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