1EVENTFD_CTX_FILEGET(9)  Events based on file descripto  EVENTFD_CTX_FILEGET(9)
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NAME

6       eventfd_ctx_fileget - Acquires a reference to the internal eventfd
7       context.
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SYNOPSIS

10       struct eventfd_ctx * eventfd_ctx_fileget(struct file * file);
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ARGUMENTS

13       file
14           [in] Eventfd file pointer.
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DESCRIPTION

17       Returns a pointer to the internal eventfd context, otherwise the error
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POINTER

20       -EINVAL : The fd file descriptor is not an eventfd file.
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23Kernel Hackers Manual 3.10         June 2019            EVENTFD_CTX_FILEGET(9)
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