Function report |
Source Code:fs\eventfd.c |
Create Date:2022-07-28 20:20:14 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:ventfd_ctx_fileget - Acquires a reference to the internal eventfd context.*@file: [in] Eventfd file pointer.* Returns a pointer to the internal eventfd context, otherwise the error* pointer:* -EINVAL : The @fd file descriptor is not an eventfd file.
Proto:struct eventfd_ctx *eventfd_ctx_fileget(struct file *file)
Type:struct eventfd_ctx
Parameter:
Type | Parameter | Name |
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struct file * | file |
397 | If f_op != eventfd_fops Then Return ERR_PTR( - EINVAL) |
402 | Return ctx |
Name | Describe |
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eventfd_ctx_fdget | ventfd_ctx_fdget - Acquires a reference to the internal eventfd context.*@fd: [in] Eventfd file descriptor.* Returns a pointer to the internal eventfd context, otherwise the error* pointers returned by the following functions:* eventfd_fget |
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