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Diffstat (limited to 'src/tet3/inc/synreq.h')
| -rw-r--r-- | src/tet3/inc/synreq.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/tet3/inc/synreq.h b/src/tet3/inc/synreq.h new file mode 100644 index 00000000..db927416 --- /dev/null +++ b/src/tet3/inc/synreq.h @@ -0,0 +1,142 @@ +/* + * SCCS: @(#)synreq.h 1.11 (98/08/28) + * + * UniSoft Ltd., London, England + * + * (C) Copyright 1992 X/Open Company Limited + * + * All rights reserved. No part of this source code may be reproduced, + * stored in a retrieval system, or transmitted, in any form or by any + * means, electronic, mechanical, photocopying, recording or otherwise, + * except as stated in the end-user licence agreement, without the prior + * permission of the copyright owners. + * + * X/Open and the 'X' symbol are trademarks of X/Open Company Limited in + * the UK and other countries. + */ + +/************************************************************************ + +SCCS: @(#)synreq.h 1.11 98/08/28 TETware release 3.3 +NAME: synreq.h +PRODUCT: TETware +AUTHOR: Andrew Dingwall, UniSoft Ltd. +DATE CREATED: April 1992 + +DESCRIPTION: + descriptions of structures and values used in sync requests and replies + +MODIFICATIONS: + Andrew Dingwall, UniSoft Ltd., October 1992 + Moved ASYNC timeout from several TCM source files to here + + Andrew Dingwall, UniSoft Ltd., October 1992 + added support for tet_msync() + + Andrew Dingwall, UniSoft Ltd., August 1996 + added support for tetware-style syncs + + Andrew Dingwall, UniSoft Ltd., July 1998 + Use (icno + 1) when generating an autosync number so as to enable + IC 0 to be specified. + Added support for shared API libraries. + + +************************************************************************/ + +#ifndef TET_LITE /* -START-LITE-CUT- */ + +/* sync votes - must match TET_SV_* values in tet_api.h */ +#define SV_YES 1 +#define SV_NO 2 + +/* sync states - must match TET_SS_* values in tet_api.h */ +#define SS_NOTSYNCED 1 +#define SS_SYNCYES 2 +#define SS_SYNCNO 3 +#define SS_TIMEDOUT 4 +#define SS_DEAD 5 + +/* values for use with TCM autosyncs */ +#define SV_SYNC_TIMEOUT 60 /* sync timeout for IC/TP start */ + +/* values for use with exec auto-syncs */ +#define SV_EXEC_SPNO 1L /* sync point number */ +#define SV_EXEC_TIMEOUT 60 /* sync timeout */ + +/* generate a sync point number for auto sync requests - + 15 bits icno, 15 bits tpno, 1 bit start/end */ +#define S_ICBITS 15 +#define S_TPBITS 15 +#define S_SEBITS 1 +#define S_ICSHIFT (S_TPSHIFT + S_TPBITS) +#define S_TPSHIFT S_SEBITS +#define S_ICMASK (~0L << S_ICSHIFT) +#define S_TPMASK ((~S_ICMASK << S_TPSHIFT) & ~S_ICMASK) +#define S_SEMASK (~(S_ICMASK | S_TPMASK)) + +#define MK_ASPNO(icno, tpno, flag) \ + (((long) ((icno) + 1) << S_ICSHIFT) | \ + (((long) (tpno) << S_TPSHIFT) & S_TPMASK) | (flag)) + +/* IC and TP start and end flags for use with MK_ASPNO */ +#define S_ICSTART 0 /* IC start */ +#define S_ICEND 1 /* IC end */ +#define S_TPSTART 0 /* TP start */ +#define S_TPEND 1 /* TP end */ + +/* extract icno, tpno and flag from sync point number */ +#define EX_ICNO(spno) \ + ((int) ((unsigned long) (spno & S_ICMASK) >> S_ICSHIFT) - 1) +#define EX_TPNO(spno) \ + ((int) ((unsigned long) (spno & S_TPMASK) >> S_TPSHIFT)) +#define EX_FLAG(spno) \ + ((int) (spno & S_SEMASK)) + + +/* sync request/result structure used with tet_sdasync() and tet_sdusync() */ +struct synreq { + int sy_sysid; /* system id */ + union { + long sy_long; + int sy_int; + } sy_un; +}; + +/* short names for sy_un members */ +#define sy_ptype sy_un.sy_int /* process type (u/sync request) */ +#define sy_spno sy_un.sy_long /* sync point number (ok reply) */ +#define sy_state sy_un.sy_int /* sync state (error reply) */ + + +/* user sync message data structure used with tet_sdusync() and in syncd - + this is an adjunct to struct tet_synmsg in tet_api.h */ +struct synmsg { + long sm_spno; /* message's sync point number */ + char *sm_data; /* ptr to sync message data */ + int sm_mdlen; /* length of *sm_data */ + int sm_dlen; /* no of bytes in sync message */ + int sm_sysid; /* id of sync message sending system */ + int sm_flags; /* flags - see below */ +}; + +/* values for sm_flags (a bit field) */ +#define SM_SNDMSG 001 +#define SM_RCVMSG 002 +#define SM_DUP 004 +#define SM_TRUNC 010 + + +/* extern function declarations */ +TET_IMPORT_FUNC(int, tet_sdasync, + PROTOLIST((long, long, long, int, int, struct synreq *, int *))); +extern int tet_sdusync PROTOLIST((long, long, long, int, int, struct synreq *, + int, struct synmsg *)); +TET_EXPORT_FUNC(int, tet_tcm_async, + PROTOLIST((long, int, int, struct synreq *, int *))); + +/* extern data items */ +TET_IMPORT_DATA(struct synreq *, tet_synreq); + +#endif /* -END-LITE-CUT- */ + |