xref: /openbsd-src/gnu/usr.bin/perl/os2/os2ish.h (revision 62a742911104f98b9185b2c6b6007d9b1c36396c)
1 #include <signal.h>
2 
3 /* HAS_IOCTL:
4  *	This symbol, if defined, indicates that the ioctl() routine is
5  *	available to set I/O characteristics
6  */
7 #define	HAS_IOCTL		/**/
8 
9 /* HAS_UTIME:
10  *	This symbol, if defined, indicates that the routine utime() is
11  *	available to update the access and modification times of files.
12  */
13 #define HAS_UTIME		/**/
14 
15 #define HAS_KILL
16 #define HAS_WAIT
17 #define HAS_DLERROR
18 #define HAS_WAITPID_RUNTIME (_emx_env & 0x200)
19 
20 /* USEMYBINMODE
21  *	This symbol, if defined, indicates that the program should
22  *	use the routine my_binmode(FILE *fp, char iotype) to insure
23  *	that a file is in "binary" mode -- that is, that no translation
24  *	of bytes occurs on read or write operations.
25  */
26 #undef USEMYBINMODE
27 
28 /* USE_STAT_RDEV:
29  *	This symbol is defined if this system has a stat structure declaring
30  *	st_rdev
31  */
32 #define USE_STAT_RDEV 	/**/
33 
34 /* ACME_MESS:
35  *	This symbol, if defined, indicates that error messages should be
36  *	should be generated in a format that allows the use of the Acme
37  *	GUI/editor's autofind feature.
38  */
39 #undef ACME_MESS	/**/
40 
41 /* ALTERNATE_SHEBANG:
42  *	This symbol, if defined, contains a "magic" string which may be used
43  *	as the first line of a Perl program designed to be executed directly
44  *	by name, instead of the standard Unix #!.  If ALTERNATE_SHEBANG
45  *	begins with a character other then #, then Perl will only treat
46  *	it as a command line if if finds the string "perl" in the first
47  *	word; otherwise it's treated as the first line of code in the script.
48  *	(IOW, Perl won't hand off to another interpreter via an alternate
49  *	shebang sequence that might be legal Perl code.)
50  */
51 #define ALTERNATE_SHEBANG "extproc "
52 
53 #ifndef SIGABRT
54 #    define SIGABRT SIGILL
55 #endif
56 #ifndef SIGILL
57 #    define SIGILL 6         /* blech */
58 #endif
59 #define ABORT() kill(getpid(),SIGABRT);
60 
61 #define BIT_BUCKET "/dev/nul"  /* Will this work? */
62 
63 #if defined(I_SYS_UN) && !defined(TCPIPV4)
64 /* It is not working without TCPIPV4 defined. */
65 # undef I_SYS_UN
66 #endif
67 
68 void Perl_OS2_init(char **);
69 
70 /* XXX This code hideously puts env inside: */
71 
72 #define PERL_SYS_INIT(argcp, argvp) STMT_START {	\
73     _response(argcp, argvp);			\
74     _wildcard(argcp, argvp);			\
75     Perl_OS2_init(env);	} STMT_END
76 
77 #define PERL_SYS_TERM()
78 
79 /* #define PERL_SYS_TERM() STMT_START {	\
80     if (Perl_HAB_set) WinTerminate(Perl_hab);	} STMT_END */
81 
82 #define dXSUB_SYS OS2_XS_init()
83 
84 #ifdef PERL_IS_AOUT
85 /* #  define HAS_FORK */
86 /* #  define HIDEMYMALLOC */
87 /* #  define PERL_SBRK_VIA_MALLOC */ /* gets off-page sbrk... */
88 #else /* !PERL_IS_AOUT */
89 #  ifndef PERL_FOR_X2P
90 #    ifdef EMX_BAD_SBRK
91 #      define USE_PERL_SBRK
92 #    endif
93 #  else
94 #    define PerlIO FILE
95 #  endif
96 #  define SYSTEM_ALLOC(a) sys_alloc(a)
97 
98 void *sys_alloc(int size);
99 
100 #endif /* !PERL_IS_AOUT */
101 #if !defined(PERL_CORE) && !defined(PerlIO) /* a2p */
102 #  define PerlIO FILE
103 #endif
104 
105 #define TMPPATH tmppath
106 #define TMPPATH1 "plXXXXXX"
107 extern char *tmppath;
108 PerlIO *my_syspopen(char *cmd, char *mode);
109 /* Cannot prototype with I32 at this point. */
110 int my_syspclose(PerlIO *f);
111 FILE *my_tmpfile (void);
112 char *my_tmpnam (char *);
113 
114 #define tmpfile	my_tmpfile
115 #define tmpnam	my_tmpnam
116 #define isatty	_isterm
117 #define rand	random
118 #define srand	srandom
119 
120 /*
121  * fwrite1() should be a routine with the same calling sequence as fwrite(),
122  * but which outputs all of the bytes requested as a single stream (unlike
123  * fwrite() itself, which on some systems outputs several distinct records
124  * if the number_of_items parameter is >1).
125  */
126 #define fwrite1 fwrite
127 
128 #define my_getenv(var) getenv(var)
129 #define flock	my_flock
130 
131 void *emx_calloc (size_t, size_t);
132 void emx_free (void *);
133 void *emx_malloc (size_t);
134 void *emx_realloc (void *, size_t);
135 
136 /*****************************************************************************/
137 
138 #include <stdlib.h>	/* before the following definitions */
139 #include <unistd.h>	/* before the following definitions */
140 
141 #define chdir	_chdir2
142 #define getcwd	_getcwd2
143 
144 /* This guy is needed for quick stdstd  */
145 
146 #if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE)
147 	/* Perl uses ungetc only with successful return */
148 #  define ungetc(c,fp) \
149 	(FILE_ptr(fp) > FILE_base(fp) && c == (int)*(FILE_ptr(fp) - 1) \
150 	 ? (--FILE_ptr(fp), ++FILE_cnt(fp), (int)c) : ungetc(c,fp))
151 #endif
152 
153 #define OP_BINARY O_BINARY
154 
155 #define OS2_STAT_HACK 1
156 #if OS2_STAT_HACK
157 
158 #define Stat(fname,bufptr) os2_stat((fname),(bufptr))
159 #define Fstat(fd,bufptr)   fstat((fd),(bufptr))
160 #define Fflush(fp)         fflush(fp)
161 #define Mkdir(path,mode)   mkdir((path),(mode))
162 
163 #undef S_IFBLK
164 #undef S_ISBLK
165 #define S_IFBLK		0120000
166 #define S_ISBLK(mode)	(((mode) & S_IFMT) == S_IFBLK)
167 
168 #else
169 
170 #define Stat(fname,bufptr) stat((fname),(bufptr))
171 #define Fstat(fd,bufptr)   fstat((fd),(bufptr))
172 #define Fflush(fp)         fflush(fp)
173 #define Mkdir(path,mode)   mkdir((path),(mode))
174 
175 #endif
176 
177 /* With SD386 it is impossible to debug register variables. */
178 #if !defined(PERL_IS_AOUT) && defined(DEBUGGING) && !defined(register)
179 #  define register
180 #endif
181 
182 /* Our private OS/2 specific data. */
183 
184 typedef struct OS2_Perl_data {
185   unsigned long flags;
186   unsigned long phab;
187   int (*xs_init)();
188   unsigned long rc;
189   unsigned long severity;
190 } OS2_Perl_data_t;
191 
192 extern OS2_Perl_data_t OS2_Perl_data;
193 
194 #define Perl_hab		((HAB)OS2_Perl_data.phab)
195 #define Perl_rc			(OS2_Perl_data.rc)
196 #define Perl_severity		(OS2_Perl_data.severity)
197 #define errno_isOS2		12345678
198 #define OS2_Perl_flags	(OS2_Perl_data.flags)
199 #define Perl_HAB_set_f	1
200 #define Perl_HAB_set	(OS2_Perl_flags & Perl_HAB_set_f)
201 #define set_Perl_HAB_f	(OS2_Perl_flags |= Perl_HAB_set_f)
202 #define set_Perl_HAB(h) (set_Perl_HAB_f, Perl_hab = h)
203 #define OS2_XS_init() (*OS2_Perl_data.xs_init)()
204 /* The expressions below return true on error. */
205 /* INCL_DOSERRORS needed. rc should be declared outside. */
206 #define CheckOSError(expr) (!(rc = (expr)) ? 0 : (FillOSError(rc), 1))
207 /* INCL_WINERRORS needed. */
208 #define SaveWinError(expr) ((expr) ? : (FillWinError, 0))
209 #define CheckWinError(expr) ((expr) ? 0: (FillWinError, 1))
210 #define FillOSError(rc) (Perl_rc = rc,					\
211 			errno = errno_isOS2,				\
212 			Perl_severity = SEVERITY_ERROR)
213 #define FillWinError (Perl_rc = WinGetLastError(Perl_hab),		\
214 			errno = errno_isOS2,				\
215 			Perl_severity = ERRORIDSEV(Perl_rc),		\
216 			Perl_rc = ERRORIDERROR(Perl_rc))
217 #define Acquire_hab() if (!Perl_HAB_set) {				\
218 	   Perl_hab = WinInitialize(0);					\
219 	   if (!Perl_hab) die("WinInitialize failed");			\
220 	   set_Perl_HAB_f;						\
221 	}
222 
223 #define STATIC_FILE_LENGTH 127
224 
225 #define PERLLIB_MANGLE(s, n) perllib_mangle((s), (n))
226 char *perllib_mangle(char *, unsigned int);
227 
228 char *os2error(int rc);
229 
230 /* ************************************************************ */
231 #define Dos32QuerySysState DosQuerySysState
232 #define QuerySysState(flags, pid, buf, bufsz) \
233 	Dos32QuerySysState(flags, 0,  pid, 0, buf, bufsz)
234 
235 #define QSS_PROCESS	1
236 #define QSS_MODULE	4
237 #define QSS_SEMAPHORES	2
238 #define QSS_FILE	8		/* Buggy until fixpack18 */
239 #define QSS_SHARED	16
240 
241 #ifdef _OS2EMX_H
242 
243 APIRET APIENTRY Dos32QuerySysState(ULONG func,ULONG arg1,ULONG pid,
244 			ULONG _res_,PVOID buf,ULONG bufsz);
245 typedef struct {
246 	ULONG	threadcnt;
247 	ULONG	proccnt;
248 	ULONG	modulecnt;
249 } QGLOBAL, *PQGLOBAL;
250 
251 typedef struct {
252 	ULONG	rectype;
253 	USHORT	threadid;
254 	USHORT	slotid;
255 	ULONG	sleepid;
256 	ULONG	priority;
257 	ULONG	systime;
258 	ULONG	usertime;
259 	UCHAR	state;
260 	UCHAR	_reserved1_;	/* padding to ULONG */
261 	USHORT	_reserved2_;	/* padding to ULONG */
262 } QTHREAD, *PQTHREAD;
263 
264 typedef struct {
265 	USHORT	sfn;
266 	USHORT	refcnt;
267 	USHORT	flags1;
268 	USHORT	flags2;
269 	USHORT	accmode1;
270 	USHORT	accmode2;
271 	ULONG	filesize;
272 	USHORT  volhnd;
273 	USHORT	attrib;
274 	USHORT	_reserved_;
275 } QFDS, *PQFDS;
276 
277 typedef struct qfile {
278 	ULONG		rectype;
279 	struct qfile	*next;
280 	ULONG		opencnt;
281 	PQFDS		filedata;
282 	char		name[1];
283 } QFILE, *PQFILE;
284 
285 typedef struct {
286 	ULONG	rectype;
287 	PQTHREAD threads;
288 	USHORT	pid;
289 	USHORT	ppid;
290 	ULONG	type;
291 	ULONG	state;
292 	ULONG	sessid;
293 	USHORT	hndmod;
294 	USHORT	threadcnt;
295 	ULONG	privsem32cnt;
296 	ULONG	_reserved2_;
297 	USHORT	sem16cnt;
298 	USHORT	dllcnt;
299 	USHORT	shrmemcnt;
300 	USHORT	fdscnt;
301 	PUSHORT	sem16s;
302 	PUSHORT	dlls;
303 	PUSHORT	shrmems;
304 	PUSHORT	fds;
305 } QPROCESS, *PQPROCESS;
306 
307 typedef struct sema {
308 	struct sema *next;
309 	USHORT	refcnt;
310 	UCHAR	sysflags;
311 	UCHAR	sysproccnt;
312 	ULONG	_reserved1_;
313 	USHORT	index;
314 	CHAR	name[1];
315 } QSEMA, *PQSEMA;
316 
317 typedef struct {
318 	ULONG	rectype;
319 	ULONG	_reserved1_;
320 	USHORT	_reserved2_;
321 	USHORT	syssemidx;
322 	ULONG	index;
323 	QSEMA	sema;
324 } QSEMSTRUC, *PQSEMSTRUC;
325 
326 typedef struct {
327 	USHORT	pid;
328 	USHORT	opencnt;
329 } QSEMOWNER32, *PQSEMOWNER32;
330 
331 typedef struct {
332 	PQSEMOWNER32	own;
333 	PCHAR		name;
334 	PVOID		semrecs; /* array of associated sema's */
335 	USHORT		flags;
336 	USHORT		semreccnt;
337 	USHORT		waitcnt;
338 	USHORT		_reserved_;	/* padding to ULONG */
339 } QSEMSMUX32, *PQSEMSMUX32;
340 
341 typedef struct {
342 	PQSEMOWNER32	own;
343 	PCHAR		name;
344 	PQSEMSMUX32	mux;
345 	USHORT		flags;
346 	USHORT		postcnt;
347 } QSEMEV32, *PQSEMEV32;
348 
349 typedef struct {
350 	PQSEMOWNER32	own;
351 	PCHAR		name;
352 	PQSEMSMUX32	mux;
353 	USHORT		flags;
354 	USHORT		refcnt;
355 	USHORT		thrdnum;
356 	USHORT		_reserved_;	/* padding to ULONG */
357 } QSEMMUX32, *PQSEMMUX32;
358 
359 typedef struct semstr32 {
360 	struct semstr *next;
361 	QSEMEV32 evsem;
362 	QSEMMUX32  muxsem;
363 	QSEMSMUX32 smuxsem;
364 } QSEMSTRUC32, *PQSEMSTRUC32;
365 
366 typedef struct shrmem {
367 	struct shrmem *next;
368 	USHORT	hndshr;
369 	USHORT	selshr;
370 	USHORT	refcnt;
371 	CHAR	name[1];
372 } QSHRMEM, *PQSHRMEM;
373 
374 typedef struct module {
375 	struct module *next;
376 	USHORT	hndmod;
377 	USHORT	type;
378 	ULONG	refcnt;
379 	ULONG	segcnt;
380 	PVOID	_reserved_;
381 	PCHAR	name;
382 	USHORT	modref[1];
383 } QMODULE, *PQMODULE;
384 
385 typedef struct {
386 	PQGLOBAL	gbldata;
387 	PQPROCESS	procdata;
388 	PQSEMSTRUC	semadata;
389 	PQSEMSTRUC32	sem32data;
390 	PQSHRMEM	shrmemdata;
391 	PQMODULE	moddata;
392 	PVOID		_reserved2_;
393 	PQFILE		filedata;
394 } QTOPLEVEL, *PQTOPLEVEL;
395 /* ************************************************************ */
396 
397 PQTOPLEVEL get_sysinfo(ULONG pid, ULONG flags);
398 
399 #endif /* _OS2EMX_H */
400 
401