1#include "EXTERN.h"
2#include "perl.h"
3#include "XSUB.h"
4
5#include <sys/types.h>
6#ifdef __linux__
7#   include <asm/page.h>
8#endif
9#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
10#ifndef HAS_SEM
11#   include <sys/ipc.h>
12#endif
13#   ifdef HAS_MSG
14#       include <sys/msg.h>
15#   endif
16#   ifdef HAS_SHM
17#       if defined(PERL_SCO) || defined(PERL_ISC)
18#           include <sys/sysmacros.h>	/* SHMLBA */
19#       endif
20#      include <sys/shm.h>
21#      ifndef HAS_SHMAT_PROTOTYPE
22           extern Shmat_t shmat (int, char *, int);
23#      endif
24#      if defined(__sparc__) && (defined(__NetBSD__) || defined(__OpenBSD__))
25#          undef  SHMLBA /* not static: determined at boot time */
26#          define SHMLBA getpagesize()
27#      endif
28#   endif
29#endif
30
31/* Required to get 'struct pte' for SHMLBA on ULTRIX. */
32#if defined(__ultrix) || defined(__ultrix__) || defined(ultrix)
33#include <machine/pte.h>
34#endif
35
36/* Required in BSDI to get PAGE_SIZE definition for SHMLBA.
37 * Ugly.  More beautiful solutions welcome.
38 * Shouting at BSDI sounds quite beautiful. */
39#ifdef __bsdi__
40#   include <vm/vm_param.h>	/* move upwards under HAS_SHM? */
41#endif
42
43#ifndef S_IRWXU
44#   ifdef S_IRUSR
45#       define S_IRWXU (S_IRUSR|S_IWUSR|S_IWUSR)
46#       define S_IRWXG (S_IRGRP|S_IWGRP|S_IWGRP)
47#       define S_IRWXO (S_IROTH|S_IWOTH|S_IWOTH)
48#   else
49#       define S_IRWXU 0700
50#       define S_IRWXG 0070
51#       define S_IRWXO 0007
52#   endif
53#endif
54
55MODULE=IPC::SysV	PACKAGE=IPC::Msg::stat
56
57PROTOTYPES: ENABLE
58
59void
60pack(obj)
61    SV	* obj
62PPCODE:
63{
64#ifdef HAS_MSG
65    SV *sv;
66    struct msqid_ds ds;
67    AV *list = (AV*)SvRV(obj);
68    sv = *av_fetch(list,0,TRUE); ds.msg_perm.uid = SvIV(sv);
69    sv = *av_fetch(list,1,TRUE); ds.msg_perm.gid = SvIV(sv);
70    sv = *av_fetch(list,4,TRUE); ds.msg_perm.mode = SvIV(sv);
71    sv = *av_fetch(list,6,TRUE); ds.msg_qbytes = SvIV(sv);
72    ST(0) = sv_2mortal(newSVpvn((char *)&ds,sizeof(ds)));
73    XSRETURN(1);
74#else
75    croak("System V msgxxx is not implemented on this machine");
76#endif
77}
78
79void
80unpack(obj,buf)
81    SV * obj
82    SV * buf
83PPCODE:
84{
85#ifdef HAS_MSG
86    STRLEN len;
87    SV **sv_ptr;
88    struct msqid_ds *ds = (struct msqid_ds *)SvPV(buf,len);
89    AV *list = (AV*)SvRV(obj);
90    if (len != sizeof(*ds)) {
91	croak("Bad arg length for %s, length is %d, should be %d",
92		    "IPC::Msg::stat",
93		    len, sizeof(*ds));
94    }
95    sv_ptr = av_fetch(list,0,TRUE);
96    sv_setiv(*sv_ptr, ds->msg_perm.uid);
97    sv_ptr = av_fetch(list,1,TRUE);
98    sv_setiv(*sv_ptr, ds->msg_perm.gid);
99    sv_ptr = av_fetch(list,2,TRUE);
100    sv_setiv(*sv_ptr, ds->msg_perm.cuid);
101    sv_ptr = av_fetch(list,3,TRUE);
102    sv_setiv(*sv_ptr, ds->msg_perm.cgid);
103    sv_ptr = av_fetch(list,4,TRUE);
104    sv_setiv(*sv_ptr, ds->msg_perm.mode);
105    sv_ptr = av_fetch(list,5,TRUE);
106    sv_setiv(*sv_ptr, ds->msg_qnum);
107    sv_ptr = av_fetch(list,6,TRUE);
108    sv_setiv(*sv_ptr, ds->msg_qbytes);
109    sv_ptr = av_fetch(list,7,TRUE);
110    sv_setiv(*sv_ptr, ds->msg_lspid);
111    sv_ptr = av_fetch(list,8,TRUE);
112    sv_setiv(*sv_ptr, ds->msg_lrpid);
113    sv_ptr = av_fetch(list,9,TRUE);
114    sv_setiv(*sv_ptr, ds->msg_stime);
115    sv_ptr = av_fetch(list,10,TRUE);
116    sv_setiv(*sv_ptr, ds->msg_rtime);
117    sv_ptr = av_fetch(list,11,TRUE);
118    sv_setiv(*sv_ptr, ds->msg_ctime);
119    XSRETURN(1);
120#else
121    croak("System V msgxxx is not implemented on this machine");
122#endif
123}
124
125MODULE=IPC::SysV	PACKAGE=IPC::Semaphore::stat
126
127void
128unpack(obj,ds)
129    SV * obj
130    SV * ds
131PPCODE:
132{
133#ifdef HAS_SEM
134    STRLEN len;
135    AV *list = (AV*)SvRV(obj);
136    struct semid_ds *data = (struct semid_ds *)SvPV(ds,len);
137    if(!sv_isa(obj, "IPC::Semaphore::stat"))
138	croak("method %s not called a %s object",
139		"unpack","IPC::Semaphore::stat");
140    if (len != sizeof(*data)) {
141	croak("Bad arg length for %s, length is %d, should be %d",
142		    "IPC::Semaphore::stat",
143		    len, sizeof(*data));
144    }
145    sv_setiv(*av_fetch(list,0,TRUE), data[0].sem_perm.uid);
146    sv_setiv(*av_fetch(list,1,TRUE), data[0].sem_perm.gid);
147    sv_setiv(*av_fetch(list,2,TRUE), data[0].sem_perm.cuid);
148    sv_setiv(*av_fetch(list,3,TRUE), data[0].sem_perm.cgid);
149    sv_setiv(*av_fetch(list,4,TRUE), data[0].sem_perm.mode);
150    sv_setiv(*av_fetch(list,5,TRUE), data[0].sem_ctime);
151    sv_setiv(*av_fetch(list,6,TRUE), data[0].sem_otime);
152    sv_setiv(*av_fetch(list,7,TRUE), data[0].sem_nsems);
153    XSRETURN(1);
154#else
155    croak("System V semxxx is not implemented on this machine");
156#endif
157}
158
159void
160pack(obj)
161    SV	* obj
162PPCODE:
163{
164#ifdef HAS_SEM
165    SV **sv_ptr;
166    struct semid_ds ds;
167    AV *list = (AV*)SvRV(obj);
168    if(!sv_isa(obj, "IPC::Semaphore::stat"))
169	croak("method %s not called a %s object",
170		"pack","IPC::Semaphore::stat");
171    if((sv_ptr = av_fetch(list,0,TRUE)) && *sv_ptr)
172	ds.sem_perm.uid = SvIV(*sv_ptr);
173    if((sv_ptr = av_fetch(list,1,TRUE)) && *sv_ptr)
174	ds.sem_perm.gid = SvIV(*sv_ptr);
175    if((sv_ptr = av_fetch(list,2,TRUE)) && *sv_ptr)
176	ds.sem_perm.cuid = SvIV(*sv_ptr);
177    if((sv_ptr = av_fetch(list,3,TRUE)) && *sv_ptr)
178	ds.sem_perm.cgid = SvIV(*sv_ptr);
179    if((sv_ptr = av_fetch(list,4,TRUE)) && *sv_ptr)
180	ds.sem_perm.mode = SvIV(*sv_ptr);
181    if((sv_ptr = av_fetch(list,5,TRUE)) && *sv_ptr)
182	ds.sem_ctime = SvIV(*sv_ptr);
183    if((sv_ptr = av_fetch(list,6,TRUE)) && *sv_ptr)
184	ds.sem_otime = SvIV(*sv_ptr);
185    if((sv_ptr = av_fetch(list,7,TRUE)) && *sv_ptr)
186	ds.sem_nsems = SvIV(*sv_ptr);
187    ST(0) = sv_2mortal(newSVpvn((char *)&ds,sizeof(ds)));
188    XSRETURN(1);
189#else
190    croak("System V semxxx is not implemented on this machine");
191#endif
192}
193
194MODULE=IPC::SysV	PACKAGE=IPC::SysV
195
196void
197ftok(path, id)
198        char *          path
199        int             id
200    CODE:
201#if defined(HAS_SEM) || defined(HAS_SHM)
202        key_t k = ftok(path, id);
203        ST(0) = k == (key_t) -1 ? &PL_sv_undef : sv_2mortal(newSViv(k));
204#else
205	Perl_die(aTHX_ PL_no_func, "ftok"); return;
206#endif
207
208void
209SHMLBA()
210    CODE:
211#ifdef SHMLBA
212    ST(0) = sv_2mortal(newSViv(SHMLBA));
213#else
214    croak("SHMLBA is not defined on this architecture");
215#endif
216
217BOOT:
218{
219    HV *stash = gv_stashpvn("IPC::SysV", 9, TRUE);
220    /*
221     * constant subs for IPC::SysV
222     */
223     struct { char *n; I32 v; } IPC__SysV__const[] = {
224#ifdef GETVAL
225        {"GETVAL", GETVAL},
226#endif
227#ifdef GETPID
228        {"GETPID", GETPID},
229#endif
230#ifdef GETNCNT
231        {"GETNCNT", GETNCNT},
232#endif
233#ifdef GETZCNT
234        {"GETZCNT", GETZCNT},
235#endif
236#ifdef GETALL
237        {"GETALL", GETALL},
238#endif
239#ifdef IPC_ALLOC
240        {"IPC_ALLOC", IPC_ALLOC},
241#endif
242#ifdef IPC_CREAT
243        {"IPC_CREAT", IPC_CREAT},
244#endif
245#ifdef IPC_EXCL
246        {"IPC_EXCL", IPC_EXCL},
247#endif
248#ifdef IPC_GETACL
249        {"IPC_GETACL", IPC_EXCL},
250#endif
251#ifdef IPC_LOCKED
252        {"IPC_LOCKED", IPC_LOCKED},
253#endif
254#ifdef IPC_M
255        {"IPC_M", IPC_M},
256#endif
257#ifdef IPC_NOERROR
258        {"IPC_NOERROR", IPC_NOERROR},
259#endif
260#ifdef IPC_NOWAIT
261        {"IPC_NOWAIT", IPC_NOWAIT},
262#endif
263#ifdef IPC_PRIVATE
264        {"IPC_PRIVATE", IPC_PRIVATE},
265#endif
266#ifdef IPC_R
267        {"IPC_R", IPC_R},
268#endif
269#ifdef IPC_RMID
270        {"IPC_RMID", IPC_RMID},
271#endif
272#ifdef IPC_SET
273        {"IPC_SET", IPC_SET},
274#endif
275#ifdef IPC_SETACL
276        {"IPC_SETACL", IPC_SETACL},
277#endif
278#ifdef IPC_SETLABEL
279        {"IPC_SETLABEL", IPC_SETLABEL},
280#endif
281#ifdef IPC_STAT
282        {"IPC_STAT", IPC_STAT},
283#endif
284#ifdef IPC_W
285        {"IPC_W", IPC_W},
286#endif
287#ifdef IPC_WANTED
288        {"IPC_WANTED", IPC_WANTED},
289#endif
290#ifdef MSG_NOERROR
291        {"MSG_NOERROR", MSG_NOERROR},
292#endif
293#ifdef MSG_FWAIT
294        {"MSG_FWAIT", MSG_FWAIT},
295#endif
296#ifdef MSG_LOCKED
297        {"MSG_LOCKED", MSG_LOCKED},
298#endif
299#ifdef MSG_MWAIT
300        {"MSG_MWAIT", MSG_MWAIT},
301#endif
302#ifdef MSG_WAIT
303        {"MSG_WAIT", MSG_WAIT},
304#endif
305#ifdef MSG_R
306        {"MSG_R", MSG_R},
307#endif
308#ifdef MSG_RWAIT
309        {"MSG_RWAIT", MSG_RWAIT},
310#endif
311#ifdef MSG_STAT
312        {"MSG_STAT", MSG_STAT},
313#endif
314#ifdef MSG_W
315        {"MSG_W", MSG_W},
316#endif
317#ifdef MSG_WWAIT
318        {"MSG_WWAIT", MSG_WWAIT},
319#endif
320#ifdef SEM_A
321        {"SEM_A", SEM_A},
322#endif
323#ifdef SEM_ALLOC
324        {"SEM_ALLOC", SEM_ALLOC},
325#endif
326#ifdef SEM_DEST
327        {"SEM_DEST", SEM_DEST},
328#endif
329#ifdef SEM_ERR
330        {"SEM_ERR", SEM_ERR},
331#endif
332#ifdef SEM_R
333        {"SEM_R", SEM_R},
334#endif
335#ifdef SEM_ORDER
336        {"SEM_ORDER", SEM_ORDER},
337#endif
338#ifdef SEM_UNDO
339        {"SEM_UNDO", SEM_UNDO},
340#endif
341#ifdef SETVAL
342        {"SETVAL", SETVAL},
343#endif
344#ifdef SETALL
345        {"SETALL", SETALL},
346#endif
347#ifdef SHM_CLEAR
348        {"SHM_CLEAR", SHM_CLEAR},
349#endif
350#ifdef SHM_COPY
351        {"SHM_COPY", SHM_COPY},
352#endif
353#ifdef SHM_DCACHE
354        {"SHM_DCACHE", SHM_DCACHE},
355#endif
356#ifdef SHM_DEST
357        {"SHM_DEST", SHM_DEST},
358#endif
359#ifdef SHM_ECACHE
360        {"SHM_ECACHE", SHM_ECACHE},
361#endif
362#ifdef SHM_FMAP
363        {"SHM_FMAP", SHM_FMAP},
364#endif
365#ifdef SHM_ICACHE
366        {"SHM_ICACHE", SHM_ICACHE},
367#endif
368#ifdef SHM_INIT
369        {"SHM_INIT", SHM_INIT},
370#endif
371#ifdef SHM_LOCK
372        {"SHM_LOCK", SHM_LOCK},
373#endif
374#ifdef SHM_LOCKED
375        {"SHM_LOCKED", SHM_LOCKED},
376#endif
377#ifdef SHM_MAP
378        {"SHM_MAP", SHM_MAP},
379#endif
380#ifdef SHM_NOSWAP
381        {"SHM_NOSWAP", SHM_NOSWAP},
382#endif
383#ifdef SHM_RDONLY
384        {"SHM_RDONLY", SHM_RDONLY},
385#endif
386#ifdef SHM_REMOVED
387        {"SHM_REMOVED", SHM_REMOVED},
388#endif
389#ifdef SHM_RND
390        {"SHM_RND", SHM_RND},
391#endif
392#ifdef SHM_SHARE_MMU
393        {"SHM_SHARE_MMU", SHM_SHARE_MMU},
394#endif
395#ifdef SHM_SHATTR
396        {"SHM_SHATTR", SHM_SHATTR},
397#endif
398#ifdef SHM_SIZE
399        {"SHM_SIZE", SHM_SIZE},
400#endif
401#ifdef SHM_UNLOCK
402        {"SHM_UNLOCK", SHM_UNLOCK},
403#endif
404#ifdef SHM_W
405        {"SHM_W", SHM_W},
406#endif
407#ifdef S_IRUSR
408        {"S_IRUSR", S_IRUSR},
409#endif
410#ifdef S_IWUSR
411        {"S_IWUSR", S_IWUSR},
412#endif
413#ifdef S_IRWXU
414        {"S_IRWXU", S_IRWXU},
415#endif
416#ifdef S_IRGRP
417        {"S_IRGRP", S_IRGRP},
418#endif
419#ifdef S_IWGRP
420        {"S_IWGRP", S_IWGRP},
421#endif
422#ifdef S_IRWXG
423        {"S_IRWXG", S_IRWXG},
424#endif
425#ifdef S_IROTH
426        {"S_IROTH", S_IROTH},
427#endif
428#ifdef S_IWOTH
429        {"S_IWOTH", S_IWOTH},
430#endif
431#ifdef S_IRWXO
432        {"S_IRWXO", S_IRWXO},
433#endif
434	{Nullch,0}};
435    char *name;
436    int i;
437
438    for(i = 0 ; (name = IPC__SysV__const[i].n) ; i++) {
439	newCONSTSUB(stash,name, newSViv(IPC__SysV__const[i].v));
440    }
441}
442
443