| 1 | /* |
1 | /* |
| 2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
| 3 | * |
3 | * |
| 4 | * Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007-2020 Marc Alexander Lehmann <libev@schmorp.de> |
| 5 | * All rights reserved. |
5 | * All rights reserved. |
| 6 | * |
6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
| 8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
| 9 | * |
9 | * |
| … | |
… | |
| 491 | # endif |
491 | # endif |
| 492 | #endif |
492 | #endif |
| 493 | |
493 | |
| 494 | #if EV_USE_IOURING |
494 | #if EV_USE_IOURING |
| 495 | # include <sys/syscall.h> |
495 | # include <sys/syscall.h> |
| 496 | # if !SYS_io_uring_setup && __linux && !__alpha |
496 | # if !SYS_io_uring_register && __linux && !__alpha |
| 497 | # define SYS_io_uring_setup 425 |
497 | # define SYS_io_uring_setup 425 |
| 498 | # define SYS_io_uring_enter 426 |
498 | # define SYS_io_uring_enter 426 |
| 499 | # define SYS_io_uring_wregister 427 |
499 | # define SYS_io_uring_register 427 |
| 500 | # endif |
500 | # endif |
| 501 | # if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */ |
501 | # if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */ |
| 502 | # define EV_NEED_SYSCALL 1 |
502 | # define EV_NEED_SYSCALL 1 |
| 503 | # else |
503 | # else |
| 504 | # undef EV_USE_IOURING |
504 | # undef EV_USE_IOURING |
| … | |
… | |
| 604 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
604 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
| 605 | /* ECB.H BEGIN */ |
605 | /* ECB.H BEGIN */ |
| 606 | /* |
606 | /* |
| 607 | * libecb - http://software.schmorp.de/pkg/libecb |
607 | * libecb - http://software.schmorp.de/pkg/libecb |
| 608 | * |
608 | * |
| 609 | * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> |
609 | * Copyright (©) 2009-2015,2018-2020 Marc Alexander Lehmann <libecb@schmorp.de> |
| 610 | * Copyright (©) 2011 Emanuele Giaquinta |
610 | * Copyright (©) 2011 Emanuele Giaquinta |
| 611 | * All rights reserved. |
611 | * All rights reserved. |
| 612 | * |
612 | * |
| 613 | * Redistribution and use in source and binary forms, with or without modifica- |
613 | * Redistribution and use in source and binary forms, with or without modifica- |
| 614 | * tion, are permitted provided that the following conditions are met: |
614 | * tion, are permitted provided that the following conditions are met: |
| … | |
… | |
| 649 | /* 16 bits major, 16 bits minor */ |
649 | /* 16 bits major, 16 bits minor */ |
| 650 | #define ECB_VERSION 0x00010008 |
650 | #define ECB_VERSION 0x00010008 |
| 651 | |
651 | |
| 652 | #include <string.h> /* for memcpy */ |
652 | #include <string.h> /* for memcpy */ |
| 653 | |
653 | |
| 654 | #ifdef _WIN32 |
654 | #if defined (_WIN32) && !defined (__MINGW32__) |
| 655 | typedef signed char int8_t; |
655 | typedef signed char int8_t; |
| 656 | typedef unsigned char uint8_t; |
656 | typedef unsigned char uint8_t; |
| 657 | typedef signed char int_fast8_t; |
657 | typedef signed char int_fast8_t; |
| 658 | typedef unsigned char uint_fast8_t; |
658 | typedef unsigned char uint_fast8_t; |
| 659 | typedef signed short int16_t; |
659 | typedef signed short int16_t; |
| … | |
… | |
| 2471 | inline_size |
2471 | inline_size |
| 2472 | void |
2472 | void |
| 2473 | fd_change (EV_P_ int fd, int flags) |
2473 | fd_change (EV_P_ int fd, int flags) |
| 2474 | { |
2474 | { |
| 2475 | unsigned char reify = anfds [fd].reify; |
2475 | unsigned char reify = anfds [fd].reify; |
| 2476 | anfds [fd].reify |= flags; |
2476 | anfds [fd].reify = reify | flags; |
| 2477 | |
2477 | |
| 2478 | if (ecb_expect_true (!reify)) |
2478 | if (ecb_expect_true (!reify)) |
| 2479 | { |
2479 | { |
| 2480 | ++fdchangecnt; |
2480 | ++fdchangecnt; |
| 2481 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2481 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
| … | |
… | |
| 3165 | |
3165 | |
| 3166 | /* TODO: linuxaio is very experimental */ |
3166 | /* TODO: linuxaio is very experimental */ |
| 3167 | #if !EV_RECOMMEND_LINUXAIO |
3167 | #if !EV_RECOMMEND_LINUXAIO |
| 3168 | flags &= ~EVBACKEND_LINUXAIO; |
3168 | flags &= ~EVBACKEND_LINUXAIO; |
| 3169 | #endif |
3169 | #endif |
| 3170 | /* TODO: linuxaio is super experimental */ |
3170 | /* TODO: iouring is super experimental */ |
| 3171 | #if !EV_RECOMMEND_IOURING |
3171 | #if !EV_RECOMMEND_IOURING |
| 3172 | flags &= ~EVBACKEND_IOURING; |
3172 | flags &= ~EVBACKEND_IOURING; |
| 3173 | #endif |
3173 | #endif |
| 3174 | |
3174 | |
| 3175 | return flags; |
3175 | return flags; |
