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iocall.cfa @ 3e2b9c9

ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum

Last change on this file since 3e2b9c9 was 3e2b9c9, checked in by Thierry Delisle <tdelisle@…>, 4 years ago
More restructuring of translation units Unclear if it improves compilation time.
Property mode set to `100644`
File size: 18.8 KB

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1	//
2	// Cforall Version 1.0.0 Copyright (C) 2020 University of Waterloo
3	//
4	// The contents of this file are covered under the licence agreement in the
5	// file "LICENCE" distributed with Cforall.
6	//
7	// iocall.cfa --
8	//
9	// Author : Thierry Delisle
10	// Created On : Wed Jul 1 14:51:00 2020
11	// Last Modified By :
12	// Last Modified On :
13	// Update Count :
14	//
15
16	#define __cforall_thread__
17
18	#include "bits/defs.hfa"
19
20	//=============================================================================================
21	// I/O uring backend
22	//=============================================================================================
23
24	#if defined(CFA_HAVE_LINUX_IO_URING_H)
25	#include <assert.h>
26	#include <stdint.h>
27	#include <errno.h>
28	#include <linux/io_uring.h>
29
30	#include "kernel.hfa"
31	#include "kernel/fwd.hfa"
32	#include "io/types.hfa"
33
34	extern [* struct io_uring_sqe, uint32_t] __submit_alloc( struct __io_data & ring, uint64_t data );
35	extern void __submit( struct io_context * ctx, uint32_t idx ) __attribute__((nonnull (1)));
36
37	static inline void ?{}(struct io_uring_sqe & this, uint8_t opcode, int fd) {
38	this.opcode = opcode;
39	#if !defined(IOSQE_ASYNC)
40	this.flags = 0;
41	#else
42	this.flags = IOSQE_ASYNC;
43	#endif
44	this.ioprio = 0;
45	this.fd = fd;
46	this.off = 0;
47	this.addr = 0;
48	this.len = 0;
49	this.rw_flags = 0;
50	this.__pad2[0] = this.__pad2[1] = this.__pad2[2] = 0;
51	}
52
53	static inline void ?{}(struct io_uring_sqe & this, uint8_t opcode, int fd, void * addr, uint32_t len, uint64_t off ) {
54	(this){ opcode, fd };
55	this.off = off;
56	this.addr = (uint64_t)(uintptr_t)addr;
57	this.len = len;
58	}
59
60	static inline io_context * __get_io_context( void ) {
61	cluster * cltr = active_cluster();
62	/* paranoid */ verifyf( cltr, "No active cluster for io operation\n");
63	assertf( cltr->io.cnt > 0, "Cluster %p has no default io contexts and no context was specified\n", cltr );
64	/* paranoid */ verifyf( cltr->io.ctxs, "default io contexts for cluster %p are missing\n", cltr);
65	return &cltr->io.ctxs[ __tls_rand() % cltr->io.cnt ];
66	}
67
68
69	#if defined(CFA_HAVE_IOSQE_FIXED_FILE) && defined(CFA_HAVE_IOSQE_IO_DRAIN) && defined(CFA_HAVE_IOSQE_ASYNC)
70	#define REGULAR_FLAGS (IOSQE_FIXED_FILE \| IOSQE_IO_DRAIN \| IOSQE_ASYNC)
71	#elif defined(CFA_HAVE_IOSQE_FIXED_FILE) && defined(CFA_HAVE_IOSQE_ASYNC)
72	#define REGULAR_FLAGS (IOSQE_FIXED_FILE \| IOSQE_ASYNC)
73	#elif defined(CFA_HAVE_IOSQE_FIXED_FILE) && defined(CFA_HAVE_IOSQE_IO_DRAIN)
74	#define REGULAR_FLAGS (IOSQE_FIXED_FILE \| IOSQE_IO_DRAIN)
75	#elif defined(CFA_HAVE_IOSQE_IO_DRAIN) && defined(CFA_HAVE_IOSQE_ASYNC)
76	#define REGULAR_FLAGS (IOSQE_IO_DRAIN \| IOSQE_ASYNC)
77	#elif defined(CFA_HAVE_IOSQE_FIXED_FILE)
78	#define REGULAR_FLAGS (IOSQE_FIXED_FILE)
79	#elif defined(CFA_HAVE_IOSQE_IO_DRAIN)
80	#define REGULAR_FLAGS (IOSQE_IO_DRAIN)
81	#elif defined(CFA_HAVE_IOSQE_ASYNC)
82	#define REGULAR_FLAGS (IOSQE_ASYNC)
83	#else
84	#define REGULAR_FLAGS (0)
85	#endif
86
87	#if defined(CFA_HAVE_IOSQE_IO_LINK) && defined(CFA_HAVE_IOSQE_IO_HARDLINK)
88	#define LINK_FLAGS (IOSQE_IO_LINK \| IOSQE_IO_HARDLINK)
89	#elif defined(CFA_HAVE_IOSQE_IO_LINK)
90	#define LINK_FLAGS (IOSQE_IO_LINK)
91	#elif defined(CFA_HAVE_IOSQE_IO_HARDLINK)
92	#define LINK_FLAGS (IOSQE_IO_HARDLINK)
93	#else
94	#define LINK_FLAGS (0)
95	#endif
96
97	#if defined(CFA_HAVE_SPLICE_F_FD_IN_FIXED)
98	#define SPLICE_FLAGS (SPLICE_F_FD_IN_FIXED)
99	#else
100	#define SPLICE_FLAGS (0)
101	#endif
102
103
104	#define __submit_prelude \
105	if( 0 != (submit_flags & LINK_FLAGS) ) { errno = ENOTSUP; return -1; } \
106	(void)timeout; (void)cancellation; \
107	if( !context ) context = __get_io_context(); \
108	__io_user_data_t data = { 0, active_thread() }; \
109	struct __io_data & ring = *context->thrd.ring; \
110	struct io_uring_sqe * sqe; \
111	uint32_t idx; \
112	[sqe, idx] = __submit_alloc( ring, (uint64_t)(uintptr_t)&data ); \
113	sqe->flags = REGULAR_FLAGS & submit_flags;
114
115	#define __submit_wait \
116	/__cfaabi_bits_print_safe( STDERR_FILENO, "Preparing user data %p for %p\n", &data, data.thrd );/ \
117	verify( sqe->user_data == (uint64_t)(uintptr_t)&data ); \
118	__submit( context, idx ); \
119	park( __cfaabi_dbg_ctx ); \
120	if( data.result < 0 ) { \
121	errno = -data.result; \
122	return -1; \
123	} \
124	return data.result;
125	#endif
126
127	//=============================================================================================
128	// I/O Forwards
129	//=============================================================================================
130	#include <time.hfa>
131
132	// Some forward declarations
133	#include <errno.h>
134	#include <unistd.h>
135
136	extern "C" {
137	#include <sys/types.h>
138	#include <sys/socket.h>
139	#include <sys/syscall.h>
140
141	#if defined(HAVE_PREADV2)
142	struct iovec;
143	extern ssize_t preadv2 (int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags);
144	#endif
145	#if defined(HAVE_PWRITEV2)
146	struct iovec;
147	extern ssize_t pwritev2(int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags);
148	#endif
149
150	extern int fsync(int fd);
151	extern int sync_file_range(int fd, int64_t offset, int64_t nbytes, unsigned int flags);
152
153	struct msghdr;
154	struct sockaddr;
155	extern ssize_t sendmsg(int sockfd, const struct msghdr *msg, int flags);
156	extern ssize_t recvmsg(int sockfd, struct msghdr *msg, int flags);
157	extern ssize_t send(int sockfd, const void *buf, size_t len, int flags);
158	extern ssize_t recv(int sockfd, void *buf, size_t len, int flags);
159	extern int accept4(int sockfd, struct sockaddr addr, socklen_t addrlen, int flags);
160	extern int connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
161
162	extern int fallocate(int fd, int mode, uint64_t offset, uint64_t len);
163	extern int posix_fadvise(int fd, uint64_t offset, uint64_t len, int advice);
164	extern int madvise(void *addr, size_t length, int advice);
165
166	extern int openat(int dirfd, const char *pathname, int flags, mode_t mode);
167	extern int close(int fd);
168
169	extern ssize_t read (int fd, void *buf, size_t count);
170
171	extern ssize_t splice(int fd_in, loff_t off_in, int fd_out, loff_t off_out, size_t len, unsigned int flags);
172	extern ssize_t tee(int fd_in, int fd_out, size_t len, unsigned int flags);
173	}
174
175	//=============================================================================================
176	// I/O Interface
177	//=============================================================================================
178
179	//-----------------------------------------------------------------------------
180	// Asynchronous operations
181	#if defined(HAVE_PREADV2)
182	ssize_t cfa_preadv2(int fd, const struct iovec iov, int iovcnt, off_t offset, int flags, int submit_flags, Duration timeout, io_cancellation cancellation, io_context * context) {
183	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_READV)
184	return preadv2(fd, iov, iovcnt, offset, flags);
185	#else
186	__submit_prelude
187
188	(*sqe){ IORING_OP_READV, fd, iov, iovcnt, offset };
189
190	__submit_wait
191	#endif
192	}
193	#endif
194
195	#if defined(HAVE_PWRITEV2)
196	ssize_t cfa_pwritev2(int fd, const struct iovec iov, int iovcnt, off_t offset, int flags, int submit_flags, Duration timeout, io_cancellation cancellation, io_context * context) {
197	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_WRITEV)
198	return pwritev2(fd, iov, iovcnt, offset, flags);
199	#else
200	__submit_prelude
201
202	(*sqe){ IORING_OP_WRITEV, fd, iov, iovcnt, offset };
203
204	__submit_wait
205	#endif
206	}
207	#endif
208
209	int cfa_fsync(int fd, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context) {
210	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_FSYNC)
211	return fsync(fd);
212	#else
213	__submit_prelude
214
215	(*sqe){ IORING_OP_FSYNC, fd };
216
217	__submit_wait
218	#endif
219	}
220
221	int cfa_sync_file_range(int fd, int64_t offset, int64_t nbytes, unsigned int flags, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context) {
222	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_SYNC_FILE_RANGE)
223	return sync_file_range(fd, offset, nbytes, flags);
224	#else
225	__submit_prelude
226
227	(*sqe){ IORING_OP_SYNC_FILE_RANGE, fd };
228	sqe->off = offset;
229	sqe->len = nbytes;
230	sqe->sync_range_flags = flags;
231
232	__submit_wait
233	#endif
234	}
235
236
237	ssize_t cfa_sendmsg(int sockfd, const struct msghdr msg, int flags, int submit_flags, Duration timeout, io_cancellation cancellation, io_context * context) {
238	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_SENDMSG)
239	return sendmsg(sockfd, msg, flags);
240	#else
241	__submit_prelude
242
243	(*sqe){ IORING_OP_SENDMSG, sockfd, msg, 1, 0 };
244	sqe->msg_flags = flags;
245
246	__submit_wait
247	#endif
248	}
249
250	ssize_t cfa_recvmsg(int sockfd, struct msghdr msg, int flags, int submit_flags, Duration timeout, io_cancellation cancellation, io_context * context) {
251	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_RECVMSG)
252	return recvmsg(sockfd, msg, flags);
253	#else
254	__submit_prelude
255
256	(*sqe){ IORING_OP_RECVMSG, sockfd, msg, 1, 0 };
257	sqe->msg_flags = flags;
258
259	__submit_wait
260	#endif
261	}
262
263	ssize_t cfa_send(int sockfd, const void buf, size_t len, int flags, int submit_flags, Duration timeout, io_cancellation cancellation, io_context * context) {
264	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_SEND)
265	return send( sockfd, buf, len, flags );
266	#else
267	__submit_prelude
268
269	(*sqe){ IORING_OP_SEND, sockfd };
270	sqe->addr = (uint64_t)buf;
271	sqe->len = len;
272	sqe->msg_flags = flags;
273
274	__submit_wait
275	#endif
276	}
277
278	ssize_t cfa_recv(int sockfd, void buf, size_t len, int flags, int submit_flags, Duration timeout, io_cancellation cancellation, io_context * context) {
279	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_RECV)
280	return recv( sockfd, buf, len, flags );
281	#else
282	__submit_prelude
283
284	(*sqe){ IORING_OP_RECV, sockfd };
285	sqe->addr = (uint64_t)buf;
286	sqe->len = len;
287	sqe->msg_flags = flags;
288
289	__submit_wait
290	#endif
291	}
292
293	int cfa_accept4(int sockfd, struct sockaddr addr, socklen_t addrlen, int flags, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context) {
294	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_ACCEPT)
295	return accept4( sockfd, addr, addrlen, flags );
296	#else
297	__submit_prelude
298
299	(*sqe){ IORING_OP_ACCEPT, sockfd };
300	sqe->addr = addr;
301	sqe->addr2 = addrlen;
302	sqe->accept_flags = flags;
303
304	__submit_wait
305	#endif
306	}
307
308	int cfa_connect(int sockfd, const struct sockaddr addr, socklen_t addrlen, int submit_flags, Duration timeout, io_cancellation cancellation, io_context * context) {
309	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_CONNECT)
310	return connect( sockfd, addr, addrlen );
311	#else
312	__submit_prelude
313
314	(*sqe){ IORING_OP_CONNECT, sockfd };
315	sqe->addr = (uint64_t)addr;
316	sqe->off = addrlen;
317
318	__submit_wait
319	#endif
320	}
321
322	int cfa_fallocate(int fd, int mode, uint64_t offset, uint64_t len, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context) {
323	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_FALLOCATE)
324	return fallocate( fd, mode, offset, len );
325	#else
326	__submit_prelude
327
328	(*sqe){ IORING_OP_FALLOCATE, fd };
329	sqe->off = offset;
330	sqe->len = length;
331	sqe->mode = mode;
332
333	__submit_wait
334	#endif
335	}
336
337	int cfa_fadvise(int fd, uint64_t offset, uint64_t len, int advice, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context) {
338	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_FADVISE)
339	return posix_fadvise( fd, offset, len, advice );
340	#else
341	__submit_prelude
342
343	(*sqe){ IORING_OP_FADVISE, fd };
344	sqe->off = (uint64_t)offset;
345	sqe->len = length;
346	sqe->fadvise_advice = advice;
347
348	__submit_wait
349	#endif
350	}
351
352	int cfa_madvise(void addr, size_t length, int advice, int submit_flags, Duration timeout, io_cancellation cancellation, io_context * context) {
353	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_MADVISE)
354	return madvise( addr, length, advice );
355	#else
356	__submit_prelude
357
358	(*sqe){ IORING_OP_MADVISE, 0 };
359	sqe->addr = (uint64_t)addr;
360	sqe->len = length;
361	sqe->fadvise_advice = advice;
362
363	__submit_wait
364	#endif
365	}
366
367	int cfa_openat(int dirfd, const char pathname, int flags, mode_t mode, int submit_flags, Duration timeout, io_cancellation cancellation, io_context * context) {
368	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_OPENAT)
369	return openat( dirfd, pathname, flags, mode );
370	#else
371	__submit_prelude
372
373	(*sqe){ IORING_OP_OPENAT, dirfd };
374	sqe->addr = (uint64_t)pathname;
375	sqe->open_flags = flags;
376	sqe->mode = mode;
377
378	__submit_wait
379	#endif
380	}
381
382	int cfa_close(int fd, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context) {
383	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_CLOSE)
384	return close( fd );
385	#else
386	__submit_prelude
387
388	(*sqe){ IORING_OP_CLOSE, fd };
389
390	__submit_wait
391	#endif
392	}
393
394	// Forward declare in case it is not supported
395	struct statx;
396	int cfa_statx(int dirfd, const char pathname, int flags, unsigned int mask, struct statx statxbuf, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context) {
397	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_STATX)
398	#if defined(__NR_statx)
399	return syscall( __NR_statx, dirfd, pathname, flags, mask, statxbuf );
400	#else
401	errno = ENOTSUP;
402	return -1;
403	#endif
404	#else
405	__submit_prelude
406
407	(*sqe){ IORING_OP_STATX, dirfd, pathname, mask, (uint64_t)statxbuf };
408	sqe->statx_flags = flags;
409
410	__submit_wait
411	#endif
412	}
413
414	ssize_t cfa_read(int fd, void buf, size_t count, int submit_flags, Duration timeout, io_cancellation cancellation, io_context * context) {
415	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_READ)
416	return read( fd, buf, count );
417	#else
418	__submit_prelude
419
420	(*sqe){ IORING_OP_READ, fd, buf, count, 0 };
421
422	__submit_wait
423	#endif
424	}
425
426	ssize_t cfa_write(int fd, void buf, size_t count, int submit_flags, Duration timeout, io_cancellation cancellation, io_context * context) {
427	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_WRITE)
428	return read( fd, buf, count );
429	#else
430	__submit_prelude
431
432	(*sqe){ IORING_OP_WRITE, fd, buf, count, 0 };
433
434	__submit_wait
435	#endif
436	}
437
438	ssize_t cfa_splice(int fd_in, loff_t off_in, int fd_out, loff_t off_out, size_t len, unsigned int flags, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context) {
439	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_SPLICE)
440	return splice( fd_in, off_in, fd_out, off_out, len, flags );
441	#else
442	__submit_prelude
443
444	(*sqe){ IORING_OP_SPLICE, fd_out, 0p, len, off_out };
445	sqe->splice_fd_in = fd_in;
446	sqe->splice_off_in = off_in;
447	sqe->splice_flags = flags \| (SPLICE_FLAGS & submit_flags);
448
449	__submit_wait
450	#endif
451	}
452
453	ssize_t cfa_tee(int fd_in, int fd_out, size_t len, unsigned int flags, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context) {
454	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_TEE)
455	return tee( fd_in, fd_out, len, flags );
456	#else
457	__submit_prelude
458
459	(*sqe){ IORING_OP_TEE, fd_out, 0p, len, 0 };
460	sqe->splice_fd_in = fd_in;
461	sqe->splice_flags = flags \| (SPLICE_FLAGS & submit_flags);
462
463	__submit_wait
464	#endif
465	}
466
467	//-----------------------------------------------------------------------------
468	// Check if a function is asynchronous
469
470	// Macro magic to reduce the size of the following switch case
471	#define IS_DEFINED_APPLY(f, ...) f(__VA_ARGS__)
472	#define IS_DEFINED_SECOND(first, second, ...) second
473	#define IS_DEFINED_TEST(expansion) _CFA_IO_FEATURE_##expansion
474	#define IS_DEFINED(macro) IS_DEFINED_APPLY( IS_DEFINED_SECOND,IS_DEFINED_TEST(macro) false, true)
475
476	bool has_user_level_blocking( fptr_t func ) {
477	#if defined(CFA_HAVE_LINUX_IO_URING_H)
478	#if defined(HAVE_PREADV2)
479	if( /func == (fptr_t)preadv2 \|\| /
480	func == (fptr_t)cfa_preadv2 )
481	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_READV ,
482	return IS_DEFINED(CFA_HAVE_IORING_OP_READV);
483	#endif
484
485	#if defined(HAVE_PWRITEV2)
486	if( /func == (fptr_t)pwritev2 \|\| /
487	func == (fptr_t)cfa_pwritev2 )
488	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_WRITEV ,
489	return IS_DEFINED(CFA_HAVE_IORING_OP_WRITEV);
490	#endif
491
492	if( /func == (fptr_t)fsync \|\| /
493	func == (fptr_t)cfa_fsync )
494	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_FSYNC ,
495	return IS_DEFINED(CFA_HAVE_IORING_OP_FSYNC);
496
497	if( /func == (fptr_t)ync_file_range \|\| /
498	func == (fptr_t)cfa_sync_file_range )
499	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_SYNC_FILE_RANGE ,
500	return IS_DEFINED(CFA_HAVE_IORING_OP_SYNC_FILE_RANGE);
501
502	if( /func == (fptr_t)sendmsg \|\| /
503	func == (fptr_t)cfa_sendmsg )
504	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_SENDMSG ,
505	return IS_DEFINED(CFA_HAVE_IORING_OP_SENDMSG);
506
507	if( /func == (fptr_t)recvmsg \|\| /
508	func == (fptr_t)cfa_recvmsg )
509	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_RECVMSG ,
510	return IS_DEFINED(CFA_HAVE_IORING_OP_RECVMSG);
511
512	if( /func == (fptr_t)send \|\| /
513	func == (fptr_t)cfa_send )
514	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_SEND ,
515	return IS_DEFINED(CFA_HAVE_IORING_OP_SEND);
516
517	if( /func == (fptr_t)recv \|\| /
518	func == (fptr_t)cfa_recv )
519	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_RECV ,
520	return IS_DEFINED(CFA_HAVE_IORING_OP_RECV);
521
522	if( /func == (fptr_t)accept4 \|\| /
523	func == (fptr_t)cfa_accept4 )
524	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_ACCEPT ,
525	return IS_DEFINED(CFA_HAVE_IORING_OP_ACCEPT);
526
527	if( /func == (fptr_t)connect \|\| /
528	func == (fptr_t)cfa_connect )
529	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_CONNECT ,
530	return IS_DEFINED(CFA_HAVE_IORING_OP_CONNECT);
531
532	if( /func == (fptr_t)fallocate \|\| /
533	func == (fptr_t)cfa_fallocate )
534	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_FALLOCATE ,
535	return IS_DEFINED(CFA_HAVE_IORING_OP_FALLOCATE);
536
537	if( /func == (fptr_t)posix_fadvise \|\| /
538	func == (fptr_t)cfa_fadvise )
539	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_FADVISE ,
540	return IS_DEFINED(CFA_HAVE_IORING_OP_FADVISE);
541
542	if( /func == (fptr_t)madvise \|\| /
543	func == (fptr_t)cfa_madvise )
544	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_MADVISE ,
545	return IS_DEFINED(CFA_HAVE_IORING_OP_MADVISE);
546
547	if( /func == (fptr_t)openat \|\| /
548	func == (fptr_t)cfa_openat )
549	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_OPENAT ,
550	return IS_DEFINED(CFA_HAVE_IORING_OP_OPENAT);
551
552	if( /func == (fptr_t)close \|\| /
553	func == (fptr_t)cfa_close )
554	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_CLOSE ,
555	return IS_DEFINED(CFA_HAVE_IORING_OP_CLOSE);
556
557	if( /func == (fptr_t)read \|\| /
558	func == (fptr_t)cfa_read )
559	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_READ ,
560	return IS_DEFINED(CFA_HAVE_IORING_OP_READ);
561
562	if( /func == (fptr_t)write \|\| /
563	func == (fptr_t)cfa_write )
564	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_WRITE ,
565	return IS_DEFINED(CFA_HAVE_IORING_OP_WRITE);
566
567	if( /func == (fptr_t)splice \|\| /
568	func == (fptr_t)cfa_splice )
569	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_SPLICE ,
570	return IS_DEFINED(CFA_HAVE_IORING_OP_SPLICE);
571
572	if( /func == (fptr_t)tee \|\| /
573	func == (fptr_t)cfa_tee )
574	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_TEE ,
575	return IS_DEFINED(CFA_HAVE_IORING_OP_TEE);
576	#endif
577
578	return false;
579	}

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