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epoll_create
Langue: en
Version: 2004-06-17 (mandriva - 01/05/08)
Section: 2 (Appels système)
NAME
epoll_create - open an epoll file descriptorSYNOPSIS
#include <sys/epoll.h>int epoll_create(int size);
DESCRIPTION
Open an epoll file descriptor by requesting the kernel to 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() must be closed by using close(2).RETURN VALUE
When successful, epoll_create() returns a non-negative integer identifying the descriptor. When an error occurs, epoll_create() returns -1 and errno is set appropriately.ERRORS
- EINVAL
- size is not positive.
- ENFILE
- The system limit on the total number of open files has been reached.
- ENOMEM
- There was insufficient memory to create the kernel object.
CONFORMING TO
epoll_create() is Linux-specific, and was introduced in kernel 2.5.44.SEE ALSO
close(2), epoll_ctl(2), epoll_wait(2), epoll(7)COLOPHON
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