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This commit is contained in:
Jorrit Herder
2005-05-02 14:30:04 +00:00
parent da1ea8dc45
commit ac0995259d
37 changed files with 187 additions and 489 deletions
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kernel/system/misc.c
+9 -44
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@@ -1,47 +1,8 @@
/* The system call implemented in this file:
* m_type: SYS_TIMES
*
* The parameters for this system call are:
* m4_l1: T_PROC_NR (get info for this process)
* m4_l1: T_USER_TIME (return values ...)
* m4_l2: T_SYSTEM_TIME
* m4_l3: T_CHILD_UTIME
* m4_l4: T_CHILD_STIME
* m4_l5: T_BOOT_TICKS
*/
#include "../kernel.h"
#include "../system.h"
#include <unistd.h>
INIT_ASSERT
/*===========================================================================*
* do_times *
*===========================================================================*/
PUBLIC int do_times(m_ptr)
register message *m_ptr; /* pointer to request message */
{
/* Handle sys_times(). Retrieve the accounting information. */
register struct proc *rp;
int proc_nr;
/* Insert the times needed by the SYS_TIMES system call in the message. */
proc_nr = (m_ptr->T_PROC_NR == SELF) ? m_ptr->m_source : m_ptr->T_PROC_NR;
if (isokprocn(proc_nr)) {
rp = proc_addr(m_ptr->T_PROC_NR);
lock(); /* halt the volatile time counters in rp */
m_ptr->T_USER_TIME = rp->user_time;
m_ptr->T_SYSTEM_TIME = rp->sys_time;
unlock();
m_ptr->T_CHILD_UTIME = rp->child_utime;
m_ptr->T_CHILD_STIME = rp->child_stime;
}
m_ptr->T_BOOT_TICKS = get_uptime();
return(OK);
}
/*===========================================================================*
* do_unused *
@@ -119,8 +80,6 @@ message *m_ptr; /* pointer to request message */
* Jorrit N. Herder <jnherder@cs.vu.nl>
*/
/*===========================================================================*
* do_getinfo *
*===========================================================================*/
@@ -150,9 +109,9 @@ register message *m_ptr; /* pointer to request message */
src_phys = vir2phys(image);
break;
}
case GET_IRQTAB: {
length = sizeof(struct irqtab) * NR_IRQ_VECTORS;
src_phys = vir2phys(irqtab);
case GET_IRQHOOKS: {
length = sizeof(struct irq_hook) * NR_IRQ_HOOKS;
src_phys = vir2phys(irq_hooks);
break;
}
case GET_MEMCHUNKS: {
@@ -200,6 +159,7 @@ register message *m_ptr; /* pointer to request message */
} else { /* lookup nr by name */
int proc_found = FALSE;
struct proc *pp;
struct vir_addr vsrc, vdst;
char key[8]; /* storage for process name to lookup */
#if DEAD_CODE
/* GET_PROCNR functionality will be moved to the Process Manager! */
@@ -207,8 +167,13 @@ register message *m_ptr; /* pointer to request message */
#endif
proc_nr = m_ptr->m_source; /* only caller can request copy */
if (m_ptr->I_KEY_LEN > sizeof(key)) return(EINVAL);
vsrc.proc_nr = proc_nr; vsrc.segment = D; vsrc.offset = (vir_bytes) m_ptr->I_KEY_PTR;
vdst.proc_nr = SYSTASK, vdst.segment = D; vdst.offset = (vir_bytes) key;
if (virtual_copy(&vsrc, &vdst, m_ptr->I_KEY_LEN) != OK) return(EFAULT);
#if DEAD_CODE
if (vir_copy(proc_nr, (vir_bytes) m_ptr->I_KEY_PTR, SYSTASK,
(vir_bytes) key, m_ptr->I_KEY_LEN) != OK) return(EFAULT);
#endif
for (pp=BEG_PROC_ADDR; pp<END_PROC_ADDR; pp++) {
if (kstrncmp(pp->p_name, key, m_ptr->I_KEY_LEN) == 0) {
src_phys = vir2phys(&(pp->p_nr));