void
replymsg(Wsysmsg *m)
{
int n;
static uchar *mbuf;
static int nmbuf;
/* T -> R msg */
if(m->type%2 == 0)
m->type++;
if(trace) fprint(2, "-> %W\n", m);
/* copy to output buffer */
n = sizeW2M(m);
qlock(&replylock);
if(n > nmbuf){
free(mbuf);
mbuf = malloc(n);
if(mbuf == nil)
sysfatal("out of memory");
nmbuf = n;
}
convW2M(m, mbuf, n);
if(write(4, mbuf, n) != n)
sysfatal("write: %r");
qunlock(&replylock);
}
static Muxrpc*
startrpc(int type)
{
uchar buf[100];
Wsysmsg w;
w.type = type;
convW2M(&w, buf, sizeof buf);
return muxrpcstart(display->mux, buf);
}
/*
* Reply to m.
*/
void
replymsg(Wsysmsg *m)
{
int n;
/* T -> R msg */
if(m->type%2 == 0)
m->type++;
/* fprint(2, "-> %W\n", m); */
/* copy to output buffer */
n = sizeW2M(m);
if(fdout.wp+n > fdout.ep)
sysfatal("out of space for reply message");
convW2M(m, fdout.wp, n);
fdout.wp += n;
}
