source: libcfa/src/concurrency/iocall.cfa@ 21b0a23

ADT arm-eh ast-experimental enum forall-pointer-decay jacob/cs343-translation new-ast new-ast-unique-expr pthread-emulation qualifiedEnum
Last change on this file since 21b0a23 was 1a39a5a, checked in by Thierry Delisle <tdelisle@…>, 5 years ago

Fixed compilation failure without io_uring
  • Property mode set to 100644
File size: 18.8 KB
Line 
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#include "kernel.hfa"
20
21//=============================================================================================
22// I/O uring backend
23//=============================================================================================
24
25#if defined(CFA_HAVE_LINUX_IO_URING_H)
26 #include <assert.h>
27 #include <stdint.h>
28 #include <errno.h>
29 #include <linux/io_uring.h>
30
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
136extern "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
209int 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
221int 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
237ssize_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
250ssize_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
263ssize_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
278ssize_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
293int 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
308int 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
322int 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
337int 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
352int 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
367int 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
382int 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
395struct statx;
396int 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
414ssize_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
426ssize_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
438ssize_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
453ssize_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
476bool 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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