/* * $Id: amiga_api.h,v 1.27 1993/06/07 12:37:20 too Exp $ * * Copyright (c) 1993 AmiTCP/IP Group, * Helsinki University of Technology, Finland. * All rights reserved. * * Created: Tue Jan 26 20:35:28 1993 too * Last modified: Mon Jun 7 14:59:35 1993 too * * $Log: amiga_api.h,v $ * Revision 1.27 1993/06/07 12:37:20 too * Changed inet_ntoa, netdatabase functions and WaitSelect() use * separate buffers for their dynamic buffers * * Revision 1.26 1993/06/04 11:16:15 jraja * Fixes for first public release. * * Revision 1.25 1993/05/30 08:15:05 too * Changed struct selbuf to struct newselbuf * * Revision 1.24 1993/05/17 01:02:04 ppessi * Changed RCS version * * Revision 1.23 1993/04/26 13:18:04 jraja * Changed buffer field to type caddr_t. * * Revision 1.22 93/04/25 15:03:37 15:03:37 too (Tomi Ollila) * Changed buffer to a pointer type * * Revision 1.21 93/04/25 14:57:18 14:57:18 too (Tomi Ollila) * Added field for size of temporary buffer for valirous library functions * * Revision 1.20 93/04/12 00:08:21 00:08:21 jraja (Jarno Tapio Rajahalme) * Changed errnoPtr from WORD * to UBYTE *. * * Revision 1.19 93/04/06 17:58:28 17:58:28 too (Tomi Ollila) * Added AmiTCP signals to socketbase, removed sigIO and chanfed errnosize * type to WORD * * Revision 1.18 93/03/30 16:53:30 16:53:30 too (Tomi Ollila) * put errnoSIze in place of pad1 in SocketBase. * Prototype of writeErrnoValue is here, non in amiga_libcallentry.h * extern struct List releasedSocketList * * Revision 1.17 93/03/19 14:14:33 14:14:33 too (Tomi Ollila) * Code changes at night 17-18 March 1993 * * Revision 1.16 93/03/12 15:11:35 15:11:35 too (Tomi Ollila) * Added nextDToSearch variable to speed up free fd search. * now this and dTablesize are WORDs * * Revision 1.15 93/03/12 01:02:30 01:02:30 too (Tomi Ollila) * Added default storage for errno, now errnoPtr points to defErrno by default/ * * Revision 1.14 93/03/10 21:03:28 21:03:28 too (Tomi Ollila) * Added errnoPtr, changed pre process buffer to union type. * * Revision 1.13 93/03/06 02:09:58 02:09:58 jraja (Jarno Tapio Rajahalme) * Added per process field 'buffer', which is used to hold temporary data * returned by library functions. * * Revision 1.12 93/03/05 15:54:36 15:54:36 too (Tomi Ollila) * added prototypes for api_setfunctions and api_deinit * * Revision 1.11 93/03/04 09:41:06 09:41:06 jraja (Jarno Tapio Rajahalme) * Fixed includes, changed _AMIGA_API_H_ to AMIGA_API_H. * * Revision 1.10 93/02/26 13:22:32 13:22:32 too (Tomi Ollila) * code checked w/ too, ppessi and jraja * * Revision 1.9 93/02/25 18:52:27 18:52:27 too (Tomi Ollila) * api_init() now returns BOOL value (always TRUE) * * Revision 1.8 93/02/25 17:09:19 17:09:19 too (Tomi Ollila) * removed definition of SOCNAME, no-one needs it anyway. * * Revision 1.7 93/02/25 13:01:38 13:01:38 too (Tomi Ollila) * Added static inlines, sys/cdefs etc. * * Revision 1.6 93/02/24 18:47:18 18:47:18 too (Tomi Ollila) * Now FindSocketBase goes through compiler * * Revision 1.5 93/02/24 15:49:07 15:49:07 too (Tomi Ollila) * Added FindSocketBase(): finds socket library base of a task if any. * * Revision 1.4 93/02/24 15:11:35 15:11:35 too (Tomi Ollila) * some cosmetic changes (i quess ?) * * Revision 1.3 93/02/16 16:02:45 16:02:45 too (Tomi Ollila) * added ObtainSyscallSemaphore and ReleaseSyscallSemaphore() for use. * * Revision 1.2 93/02/16 14:52:29 14:52:29 too (Tomi Ollila) * Added task priority structure items, sysCallSemaphore ->syscall_semaphore * * Revision 1.1 93/01/27 03:15:39 03:15:39 too (Tomi Ollila) * Initial revision * * */ #ifndef AMIGA_API_H #define AMIGA_API_H #ifndef EXEC_TYPES_H #error not included. #endif #ifndef EXEC_LIBRARIES_H #error not included. #endif #ifndef EXEC_SEMAPHORES_H #error not included. #endif #ifndef EXEC_TASKS_H #include #endif #ifndef SYS_CDEFS_H #include #endif #ifndef SYS_TYPES_H #include #endif #ifndef SYS_QUEUE_H #include #endif struct newselbuf; /* * structure for holding size and address of some dynamically allocated buffers * such as selitems for WaitSelect() and netdatabase entry structures */ struct DataBuffer { int db_Size; void * db_Addr; }; struct SocketBase { struct Library libNode; /* "Global" Errno */ WORD errnoSize; /* -- now we are longword aligned -- */ UBYTE * errnoPtr; /* this points to errno */ LONG defErrno; /* Task pointer of owner task */ struct Task * thisTask; /* task priority changes (WORDS so we keep structure longword aligned) */ WORD myPri; /* task's priority just after libcall */ WORD libCallPri; /* task's priority during library call */ /* -- descriptor sets -- */ WORD dTableSize; WORD nextDToSearch; struct socket ** dTable; /* AmiTCP signal masks */ ULONG sigIntrMask; ULONG sigIOMask; ULONG sigUrgMask; /* -- these are used by tsleep()/wakeup() -- */ char * p_wmesg; queue_chain_t p_sleep_link; caddr_t p_wchan; /* event process is awaiting */ struct timerequest * tsleep_timer; struct MsgPort * timerPort; /* -- pointer to select buffer during Select() -- */ struct newselbuf * p_sb; /* -- per process fields used by various 'library' functions -- */ /* buffer for inet_ntoa */ char inet_ntoa[20]; /* xxx.xxx.xxx.xxx\0 */ /* pointers for data buffers that MAY be used */ struct DataBuffer selitems; struct DataBuffer hostents; struct DataBuffer netents; struct DataBuffer protoents; struct DataBuffer servents; }; extern struct SignalSemaphore syscall_semaphore; extern struct List releasedSocketList; /* * Functions to put and remove application library to/from exec library list */ BOOL api_init(VOID); BOOL api_show(VOID); VOID api_hide(VOID); VOID api_setfunctions(VOID); VOID api_deinit(VOID); /* Function which set Errno value */ VOID writeErrnoValue(struct SocketBase *, int); /* * inline functions which changes (raises) task priority while it is * executing library functions */ static inline void ObtainSyscallSemaphore(struct SocketBase *libPtr) { extern struct Task *AmiTCP_Task; ObtainSemaphore(&syscall_semaphore); libPtr->myPri = SetTaskPri(libPtr->thisTask, libPtr->libCallPri = AmiTCP_Task->tc_Node.ln_Pri); } static inline void ReleaseSyscallSemaphore(struct SocketBase *libPtr) { if (libPtr->libCallPri != (libPtr->myPri = SetTaskPri(libPtr->thisTask, libPtr->myPri))) SetTaskPri(libPtr->thisTask, libPtr->myPri); ReleaseSemaphore(&syscall_semaphore); } /* * inline function for searching library base when taskpointer is known */ static inline struct SocketBase *FindSocketBase(struct Task *task) { extern struct List socketBaseList; struct Node *libNode; Forbid(); for (libNode = socketBaseList.lh_Head; libNode->ln_Succ; libNode = libNode->ln_Succ) if (((struct SocketBase *)libNode)->thisTask == task) { Permit(); return (struct SocketBase *)libNode; } /* here if Task wasn't in socketBaseList */ Permit(); return NULL; } #endif /* !AMIGA_API_H */