static int translate(const char *ifile, const char *ofile)
{
struct vector *v = vec_new();
vec_push(v, (char *)ifile);
vec_push_safe(v, (char *)ofile);
return runproc(program, v);
}
void execdllfunc(HSPCTX * hspctx,int cmd,int num,void **args,int *argtypes)
{
STRUCTDAT *st;
int size;
HSPROUTINE *r;
char *p;
STRUCTPRM *prm;
char *out;
st = &hspctx->mem_finfo[cmd];
size = sizeof(HSPROUTINE) + st->size;
r = (HSPROUTINE *)StackPushSize( TYPE_EX_CUSTOMFUNC, size );
p = (char *)(r+1);
prm = &hspctx->mem_minfo[ st->prmindex ];
for(int i=0;i<num;i++)
{
out = p + prm->offset;
switch(argtypes[i])
{
case MPTYPE_STRING://2
{
char *ss;
ss = sbAlloc( (int)strlen(((char*)args[i])+1 ));
strcpy( ss, (char*)args[i] );
*(char **)out = ss;
break;
}
case MPTYPE_DNUM://3
{
memcpy(out, args[i], sizeof(double));
break;
}
case MPTYPE_INUM://4
{
*(int *)out = (int)args[i];
break;
}
}
prm++;
}
r->oldtack = hspctx->prmstack;
hspctx->prmstack = (void *)p;
r->mcsret = code_getpcbak();
r->stacklev = hspctx->sublev++;
r->param = st;
code_setpc((unsigned short *)( hspctx->mem_mcs + (hspctx->mem_ot[ st->otindex ]) ));
runproc();
}
void
sched(void)
{
if(up) {
splhi();
procsave(up);
if(setlabel(&up->sched)) {
/* procrestore(up); */
spllo();
return;
}
gotolabel(&m->sched);
}
up = runproc();
up->state = Running;
up->mach = MACHP(m->machno); /* m might be a fixed address; use MACHP */
m->proc = up;
gotolabel(&up->sched);
}
/*
* refresh all areas that need it
* this entails running a command 'zonerefreshprogram'. This could
* copy over databases from elsewhere or just do a zone transfer.
*/
void
refresh_areas(Area *s)
{
Waitmsg *w;
char *argv[3];
argv[0] = zonerefreshprogram;
argv[1] = "XXX";
argv[2] = nil;
for(; s != nil; s = s->next){
if(!s->needrefresh)
continue;
if(zonerefreshprogram == nil){
s->needrefresh = 0;
continue;
}
argv[1] = s->soarr->owner->name;
w = runproc(argv[0], argv, 0);
free(w);
}
}
int main(int argc, char *argv[]) {
char cmd[MAX_CANON];
int history = 1;
if (argc == 1)
history = 0;
else if ((argc > 2) || strcmp(argv[1], "history")) {
fprintf(stderr, "Usage: %s [history]\n", argv[0]);
return 1;
}
while(fgets(cmd, MAX_CANON, stdin) != NULL) {
if (*(cmd + strlen(cmd) - 1) == '\n')
*(cmd + strlen(cmd) - 1) = 0;
if (history && !strcmp(cmd, "history"))
showhistory(stdout);
else if (runproc(cmd)) {
perror("Failed to execute command");
break;
}
}
printf("\n\n>>>>>>The list of commands executed is:\n");
showhistory(stdout);
return 0;
}
/*
* If changing this routine, look also at sleep(). It
* contains a copy of the guts of sched().
*/
void
sched(void)
{
Proc *p;
if(m->ilockdepth)
panic("cpu%d: ilockdepth %d, last lock %#p at %#p, sched called from %#p",
m->machno,
m->ilockdepth,
up != nil ? up->lastilock: nil,
(up != nil && up->lastilock != nil) ? up->lastilock->pc: 0,
getcallerpc(&p+2));
if(up != nil) {
/*
* Delay the sched until the process gives up the locks
* it is holding. This avoids dumb lock loops.
* Don't delay if the process is Moribund.
* It called sched to die.
* But do sched eventually. This avoids a missing unlock
* from hanging the entire kernel.
* But don't reschedule procs holding palloc or procalloc.
* Those are far too important to be holding while asleep.
*
* This test is not exact. There can still be a few instructions
* in the middle of taslock when a process holds a lock
* but Lock.p has not yet been initialized.
*/
if(up->nlocks)
if(up->state != Moribund)
if(up->delaysched < 20
|| palloc.Lock.p == up
|| procalloc.Lock.p == up){
up->delaysched++;
delayedscheds++;
return;
}
up->delaysched = 0;
splhi();
/* statistics */
m->cs++;
procsave(up);
if(setlabel(&up->sched)){
procrestore(up);
spllo();
return;
}
gotolabel(&m->sched);
}
p = runproc();
if(p->edf == nil){
updatecpu(p);
p->priority = reprioritize(p);
}
if(p != m->readied)
m->schedticks = m->ticks + HZ/10;
m->readied = nil;
up = p;
up->state = Running;
up->mach = MACHP(m->machno);
m->proc = up;
mmuswitch(up);
gotolabel(&up->sched);
}
int main(int argc, char *argv[]) {
/* Allocate enough space on the stack
* for a long command
*/
char cmd[MAX_CANON];
int history = 1;
/* The command was executed without arguments */
if (argc == 1) {
history = 0;
}
else if ((argc > 2) || strcmp(argv[1], "history")) {
/* Either too many arguments given, or the
* command was not executed with "history"
* as the first parameter.
*
* Print a usage message to stderr, and exit with
* return value 1.
*/
fprintf(stderr, "Usage: %s [history]\n", argv[0]);
return 1;
}
/* Read from stdin until we get to EOF, '\n', or
* MAX_CANON - 1, and store what was read into
* cmd.
*
* If fgets() fails, it will return NULL, and so
* its return value is properly checked here.
*/
while (fgets(cmd, MAX_CANON, stdin) != NULL) {
/* We are not assuming that a new line character
* is read to avoid input truncation.
*
* If a newline character was read, then NULL
* terminate the string by overwriting '\n' with 0.
*/
if (*(cmd + strlen(cmd) - 1) == '\n') {
*(cmd + strlen(cmd) - 1) = 0;
}
/*
* If the history command was read, and the history
* flag was set as an argument, the print the history
* to stdout.
*/
if (history && !strcmp(cmd, "history")) {
showhistory(stdout);
}
/* Otherwise, run the command.
*
* There's a bug here. An error won't be detected
* if runproc() does not return 0. This can happen
* if, for example, time() returns -1.
*/
else if (runproc(cmd)) {
perror("Failed to execute command");
break;
}
}
/* We're done executing user commands.
* Show the command history and exit with
* return value 0.
*/
printf("\n\n>>>>>The list of commands executed is:\n");
showhistory(stdout);
return 0;
}
/*
* If changing this routine, look also at sleep(). It
* contains a copy of the guts of sched().
*/
void
sched(void)
{
Mach *m = machp();
Proc *p;
if(m->ilockdepth)
panic("cpu%d: ilockdepth %d, last lock %#p at %#p, sched called from %#p",
m->machno,
m->ilockdepth,
m->externup? m->externup->lastilock: nil,
(m->externup && m->externup->lastilock)? m->externup->lastilock->_pc: 0,
getcallerpc(&p+2));
kstackok();
if(m->externup){
/*
* Delay the sched until the process gives up the locks
* it is holding. This avoids dumb lock loops.
* Don't delay if the process is Moribund.
* It called sched to die.
* But do sched eventually. This avoids a missing unlock
* from hanging the entire kernel.
* But don't reschedule procs holding palloc or procalloc.
* Those are far too important to be holding while asleep.
*
* This test is not exact. There can still be a few
* instructions in the middle of taslock when a process
* holds a lock but Lock.p has not yet been initialized.
*/
if(m->externup->nlocks)
if(m->externup->state != Moribund)
if(m->externup->delaysched < 20
|| pga.Lock.p == m->externup
|| procalloc.Lock.p == m->externup){
m->externup->delaysched++;
run.delayedscheds++;
return;
}
m->externup->delaysched = 0;
splhi();
/* statistics */
if(m->externup->nqtrap == 0 && m->externup->nqsyscall == 0)
m->externup->nfullq++;
m->cs++;
procsave(m->externup);
mmuflushtlb(m->pml4->pa);
if(setlabel(&m->externup->sched)){
procrestore(m->externup);
spllo();
return;
}
/*debug*/gotolabel(&m->sched);
}
m->inidle = 1;
p = runproc(); /* core 0 never returns */
m->inidle = 0;
if(!p->edf){
updatecpu(p);
p->priority = reprioritize(p);
}
if(nosmp){
if(p != m->readied)
m->schedticks = m->ticks + HZ/10;
m->readied = 0;
}
m->externup = p;
m->qstart = m->ticks;
m->externup->nqtrap = 0;
m->externup->nqsyscall = 0;
m->externup->state = Running;
//m->externup->mach = m;
m->externup->mach = sys->machptr[m->machno];
m->proc = m->externup;
// iprint("m->externup->sched.sp %p * %p\n", up->sched.sp,
// *(void **) m->externup->sched.sp);
mmuswitch(m->externup);
assert(!m->externup->wired || m->externup->wired == m);
if (0) hi("gotolabel\n");
/*debug*/gotolabel(&m->externup->sched);
}
