static void
readthread(void *a)
{
uint8_t *buf;
int n;
Client *c;
Ioproc *io;
Msg *m;
char tmp[32];
c = a;
snprint(tmp, sizeof tmp, "read%d", c->num);
threadsetname(tmp);
buf = emalloc(8192);
io = c->readerproc;
while((n = ioread(io, c->fd[0], buf, 8192)) >= 0){
m = emalloc(sizeof(Msg)+n);
m->rp = (uint8_t*)&m[1];
m->ep = m->rp + n;
if(n)
memmove(m->rp, buf, n);
queuemsg(c, m);
matchmsgs(c);
}
queuemsg(c, Zmsg);
free(buf);
die(c);
}
/*===========================================================================*
* fs_sendrec *
*===========================================================================*/
int fs_sendrec(endpoint_t fs_e, message *reqmp)
{
struct vmnt *vmp;
int r;
if ((vmp = find_vmnt(fs_e)) == NULL) {
printf("Trying to talk to non-existent FS endpoint %d\n", fs_e);
return(EIO);
}
if (fs_e == fp->fp_endpoint) return(EDEADLK);
self->w_sendrec = reqmp; /* Where to store request and reply */
/* Find out whether we can send right away or have to enqueue */
if ( !(vmp->m_flags & VMNT_CALLBACK) &&
vmp->m_comm.c_cur_reqs < vmp->m_comm.c_max_reqs) {
/* There's still room to send more and no proc is queued */
r = sendmsg(vmp, vmp->m_fs_e, self);
} else {
r = queuemsg(vmp);
}
self->w_next = NULL; /* End of list */
if (r != OK) return(r);
worker_wait(); /* Yield execution until we've received the reply. */
return(reqmp->m_type);
}
