GNU/Linux man pages
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GNU/Linux |
CentOS 4.8 |
i386 |
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epoll_create(2) |
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epoll_create − open an epoll file descriptor
#include <sys/epoll.h>
int epoll_create(int size)
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).
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.
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ENOMEM |
There was insufficient memory to create the kernel object. |
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.
close(2), epoll_ctl(2), epoll_wait(2), epoll(4)
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epoll_create(2) | |