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EPOLL_CREATE (2) | System calls | Unix Manual Pages | :man

NAME

epoll_create - open an epoll file descriptor

CONTENTS

Synopsis
Description
Errors
Conforming To

SYNOPSIS

#include <sys/epoll.h>

"int epoll_create(int "size)

DESCRIPTION

Open an epoll file descriptor by requesting the kernel allocate an event backing store dimensioned for size descriptors. The size is not the maximum size of the backing store but just a hint to the kernel about how to dimension internal structures. The returned file descriptor will be used for all the subsequent calls to the epoll interface. The file descriptor returned by epoll_create(2) must be closed by using close(2).

"RETURN VALUE"

When successful, epoll_create(2) returns a positive integer identifying the descriptor. When an error occurs, epoll_create(2) returns -1 and errno is set appropriately.

ERRORS

ENOMEM There was insufficient memory to create the kernel object.

CONFORMING TO

epoll_create(2) is a new API introduced in Linux kernel 2.5.44. The interface should be finalized by Linux kernel 2.5.66.

"SEE ALSO"

close(2), epoll_ctl(2), epoll_wait(2), epoll(4)


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