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#include <u.h>
#include <libc.h>
int chattyfuse;
int
post9pservice(int fd, char *name, char *mtpt)
{
int i, pid;
char *ns, *addr;
Waitmsg *w;
if(name == nil && mtpt == nil){
close(fd);
werrstr("nothing to do");
return -1;
}
if(name){
if(strchr(name, '!')) /* assume is already network address */
addr = strdup(name);
else{
if((ns = getns()) == nil)
return -1;
addr = smprint("unix!%s/%s", ns, name);
free(ns);
}
if(addr == nil)
return -1;
switch(pid = fork()){
case -1:
return -1;
case 0:
dup(fd, 0);
dup(fd, 1);
for(i=3; i<20; i++)
close(i);
execlp("9pserve", "9pserve", "-u", addr, (char*)0);
fprint(2, "exec 9pserve: %r\n");
_exits("exec");
}
close(fd);
w = waitfor(pid);
if(w == nil)
return -1;
if(w->msg && w->msg[0]){
free(w);
werrstr("9pserve failed");
return -1;
}
free(w);
if(mtpt){
/* reopen */
if((fd = dial(addr, nil, nil, nil)) < 0){
werrstr("cannot reopen for mount: %r");
return -1;
}
}
free(addr);
}
if(mtpt){
switch(pid = rfork(RFFDG|RFPROC|RFNOWAIT)){
case -1:
return -1;
case 0:
dup(fd, 0);
for(i=3; i<20; i++)
close(i);
/* Try v9fs on Linux, which will mount 9P directly. */
execlp("mount9p", "mount9p", "-", mtpt, (char*)0);
if(chattyfuse)
execlp("9pfuse", "9pfuse", "-D", "-", mtpt, (char*)0);
else
execlp("9pfuse", "9pfuse", "-", mtpt, (char*)0);
fprint(2, "exec 9pfuse: %r\n");
_exits("exec");
}
close(fd);
}
return 0;
}
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