diff options
Diffstat (limited to 'usr/src/lib/libc/inc/mtlib.h')
| -rw-r--r-- | usr/src/lib/libc/inc/mtlib.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/usr/src/lib/libc/inc/mtlib.h b/usr/src/lib/libc/inc/mtlib.h new file mode 100644 index 0000000000..c83e8c3c24 --- /dev/null +++ b/usr/src/lib/libc/inc/mtlib.h @@ -0,0 +1,153 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2005 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _MTLIB_H +#define _MTLIB_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <thread.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* these are private to the library */ +extern int primary_link_map; +extern int _private_mutex_init(mutex_t *, int, void *); +extern int _private_mutex_destroy(mutex_t *); +extern int _private_mutex_lock(mutex_t *); +extern int _private_mutex_trylock(mutex_t *); +extern int _private_mutex_unlock(mutex_t *); +#define rmutex_lock _private_mutex_lock +#define rmutex_trylock _private_mutex_trylock +#define rmutex_unlock _private_mutex_unlock +extern void lmutex_lock(mutex_t *); +extern void lmutex_unlock(mutex_t *); +extern int __rwlock_init(rwlock_t *, int, void *); +extern int __rwlock_destroy(rwlock_t *); +extern int __rw_rdlock(rwlock_t *); +extern int __rw_wrlock(rwlock_t *); +extern int __rw_tryrdlock(rwlock_t *); +extern int __rw_trywrlock(rwlock_t *); +extern int __rw_unlock(rwlock_t *); +extern void lrw_rdlock(rwlock_t *); +extern void lrw_wrlock(rwlock_t *); +extern void lrw_unlock(rwlock_t *); + +/* the rest are public functions */ +extern int _mutex_init(mutex_t *, int, void *); +extern int _mutex_destroy(mutex_t *); +extern int _mutex_lock(mutex_t *); +extern int _mutex_trylock(mutex_t *); +extern int _mutex_unlock(mutex_t *); +extern int __mutex_init(mutex_t *, int, void *); +extern int __mutex_destroy(mutex_t *); +extern int __mutex_lock(mutex_t *); +extern int __mutex_trylock(mutex_t *); +extern int __mutex_unlock(mutex_t *); + +extern int _cond_init(cond_t *, int, void *); +extern int _cond_destroy(cond_t *); +extern int _cond_wait(cond_t *, mutex_t *); +extern int _cond_timedwait(cond_t *, mutex_t *, const timespec_t *); +extern int _cond_reltimedwait(cond_t *, mutex_t *, const timespec_t *); +extern int _cond_signal(cond_t *); +extern int _cond_broadcast(cond_t *); + +extern int _rwlock_init(rwlock_t *, int, void *); +extern int _rwlock_destroy(rwlock_t *); +extern int _rw_rdlock(rwlock_t *); +extern int _rw_wrlock(rwlock_t *); +extern int _rw_tryrdlock(rwlock_t *); +extern int _rw_trywrlock(rwlock_t *); +extern int _rw_unlock(rwlock_t *); + +extern int _thr_main(void); +extern thread_t _thr_self(void); +extern void _thr_exit(void *); +extern size_t _thr_min_stack(void); +extern int _thr_kill(thread_t, int); +extern int _thr_keycreate(thread_key_t *, void (*)(void *)); +extern int _thr_setspecific(thread_key_t, void *); +extern int _thr_getspecific(thread_key_t, void **); +extern void *_pthread_getspecific(thread_key_t); + +#if defined(THREAD_DEBUG) +extern void assert_no_libc_locks_held(void); +#else +#define assert_no_libc_locks_held() +#endif + +#define _FWRITE _fwrite_unlocked +#define FILENO(s) _fileno_unlocked(s) +#define FEOF(s) _feof_unlocked(s) +#define FERROR(s) _ferror_unlocked(s) +#define CLEARERR(s) _clearerr_unlocked(s) +#define GETC(s) _getc_unlocked(s) +#define UNGETC(c, s) _ungetc_unlocked(c, s) +#define PUTC(c, s) _putc_unlocked(c, s) +#define GETWC(s) getwc(s) +#define PUTWC(c, s) putwc(c, s) + +/* + * Cheap check to tell if stdio needs to lock for MT progs. + * Referenced directly in port/stdio/flush.c and FLOCKFILE and + * FUNLOCKFILE macros. __threaded gets set to 1 when the first + * thread (beyond the main thread) is created in _thrp_create(). + */ +extern int __threaded; + +#define FILELOCKING(iop) (GET_IONOLOCK(iop) == 0) + +#define FLOCKFILE(lk, iop) \ + { \ + if (__threaded && FILELOCKING(iop)) \ + lk = _flockget((iop)); \ + else \ + lk = NULL; \ + } + +#define FUNLOCKFILE(lk) \ + { \ + if (lk != NULL) \ + _flockrel(lk); \ + } + +#define FLOCKRETURN(iop, ret) \ + { int r; \ + rmutex_t *lk; \ + FLOCKFILE(lk, iop); \ + r = (ret); \ + FUNLOCKFILE(lk); \ + return (r); \ + } + +#ifdef __cplusplus +} +#endif + +#endif /* _MTLIB_H */ |