struct _reent process::reent

reentrance structure of newlibc for this thread. Definition at line 51 of file schedule.h. Referenced by KERN_schedinit, and KERN_schedule.

reglist process::regs

This is the current state of the registers that is not kept on the stack. Definition at line 44 of file schedule.h. Referenced by KERN_create_prio, and KERN_schedinit.

struct sem_t* process::sem

pointer to the semaphore the thread is currently waiting for. Definition at line 53 of file schedule.h.

int process::signal

incomming signal flags. Definition at line 48 of file schedule.h. Referenced by _KERN_taskend, KERN_create_prio, KERN_schedinit, and KERN_schedule.

void* process::stack

This is the initial stack pointer, it is used to free() the stack after the process exits. Definition at line 45 of file schedule.h. Referenced by KERN_create_prio, and KERN_schedinit.

char process::state

This keeps the STATE_xxx-value. Definition at line 46 of file schedule.h. Referenced by KERN_create_prio, KERN_schedinit, KERN_schedule, KERN_suspend, and KERN_wakeup.

unsigned int process::time_delta

delta time before this thread has to be woken up. This is a delta and only makes sense in context of the delta queue Definition at line 54 of file schedule.h. Referenced by KERN_create_prio, and KERN_psleep.

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The documentation for this struct was generated from the following file:

• /projects/cubeos/src_current/kernel/schedule.h

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