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IO waiting primitives

include/thread/io_wait.h

Section titled “include/thread/io_wait.h”

struct io_wait_token

Section titled “struct io_wait_token”
struct io_wait_token {
    struct list_head  list;
    struct thread     *owner;
    void              *wait_object;
    bool              active;
    size_t            magic;
};

struct io_wait_token referenced types:

enum io_wait_end_action

Section titled “enum io_wait_end_action”
enum io_wait_end_action {
    IO_WAIT_END_YIELD,
    IO_WAIT_END_NO_OP,
};

io_wait_begin

Section titled “io_wait_begin”
void io_wait_begin(struct io_wait_token *out, void *io_object);

io_wait_begin referenced types:

io_wait_end

Section titled “io_wait_end”
void io_wait_end(struct io_wait_token *t, enum io_wait_end_action act);

io_wait_end referenced types:

io_wait_token_active

Section titled “io_wait_token_active”
bool io_wait_token_active(struct io_wait_token *t);

io_wait_token_active referenced types:

Defines

Section titled “Defines”

IO_WAIT_TOKEN_EMPTY

Section titled “IO_WAIT_TOKEN_EMPTY”
#define IO_WAIT_TOKEN_EMPTY                                                    \ (struct io_wait_token){                                                    \ .owner = NULL, .wait_object = NULL, .active = false, .magic = 0}