static void
execproc(void *a)
{
int i, fd;
Client *c;
char tmp[32];
c = a;
snprint(tmp, sizeof tmp, "execproc%d", c->num);
threadsetname(tmp);
if(pipe(c->fd) < 0){
rerrstr(c->err, sizeof c->err);
sendul(c->execpid, -1);
return;
}
rfork(RFFDG);
fd = c->fd[1];
close(c->fd[0]);
dup(fd, 0);
dup(fd, 1);
for(i=3; i<100; i++) /* should do better */
close(i);
strcpy(c->err, "exec failed");
procexecl(c->execpid, "/bin/rc", "rc", "-c", c->cmd, nil);
}
void
decexec(void *a)
{
char buf[256];
Playfd *pfd;
Pacbuf *pb;
threadsetname("decexec");
pfd = a;
close(pfd->cfd); /* read fd */
if(pfd->fd != 1){
dup(pfd->fd, 1);
close(pfd->fd);
}
close(0); open("/dev/null", OREAD);
close(2); open("/dev/null", OWRITE);
strncpy(buf, pfd->filename, sizeof(buf)-1);
buf[sizeof(buf)-1] = 0;
free(pfd->filename);
free(pfd);
procexecl(nil, "/bin/play", "play", "-o", "/fd/1", buf, nil);
if((pb = nbrecvp(spare)) == nil)
pb = malloc(sizeof(Pacbuf));
pb->cmd = Error;
pb->off = 0;
pb->len = snprint(pb->data, sizeof(pb->data), "startplay: exec play failed");
sendp(full, pb);
threadexits("exec");
}
void
execproc(void *v)
{
Channel *sync;
Exec *e;
int p[2], q[2];
char *cmd;
threadsetname("execproc");
e = v;
p[0] = e->p[0];
p[1] = e->p[1];
q[0] = e->q[0];
q[1] = e->q[1];
cmd = e->cmd;
sync = e->sync;
rfork(RFFDG);
free(e);
dup(p[0], 0);
close(p[0]);
close(p[1]);
if(q[0]){
dup(q[1], 1);
close(q[0]);
close(q[1]);
}
if(!procstderr)
close(2);
procexecl(sync, "/bin/rc", "rc", "-c", cmd, 0);
error("can't exec");
}
void
execdiff(void *v)
{
char buf[64];
Diffarg *a;
a = v;
rfork(RFFDG);
close(0);
open("/dev/null", OREAD);
sprint(buf, "/mnt/wsys/%d/body", a->w->win->id);
close(1);
open(buf, OWRITE);
close(2);
open(buf, OWRITE);
sprint(buf, "/mnt/wsys/%d", a->w->win->id);
bind(buf, "/dev", MBEFORE);
procexecl(nil, "/acme/wiki/wiki.diff", "wiki.diff", a->dir, nil);
}
static void
execproc(void *v)
{
Exec *e;
threadsetname("execproc");
e = v;
rfork(RFFDG);
dup(e->p[0], 0);
close(e->p[0]);
close(e->p[1]);
if(e->q[0]) {
dup(e->q[1], 1);
close(e->q[0]);
close(e->q[1]);
}
if(!procstderr)
close(2);
procexecl(e->sync, "/bin/rc", "rc", "-c", e->cmd, nil);
error("can't exec");
}
