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Diffstat (limited to 'libparc/parc/developer/parc_Stopwatch.h')
-rw-r--r-- | libparc/parc/developer/parc_Stopwatch.h | 446 |
1 files changed, 0 insertions, 446 deletions
diff --git a/libparc/parc/developer/parc_Stopwatch.h b/libparc/parc/developer/parc_Stopwatch.h deleted file mode 100644 index 566bd314..00000000 --- a/libparc/parc/developer/parc_Stopwatch.h +++ /dev/null @@ -1,446 +0,0 @@ -/* - * Copyright (c) 2017 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/** - * @file parc_Stopwatch.h - * @ingroup developer - * @brief Measure elapsed time - * - * A `PARCStopwatch` measures the time elapsed between the invocation of `parcStopwatch_Start()` - * and a subsequent invocation of one of the `parcStopwatch_ElapsedTime` functions. - * The `parcStopwatch_Start()` function may be called for a stopwatch effectively resetting the stopwatch to a new starting time. - * - */ -#ifndef PARCLibrary_parc_Stopwatch -#define PARCLibrary_parc_Stopwatch -#include <stdbool.h> -#include <stdarg.h> - -#include <parc/algol/parc_JSON.h> -#include <parc/algol/parc_HashCode.h> - -struct PARCStopwatch; -typedef struct PARCStopwatch PARCStopwatch; - -/** - * Increase the number of references to a `PARCStopwatch` instance. - * - * Note that new `PARCStopwatch` is not created, - * only that the given `PARCStopwatch` reference count is incremented. - * Discard the reference by invoking `parcStopwatch_Release`. - * - * @param [in] stopwatch A pointer to a valid PARCStopwatch instance. - * - * @return The same value as @p instance. - * - * Example: - * @code - * { - * PARCStopwatch *a = parcStopwatch_Create(); - * - * PARCStopwatch *b = parcStopwatch_Acquire(); - * - * parcStopwatch_Release(&a); - * parcStopwatch_Release(&b); - * } - * @endcode - */ -PARCStopwatch *parcStopwatch_Acquire(const PARCStopwatch *stopwatch); - -#ifdef PARCLibrary_DISABLE_VALIDATION -# define parcStopwatch_OptionalAssertValid(_instance_) -#else -# define parcStopwatch_OptionalAssertValid(_instance_) parcStopwatch_AssertValid(_instance_) -#endif - -/** - * Assert that the given `PARCStopwatch` instance is valid. - * - * @param [in] stopwatch A pointer to a valid PARCStopwatch instance. - * - * Example: - * @code - * { - * PARCStopwatch *a = parcStopwatch_Create(); - * - * parcStopwatch_AssertValid(a); - * - * printf("Instance is valid.\n"); - * - * parcStopwatch_Release(&b); - * } - * @endcode - */ -void parcStopwatch_AssertValid(const PARCStopwatch *stopwatch); - -/** - * Create an instance of PARCStopwatch - * - * @return non-NULL A pointer to a valid PARCStopwatch instance. - * @return NULL An error occurred. - * - * Example: - * @code - * { - * PARCStopwatch *a = parcStopwatch_Create(); - * - * parcStopwatch_Release(&a); - * } - * @endcode - */ -PARCStopwatch *parcStopwatch_Create(void); - -/** - * Compares @p instance with @p other for order. - * - * Returns a negative integer, zero, or a positive integer as @p instance - * is less than, equal to, or greater than @p other. - * - * @param [in] stopwatch A pointer to a valid PARCStopwatch instance. - * @param [in] other A pointer to a valid PARCStopwatch instance. - * - * @return <0 Instance is less than @p other. - * @return 0 Instance a and instance b compare the same. - * @return >0 Instance a is greater than instance b. - * - * Example: - * @code - * { - * PARCStopwatch *a = parcStopwatch_Create(); - * PARCStopwatch *b = parcStopwatch_Create(); - * - * if (parcStopwatch_Compare(a, b) == 0) { - * printf("Instances are equal.\n"); - * } - * - * parcStopwatch_Release(&a); - * parcStopwatch_Release(&b); - * } - * @endcode - * - * @see parcStopwatch_Equals - */ -int parcStopwatch_Compare(const PARCStopwatch *stopwatch, const PARCStopwatch *other); - -/** - * Create an independent copy the given `PARCBuffer` - * - * A new buffer is created as a complete copy of the original. - * - * @param [in] original A pointer to a valid PARCStopwatch instance. - * - * @return NULL Memory could not be allocated. - * @return non-NULL A pointer to a new `PARCStopwatch` instance. - * - * Example: - * @code - * { - * PARCStopwatch *a = parcStopwatch_Create(); - * - * PARCStopwatch *copy = parcStopwatch_Copy(&b); - * - * parcStopwatch_Release(&b); - * parcStopwatch_Release(©); - * } - * @endcode - */ -PARCStopwatch *parcStopwatch_Copy(const PARCStopwatch *original); - -/** - * Print a human readable representation of the given `PARCStopwatch`. - * - * @param [in] stopwatch A pointer to a valid PARCStopwatch instance. - * @param [in] indentation The indentation level to use for printing. - * - * Example: - * @code - * { - * PARCStopwatch *a = parcStopwatch_Create(); - * - * parcStopwatch_Display(a, 0); - * - * parcStopwatch_Release(&a); - * } - * @endcode - */ -void parcStopwatch_Display(const PARCStopwatch *stopwatch, int indentation); - -/** - * Determine if two `PARCStopwatch` instances are equal. - * - * The following equivalence relations on non-null `PARCStopwatch` instances are maintained: * - * * It is reflexive: for any non-null reference value x, `parcStopwatch_Equals(x, x)` must return true. - * - * * It is symmetric: for any non-null reference values x and y, `parcStopwatch_Equals(x, y)` must return true if and only if - * `parcStopwatch_Equals(y x)` returns true. - * - * * It is transitive: for any non-null reference values x, y, and z, if - * `parcStopwatch_Equals(x, y)` returns true and - * `parcStopwatch_Equals(y, z)` returns true, - * then `parcStopwatch_Equals(x, z)` must return true. - * - * * It is consistent: for any non-null reference values x and y, multiple invocations of `parcStopwatch_Equals(x, y)` - * consistently return true or consistently return false. - * - * * For any non-null reference value x, `parcStopwatch_Equals(x, NULL)` must return false. - * - * @param [in] x A pointer to a valid PARCStopwatch instance. - * @param [in] y A pointer to a valid PARCStopwatch instance. - * - * @return true The instances x and y are equal. - * - * Example: - * @code - * { - * PARCStopwatch *a = parcStopwatch_Create(); - * PARCStopwatch *b = parcStopwatch_Create(); - * - * if (parcStopwatch_Equals(a, b)) { - * printf("Instances are equal.\n"); - * } - * - * parcStopwatch_Release(&a); - * parcStopwatch_Release(&b); - * } - * @endcode - * @see parcStopwatch_HashCode - */ -bool parcStopwatch_Equals(const PARCStopwatch *x, const PARCStopwatch *y); - -/** - * Returns a hash code value for the given instance. - * - * The general contract of `HashCode` is: - * - * Whenever it is invoked on the same instance more than once during an execution of an application, - * the `HashCode` function must consistently return the same value, - * provided no information used in a corresponding comparisons on the instance is modified. - * - * This value need not remain consistent from one execution of an application to another execution of the same application. - * If two instances are equal according to the {@link parcStopwatch_Equals} method, - * then calling the {@link parcStopwatch_HashCode} method on each of the two instances must produce the same integer result. - * - * It is not required that if two instances are unequal according to the - * {@link parcStopwatch_Equals} function, - * then calling the `parcStopwatch_HashCode` - * method on each of the two objects must produce distinct integer results. - * - * @param [in] stopwatch A pointer to a valid PARCStopwatch instance. - * - * @return The hashcode for the given instance. - * - * Example: - * @code - * { - * PARCStopwatch *a = parcStopwatch_Create(); - * - * PARCHashCode hashValue = parcStopwatch_HashCode(buffer); - * parcStopwatch_Release(&a); - * } - * @endcode - */ -PARCHashCode parcStopwatch_HashCode(const PARCStopwatch *stopwatch); - -/** - * Determine if an instance of `PARCStopwatch` is valid. - * - * Valid means the internal state of the type is consistent with its required current or future behaviour. - * This may include the validation of internal instances of types. - * - * @param [in] stopwatch A pointer to a valid PARCStopwatch instance. - * - * @return true The instance is valid. - * @return false The instance is not valid. - * - * Example: - * @code - * { - * PARCStopwatch *a = parcStopwatch_Create(); - * - * if (parcStopwatch_IsValid(a)) { - * printf("Instance is valid.\n"); - * } - * - * parcStopwatch_Release(&a); - * } - * @endcode - * - */ -bool parcStopwatch_IsValid(const PARCStopwatch *stopwatch); - -/** - * Release a previously acquired reference to the given `PARCStopwatch` instance, - * decrementing the reference count for the instance. - * - * The pointer to the instance is set to NULL as a side-effect of this function. - * - * If the invocation causes the last reference to the instance to be released, - * the instance is deallocated and the instance's implementation will perform - * additional cleanup and release other privately held references. - * - * @param [in,out] instancePtr A pointer to a pointer to the instance to release. - * - * Example: - * @code - * { - * PARCStopwatch *a = parcStopwatch_Create(); - * - * parcStopwatch_Release(&a); - * } - * @endcode - */ -void parcStopwatch_Release(PARCStopwatch **instancePtr); - -/** - * Create a `PARCJSON` instance (representation) of the given object. - * - * @param [in] instance A pointer to a valid PARCStopwatch instance. - * - * @return NULL Memory could not be allocated to contain the `PARCJSON` instance. - * @return non-NULL An allocated C string that must be deallocated via parcMemory_Deallocate(). - * - * Example: - * @code - * { - * PARCStopwatch *a = parcStopwatch_Create(); - * - * PARCJSON *json = parcStopwatch_ToJSON(a); - * - * printf("JSON representation: %s\n", parcJSON_ToString(json)); - * parcJSON_Release(&json); - * - * parcStopwatch_Release(&a); - * } - * @endcode - */ -PARCJSON *parcStopwatch_ToJSON(const PARCStopwatch *stopwatch); - -/** - * Produce a null-terminated string representation of the specified `PARCStopwatch`. - * - * The result must be freed by the caller via {@link parcMemory_Deallocate}. - * - * @param [in] stopwatch A pointer to a valid PARCStopwatch instance. - * - * @return NULL Cannot allocate memory. - * @return non-NULL A pointer to an allocated, null-terminated C string that must be deallocated via {@link parcMemory_Deallocate}. - * - * Example: - * @code - * { - * PARCStopwatch *a = parcStopwatch_Create(); - * - * char *string = parcStopwatch_ToString(a); - * - * parcStopwatch_Release(&a); - * - * parcMemory_Deallocate(&string); - * } - * @endcode - * - * @see parcStopwatch_Display - */ -char *parcStopwatch_ToString(const PARCStopwatch *stopwatch); - -/** - * Start one or more PARCStopwatch instances. - * - * @param [in] stopwatch A pointer to a valid PARCStopwatch instance. - * @param [in] ... A variable argument list consisting of pointers to valid PARCStopwatch instances. - * - * Example: - * @code - * { - * PARCStopwatch *A = parcStopwatch_Create(); - * PARCStopwatch *B = parcStopwatch_Create(); - * PARCStopwatch *C = parcStopwatch_Create(); - * - * parcStopwatch_Start(A, B, C); - * - * } - * @endcode - */ -#define parcStopwatch_Start(...) parcStopwatch_StartImpl(__VA_ARGS__, NULL) - -/** - * Start one or more PARCStopwatch instances. - * - * @param [in] stopwatch A pointer to a valid PARCStopwatch instance. - * @param [in] ... A NULL termianted argument list consisting of pointers to valid PARCStopwatch instances. - * - * Example: - * @code - * { - * PARCStopwatch *stopWatch = parcStopwatch_Create(); - * parcStopwatch_StartImpl(stopWatch, NULL); - * } - * @endcode - */ -void parcStopwatch_StartImpl(PARCStopwatch *stopwatch, ...); - -/** - * Get the number of nanoseconds between the time the PARCStopwatch was started and the time of this function call. - * - * The accuracy is dependant upon the operating environment's time resolution. - * - * @param [in] stopwatch A pointer to a valid PARCStopwatch instance. - * - * @return The difference between the start and stop times nanoseconds. - * - * Example: - * @code - * { - * <#example#> - * } - * @endcode - */ -uint64_t parcStopwatch_ElapsedTimeNanos(PARCStopwatch *stopwatch); - -/** - * Get the number of microseconds between the time the PARCStopwatch was started and the time of this function call. - * - * The accuracy is dependant upon the operating environment's time resolution. - * - * @param [in] stopwatch A pointer to a valid PARCStopwatch instance. - * - * @return The difference between the start and stop times in microseconds. - * - * Example: - * @code - * { - * <#example#> - * } - * @endcode - */ -uint64_t parcStopwatch_ElapsedTimeMicros(PARCStopwatch *stopwatch); - -/** - * Get the number of milliseconds between the time the PARCStopwatch was started and the time of this function call. - * - * The accuracy is dependant upon the operating environment's time resolution. - * - * @param [in] stopwatch A pointer to a valid PARCStopwatch instance. - * - * @return The difference between the start and stop times in milliseconds. - * - * Example: - * @code - * { - * <#example#> - * } - * @endcode - */ -uint64_t parcStopwatch_ElapsedTimeMillis(PARCStopwatch *stopwatch); -#endif |