harmony 鸿蒙loop.h

  • 2025-06-12
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loop.h

Overview

The loop.h file declares the loop interfaces in C.

File to include: <ffrt/loop.h>

Library: libffrt.z.so

System capability: SystemCapability.Resourceschedule.Ffrt.Core

Since: 12

Related module: FFRT

Summary

Types

Name Description
typedef void * ffrt_loop_t Loop handle.

Functions

Name Description
FFRT_C_API ffrt_loop_t ffrt_loop_create (ffrt_queue_t queue) Creates a loop.
FFRT_C_API int ffrt_loop_destroy (ffrt_loop_t loop) Destroys a loop.
FFRT_C_API int ffrt_loop_run (ffrt_loop_t loop) Runs a loop.
FFRT_C_API void ffrt_loop_stop (ffrt_loop_t loop) Stops a loop.
FFRT_C_API int ffrt_loop_epoll_ctl (ffrt_loop_t loop, int op, int fd, uint32_t events, void *data, ffrt_poller_cb cb) Manages listening events on a loop.
FFRT_C_API ffrt_timer_t ffrt_loop_timer_start (ffrt_loop_t loop, uint64_t timeout, void *data, ffrt_timer_cb cb, bool repeat) Starts the timer on a loop.
FFRT_C_API int ffrt_loop_timer_stop (ffrt_loop_t loop, ffrt_timer_t handle) Stops the timer on a loop.

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