diff options
Diffstat (limited to 'libdiskfs')
| -rw-r--r-- | libdiskfs/diskfs.h | 7 | ||||
| -rw-r--r-- | libdiskfs/peropen-make.c | 2 | ||||
| -rw-r--r-- | libdiskfs/peropen-rele.c | 21 | ||||
| -rw-r--r-- | libdiskfs/protid-make.c | 8 |
4 files changed, 19 insertions, 19 deletions
diff --git a/libdiskfs/diskfs.h b/libdiskfs/diskfs.h index 8151ddc1..ae1a1502 100644 --- a/libdiskfs/diskfs.h +++ b/libdiskfs/diskfs.h @@ -28,6 +28,7 @@ #include <hurd/iohelp.h> #include <idvec.h> #include <features.h> +#include <refcount.h> #ifdef DISKFS_DEFINE_EXTERN_INLINE #define DISKFS_EXTERN_INLINE @@ -57,7 +58,7 @@ struct peropen { int filepointer; int lock_status; - int refcnt; + refcount_t refcnt; int openstat; struct node *np; @@ -792,12 +793,12 @@ diskfs_create_node (struct node *dir, const char *name, mode_t mode, struct dirstat *ds); /* Create and return a protid for an existing peropen PO in CRED, - referring to user USER. The node PO->np must be locked. */ + referring to user USER. */ error_t diskfs_create_protid (struct peropen *po, struct iouser *user, struct protid **cred); /* Build and return in CRED a protid which has no user identification, for - peropen PO. The node PO->np must be locked. */ + peropen PO. */ error_t diskfs_start_protid (struct peropen *po, struct protid **cred); /* Finish building protid CRED started with diskfs_start_protid; diff --git a/libdiskfs/peropen-make.c b/libdiskfs/peropen-make.c index eba037ff..6d5ca014 100644 --- a/libdiskfs/peropen-make.c +++ b/libdiskfs/peropen-make.c @@ -31,7 +31,7 @@ diskfs_make_peropen (struct node *np, int flags, struct peropen *context, po->filepointer = 0; po->lock_status = LOCK_UN; - po->refcnt = 0; + refcount_init (&po->refcnt, 0); po->openstat = flags; po->np = np; po->path = NULL; diff --git a/libdiskfs/peropen-rele.c b/libdiskfs/peropen-rele.c index d3f74921..877137bb 100644 --- a/libdiskfs/peropen-rele.c +++ b/libdiskfs/peropen-rele.c @@ -22,13 +22,8 @@ void diskfs_release_peropen (struct peropen *po) { - pthread_mutex_lock (&po->np->lock); - - if (--po->refcnt) - { - pthread_mutex_unlock (&po->np->lock); - return; - } + if (refcount_deref (&po->refcnt) > 0) + return; if (po->root_parent) mach_port_deallocate (mach_task_self (), po->root_parent); @@ -40,10 +35,14 @@ diskfs_release_peropen (struct peropen *po) mach_port_deallocate (mach_task_self (), po->shadow_root_parent); if (po->lock_status != LOCK_UN) - fshelp_acquire_lock (&po->np->userlock, &po->lock_status, - &po->np->lock, LOCK_UN); - - diskfs_nput (po->np); + { + pthread_mutex_lock (&po->np->lock); + fshelp_acquire_lock (&po->np->userlock, &po->lock_status, + &po->np->lock, LOCK_UN); + diskfs_nput (po->np); + } + else + diskfs_nrele (po->np); free (po->path); free (po); diff --git a/libdiskfs/protid-make.c b/libdiskfs/protid-make.c index b39b92af..22aaa2e1 100644 --- a/libdiskfs/protid-make.c +++ b/libdiskfs/protid-make.c @@ -20,7 +20,7 @@ #include <assert.h> /* Build and return in CRED a protid which has no user identification, for - peropen PO. The node PO->np must be locked. */ + peropen PO. */ error_t diskfs_start_protid (struct peropen *po, struct protid **cred) { @@ -29,7 +29,7 @@ diskfs_start_protid (struct peropen *po, struct protid **cred) sizeof (struct protid), cred); if (! err) { - po->refcnt++; + refcount_ref (&po->refcnt); (*cred)->po = po; (*cred)->shared_object = MACH_PORT_NULL; (*cred)->mapped = 0; @@ -55,8 +55,8 @@ diskfs_finish_protid (struct protid *cred, struct iouser *user) assert_perror (err); } -/* Create and return a protid for an existing peropen PO in CRED for USER. - The node PO->np must be locked. */ +/* Create and return a protid for an existing peropen PO in CRED for + USER. */ error_t diskfs_create_protid (struct peropen *po, struct iouser *user, struct protid **cred) |