drawterm/kern/procinit.c

68 lines
1.0 KiB
C

#include "u.h"
#include "lib.h"
#include "dat.h"
#include "fns.h"
#include "error.h"
Rgrp *thergrp;
void
procinit0(void)
{
Proc *p;
p = newproc();
p->fgrp = dupfgrp(nil);
p->rgrp = newrgrp();
p->pgrp = newpgrp();
_setproc(p);
up->slash = namec("#/", Atodir, 0, 0);
cnameclose(up->slash->name);
up->slash->name = newcname("/");
up->dot = cclone(up->slash);
}
Ref pidref;
Proc*
newproc(void)
{
Proc *p;
p = mallocz(sizeof(Proc), 1);
p->pid = incref(&pidref);
strcpy(p->user, eve);
p->syserrstr = p->errbuf0;
p->errstr = p->errbuf1;
strcpy(p->text, "drawterm");
osnewproc(p);
return p;
}
int
kproc(char *name, void (*fn)(void*), void *arg)
{
Proc *p;
p = newproc();
p->fn = fn;
p->arg = arg;
p->slash = cclone(up->slash);
p->dot = cclone(up->dot);
p->rgrp = up->rgrp;
if(p->rgrp)
incref(&p->rgrp->ref);
p->pgrp = up->pgrp;
if(up->pgrp)
incref(&up->pgrp->ref);
p->fgrp = up->fgrp;
if(p->fgrp)
incref(&p->fgrp->ref);
strecpy(p->text, p->text+sizeof p->text, name);
osproc(p);
return p->pid;
}