diff options
| -rw-r--r-- | libnetfs/io-write.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/libnetfs/io-write.c b/libnetfs/io-write.c index 1341c47a..7e452ede 100644 --- a/libnetfs/io-write.c +++ b/libnetfs/io-write.c @@ -19,17 +19,30 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ #include "netfs.h" +#include "io_S.h" error_t netfs_S_io_write (struct protid *user, char *data, - mach_msg_number_t datalen, + mach_msg_type_number_t datalen, off_t offset, - mach_msg_number_t *amount) + mach_msg_type_number_t *amount) { + error_t err; + if (!user) return EOPNOTSUPP; - return netfs_attempt_write (user->credential, user->po->np, - offset, amount, data); + mutex_lock (&user->po->np->lock); + *amount = datalen; + err = netfs_attempt_write (user->credential, user->po->np, + offset == -1 ? user->po->filepointer : offset, + amount, data); + if (offset == -1 && !err) + user->po->filepointer += *amount; + mutex_unlock (&user->po->np->lock); + + return err; } + + |