diff options
Diffstat (limited to 'man2/epoll_create.2')
| -rw-r--r-- | man2/epoll_create.2 | 45 |
1 files changed, 23 insertions, 22 deletions
diff --git a/man2/epoll_create.2 b/man2/epoll_create.2 index 5591e88df..8d2c0be40 100644 --- a/man2/epoll_create.2 +++ b/man2/epoll_create.2 @@ -8,7 +8,7 @@ .\" Modified 2005-04-04 by Marko Kohtala <marko.kohtala@gmail.com> .\" 2008-10-10, mtk: add description of epoll_create1() .\" -.TH epoll_create 2 2022-12-04 "Linux man-pages 6.03" +.TH epoll_create 2 2023-07-16 "Linux man-pages 6.05.01" .SH NAME epoll_create, epoll_create1 \- open an epoll file descriptor .SH LIBRARY @@ -28,7 +28,7 @@ creates a new instance. Since Linux 2.6.8, the .I size -argument is ignored, but must be greater than zero; see NOTES. +argument is ignored, but must be greater than zero; see HISTORY. .PP .BR epoll_create () returns a file descriptor referring to the new epoll instance. @@ -83,14 +83,6 @@ Invalid value specified in .IR flags . .TP .B EMFILE -The per-user limit on the number of epoll instances imposed by -.I /proc/sys/fs/epoll/max_user_instances -was encountered. -See -.BR epoll (7) -for further details. -.TP -.B EMFILE The per-process limit on the number of open file descriptors has been reached. .TP .B ENFILE @@ -98,22 +90,20 @@ The system-wide limit on the total number of open files has been reached. .TP .B ENOMEM There was insufficient memory to create the kernel object. -.SH VERSIONS +.SH STANDARDS +Linux. +.SH HISTORY +.TP .BR epoll_create () -was added in Linux 2.6. -Library support is provided in glibc 2.3.2. -.PP +Linux 2.6, +glibc 2.3.2. .\" To be precise: kernel 2.5.44. .\" The interface should be finalized by Linux kernel 2.5.66. +.TP .BR epoll_create1 () -was added in Linux 2.6.27. -Library support is provided in glibc 2.9. -.SH STANDARDS -.BR epoll_create () -and -.BR epoll_create1 () -are Linux-specific. -.SH NOTES +Linux 2.6.27, +glibc 2.9. +.PP In the initial .BR epoll_create () implementation, the @@ -136,6 +126,17 @@ must still be greater than zero, in order to ensure backward compatibility when new .B epoll applications are run on older kernels. +.PP +Prior to Linux 2.6.29, +.\" commit 9df04e1f25effde823a600e755b51475d438f56b +a +.I /proc/sys/fs/epoll/max_user_instances +kernel parameter limited live epolls for each real user ID, +and caused +.BR epoll_create () +to fail with +.B EMFILE +on overrun. .SH SEE ALSO .BR close (2), .BR epoll_ctl (2), |