a

kern/procinit.c

@@ -0,0 +1,67 @@
+#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, sizeof p->text, name);
+
+	osproc(p);
+	return p->pid;
+}
+