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Code Issues 1 Releases Wiki Activity

Work on getting ev support on windows.

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This commit is contained in:
Calvin Rose
2020-10-04 12:46:15 -05:00
parent 307c7e00e2
commit db67538311
4 changed files with 191 additions and 28 deletions
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19
src/include/janet.h
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@@ -509,7 +509,8 @@ typedef enum {
JANET_ASYNC_EVENT_CLOSE,
JANET_ASYNC_EVENT_READ,
JANET_ASYNC_EVENT_WRITE,
JANET_ASYNC_EVENT_TIMEOUT
JANET_ASYNC_EVENT_TIMEOUT,
JANET_ASYNC_EVENT_COMPLETE /* Used on windows for IOCP */
} JanetAsyncEvent;
#define JANET_ASYNC_LISTEN_READ (1 << JANET_ASYNC_EVENT_READ)
@@ -522,21 +523,19 @@ typedef enum {
} JanetAsyncStatus;
/* Typedefs */
#ifdef JANET_WINDOWS
typedef HANDLE JanetPollType;
#else
typedef int JanetPollType;
#endif
typedef struct JanetListenerState JanetListenerState;
typedef struct JanetPollable JanetPollable;
typedef JanetAsyncStatus(*JanetListener)(JanetListenerState *state, JanetAsyncEvent event);
/* Wrapper around file descriptors and HANDLEs that can be polled. */
struct JanetPollable {
JanetPollType handle;
JanetHandle handle;
uint32_t flags;
/* Linked list of all in-flight IO routines for this pollable */
JanetListenerState *state;
/* internal */
/* internal - used to disallow multiple concurrent reads / writes on the same pollable.
* this constraint may be lifted later but allowing such would require more internal book keeping
* for some implementations. You can read and write at the same time on the same pollable, though. */
int _mask;
};
@@ -545,6 +544,8 @@ struct JanetListenerState {
JanetListener machine;
JanetFiber *fiber;
JanetPollable *pollable;
void *event; /* Used to pass data from asynchronous IO event. Contents depend on both
implementation of the event loop and the particular event. */
/* internal */
int _index; /* not used in all implementations */
int _mask;
@@ -1246,7 +1247,7 @@ extern enum JanetInstructionType janet_instructions[JOP_INSTRUCTION_COUNT];
JANET_API void janet_loop(void);
/* Wrapper around pollables */
JANET_API void janet_pollable_init(JanetPollable *pollable, JanetPollType handle);
JANET_API void janet_pollable_init(JanetPollable *pollable, JanetHandle handle);
JANET_API void janet_pollable_mark(JanetPollable *pollable);
JANET_API void janet_pollable_deinit(JanetPollable *pollable);