diff options
Diffstat (limited to 'include/spl/sys/tsd.h')
-rw-r--r-- | include/spl/sys/tsd.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/spl/sys/tsd.h b/include/spl/sys/tsd.h new file mode 100644 index 000000000..39a291bf3 --- /dev/null +++ b/include/spl/sys/tsd.h @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2010 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf <behlendorf1@llnl.gov>. + * UCRL-CODE-235197 + * + * This file is part of the SPL, Solaris Porting Layer. + * For details, see <http://zfsonlinux.org/>. + * + * The SPL is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * The SPL is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with the SPL. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef _SPL_TSD_H +#define _SPL_TSD_H + +#include <sys/types.h> + +#define TSD_HASH_TABLE_BITS_DEFAULT 9 +#define TSD_KEYS_MAX 32768 +#define DTOR_PID (PID_MAX_LIMIT+1) +#define PID_KEY (TSD_KEYS_MAX+1) + +typedef void (*dtor_func_t)(void *); + +extern int tsd_set(uint_t, void *); +extern void *tsd_get(uint_t); +extern void *tsd_get_by_thread(uint_t, kthread_t *); +extern void tsd_create(uint_t *, dtor_func_t); +extern void tsd_destroy(uint_t *); +extern void tsd_exit(void); + +int spl_tsd_init(void); +void spl_tsd_fini(void); + +#endif /* _SPL_TSD_H */ |