diff options
Diffstat (limited to 'libthreads/mig_support.c')
| -rw-r--r-- | libthreads/mig_support.c | 106 |
1 files changed, 73 insertions, 33 deletions
diff --git a/libthreads/mig_support.c b/libthreads/mig_support.c index bb9e6a5e..01e5deb0 100644 --- a/libthreads/mig_support.c +++ b/libthreads/mig_support.c @@ -1,54 +1,68 @@ -/* +/* * Mach Operating System - * Copyright (c) 1991,1990,1989 Carnegie Mellon University + * Copyright (c) 1993-1989 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 + * 26-Feb-94 Johannes Helander (jvh) at Helsinki University of Technology + * Added mach_put_reply_port. mig_dealloc_reply_port now takes the + * port as an argument. + * * $Log: mig_support.c,v $ + * Revision 2.8 93/01/24 13:27:14 danner + * Corrrected include of mach/mach.h to mach.h + * [93/01/16 mrt] + * + * Revision 2.7 93/01/14 18:05:37 danner + * Converted file to ANSI C. + * Made argument to mig_init a void * for compatibility with + * mig_init in libmach. + * [92/12/18 pds] + * * Revision 2.6 91/05/14 17:57:41 mrt * Correcting copyright - * + * * Revision 2.5 91/02/14 14:20:30 mrt * Added new Mach copyright * [91/02/13 12:41:26 mrt] - * + * * Revision 2.4 90/08/07 14:31:41 rpd * Removed RCS keyword nonsense. - * + * * Revision 2.3 90/08/07 14:27:48 rpd * When we recycle the global reply port by giving it to the first * cthread, clear the global reply port. This will take care of * someone accidently calling this twice. * [90/08/07 rwd] - * + * * Revision 2.2 90/06/02 15:14:04 rpd * Converted to new IPC. * [90/03/20 20:56:50 rpd] - * + * * Revision 2.1 89/08/03 17:09:50 rwd * Created. - * + * * 18-Jan-89 David Golub (dbg) at Carnegie-Mellon University * Replaced task_data() by thread_reply(). * @@ -75,7 +89,9 @@ */ -#include <mach/mach.h> +#include <mach.h> +#include <mach/mig_support.h> +#include <mach/mach_traps.h> #include <cthreads.h> #include "cthread_internals.h" @@ -88,8 +104,7 @@ private mach_port_t mig_reply_port = MACH_PORT_NULL; * called and again with initial cproc at end of cthread_init. */ void -mig_init(initial) - register cproc_t initial; +mig_init(register void *initial) { if (initial == NO_CPROC) { /* called from mach_init before cthread_init, @@ -101,23 +116,16 @@ mig_init(initial) /* recycle global reply port as this cthread's reply port */ multithreaded = TRUE; - initial->reply_port = mig_reply_port; + ((cproc_t) initial)->reply_port = mig_reply_port; mig_reply_port = MACH_PORT_NULL; } } -void -__mig_init (initial) - register cproc_t initial; -{ - mig_init (initial); -} - /* * Called by mig interface code whenever a reply port is needed. */ mach_port_t -mig_get_reply_port() +mig_get_reply_port(void) { register mach_port_t reply_port; @@ -137,18 +145,13 @@ mig_get_reply_port() return reply_port; } -mach_port_t -__mig_get_reply_port() -{ - return mig_get_reply_port(); -} - /* * Called by mig interface code after a timeout on the reply port. * May also be called by user. */ +/*ARGSUSED*/ void -mig_dealloc_reply_port() +mig_dealloc_reply_port(mach_port_t p) { register mach_port_t reply_port; @@ -169,8 +172,45 @@ mig_dealloc_reply_port() MACH_PORT_RIGHT_RECEIVE, -1); } +/* + * Called by mig interfaces when done with a port. + * Used to provide the same interface as needed when a custom + * allocator is used. + */ + +/*ARGSUSED*/ +void +mig_put_reply_port(mach_port_t port) +{ + /* Do nothing */ +} + +void +__mig_init(register void *initial) +{ + mig_init (initial); +} + +mach_port_t +__mig_get_reply_port(void) +{ + return mig_get_reply_port(); +} + +void +__mig_dealloc_reply_port(mach_port_t p) +{ + mig_dealloc_reply_port(p); +} + +void +__mig_put_reply_port(mach_port_t port) +{ + mig_put_reply_port(port); +} + void -__mig_dealloc_reply_port () +__mig_dealloc_reply_port (void) { mig_dealloc_reply_port (); } |