port_scheduler.c File Reference

#include <isix/config.h>
#include <isix/printk.h>
#include <isix/types.h>
#include <prv/scheduler.h>
#include <ucontext.h>
#include <sys/types.h>
#include <sys/time.h>
#include <signal.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>

Include dependency graph for simunix-x86/port_scheduler.c:

Go to the source code of this file.

Defines
#define	STACK_SIZE   (256*1024)
Functions
unsigned long *	isixp_task_init_stack (unsigned long *sp, task_func_ptr_t pfun, void *param)
static void	unused_func (void)
void	isix_systime_handler (void)
void	port_set_interrupt_mask (void)
void	port_clear_interrupt_mask (void)
void	port_yield (void)
static void	timer_interrupt (int j, siginfo_t *si, void *old_context)
static void	setup_signals (void)
void	port_start_first_task (void)
void	port_cleanup_task (void *sp)
Variables
static ucontext_t	signal_context
static void *	signal_stack
static sigset_t	sigblock_mask

---

Define Documentation

#define STACK_SIZE   (256*1024)

Definition at line 16 of file simunix-x86/port_scheduler.c.

Referenced by isixp_task_init_stack(), port_start_first_task(), and timer_interrupt().

---

Function Documentation

void isix_systime_handler

(

void

)

Definition at line 52 of file simunix-x86/port_scheduler.c.

References isix_systime_handler(), isixp_enter_critical(), isixp_exit_critical(), isixp_schedule_time(), and isix::port_yield().

unsigned long* isixp_task_init_stack	(	unsigned long *	sp,
		task_func_ptr_t	pfun,
		void *	param
	)

Definition at line 24 of file simunix-x86/port_scheduler.c.

References INITIAL_XPSR, NULL, and STACK_SIZE.

void port_cleanup_task

(

void *

sp

)

Definition at line 173 of file simunix-x86/port_scheduler.c.

References free, and signal_context.

Referenced by cleanup_tasks().

void port_clear_interrupt_mask

(

void

)

Definition at line 82 of file simunix-x86/port_scheduler.c.

References NULL, and sigblock_mask.

Referenced by isixp_exit_critical().

void port_set_interrupt_mask

(

void

)

Definition at line 72 of file simunix-x86/port_scheduler.c.

References NULL, and sigblock_mask.

Referenced by isixp_enter_critical().

void port_start_first_task

(

void

)

Definition at line 143 of file simunix-x86/port_scheduler.c.

References isix_current_task, isixp_schedule(), NULL, setup_signals(), sigblock_mask, signal_stack, STACK_SIZE, and task_struct::top_stack.

Referenced by isix_start_scheduler().

void port_yield

(

void

)

Definition at line 92 of file simunix-x86/port_scheduler.c.

References isix_current_task, isixp_schedule(), and task_struct::top_stack.

Referenced by isix_systime_handler(), and isix::isix_yield().

static void setup_signals

(

void

)

[static]

Definition at line 129 of file simunix-x86/port_scheduler.c.

References NULL, and timer_interrupt().

Referenced by port_start_first_task().

static void timer_interrupt	(	int	j,
		siginfo_t *	si,
		void *	old_context
	)		[static]

Definition at line 106 of file simunix-x86/port_scheduler.c.

References isix_current_task, isix_scheduler_running, signal_context, signal_stack, STACK_SIZE, and task_struct::top_stack.

Referenced by setup_signals().

static void unused_func

(

void

)

[static]

Definition at line 51 of file simunix-x86/port_scheduler.c.

---

Variable Documentation

sigset_t sigblock_mask [static]

Definition at line 21 of file simunix-x86/port_scheduler.c.

Referenced by port_clear_interrupt_mask(), port_set_interrupt_mask(), and port_start_first_task().

ucontext_t signal_context [static]

Definition at line 19 of file simunix-x86/port_scheduler.c.

Referenced by port_cleanup_task(), and timer_interrupt().

void* signal_stack [static]

Definition at line 20 of file simunix-x86/port_scheduler.c.

Referenced by port_start_first_task(), and timer_interrupt().