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Finalize error handling api. Breaks unix and windows.

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Closes #15
Closes #18
This commit is contained in:
Bert Belder 2011-04-20 02:47:49 +02:00
parent 67a3fa24dc
commit b6d4bf16a9
1 changed files with 57 additions and 12 deletions
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69
oio.h
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@ -29,19 +29,22 @@
#include <stddef.h> /* size_t */
typedef int oio_err; /* FIXME */
typedef struct oio_req_s oio_req;
typedef struct oio_handle_s oio_handle;
typedef struct oio_req_s oio_req;
typedef struct oio_err_s oio_err;
/* TODO: tell the callback if the request was completed or cancelled */
typedef void (*oio_read_cb)(oio_req* req, size_t nread);
typedef void (*oio_write_cb)(oio_req* req);
/**
* The status parameter is 0 if the request completed successfully,
* and should be -1 if the request was cancelled or failed.
* For oio_close_cb, -1 means that the handle was closed due to an error.
* Error details can be obtained by calling oio_last_error().
*/
typedef void (*oio_read_cb)(oio_req* req, size_t nread, int status);
typedef void (*oio_write_cb)(oio_req* req, int status);
typedef void (*oio_connect_cb)(oio_req* req, int status);
typedef void (*oio_accept_cb)(oio_handle* handle);
typedef void (*oio_close_cb)(oio_handle* handle, oio_err e);
typedef void (*oio_connect_cb)(oio_req* req, oio_err e);
typedef void (*oio_shutdown_cb)(oio_req* req);
typedef void (*oio_timer_cb)(oio_req* req, int64_t skew);
typedef void (*oio_close_cb)(oio_handle* handle, int status);
typedef void (*oio_timer_cb)(oio_req* req, int64_t skew, int status);
#if defined(__unix__) || defined(__POSIX__) || defined(__APPLE__)
@ -70,6 +73,42 @@ typedef enum {
OIO_TIMEOUT
} oio_req_type;
/* Expand this list if necessary. */
typedef enum {
OIO_UNKNOWN = -1,
OIO_OK = 0,
OIO_EACCESS,
OIO_EADDRINUSE,
OIO_EADDRNOTAVAIL,
OIO_EAFNOSUPPORT,
OIO_EALREADY,
OIO_EBADF,
OIO_EBUSY,
OIO_ECONNABORTED,
OIO_ECONNREFUSED,
OIO_ECONNRESET,
OIO_EDESTADDRREQ,
OIO_EHOSTUNREACH,
OIO_EINTR,
OIO_EINVAL,
OIO_EISCONN,
OIO_EMFILE,
OIO_ENETDOWN,
OIO_ENETUNREACH,
OIO_ENFILE,
OIO_ENOBUFS,
OIO_ENOMEM,
OIO_ENONET,
OIO_ENOPROTOOPT,
OIO_ENOTCONN,
OIO_ENOTSOCK,
OIO_ENOTSUP,
OIO_EPROTO,
OIO_EPROTONOSUPPORT,
OIO_EPROTOTYPE,
OIO_ETIMEDOUT
} oio_errno;
struct oio_handle_s {
/* read-only */
@ -81,7 +120,6 @@ struct oio_handle_s {
oio_handle_private_fields
};
struct oio_req_s {
/* read-only */
oio_req_type type;
@ -93,6 +131,13 @@ struct oio_req_s {
oio_req_private_fields
};
struct oio_err_s {
/* read-only */
oio_errno errno;
/* private */
int sys_errno_;
};
/**
* Most functions return boolean: 0 for success and -1 for failure.
@ -100,7 +145,7 @@ struct oio_req_s {
* the error code.
*/
oio_err oio_last_error();
const char* oio_err_str(oio_err err);
char* oio_strerror(oio_err err);
void oio_init();