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#pragma once
// These functions are not thread safe, their purpose
// is to multiplex several IO operations on a
// single thread.
#include <syscall.h>
#define MAINLOOP_MAX_WR_BUFS 4
typedef struct mainloop_fd mainloop_fd_t;
typedef void (*buf_full_callback_t)(mainloop_fd_t *fd);
typedef void (*fd_error_callback_t)(mainloop_fd_t *fd);
typedef struct {
size_t size, written;
void* buf;
bool must_free;
} mainloop_wr_buf_t;
typedef struct mainloop_fd {
fd_t fd;
size_t rd_buf_expect_size, rd_buf_filled;
void* rd_buf;
mainloop_wr_buf_t wr_bufs[MAINLOOP_MAX_WR_BUFS];
void* data;
buf_full_callback_t rd_on_full;
fd_error_callback_t on_error;
mainloop_fd_t *next;
} mainloop_fd_t;
void mainloop_add_fd(mainloop_fd_t* fd);
void mainloop_rm_fd(mainloop_fd_t* fd);
void mainloop_expect(mainloop_fd_t *fd, void* buf, size_t size, buf_full_callback_t cb);
bool mainloop_nonblocking_write(mainloop_fd_t *fd, void* buf, size_t size, bool must_free_buf);
void mainloop_run();
void mainloop_exit();
/* vim: set ts=4 sw=4 tw=0 noet :*/
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