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better open mode

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This commit is contained in:
rsc 2006-07-23 03:08:51 +00:00
parent 05f50fe6bf
commit 0d7fd01125
1 changed files with 10 additions and 5 deletions
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15
src/cmd/9pfuse/main.c
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@ -13,8 +13,6 @@
* allocates two more procs, one for reading and one for * allocates two more procs, one for reading and one for
* writing the 9P connection. Thus the many threads in the * writing the 9P connection. Thus the many threads in the
* request proc can do 9P interactions without blocking. * request proc can do 9P interactions without blocking.
*
* TODO: graceful shutdown.
*/ */
#define _GNU_SOURCE 1 /* for O_DIRECTORY on Linux */ #define _GNU_SOURCE 1 /* for O_DIRECTORY on Linux */
@ -515,10 +513,8 @@ _fuseopenfid(uvlong nodeid, int isdir, int openmode, int *err)
newfid = fswalk(fid, nil); newfid = fswalk(fid, nil);
if(newfid == nil){ if(newfid == nil){
*err = errstr2errno(); *err = errstr2errno();
// fsclose(fid);
return nil; return nil;
} }
// fsputfid(fid);
if(fsfopen(newfid, openmode) < 0){ if(fsfopen(newfid, openmode) < 0){
*err = errstr2errno(); *err = errstr2errno();
@ -544,12 +540,21 @@ _fuseopen(FuseMsg *m, int isdir)
CFid *fid; CFid *fid;
int openmode, flags, err; int openmode, flags, err;
/* TODO: better job translating openmode - see lib9 open */
in = m->tx; in = m->tx;
flags = in->flags; flags = in->flags;
openmode = flags&3; openmode = flags&3;
flags &= ~3; flags &= ~3;
flags &= ~(O_DIRECTORY|O_NONBLOCK|O_LARGEFILE); flags &= ~(O_DIRECTORY|O_NONBLOCK|O_LARGEFILE);
if(flags & O_TRUNC){
openmode |= OTRUNC;
flags &= ~O_TRUNC;
}
/*
* Could translate but not standard 9P:
* O_DIRECT -> ODIRECT
* O_NONBLOCK -> ONONBLOCK
* O_APPEND -> OAPPEND
*/
if(flags){ if(flags){
fprint(2, "unexpected open flags %#uo", (uint)in->flags); fprint(2, "unexpected open flags %#uo", (uint)in->flags);
replyfuseerrno(m, EACCES); replyfuseerrno(m, EACCES);