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add openssl async error code #2130

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add openssl async error code #2130

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4 changes: 4 additions & 0 deletions openssl-sys/src/ssl.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -306,6 +306,10 @@ pub const SSL_ERROR_SSL: c_int = 1;
pub const SSL_ERROR_SYSCALL: c_int = 5;
pub const SSL_ERROR_WANT_ACCEPT: c_int = 8;
pub const SSL_ERROR_WANT_CONNECT: c_int = 7;
#[cfg(ossl110)]
pub const SSL_ERROR_WANT_ASYNC: c_int = 9;
#[cfg(ossl110)]
pub const SSL_ERROR_WANT_ASYNC_JOB: c_int = 10;
pub const SSL_ERROR_WANT_READ: c_int = 2;
pub const SSL_ERROR_WANT_WRITE: c_int = 3;
pub const SSL_ERROR_WANT_X509_LOOKUP: c_int = 4;
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19 changes: 19 additions & 0 deletions openssl/src/ssl/error.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,25 @@ impl ErrorCode {
/// The SSL session has been closed.
pub const ZERO_RETURN: ErrorCode = ErrorCode(ffi::SSL_ERROR_ZERO_RETURN);

/// The operation did not complete because an asynchronous engine is still
/// processing data.
///
/// This will only occur if the mode has been set to SSL_MODE_ASYNC.
///
/// Wait for async engine by using async job APIs and retry the operation.
#[cfg(ossl110)]
pub const WANT_ASYNC: ErrorCode = ErrorCode(ffi::SSL_ERROR_WANT_ASYNC);

/// The asynchronous job could not be started because there were no async jobs
/// available in the pool.
///
/// This will only occur if the mode has been set to SSL_MODE_ASYNC.
///
/// Retry the operation after a currently executing asynchronous operation
/// for the current thread has completed
#[cfg(ossl110)]
pub const WANT_ASYNC_JOB: ErrorCode = ErrorCode(ffi::SSL_ERROR_WANT_ASYNC_JOB);

/// An attempt to read data from the underlying socket returned `WouldBlock`.
///
/// Wait for read readiness and retry the operation.
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