1 | #ifndef SCHMORP_PERL_H_ |
1 | #ifndef SCHMORP_PERL_H_ |
2 | #define SCHMORP_PERL_H_ |
2 | #define SCHMORP_PERL_H_ |
3 | |
3 | |
4 | /* WARNING |
4 | /* WARNING |
5 | * This header file is a shared resource between many modules. |
5 | * This header file is a shared resource between many modules. |
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6 | * perl header files MUST already be included. |
6 | */ |
7 | */ |
7 | |
8 | |
8 | #include <signal.h> |
9 | #include <signal.h> |
9 | #include <errno.h> |
10 | #include <errno.h> |
10 | |
11 | |
11 | #ifndef _WIN32 |
12 | #if defined(WIN32 ) || defined(_MINIX) |
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13 | # define SCHMORP_H_PREFER_SELECT 1 |
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14 | #endif |
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15 | |
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16 | #if !SCHMORP_H_PREFER_SELECT |
12 | # include <poll.h> |
17 | # include <poll.h> |
13 | #endif |
18 | #endif |
14 | |
19 | |
15 | /* useful stuff, used by schmorp mostly */ |
20 | /* useful stuff, used by schmorp mostly */ |
16 | |
21 | |
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… | |
45 | # ifndef IS_PADCONST |
50 | # ifndef IS_PADCONST |
46 | # define IS_PADCONST(v) 0 |
51 | # define IS_PADCONST(v) 0 |
47 | # endif |
52 | # endif |
48 | #endif |
53 | #endif |
49 | |
54 | |
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55 | /* use NV for 32 bit perls as it allows larger offsets */ |
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56 | #if IVSIZE >= 8 |
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57 | typedef IV VAL64; |
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58 | # define SvVAL64(sv) SvIV (sv) |
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59 | # define newSVval64(i64) newSViv (i64) |
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60 | #else |
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61 | typedef NV VAL64; |
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62 | # define SvVAL64(sv) SvNV (sv) |
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63 | # define newSVval64(i64) newSVnv (i64) |
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64 | #endif |
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65 | |
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66 | /* typemap for the above */ |
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67 | /* |
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68 | VAL64 T_VAL64 |
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69 | |
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70 | INPUT |
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71 | |
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72 | T_VAL64 |
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73 | $var = ($type)SvVAL64 ($arg); |
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74 | |
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75 | OUTPUT |
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76 | |
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77 | T_VAL64 |
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78 | $arg = newSVval64 ($var); |
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79 | */ |
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80 | |
50 | /* 5.11 */ |
81 | /* 5.11 */ |
51 | #ifndef CxHASARGS |
82 | #ifndef CxHASARGS |
52 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
83 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
53 | #endif |
84 | #endif |
54 | |
85 | |
… | |
… | |
157 | s_get_cv (SV *cb_sv) |
188 | s_get_cv (SV *cb_sv) |
158 | { |
189 | { |
159 | dTHX; |
190 | dTHX; |
160 | HV *st; |
191 | HV *st; |
161 | GV *gvp; |
192 | GV *gvp; |
162 | |
193 | |
163 | return (SV *)sv_2cv (cb_sv, &st, &gvp, 0); |
194 | return (SV *)sv_2cv (cb_sv, &st, &gvp, 0); |
164 | } |
195 | } |
165 | |
196 | |
166 | static SV * |
197 | static SV * |
167 | s_get_cv_croak (SV *cb_sv) |
198 | s_get_cv_croak (SV *cb_sv) |
… | |
… | |
201 | } |
232 | } |
202 | |
233 | |
203 | /*****************************************************************************/ |
234 | /*****************************************************************************/ |
204 | /* portable pipe/socketpair */ |
235 | /* portable pipe/socketpair */ |
205 | |
236 | |
206 | #ifdef USE_SOCKETS_AS_HANDLES |
237 | #if defined(USE_SOCKETS_AS_HANDLES) || PERL_VERSION_ATLEAST(5,18,0) |
207 | # define S_TO_HANDLE(x) ((HANDLE)win32_get_osfhandle (x)) |
238 | # define S_TO_HANDLE(x) ((HANDLE)win32_get_osfhandle (x)) |
208 | #else |
239 | #else |
209 | # define S_TO_HANDLE(x) ((HANDLE)x) |
240 | # define S_TO_HANDLE(x) ((HANDLE)x) |
210 | #endif |
241 | #endif |
211 | |
242 | |
… | |
… | |
222 | struct sockaddr_in adr2; |
253 | struct sockaddr_in adr2; |
223 | int adr2_size = sizeof (adr2); |
254 | int adr2_size = sizeof (adr2); |
224 | SOCKET listener; |
255 | SOCKET listener; |
225 | SOCKET sock [2] = { -1, -1 }; |
256 | SOCKET sock [2] = { -1, -1 }; |
226 | |
257 | |
227 | if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) |
258 | if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) |
228 | return -1; |
259 | return -1; |
229 | |
260 | |
230 | addr.sin_family = AF_INET; |
261 | addr.sin_family = AF_INET; |
231 | addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK); |
262 | addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK); |
232 | addr.sin_port = 0; |
263 | addr.sin_port = 0; |
… | |
… | |
238 | goto fail; |
269 | goto fail; |
239 | |
270 | |
240 | if (listen (listener, 1)) |
271 | if (listen (listener, 1)) |
241 | goto fail; |
272 | goto fail; |
242 | |
273 | |
243 | if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) |
274 | if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) |
244 | goto fail; |
275 | goto fail; |
245 | |
276 | |
246 | if (connect (sock [0], (struct sockaddr *)&addr, addr_size)) |
277 | if (connect (sock [0], (struct sockaddr *)&addr, addr_size)) |
247 | goto fail; |
278 | goto fail; |
248 | |
279 | |
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273 | || addr.sin_port != adr2.sin_port) |
304 | || addr.sin_port != adr2.sin_port) |
274 | goto fail; |
305 | goto fail; |
275 | |
306 | |
276 | closesocket (listener); |
307 | closesocket (listener); |
277 | |
308 | |
278 | #ifdef USE_SOCKETS_AS_HANDLES |
309 | #if defined(USE_SOCKETS_AS_HANDLES) || PERL_VERSION_ATLEAST(5,18,0) |
279 | /* when select isn't winsocket, we also expect socket, connect, accept etc. |
310 | /* when select isn't winsocket, we also expect socket, connect, accept etc. |
280 | * to work on fds */ |
311 | * to work on fds */ |
281 | filedes [0] = sock [0]; |
312 | filedes [0] = sock [0]; |
282 | filedes [1] = sock [1]; |
313 | filedes [1] = sock [1]; |
283 | #else |
314 | #else |
… | |
… | |
326 | || fcntl (fd, F_SETFD, FD_CLOEXEC); |
357 | || fcntl (fd, F_SETFD, FD_CLOEXEC); |
327 | } |
358 | } |
328 | |
359 | |
329 | #endif |
360 | #endif |
330 | |
361 | |
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362 | #if HAVE_EVENTFD |
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363 | # include <sys/eventfd.h> |
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364 | #else |
331 | #if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
365 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
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366 | # define SCHMORP_H_HAVE_EVENTFD 1 |
332 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
367 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
333 | # include <stdint.h> |
368 | # include <stdint.h> |
334 | # ifdef __cplusplus |
369 | # ifdef __cplusplus |
335 | extern "C" { |
370 | extern "C" { |
336 | # endif |
371 | # endif |
337 | int eventfd (unsigned int initval, int flags); |
372 | int eventfd (unsigned int initval, int flags); |
338 | # ifdef __cplusplus |
373 | # ifdef __cplusplus |
339 | } |
374 | } |
340 | # endif |
375 | # endif |
341 | #else |
376 | # else |
342 | # define eventfd(initval,flags) -1 |
377 | # define eventfd(initval,flags) -1 |
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378 | # endif |
343 | #endif |
379 | #endif |
344 | |
380 | |
345 | typedef struct { |
381 | typedef struct { |
346 | int fd[2]; /* read, write fd, might be equal */ |
382 | int fd[2]; /* read, write fd, might be equal */ |
347 | int len; /* write length (1 pipe/socket, 8 eventfd) */ |
383 | int len; /* write length (1 pipe/socket, 8 eventfd) */ |
… | |
… | |
444 | if (epp->len) |
480 | if (epp->len) |
445 | { |
481 | { |
446 | if (dup2 (epn.fd [0], epp->fd [0]) < 0) |
482 | if (dup2 (epn.fd [0], epp->fd [0]) < 0) |
447 | croak ("unable to dup over old event pipe"); /* should not croak */ |
483 | croak ("unable to dup over old event pipe"); /* should not croak */ |
448 | |
484 | |
449 | if (epp->fd [1] != epp->fd [0]) |
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450 | close (epn.fd [0]); |
485 | close (epn.fd [0]); |
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486 | |
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487 | if (epn.fd [0] == epn.fd [1]) |
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488 | epn.fd [1] = epp->fd [0]; |
451 | |
489 | |
452 | epn.fd [0] = epp->fd [0]; |
490 | epn.fd [0] = epp->fd [0]; |
453 | } |
491 | } |
454 | |
492 | |
455 | *epp = epn; |
493 | *epp = epn; |
… | |
… | |
461 | |
499 | |
462 | static int |
500 | static int |
463 | s_epipe_wait (s_epipe *epp) |
501 | s_epipe_wait (s_epipe *epp) |
464 | { |
502 | { |
465 | dTHX; |
503 | dTHX; |
466 | #ifdef _WIN32 |
504 | #if SCHMORP_H_PREFER_SELECT |
467 | fd_set rfd; |
505 | fd_set rfd; |
468 | int fd = s_epipe_fd (epp); |
506 | int fd = s_epipe_fd (epp); |
469 | |
507 | |
470 | FD_ZERO (&rfd); |
508 | FD_ZERO (&rfd); |
471 | FD_SET (fd, &rfd); |
509 | FD_SET (fd, &rfd); |