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/cvs/IO-AIO/schmorp.h
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Comparing IO-AIO/schmorp.h (file contents):
Revision 1.10 by root, Tue Mar 30 13:53:53 2010 UTC vs.
Revision 1.20 by root, Fri Sep 6 13:51:16 2019 UTC

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.
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)
13# define SCHMORP_H_PREFER_SELECT 1
14#endif
15
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
… …
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
55/* use NV for 32 bit perls as it allows larger offsets */
56#if IVSIZE >= 8
57typedef IV VAL64;
58# define SvVAL64(sv) SvIV (sv)
59# define newSVval64(i64) newSViv (i64)
60# define sv_setval64(sv,i64) sv_setiv ((sv), (i64))
61#else
62typedef NV VAL64;
63# define SvVAL64(sv) SvNV (sv)
64# define newSVval64(i64) newSVnv (i64)
65# define sv_setval64(sv,i64) sv_setnv ((sv), (i64))
66#endif
67
68/* typemap for the above */
69/*
70VAL64 T_VAL64
71
72INPUT
73
74T_VAL64
75 $var = ($type)SvVAL64 ($arg);
76
77OUTPUT
78
79T_VAL64
80 $arg = newSVval64 ($var);
81*/
82
50/* 5.11 */ 83/* 5.11 */
51#ifndef CxHASARGS 84#ifndef CxHASARGS
52# define CxHASARGS(cx) (cx)->blk_sub.hasargs 85# define CxHASARGS(cx) (cx)->blk_sub.hasargs
53#endif 86#endif
54 87
… …
157s_get_cv (SV *cb_sv) 190s_get_cv (SV *cb_sv)
158{ 191{
159 dTHX; 192 dTHX;
160 HV *st; 193 HV *st;
161 GV *gvp; 194 GV *gvp;
162 195
163 return (SV *)sv_2cv (cb_sv, &st, &gvp, 0); 196 return (SV *)sv_2cv (cb_sv, &st, &gvp, 0);
164} 197}
165 198
166static SV * 199static SV *
167s_get_cv_croak (SV *cb_sv) 200s_get_cv_croak (SV *cb_sv)
… …
201} 234}
202 235
203/*****************************************************************************/ 236/*****************************************************************************/
204/* portable pipe/socketpair */ 237/* portable pipe/socketpair */
205 238
206#ifdef USE_SOCKETS_AS_HANDLES 239#if defined(USE_SOCKETS_AS_HANDLES) || PERL_VERSION_ATLEAST(5,18,0)
207# define S_TO_HANDLE(x) ((HANDLE)win32_get_osfhandle (x)) 240# define S_TO_HANDLE(x) ((HANDLE)win32_get_osfhandle (x))
208#else 241#else
209# define S_TO_HANDLE(x) ((HANDLE)x) 242# define S_TO_HANDLE(x) ((HANDLE)x)
210#endif 243#endif
211 244
… …
222 struct sockaddr_in adr2; 255 struct sockaddr_in adr2;
223 int adr2_size = sizeof (adr2); 256 int adr2_size = sizeof (adr2);
224 SOCKET listener; 257 SOCKET listener;
225 SOCKET sock [2] = { -1, -1 }; 258 SOCKET sock [2] = { -1, -1 };
226 259
227 if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) 260 if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
228 return -1; 261 return -1;
229 262
230 addr.sin_family = AF_INET; 263 addr.sin_family = AF_INET;
231 addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK); 264 addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
232 addr.sin_port = 0; 265 addr.sin_port = 0;
… …
238 goto fail; 271 goto fail;
239 272
240 if (listen (listener, 1)) 273 if (listen (listener, 1))
241 goto fail; 274 goto fail;
242 275
243 if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) 276 if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
244 goto fail; 277 goto fail;
245 278
246 if (connect (sock [0], (struct sockaddr *)&addr, addr_size)) 279 if (connect (sock [0], (struct sockaddr *)&addr, addr_size))
247 goto fail; 280 goto fail;
248 281
… …
273 || addr.sin_port != adr2.sin_port) 306 || addr.sin_port != adr2.sin_port)
274 goto fail; 307 goto fail;
275 308
276 closesocket (listener); 309 closesocket (listener);
277 310
278#ifdef USE_SOCKETS_AS_HANDLES 311#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. 312 /* when select isn't winsocket, we also expect socket, connect, accept etc.
280 * to work on fds */ 313 * to work on fds */
281 filedes [0] = sock [0]; 314 filedes [0] = sock [0];
282 filedes [1] = sock [1]; 315 filedes [1] = sock [1];
283#else 316#else
… …
326 || fcntl (fd, F_SETFD, FD_CLOEXEC); 359 || fcntl (fd, F_SETFD, FD_CLOEXEC);
327} 360}
328 361
329#endif 362#endif
330 363
364#if HAVE_EVENTFD
365# include <sys/eventfd.h>
366#else
331#if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 367# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
368# define SCHMORP_H_HAVE_EVENTFD 1
332/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 369/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
333# include <stdint.h> 370# include <stdint.h>
334# ifdef __cplusplus 371# ifdef __cplusplus
335extern "C" { 372extern "C" {
336# endif 373# endif
337 int eventfd (unsigned int initval, int flags); 374 int eventfd (unsigned int initval, int flags);
338# ifdef __cplusplus 375# ifdef __cplusplus
339} 376}
340# endif 377# endif
341#else 378# else
342# define eventfd(initval,flags) -1 379# define eventfd(initval,flags) -1
380# endif
343#endif 381#endif
344 382
345typedef struct { 383typedef struct {
346 int fd[2]; /* read, write fd, might be equal */ 384 int fd[2]; /* read, write fd, might be equal */
347 int len; /* write length (1 pipe/socket, 8 eventfd) */ 385 int len; /* write length (1 pipe/socket, 8 eventfd) */
… …
463 501
464static int 502static int
465s_epipe_wait (s_epipe *epp) 503s_epipe_wait (s_epipe *epp)
466{ 504{
467 dTHX; 505 dTHX;
468#ifdef _WIN32 506#if SCHMORP_H_PREFER_SELECT
469 fd_set rfd; 507 fd_set rfd;
470 int fd = s_epipe_fd (epp); 508 int fd = s_epipe_fd (epp);
471 509
472 FD_ZERO (&rfd); 510 FD_ZERO (&rfd);
473 FD_SET (fd, &rfd); 511 FD_SET (fd, &rfd);

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