diff options
Diffstat (limited to 'libthreads')
| -rw-r--r-- | libthreads/cthreads.h | 64 |
1 files changed, 34 insertions, 30 deletions
diff --git a/libthreads/cthreads.h b/libthreads/cthreads.h index 062530e4..31134b9c 100644 --- a/libthreads/cthreads.h +++ b/libthreads/cthreads.h @@ -1,31 +1,35 @@ -/* +/* * Mach Operating System * Copyright (c) 1991,1990,1989 Carnegie Mellon University * All Rights Reserved. - * + * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. - * + * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * + * * Carnegie Mellon requests users of this software to return to - * + * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 - * + * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ /* * HISTORY * $Log: cthreads.h,v $ + * Revision 1.10 1995/09/13 19:50:07 mib + * (CONDITION_INITIALIZER): Provide initial zero for IMPLICATIONS member. + * (condition_init): Bother initializing NAME and IMPLICATIONS members. + * * Revision 1.9 1995/08/30 15:51:41 mib * (condition_implies, condition_unimplies): New functions. * (struct condition): New member `implications'. @@ -53,15 +57,15 @@ * Add declaration for cthread_wire(). * Merge in Jonathan Chew's changes for thread-local data. * Use MACRO_BEGIN and MACRO_END. - * + * * Revision 1.8 91/03/25 14:14:49 jjc * For compatibility with cthread_data: * 1) Added private_data field to cthread structure * for use by POSIX thread specific data routines. * 2) Conditionalized old data field used by cthread_data * under CTHREAD_DATA for binary compatibility. - * 3) Changed macros, cthread_set_data and cthread_data, - * into routines which use the POSIX routines for + * 3) Changed macros, cthread_set_data and cthread_data, + * into routines which use the POSIX routines for * source compatibility. * Also, conditionalized under CTHREAD_DATA. * [91/03/18 jjc] @@ -73,43 +77,43 @@ * Revision 2.11 91/08/03 18:20:15 jsb * Removed the infamous line 122. * [91/08/01 22:40:24 jsb] - * + * * Revision 2.10 91/07/31 18:35:42 dbg * Fix the standard-C conditional: it's __STDC__. - * + * * Allow for macro-redefinition of cthread_sp, spin_try_lock, * spin_unlock (from machine/cthreads.h). * [91/07/30 17:34:28 dbg] - * + * * Revision 2.9 91/05/14 17:56:42 mrt * Correcting copyright - * + * * Revision 2.8 91/02/14 14:19:52 mrt * Added new Mach copyright * [91/02/13 12:41:15 mrt] - * + * * Revision 2.7 90/11/05 14:37:12 rpd * Include machine/cthreads.h. Added spin_lock_t. * [90/10/31 rwd] - * + * * Revision 2.6 90/10/12 13:07:24 rpd * Channge to allow for positive stack growth. * [90/10/10 rwd] - * + * * Revision 2.5 90/09/09 14:34:56 rpd * Remove mutex_special and debug_mutex. * [90/08/24 rwd] - * + * * Revision 2.4 90/08/07 14:31:14 rpd * Removed RCS keyword nonsense. - * + * * Revision 2.3 90/01/19 14:37:18 rwd * Add back pointer to cthread structure. * [90/01/03 rwd] * Change definition of cthread_init and change ur_cthread_self macro * to reflect movement of self pointer on stack. * [89/12/18 19:18:34 rwd] - * + * * Revision 2.2 89/12/08 19:53:49 rwd * Change spin_try_lock to int. * [89/11/30 rwd] @@ -120,16 +124,16 @@ * Added mutex_special to specify a need to context switch on this * mutex. * [89/11/21 rwd] - * + * * Made mutex_lock a macro trying to grab the spin_lock first. * [89/11/13 rwd] * Removed conditionals. Mutexes are more like conditions now. * Changed for limited kernel thread version. * [89/10/23 rwd] - * + * * Revision 2.1 89/08/03 17:09:40 rwd * Created. - * + * * * 28-Oct-88 Eric Cooper (ecc) at Carnegie Mellon University * Implemented spin_lock() as test and test-and-set logic @@ -155,7 +159,7 @@ * rather than macros, so that even smart compilers can't reorder * the clearing of the lock. Suggested by Jeff Eppinger. * Removed the now empty <machine>/cthreads.h. - * + * * 01-Dec-87 Eric Cooper (ecc) at Carnegie Mellon University * Changed cthread_self() to mask the current SP to find * the self pointer stored at the base of the stack. @@ -241,7 +245,7 @@ int NEVER; * C Threads package initialization. */ -extern int cthread_init(); +extern int cthread_init C_ARG_DECLS((void)); #if 0 /* This prototype is broken for GNU. */ extern any_t calloc C_ARG_DECLS((unsigned n, unsigned size)); @@ -488,7 +492,7 @@ extern any_t cthread_join C_ARG_DECLS((cthread_t t)); extern void -cthread_yield(); +cthread_yield C_ARG_DECLS((void)); extern void cthread_exit C_ARG_DECLS((any_t result)); @@ -503,7 +507,7 @@ typedef struct ur_cthread { #ifndef cthread_sp extern int -cthread_sp(); +cthread_sp C_ARG_DECLS((void)); #endif extern int cthread_stack_mask; @@ -530,13 +534,13 @@ extern char * cthread_name C_ARG_DECLS((cthread_t t)); extern int -cthread_count(); +cthread_count C_ARG_DECLS((void)); extern void cthread_set_limit C_ARG_DECLS((int n)); extern int -cthread_limit(); +cthread_limit C_ARG_DECLS((void)); extern void cthread_wire C_ARG_DECLS((void)); @@ -554,8 +558,8 @@ cthread_set_data C_ARG_DECLS((cthread_t t, any_t x)); extern any_t cthread_data C_ARG_DECLS((cthread_t t)); #endif CTHREAD_DATA - -/* + +/* * Support for POSIX thread specific data * * Multiplexes a thread specific "global" variable |