45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
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#ifndef _IO_URING_H_
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#define _IO_URING_H_
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#define MAX_BATCH_CQE_NUM 128
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struct io_uring_instance;
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/*
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* ring_size : 1024
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* buff_size : 2048
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* flags : 0
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* IORING_SETUP_IOPOLL(1U << 0) io_context is polled
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* IORING_SETUP_SQPOLL(1U << 1) SQ poll thread
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* IORING_SETUP_SQ_AFF(1U << 2) sq_thread_cpu is valid
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* ORING_SETUP_CQSIZE(1U << 3) app defines CQ size
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* IORING_SETUP_CLAMP(1U << 4) clamp SQ/CQ ring sizes
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* IORING_SETUP_ATTACH_WQ(1U << 5) attach to existing wq
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* IORING_SETUP_R_DISABLED(1U << 6) start with ring disabled
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* IORING_SETUP_SUBMIT_ALL(1U << 7) continue submit on error
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* sq_thread_idle : 0
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*/
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struct io_uring_instance *io_uring_instance_create(int sockfd, int eventfd, int ring_size, int buff_size, int flags, int sq_thread_idle, int enable_debug);
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void io_uring_instance_destory(struct io_uring_instance *instance);
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typedef void read_callback(const char *data, int len, void *args);
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// return 0 : success
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// reutrn -1 : error
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int io_uring_register_read_callback(struct io_uring_instance *instance, read_callback *read_cb, void *cb_arg);
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// return 0 : success
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// reutrn -1 : error
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int io_uring_submit_write_entry(struct io_uring_instance *instance, const char *data, int len);
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// returns the number of processed entrys
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int io_uring_peek_ready_entrys(struct io_uring_instance *instance);
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#ifdef __cplusplus
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}
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#endif
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#endif
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