Ruby: ext/socket/unixsocket.c Source File

Ruby 3.0.5p211 (2022-11-24 revision ba5cf0f7c52d4d35cc6a173c89eda98ceffa2dcf)

unixsocket.c
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1/************************************************
2
3 unixsocket.c -
4
5 created at: Thu Mar 31 12:21:29 JST 1994
6
7 Copyright (C) 1993-2007 Yukihiro Matsumoto
8
9************************************************/
10
11#include "rubysocket.h"
12
13#ifdef HAVE_SYS_UN_H
14struct unixsock_arg {
15 struct sockaddr_un *sockaddr;
16 socklen_t sockaddrlen;
17 int fd;
18};
19
20static VALUE
21unixsock_connect_internal(VALUE a)
22{
23 struct unixsock_arg *arg = (struct unixsock_arg *)a;
24 return (VALUE)rsock_connect(arg->fd, (struct sockaddr*)arg->sockaddr,
25 arg->sockaddrlen, 0, NULL);
26}
27
28static VALUE
29unixsock_path_value(VALUE path)
30{
31#ifdef __linux__
32#define TO_STR_FOR_LINUX_ABSTRACT_NAMESPACE 0
33
34 VALUE name = path;
35#if TO_STR_FOR_LINUX_ABSTRACT_NAMESPACE
36 const int isstr = !NIL_P(name = rb_check_string_type(name));
37#else
38 const int isstr = RB_TYPE_P(name, T_STRING);
39#endif
40 if (isstr) {
41 if (RSTRING_LEN(name) == 0 || RSTRING_PTR(name)[0] == '\0') {
42 return name; /* ignore encoding */
43 }
44 }
45#endif
46 return rb_get_path(path);
47}
48
49 VALUE
50 rsock_init_unixsock(VALUE sock, VALUE path, int server)
51{
52 struct sockaddr_un sockaddr;
53 socklen_t sockaddrlen;
54 int fd, status;
55 rb_io_t *fptr;
56
57 path = unixsock_path_value(path);
58
59 INIT_SOCKADDR_UN(&sockaddr, sizeof(struct sockaddr_un));
60 if (sizeof(sockaddr.sun_path) < (size_t)RSTRING_LEN(path)) {
61 rb_raise(rb_eArgError, "too long unix socket path (%ldbytes given but %dbytes max)",
62 RSTRING_LEN(path), (int)sizeof(sockaddr.sun_path));
63 }
64 memcpy(sockaddr.sun_path, RSTRING_PTR(path), RSTRING_LEN(path));
65 sockaddrlen = rsock_unix_sockaddr_len(path);
66
67 fd = rsock_socket(AF_UNIX, SOCK_STREAM, 0);
68 if (fd < 0) {
69 rsock_sys_fail_path("socket(2)", path);
70 }
71
72 if (server) {
73 status = bind(fd, (struct sockaddr*)&sockaddr, sockaddrlen);
74 }
75 else {
76 int prot;
77 struct unixsock_arg arg;
78 arg.sockaddr = &sockaddr;
79 arg.sockaddrlen = sockaddrlen;
80 arg.fd = fd;
81 status = (int)rb_protect(unixsock_connect_internal, (VALUE)&arg, &prot);
82 if (prot) {
83 close(fd);
84 rb_jump_tag(prot);
85 }
86 }
87
88 if (status < 0) {
89 int e = errno;
90 close(fd);
91 rsock_syserr_fail_path(e, "connect(2)", path);
92 }
93
94 if (server) {
95 if (listen(fd, SOMAXCONN) < 0) {
96 int e = errno;
97 close(fd);
98 rsock_syserr_fail_path(e, "listen(2)", path);
99 }
100 }
101
102 rsock_init_sock(sock, fd);
103 if (server) {
104 GetOpenFile(sock, fptr);
105 fptr->pathv = rb_str_new_frozen(path);
106 }
107
108 return sock;
109}
110
111/*
112 * call-seq:
113 * UNIXSocket.new(path) => unixsocket
114 *
115 * Creates a new UNIX client socket connected to _path_.
116 *
117 * require 'socket'
118 *
119 * s = UNIXSocket.new("/tmp/sock")
120 * s.send "hello", 0
121 *
122 */
123static VALUE
124unix_init(VALUE sock, VALUE path)
125{
126 return rsock_init_unixsock(sock, path, 0);
127}
128
129/*
130 * call-seq:
131 * unixsocket.path => path
132 *
133 * Returns the path of the local address of unixsocket.
134 *
135 * s = UNIXServer.new("/tmp/sock")
136 * p s.path #=> "/tmp/sock"
137 *
138 */
139static VALUE
140unix_path(VALUE sock)
141{
142 rb_io_t *fptr;
143
144 GetOpenFile(sock, fptr);
145 if (NIL_P(fptr->pathv)) {
146 struct sockaddr_un addr;
147 socklen_t len = (socklen_t)sizeof(addr);
148 socklen_t len0 = len;
149 if (getsockname(fptr->fd, (struct sockaddr*)&addr, &len) < 0)
150 rsock_sys_fail_path("getsockname(2)", fptr->pathv);
151 if (len0 < len) len = len0;
152 fptr->pathv = rb_obj_freeze(rsock_unixpath_str(&addr, len));
153 }
154 return rb_str_dup(fptr->pathv);
155}
156
157/*
158 * call-seq:
159 * unixsocket.recvfrom(maxlen [, flags[, outbuf]]) => [mesg, unixaddress]
160 *
161 * Receives a message via _unixsocket_.
162 *
163 * _maxlen_ is the maximum number of bytes to receive.
164 *
165 * _flags_ should be a bitwise OR of Socket::MSG_* constants.
166 *
167 * _outbuf_ will contain only the received data after the method call
168 * even if it is not empty at the beginning.
169 *
170 * s1 = Socket.new(:UNIX, :DGRAM, 0)
171 * s1_ai = Addrinfo.unix("/tmp/sock1")
172 * s1.bind(s1_ai)
173 *
174 * s2 = Socket.new(:UNIX, :DGRAM, 0)
175 * s2_ai = Addrinfo.unix("/tmp/sock2")
176 * s2.bind(s2_ai)
177 * s3 = UNIXSocket.for_fd(s2.fileno)
178 *
179 * s1.send "a", 0, s2_ai
180 * p s3.recvfrom(10) #=> ["a", ["AF_UNIX", "/tmp/sock1"]]
181 *
182 */
183static VALUE
184unix_recvfrom(int argc, VALUE *argv, VALUE sock)
185{
186 return rsock_s_recvfrom(sock, argc, argv, RECV_UNIX);
187}
188
189#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) && defined(SCM_RIGHTS)
190#define FD_PASSING_BY_MSG_CONTROL 1
191#else
192#define FD_PASSING_BY_MSG_CONTROL 0
193#endif
194
195#if defined(HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS)
196#define FD_PASSING_BY_MSG_ACCRIGHTS 1
197#else
198#define FD_PASSING_BY_MSG_ACCRIGHTS 0
199#endif
200
201struct iomsg_arg {
202 int fd;
203 struct msghdr msg;
204};
205
206#if defined(HAVE_SENDMSG) && (FD_PASSING_BY_MSG_CONTROL || FD_PASSING_BY_MSG_ACCRIGHTS)
207static VALUE
208sendmsg_blocking(void *data)
209{
210 struct iomsg_arg *arg = data;
211 return sendmsg(arg->fd, &arg->msg, 0);
212}
213
214/*
215 * call-seq:
216 * unixsocket.send_io(io) => nil
217 *
218 * Sends _io_ as file descriptor passing.
219 *
220 * s1, s2 = UNIXSocket.pair
221 *
222 * s1.send_io STDOUT
223 * stdout = s2.recv_io
224 *
225 * p STDOUT.fileno #=> 1
226 * p stdout.fileno #=> 6
227 *
228 * stdout.puts "hello" # outputs "hello\n" to standard output.
229 *
230 * _io_ may be any kind of IO object or integer file descriptor.
231 */
232static VALUE
233unix_send_io(VALUE sock, VALUE val)
234{
235 int fd;
236 rb_io_t *fptr;
237 struct iomsg_arg arg;
238 struct iovec vec[1];
239 char buf[1];
240
241#if FD_PASSING_BY_MSG_CONTROL
242 union {
243 struct cmsghdr hdr;
244 char pad[sizeof(struct cmsghdr)+8+sizeof(int)+8];
245 } cmsg;
246#endif
247
248 if (rb_obj_is_kind_of(val, rb_cIO)) {
249 rb_io_t *valfptr;
250 GetOpenFile(val, valfptr);
251 fd = valfptr->fd;
252 }
253 else if (FIXNUM_P(val)) {
254 fd = FIX2INT(val);
255 }
256 else {
257 rb_raise(rb_eTypeError, "neither IO nor file descriptor");
258 }
259
260 GetOpenFile(sock, fptr);
261
262 arg.msg.msg_name = NULL;
263 arg.msg.msg_namelen = 0;
264
265 /* Linux and Solaris doesn't work if msg_iov is NULL. */
266 buf[0] = '\0';
267 vec[0].iov_base = buf;
268 vec[0].iov_len = 1;
269 arg.msg.msg_iov = vec;
270 arg.msg.msg_iovlen = 1;
271
272#if FD_PASSING_BY_MSG_CONTROL
273 arg.msg.msg_control = (caddr_t)&cmsg;
274 arg.msg.msg_controllen = (socklen_t)CMSG_LEN(sizeof(int));
275 arg.msg.msg_flags = 0;
276 MEMZERO((char*)&cmsg, char, sizeof(cmsg));
277 cmsg.hdr.cmsg_len = (socklen_t)CMSG_LEN(sizeof(int));
278 cmsg.hdr.cmsg_level = SOL_SOCKET;
279 cmsg.hdr.cmsg_type = SCM_RIGHTS;
280 memcpy(CMSG_DATA(&cmsg.hdr), &fd, sizeof(int));
281#else
282 arg.msg.msg_accrights = (caddr_t)&fd;
283 arg.msg.msg_accrightslen = sizeof(fd);
284#endif
285
286 arg.fd = fptr->fd;
287 while ((int)BLOCKING_REGION_FD(sendmsg_blocking, &arg) == -1) {
288 if (!rb_io_wait_writable(arg.fd))
289 rsock_sys_fail_path("sendmsg(2)", fptr->pathv);
290 }
291
292 return Qnil;
293}
294#else
295#define unix_send_io rb_f_notimplement
296#endif
297
298#if defined(HAVE_RECVMSG) && (FD_PASSING_BY_MSG_CONTROL || FD_PASSING_BY_MSG_ACCRIGHTS)
299static VALUE
300recvmsg_blocking(void *data)
301{
302 struct iomsg_arg *arg = data;
303 int flags = 0;
304 return rsock_recvmsg(arg->fd, &arg->msg, flags);
305}
306
307/*
308 * call-seq:
309 * unixsocket.recv_io([klass [, mode]]) => io
310 *
311 * Example
312 *
313 * UNIXServer.open("/tmp/sock") {|serv|
314 * UNIXSocket.open("/tmp/sock") {|c|
315 * s = serv.accept
316 *
317 * c.send_io STDOUT
318 * stdout = s.recv_io
319 *
320 * p STDOUT.fileno #=> 1
321 * p stdout.fileno #=> 7
322 *
323 * stdout.puts "hello" # outputs "hello\n" to standard output.
324 * }
325 * }
326 *
327 * _klass_ will determine the class of _io_ returned (using the
328 * IO.for_fd singleton method or similar).
329 * If _klass_ is +nil+, an integer file descriptor is returned.
330 *
331 * _mode_ is the same as the argument passed to IO.for_fd
332 */
333static VALUE
334unix_recv_io(int argc, VALUE *argv, VALUE sock)
335{
336 VALUE klass, mode;
337 rb_io_t *fptr;
338 struct iomsg_arg arg;
339 struct iovec vec[2];
340 char buf[1];
341 unsigned int gc_reason = 0;
342 enum {
343 GC_REASON_EMSGSIZE = 0x1,
344 GC_REASON_TRUNCATE = 0x2,
345 GC_REASON_ENOMEM = 0x4
346 };
347
348 int fd;
349#if FD_PASSING_BY_MSG_CONTROL
350 union {
351 struct cmsghdr hdr;
352 char pad[sizeof(struct cmsghdr)+8+sizeof(int)+8];
353 } cmsg;
354#endif
355
356 rb_scan_args(argc, argv, "02", &klass, &mode);
357 if (argc == 0)
358 klass = rb_cIO;
359 if (argc <= 1)
360 mode = Qnil;
361
362retry:
363 GetOpenFile(sock, fptr);
364
365 arg.msg.msg_name = NULL;
366 arg.msg.msg_namelen = 0;
367
368 vec[0].iov_base = buf;
369 vec[0].iov_len = sizeof(buf);
370 arg.msg.msg_iov = vec;
371 arg.msg.msg_iovlen = 1;
372
373#if FD_PASSING_BY_MSG_CONTROL
374 arg.msg.msg_control = (caddr_t)&cmsg;
375 arg.msg.msg_controllen = (socklen_t)CMSG_SPACE(sizeof(int));
376 arg.msg.msg_flags = 0;
377 cmsg.hdr.cmsg_len = (socklen_t)CMSG_LEN(sizeof(int));
378 cmsg.hdr.cmsg_level = SOL_SOCKET;
379 cmsg.hdr.cmsg_type = SCM_RIGHTS;
380 fd = -1;
381 memcpy(CMSG_DATA(&cmsg.hdr), &fd, sizeof(int));
382#else
383 arg.msg.msg_accrights = (caddr_t)&fd;
384 arg.msg.msg_accrightslen = sizeof(fd);
385 fd = -1;
386#endif
387
388 arg.fd = fptr->fd;
389 while ((int)BLOCKING_REGION_FD(recvmsg_blocking, &arg) == -1) {
390 int e = errno;
391 if (e == EMSGSIZE && !(gc_reason & GC_REASON_EMSGSIZE)) {
392 /* FreeBSD gets here when we're out of FDs */
393 gc_reason |= GC_REASON_EMSGSIZE;
394 rb_gc_for_fd(EMFILE);
395 goto retry;
396 }
397 else if (e == ENOMEM && !(gc_reason & GC_REASON_ENOMEM)) {
398 /* ENOMEM is documented in recvmsg manpages */
399 gc_reason |= GC_REASON_ENOMEM;
400 rb_gc_for_fd(e);
401 goto retry;
402 }
403 if (!rb_io_wait_readable(arg.fd))
404 rsock_syserr_fail_path(e, "recvmsg(2)", fptr->pathv);
405 }
406
407#if FD_PASSING_BY_MSG_CONTROL
408 if (arg.msg.msg_controllen < (socklen_t)sizeof(struct cmsghdr)) {
409 /* FreeBSD and Linux both get here when we're out of FDs */
410 if (!(gc_reason & GC_REASON_TRUNCATE)) {
411 gc_reason |= GC_REASON_TRUNCATE;
412 rb_gc_for_fd(EMFILE);
413 goto retry;
414 }
415 rb_raise(rb_eSocket,
416 "file descriptor was not passed (msg_controllen=%d smaller than sizeof(struct cmsghdr)=%d)",
417 (int)arg.msg.msg_controllen, (int)sizeof(struct cmsghdr));
418 }
419 if (cmsg.hdr.cmsg_level != SOL_SOCKET) {
420 rb_raise(rb_eSocket,
421 "file descriptor was not passed (cmsg_level=%d, %d expected)",
422 cmsg.hdr.cmsg_level, SOL_SOCKET);
423 }
424 if (cmsg.hdr.cmsg_type != SCM_RIGHTS) {
425 rb_raise(rb_eSocket,
426 "file descriptor was not passed (cmsg_type=%d, %d expected)",
427 cmsg.hdr.cmsg_type, SCM_RIGHTS);
428 }
429 if (arg.msg.msg_controllen < (socklen_t)CMSG_LEN(sizeof(int))) {
430 rb_raise(rb_eSocket,
431 "file descriptor was not passed (msg_controllen=%d smaller than CMSG_LEN(sizeof(int))=%d)",
432 (int)arg.msg.msg_controllen, (int)CMSG_LEN(sizeof(int)));
433 }
434 if ((socklen_t)CMSG_SPACE(sizeof(int)) < arg.msg.msg_controllen) {
435 rb_raise(rb_eSocket,
436 "file descriptor was not passed (msg_controllen=%d bigger than CMSG_SPACE(sizeof(int))=%d)",
437 (int)arg.msg.msg_controllen, (int)CMSG_SPACE(sizeof(int)));
438 }
439 if (cmsg.hdr.cmsg_len != CMSG_LEN(sizeof(int))) {
440 rsock_discard_cmsg_resource(&arg.msg, 0);
441 rb_raise(rb_eSocket,
442 "file descriptor was not passed (cmsg_len=%d, %d expected)",
443 (int)cmsg.hdr.cmsg_len, (int)CMSG_LEN(sizeof(int)));
444 }
445#else
446 if (arg.msg.msg_accrightslen != sizeof(fd)) {
447 rb_raise(rb_eSocket,
448 "file descriptor was not passed (accrightslen=%d, %d expected)",
449 arg.msg.msg_accrightslen, (int)sizeof(fd));
450 }
451#endif
452
453#if FD_PASSING_BY_MSG_CONTROL
454 memcpy(&fd, CMSG_DATA(&cmsg.hdr), sizeof(int));
455#endif
456
457 rb_update_max_fd(fd);
458 rb_maygvl_fd_fix_cloexec(fd);
459
460 if (klass == Qnil)
461 return INT2FIX(fd);
462 else {
463 ID for_fd;
464 int ff_argc;
465 VALUE ff_argv[2];
466 CONST_ID(for_fd, "for_fd");
467 ff_argc = mode == Qnil ? 1 : 2;
468 ff_argv[0] = INT2FIX(fd);
469 ff_argv[1] = mode;
470 return rb_funcallv(klass, for_fd, ff_argc, ff_argv);
471 }
472}
473#else
474#define unix_recv_io rb_f_notimplement
475#endif
476
477/*
478 * call-seq:
479 * unixsocket.addr => [address_family, unix_path]
480 *
481 * Returns the local address as an array which contains
482 * address_family and unix_path.
483 *
484 * Example
485 * serv = UNIXServer.new("/tmp/sock")
486 * p serv.addr #=> ["AF_UNIX", "/tmp/sock"]
487 */
488static VALUE
489unix_addr(VALUE sock)
490{
491 rb_io_t *fptr;
492 struct sockaddr_un addr;
493 socklen_t len = (socklen_t)sizeof addr;
494 socklen_t len0 = len;
495
496 GetOpenFile(sock, fptr);
497
498 if (getsockname(fptr->fd, (struct sockaddr*)&addr, &len) < 0)
499 rsock_sys_fail_path("getsockname(2)", fptr->pathv);
500 if (len0 < len) len = len0;
501 return rsock_unixaddr(&addr, len);
502}
503
504/*
505 * call-seq:
506 * unixsocket.peeraddr => [address_family, unix_path]
507 *
508 * Returns the remote address as an array which contains
509 * address_family and unix_path.
510 *
511 * Example
512 * serv = UNIXServer.new("/tmp/sock")
513 * c = UNIXSocket.new("/tmp/sock")
514 * p c.peeraddr #=> ["AF_UNIX", "/tmp/sock"]
515 */
516static VALUE
517unix_peeraddr(VALUE sock)
518{
519 rb_io_t *fptr;
520 struct sockaddr_un addr;
521 socklen_t len = (socklen_t)sizeof addr;
522 socklen_t len0 = len;
523
524 GetOpenFile(sock, fptr);
525
526 if (getpeername(fptr->fd, (struct sockaddr*)&addr, &len) < 0)
527 rsock_sys_fail_path("getpeername(2)", fptr->pathv);
528 if (len0 < len) len = len0;
529 return rsock_unixaddr(&addr, len);
530}
531
532/*
533 * call-seq:
534 * UNIXSocket.pair([type [, protocol]]) => [unixsocket1, unixsocket2]
535 * UNIXSocket.socketpair([type [, protocol]]) => [unixsocket1, unixsocket2]
536 *
537 * Creates a pair of sockets connected to each other.
538 *
539 * _socktype_ should be a socket type such as: :STREAM, :DGRAM, :RAW, etc.
540 *
541 * _protocol_ should be a protocol defined in the domain.
542 * 0 is default protocol for the domain.
543 *
544 * s1, s2 = UNIXSocket.pair
545 * s1.send "a", 0
546 * s1.send "b", 0
547 * p s2.recv(10) #=> "ab"
548 *
549 */
550static VALUE
551unix_s_socketpair(int argc, VALUE *argv, VALUE klass)
552{
553 VALUE domain, type, protocol;
554 VALUE args[3];
555
556 domain = INT2FIX(PF_UNIX);
557 rb_scan_args(argc, argv, "02", &type, &protocol);
558 if (argc == 0)
559 type = INT2FIX(SOCK_STREAM);
560 if (argc <= 1)
561 protocol = INT2FIX(0);
562
563 args[0] = domain;
564 args[1] = type;
565 args[2] = protocol;
566
567 return rsock_sock_s_socketpair(3, args, klass);
568}
569#endif
570
571void
572 rsock_init_unixsocket(void)
573{
574#ifdef HAVE_SYS_UN_H
575 /*
576 * Document-class: UNIXSocket < BasicSocket
577 *
578 * UNIXSocket represents a UNIX domain stream client socket.
579 */
580 rb_cUNIXSocket = rb_define_class("UNIXSocket", rb_cBasicSocket);
581 rb_define_method(rb_cUNIXSocket, "initialize", unix_init, 1);
582 rb_define_method(rb_cUNIXSocket, "path", unix_path, 0);
583 rb_define_method(rb_cUNIXSocket, "addr", unix_addr, 0);
584 rb_define_method(rb_cUNIXSocket, "peeraddr", unix_peeraddr, 0);
585 rb_define_method(rb_cUNIXSocket, "recvfrom", unix_recvfrom, -1);
586 rb_define_method(rb_cUNIXSocket, "send_io", unix_send_io, 1);
587 rb_define_method(rb_cUNIXSocket, "recv_io", unix_recv_io, -1);
588 rb_define_singleton_method(rb_cUNIXSocket, "socketpair", unix_s_socketpair, -1);
589 rb_define_singleton_method(rb_cUNIXSocket, "pair", unix_s_socketpair, -1);
590#endif
591}
rb_define_method
#define rb_define_method(klass, mid, func, arity)
Defines klass#mid.
Definition: cxxanyargs.hpp:653
rb_define_singleton_method
#define rb_define_singleton_method(klass, mid, func, arity)
Defines klass.mid.
Definition: cxxanyargs.hpp:668
len
uint8_t len
Definition: escape.c:17
RSTRING_LEN
#define RSTRING_LEN(string)
Definition: fbuffer.h:22
RSTRING_PTR
#define RSTRING_PTR(string)
Definition: fbuffer.h:19
memcpy
#define memcpy(d, s, n)
Definition: ffi_common.h:55
rb_get_path
VALUE rb_get_path(VALUE obj)
Definition: file.c:245
socklen_t
int socklen_t
Definition: getaddrinfo.c:83
rb_cIO
VALUE rb_cIO
Definition: io.c:183
rb_define_class
VALUE rb_define_class(const char *name, VALUE super)
Defines a top-level class.
Definition: class.c:748
rb_scan_args
int rb_scan_args(int argc, const VALUE *argv, const char *fmt,...)
Definition: class.c:2296
rb_raise
void rb_raise(VALUE exc, const char *fmt,...)
Definition: error.c:2917
rb_eTypeError
VALUE rb_eTypeError
Definition: error.c:1057
rb_protect
VALUE rb_protect(VALUE(*proc)(VALUE), VALUE data, int *pstate)
Protects a function call from potential global escapes from the function.
Definition: eval.c:1105
rb_eArgError
VALUE rb_eArgError
Definition: error.c:1058
rb_jump_tag
void rb_jump_tag(int tag)
Continues the exception caught by rb_protect() and rb_eval_string_protect().
Definition: eval.c:921
rb_obj_is_kind_of
VALUE rb_obj_is_kind_of(VALUE, VALUE)
Determines if obj is a kind of c.
Definition: object.c:724
rb_obj_freeze
VALUE rb_obj_freeze(VALUE)
Make the object unmodifiable.
Definition: object.c:1101
rb_update_max_fd
void rb_update_max_fd(int fd)
Definition: io.c:233
rb_check_string_type
VALUE rb_check_string_type(VALUE)
Definition: string.c:2462
rb_str_new_frozen
VALUE rb_str_new_frozen(VALUE)
Definition: string.c:1273
rb_str_dup
VALUE rb_str_dup(VALUE)
Definition: string.c:1631
CONST_ID
#define CONST_ID
Definition: symbol.h:47
GetOpenFile
#define GetOpenFile
Definition: io.h:125
rb_io_wait_writable
int rb_io_wait_writable(int fd)
Definition: io.c:1341
rb_io_wait_readable
int rb_io_wait_readable(int fd)
Definition: io.c:1307
rb_eSocket
VALUE rb_eSocket
Definition: init.c:29
rsock_socket
int rsock_socket(int domain, int type, int proto)
Definition: init.c:437
rsock_init_sock
VALUE rsock_init_sock(VALUE sock, int fd)
Definition: init.c:78
rsock_s_recvfrom
VALUE rsock_s_recvfrom(VALUE sock, int argc, VALUE *argv, enum sock_recv_type from)
Definition: init.c:169
rsock_connect
int rsock_connect(int fd, const struct sockaddr *sockaddr, int len, int socks, struct timeval *timeout)
Definition: init.c:559
rb_cBasicSocket
VALUE rb_cBasicSocket
Definition: init.c:17
FIX2INT
#define FIX2INT
Definition: int.h:41
rb_maygvl_fd_fix_cloexec
void rb_maygvl_fd_fix_cloexec(int fd)
Definition: io.c:260
rb_gc_for_fd
int rb_gc_for_fd(int err)
Definition: io.c:1010
rb_funcallv
#define rb_funcallv(...)
Definition: internal.h:77
int
typedef int(ZCALLBACK *close_file_func) OF((voidpf opaque
mode
const char int mode
Definition: ioapi.h:137
buf
voidpf void * buf
Definition: ioapi.h:138
INT2FIX
#define INT2FIX
Definition: long.h:48
MEMZERO
#define MEMZERO(p, type, n)
Definition: memory.h:128
ruby::backward::cxxanyargs::type
VALUE type(ANYARGS)
ANYARGS-ed function type.
Definition: cxxanyargs.hpp:56
name
const char * name
Definition: nkf.c:208
NULL
#define NULL
Definition: regenc.h:69
argc
int argc
Definition: ruby.c:240
argv
char ** argv
Definition: ruby.c:241
rubysocket.h
rsock_init_unixsock
VALUE rsock_init_unixsock(VALUE sock, VALUE path, int server)
rsock_syserr_fail_path
void rsock_syserr_fail_path(int err, const char *, VALUE)
Definition: socket.c:41
RECV_UNIX
@ RECV_UNIX
Definition: rubysocket.h:366
rsock_sys_fail_path
void rsock_sys_fail_path(const char *, VALUE)
Definition: socket.c:35
BLOCKING_REGION_FD
#define BLOCKING_REGION_FD(func, arg)
Definition: rubysocket.h:290
SOMAXCONN
#define SOMAXCONN
Definition: constdefs.h:1849
rsock_sock_s_socketpair
#define rsock_sock_s_socketpair
Definition: socket.c:271
Qnil
#define Qnil
Definition: special_consts.h:51
NIL_P
#define NIL_P
Definition: special_consts.h:46
FIXNUM_P
#define FIXNUM_P
Definition: special_consts.h:44
iovec
Definition: win32.h:218
msghdr
Definition: win32.h:222
rb_io_t
Definition: io.h:61
rb_io_t::fd
int fd
Definition: io.h:65
rb_io_t::pathv
VALUE pathv
Definition: io.h:69
rsock_init_unixsocket
void rsock_init_unixsocket(void)
Definition: unixsocket.c:572
VALUE
unsigned long VALUE
Definition: value.h:38
ID
unsigned long ID
Definition: value.h:39
T_STRING
#define T_STRING
Definition: value_type.h:77
sendmsg
int sendmsg(int, const struct msghdr *, int)
Definition: win32.c:3732
EMSGSIZE
#define EMSGSIZE
Definition: win32.h:483