ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev.c
(Generate patch)

Comparing libev/ev.c (file contents):
Revision 1.520 by root, Sat Dec 28 07:44:15 2019 UTC vs.
Revision 1.521 by root, Sat Dec 28 07:47:35 2019 UTC

… …
3048 3048
3049ecb_cold 3049ecb_cold
3050unsigned int 3050unsigned int
3051ev_embeddable_backends (void) EV_NOEXCEPT 3051ev_embeddable_backends (void) EV_NOEXCEPT
3052{ 3052{
3053 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 3053 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT | EVBACKEND_IOURING;
3054 3054
3055 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 3055 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
3056 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 3056 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
3057 flags &= ~EVBACKEND_EPOLL; 3057 flags &= ~EVBACKEND_EPOLL;
3058 3058
3059 /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ 3059 /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */
3060
3061 /* EVBACKEND_IOURING is practically embeddable, but the current implementation is not
3062 * because our backend_fd is the epoll fd we need as fallback.
3063 * if the kernel ever is fixed, this might change...
3064 */
3065 3060
3066 return flags; 3061 return flags;
3067} 3062}
3068 3063
3069unsigned int 3064unsigned int

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines