10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 51672Sraf * Common Development and Distribution License (the "License"). 61672Sraf * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 211343Sraf 220Sstevel@tonic-gate /* 235891Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 240Sstevel@tonic-gate * Use is subject to license terms. 250Sstevel@tonic-gate */ 260Sstevel@tonic-gate 270Sstevel@tonic-gate #ifndef _MTLIB_H 280Sstevel@tonic-gate #define _MTLIB_H 290Sstevel@tonic-gate 300Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 310Sstevel@tonic-gate 320Sstevel@tonic-gate #include <thread.h> 330Sstevel@tonic-gate 340Sstevel@tonic-gate #ifdef __cplusplus 350Sstevel@tonic-gate extern "C" { 360Sstevel@tonic-gate #endif 370Sstevel@tonic-gate 380Sstevel@tonic-gate /* these are private to the library */ 390Sstevel@tonic-gate extern int primary_link_map; 400Sstevel@tonic-gate extern void lmutex_lock(mutex_t *); 410Sstevel@tonic-gate extern void lmutex_unlock(mutex_t *); 420Sstevel@tonic-gate extern void lrw_rdlock(rwlock_t *); 430Sstevel@tonic-gate extern void lrw_wrlock(rwlock_t *); 440Sstevel@tonic-gate extern void lrw_unlock(rwlock_t *); 452248Sraf extern void sig_mutex_lock(mutex_t *); 462248Sraf extern void sig_mutex_unlock(mutex_t *); 472248Sraf extern int sig_mutex_trylock(mutex_t *); 482248Sraf extern int sig_cond_wait(cond_t *, mutex_t *); 492248Sraf extern int sig_cond_reltimedwait(cond_t *, mutex_t *, const timespec_t *); 505891Sraf extern void cancel_safe_mutex_lock(mutex_t *); 515891Sraf extern void cancel_safe_mutex_unlock(mutex_t *); 525891Sraf extern int cancel_safe_mutex_trylock(mutex_t *); 535891Sraf extern int cancel_active(void); 54*6812Sraf extern int _thrp_cancelled(void); 552248Sraf 562248Sraf /* the private libc thread-safe allocator */ 572248Sraf extern void *lmalloc(size_t); 582248Sraf extern void lfree(void *, size_t); 590Sstevel@tonic-gate 600Sstevel@tonic-gate #if defined(THREAD_DEBUG) 610Sstevel@tonic-gate extern void assert_no_libc_locks_held(void); 620Sstevel@tonic-gate #else 630Sstevel@tonic-gate #define assert_no_libc_locks_held() 640Sstevel@tonic-gate #endif 650Sstevel@tonic-gate 660Sstevel@tonic-gate #define _FWRITE _fwrite_unlocked 671343Sraf #define FILENO(s) _fileno(s) 681343Sraf #define FERROR(s) ferror(s) 690Sstevel@tonic-gate #define GETC(s) _getc_unlocked(s) 700Sstevel@tonic-gate #define UNGETC(c, s) _ungetc_unlocked(c, s) 710Sstevel@tonic-gate #define PUTC(c, s) _putc_unlocked(c, s) 720Sstevel@tonic-gate #define GETWC(s) getwc(s) 730Sstevel@tonic-gate #define PUTWC(c, s) putwc(c, s) 740Sstevel@tonic-gate 750Sstevel@tonic-gate /* 760Sstevel@tonic-gate * Cheap check to tell if stdio needs to lock for MT progs. 770Sstevel@tonic-gate * Referenced directly in port/stdio/flush.c and FLOCKFILE and 781672Sraf * FUNLOCKFILE macros. __libc_threaded gets set to 1 when the first 790Sstevel@tonic-gate * thread (beyond the main thread) is created in _thrp_create(). 800Sstevel@tonic-gate */ 811672Sraf extern int __libc_threaded; 820Sstevel@tonic-gate 830Sstevel@tonic-gate #define FILELOCKING(iop) (GET_IONOLOCK(iop) == 0) 840Sstevel@tonic-gate 850Sstevel@tonic-gate #define FLOCKFILE(lk, iop) \ 860Sstevel@tonic-gate { \ 871672Sraf if (__libc_threaded && FILELOCKING(iop)) \ 880Sstevel@tonic-gate lk = _flockget((iop)); \ 890Sstevel@tonic-gate else \ 900Sstevel@tonic-gate lk = NULL; \ 910Sstevel@tonic-gate } 920Sstevel@tonic-gate 930Sstevel@tonic-gate #define FUNLOCKFILE(lk) \ 940Sstevel@tonic-gate { \ 950Sstevel@tonic-gate if (lk != NULL) \ 960Sstevel@tonic-gate _flockrel(lk); \ 970Sstevel@tonic-gate } 980Sstevel@tonic-gate 990Sstevel@tonic-gate #define FLOCKRETURN(iop, ret) \ 1000Sstevel@tonic-gate { int r; \ 1010Sstevel@tonic-gate rmutex_t *lk; \ 1020Sstevel@tonic-gate FLOCKFILE(lk, iop); \ 1030Sstevel@tonic-gate r = (ret); \ 1040Sstevel@tonic-gate FUNLOCKFILE(lk); \ 1050Sstevel@tonic-gate return (r); \ 1060Sstevel@tonic-gate } 1070Sstevel@tonic-gate 1080Sstevel@tonic-gate #ifdef __cplusplus 1090Sstevel@tonic-gate } 1100Sstevel@tonic-gate #endif 1110Sstevel@tonic-gate 1120Sstevel@tonic-gate #endif /* _MTLIB_H */ 113