… | |
… | |
131 | .\} |
131 | .\} |
132 | .rm #[ #] #H #V #F C |
132 | .rm #[ #] #H #V #F C |
133 | .\" ======================================================================== |
133 | .\" ======================================================================== |
134 | .\" |
134 | .\" |
135 | .IX Title "LIBEV 3" |
135 | .IX Title "LIBEV 3" |
136 | .TH LIBEV 3 "2019-06-25" "libev-4.25" "libev - high performance full featured event loop" |
136 | .TH LIBEV 3 "2019-07-07" "libev-4.27" "libev - high performance full featured event loop" |
137 | .\" For nroff, turn off justification. Always turn off hyphenation; it makes |
137 | .\" For nroff, turn off justification. Always turn off hyphenation; it makes |
138 | .\" way too many mistakes in technical documents. |
138 | .\" way too many mistakes in technical documents. |
139 | .if n .ad l |
139 | .if n .ad l |
140 | .nh |
140 | .nh |
141 | .SH "NAME" |
141 | .SH "NAME" |
… | |
… | |
1871 | reuse the same code path. |
1871 | reuse the same code path. |
1872 | .PP |
1872 | .PP |
1873 | \fIThe special problem of fork\fR |
1873 | \fIThe special problem of fork\fR |
1874 | .IX Subsection "The special problem of fork" |
1874 | .IX Subsection "The special problem of fork" |
1875 | .PP |
1875 | .PP |
1876 | Some backends (epoll, kqueue, probably linuxaio) do not support \f(CW\*(C`fork ()\*(C'\fR |
1876 | Some backends (epoll, kqueue, linuxaio, iouring) do not support \f(CW\*(C`fork ()\*(C'\fR |
1877 | at all or exhibit useless behaviour. Libev fully supports fork, but needs |
1877 | at all or exhibit useless behaviour. Libev fully supports fork, but needs |
1878 | to be told about it in the child if you want to continue to use it in the |
1878 | to be told about it in the child if you want to continue to use it in the |
1879 | child. |
1879 | child. |
1880 | .PP |
1880 | .PP |
1881 | To support fork in your child processes, you have to call \f(CW\*(C`ev_loop_fork |
1881 | To support fork in your child processes, you have to call \f(CW\*(C`ev_loop_fork |
… | |
… | |
4624 | \& |
4624 | \& |
4625 | \& ev_select.c only when select backend is enabled |
4625 | \& ev_select.c only when select backend is enabled |
4626 | \& ev_poll.c only when poll backend is enabled |
4626 | \& ev_poll.c only when poll backend is enabled |
4627 | \& ev_epoll.c only when the epoll backend is enabled |
4627 | \& ev_epoll.c only when the epoll backend is enabled |
4628 | \& ev_linuxaio.c only when the linux aio backend is enabled |
4628 | \& ev_linuxaio.c only when the linux aio backend is enabled |
|
|
4629 | \& ev_iouring.c only when the linux io_uring backend is enabled |
4629 | \& ev_kqueue.c only when the kqueue backend is enabled |
4630 | \& ev_kqueue.c only when the kqueue backend is enabled |
4630 | \& ev_port.c only when the solaris port backend is enabled |
4631 | \& ev_port.c only when the solaris port backend is enabled |
4631 | .Ve |
4632 | .Ve |
4632 | .PP |
4633 | .PP |
4633 | \&\fIev.c\fR includes the backend files directly when enabled, so you only need |
4634 | \&\fIev.c\fR includes the backend files directly when enabled, so you only need |
… | |
… | |
4816 | otherwise another method will be used as fallback. This is the preferred |
4817 | otherwise another method will be used as fallback. This is the preferred |
4817 | backend for GNU/Linux systems. If undefined, it will be enabled if the |
4818 | backend for GNU/Linux systems. If undefined, it will be enabled if the |
4818 | headers indicate GNU/Linux + Glibc 2.4 or newer, otherwise disabled. |
4819 | headers indicate GNU/Linux + Glibc 2.4 or newer, otherwise disabled. |
4819 | .IP "\s-1EV_USE_LINUXAIO\s0" 4 |
4820 | .IP "\s-1EV_USE_LINUXAIO\s0" 4 |
4820 | .IX Item "EV_USE_LINUXAIO" |
4821 | .IX Item "EV_USE_LINUXAIO" |
|
|
4822 | If defined to be \f(CW1\fR, libev will compile in support for the Linux aio |
|
|
4823 | backend (\f(CW\*(C`EV_USE_EPOLL\*(C'\fR must also be enabled). If undefined, it will be |
|
|
4824 | enabled on linux, otherwise disabled. |
|
|
4825 | .IP "\s-1EV_USE_IOURING\s0" 4 |
|
|
4826 | .IX Item "EV_USE_IOURING" |
4821 | If defined to be \f(CW1\fR, libev will compile in support for the Linux |
4827 | If defined to be \f(CW1\fR, libev will compile in support for the Linux |
4822 | aio backend. Due to it's currenbt limitations it has to be requested |
4828 | io_uring backend (\f(CW\*(C`EV_USE_EPOLL\*(C'\fR must also be enabled). Due to it's |
4823 | explicitly. If undefined, it will be enabled on linux, otherwise |
4829 | current limitations it has to be requested explicitly. If undefined, it |
4824 | disabled. |
4830 | will be enabled on linux, otherwise disabled. |
4825 | .IP "\s-1EV_USE_KQUEUE\s0" 4 |
4831 | .IP "\s-1EV_USE_KQUEUE\s0" 4 |
4826 | .IX Item "EV_USE_KQUEUE" |
4832 | .IX Item "EV_USE_KQUEUE" |
4827 | If defined to be \f(CW1\fR, libev will compile in support for the \s-1BSD\s0 style |
4833 | If defined to be \f(CW1\fR, libev will compile in support for the \s-1BSD\s0 style |
4828 | \&\f(CW\*(C`kqueue\*(C'\fR(2) backend. Its actual availability will be detected at runtime, |
4834 | \&\f(CW\*(C`kqueue\*(C'\fR(2) backend. Its actual availability will be detected at runtime, |
4829 | otherwise another method will be used as fallback. This is the preferred |
4835 | otherwise another method will be used as fallback. This is the preferred |