diff options
Diffstat (limited to 'libtrivfs/trivfs.h')
| -rw-r--r-- | libtrivfs/trivfs.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/libtrivfs/trivfs.h b/libtrivfs/trivfs.h index 8beea672..830c4ac4 100644 --- a/libtrivfs/trivfs.h +++ b/libtrivfs/trivfs.h @@ -30,6 +30,8 @@ struct trivfs_protid uid_t *uids, *gids; int nuids, ngids; int isroot; + /* REALNODE will be null if this protid wasn't fully created (currently + only in the case where trivfs_protid_create_hook returns an error). */ mach_port_t realnode; /* restricted permissions */ void *hook; /* for user use */ struct trivfs_peropen *po; @@ -92,11 +94,11 @@ error_t (*trivfs_check_open_hook) (struct trivfs_control *cntl, /* If this variable is set, it is called every time a new protid structure is created and initialized. */ -void (*trivfs_protid_create_hook) (struct trivfs_protid *); +error_t (*trivfs_protid_create_hook) (struct trivfs_protid *); /* If this variable is set, it is called every time a new peropen structure is created and initialized. */ -void (*trivfs_peropen_create_hook) (struct trivfs_peropen *); +error_t (*trivfs_peropen_create_hook) (struct trivfs_peropen *); /* If this variable is set, it is called every time a protid structure is about to be destroyed. */ @@ -138,6 +140,22 @@ void trivfs_clean_cntl (void *); /* This demultiplees messages for trivfs ports. */ int trivfs_demuxer (mach_msg_header_t *, mach_msg_header_t *); +/* Return a new protid pointing to a new peropen in CRED, with REALNODE as + the underlying node reference, with the given identity, and open flags in + FLAGS. CNTL is the trivfs control object. */ +error_t trivfs_open (struct trivfs_control *fsys, + uid_t *uids, unsigned num_uids, + gid_t *gids, unsigned num_gids, + unsigned flags, + mach_port_t realnode, + struct trivfs_protid **cred); + +/* Return a duplicate of CRED in DUP, sharing the same peropen and hook. A + non-null hook may be used to detect that this is a duplicate by + trivfs_peropen_create_hook. */ +error_t trivfs_protid_dup (struct trivfs_protid *cred, + struct trivfs_protid **dup); + /* The user must define this function. Someone wants the filesystem to go away. FLAGS are from the set FSYS_GOAWAY_*; REALNODE, CNTLTYPE, and PROTIDTYPE are as from the trivfs_handle_port |