<system_error>
Include the header <system_error> to define the exception class system_error and related templates for processing low-level system errors.
Requirements
Header: <system_error>
Namespace: std
Members
Objects
| Name | Description |
|---|---|
| generic_category | Represents the category for generic errors. |
| is_error_code_enum_v | |
| is_error_condition_enum_v | |
| system_category | Represents the category for errors caused by low-level system overflows. |
Functions
| Name | Description |
|---|---|
| make_error_code | Creates an error_code object. |
| make_error_condition | Creates an error_condition object. |
Operators
| Name | Description |
|---|---|
| operator== | Tests if the object on the left side of the operator is equal to the object on the right side. |
| operator!= | Tests if the object on the left side of the operator is not equal to the object on the right side. |
| operator< | Tests if an object is less than the object passed in for comparison. |
| operator<< |
Enums
| Name | Description |
|---|---|
| errc | Provides symbolic names for all the error-code macros defined by POSIX in <errno.h>. |
Classes and Structs
| Name | Description |
|---|---|
| error_category | Represents the abstract, common base for objects that describes a category of error codes. |
| error_code | Represents low-level system errors that are implementation-specific. |
| error_condition | Represents user-defined error codes. |
| hash | |
| is_error_code_enum | Represents a type predicate that tests for the error_code Class enumeration. |
| is_error_condition_enum | Represents a type predicate that tests for the error_condition Class enumeration. |
| system_error | Represents the base class for all exceptions thrown to report a low-level system overflow. |