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/cvs/libev/ev_iouring.c
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Comparing libev/ev_iouring.c (file contents):
Revision 1.11 by root, Fri Dec 27 21:56:29 2019 UTC vs.
Revision 1.12 by root, Fri Dec 27 22:16:10 2019 UTC

… …
87/* TODO: resize cq/sq size independently */ 87/* TODO: resize cq/sq size independently */
88 88
89#include <sys/timerfd.h> 89#include <sys/timerfd.h>
90#include <sys/mman.h> 90#include <sys/mman.h>
91#include <poll.h> 91#include <poll.h>
92#include <stdint.h>
92 93
93#define IOURING_INIT_ENTRIES 32 94#define IOURING_INIT_ENTRIES 32
94 95
95/*****************************************************************************/ 96/*****************************************************************************/
96/* syscall wrapdadoop - this section has the raw api/abi definitions */ 97/* syscall wrapdadoop - this section has the raw api/abi definitions */
… …
173 __u32 resv[4]; 174 __u32 resv[4];
174 struct io_sqring_offsets sq_off; 175 struct io_sqring_offsets sq_off;
175 struct io_cqring_offsets cq_off; 176 struct io_cqring_offsets cq_off;
176}; 177};
177 178
179#define IORING_SETUP_CQSIZE 0x00000008
180
178#define IORING_OP_POLL_ADD 6 181#define IORING_OP_POLL_ADD 6
179#define IORING_OP_POLL_REMOVE 7 182#define IORING_OP_POLL_REMOVE 7
183#define IORING_OP_TIMEOUT 11
184#define IORING_OP_TIMEOUT_REMOVE 12
185
186/* relative or absolute, reference clock is CLOCK_MONOTONIC */
187struct iouring_kernel_timespec
188{
189 int64_t tv_sec;
190 long long tv_nsec;
191};
192
193#define IORING_TIMEOUT_ABS 0x00000001
180 194
181#define IORING_ENTER_GETEVENTS 0x01 195#define IORING_ENTER_GETEVENTS 0x01
182 196
183#define IORING_OFF_SQ_RING 0x00000000ULL 197#define IORING_OFF_SQ_RING 0x00000000ULL
184#define IORING_OFF_CQ_RING 0x08000000ULL 198#define IORING_OFF_CQ_RING 0x08000000ULL
185#define IORING_OFF_SQES 0x10000000ULL 199#define IORING_OFF_SQES 0x10000000ULL
186 200
187#define IORING_FEAT_SINGLE_MMAP 0x1 201#define IORING_FEAT_SINGLE_MMAP 0x00000001
188#define IORING_FEAT_NODROP 0x2 202#define IORING_FEAT_NODROP 0x00000002
189#define IORING_FEAT_SUBMIT_STABLE 0x4 203#define IORING_FEAT_SUBMIT_STABLE 0x00000004
190 204
191inline_size 205inline_size
192int 206int
193evsys_io_uring_setup (unsigned entries, struct io_uring_params *params) 207evsys_io_uring_setup (unsigned entries, struct io_uring_params *params)
194{ 208{
… …
288 302
289 iouring_tfd = -1; 303 iouring_tfd = -1;
290 iouring_sq_ring = MAP_FAILED; 304 iouring_sq_ring = MAP_FAILED;
291 iouring_cq_ring = MAP_FAILED; 305 iouring_cq_ring = MAP_FAILED;
292 iouring_sqes = MAP_FAILED; 306 iouring_sqes = MAP_FAILED;
307
308 if (!have_monotonic) /* cannot really happen, but what if11 */
309 return -1;
293 310
294 for (;;) 311 for (;;)
295 { 312 {
296 iouring_fd = evsys_io_uring_setup (iouring_entries, &params); 313 iouring_fd = evsys_io_uring_setup (iouring_entries, &params);
297 314

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