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fd_set.md 1.74 KB
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wenjun 提交于 2020-09-08 10:08 . add OpenHarmony 1.0 baseline

fd_set

Overview

Related Modules:

IO

Description:

Defines a file descriptor set.

This structure is used to specify whether the file descriptor set exists.

Summary

Data Fields

Variable Name

Description

fds_bits [FD_SETSIZE/8/sizeof(long)]

unsigned long

Details

Field Documentation

fds_bits

unsigned long fd_set::fds_bits[[FD_SETSIZE](io.md#ga86c5dbf5a99358e288f573d6a1e0873f)/8/sizeof(long)]

Description:

Whether the descriptor exists is indicated by each bit.

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