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---
title: PRTime
slug: PRTime
translation_of: Mozilla/Projects/NSPR/Reference/PRTime
---
<p>
</p><p><br>
</p><section id="Quick_Links">
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR">NSPR</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/About_NSPR">About NSPR</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference">NSPR API Reference</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/NSPR_build_instructions">NSPR Build Instruction</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Release_process">NSPR Release Process</a></li>
<li class="toggle">
<details>
<summary>Introduction to NSPR</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Introduction_to_NSPR#NSPR_Naming_Conventions">NSPR Naming Conventions</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Introduction_to_NSPR#NSPR_Threads">NSPR Threads</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Introduction_to_NSPR#Thread_Schedoling">Thread Scheduling</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Introduction_to_NSPR#Setting_Thread_Priorities">Setting Thread Priorities</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Introduction_to_NSPR#Preempting_Threads">Preempting Threads</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Introduction_to_NSPR#Interrupting_Threads">Interrupting Threads</a></li>
</ol>
</li>
</ol>
</li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Introduction_to_NSPR#NSPR_Thread_Synchronization">NSPR Thread Synchronization</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Introduction_to_NSPR#Locks_and_Monitors">Locks and Monitors</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Introduction_to_NSPR#Condition_Variables">Condition Variables</a></li>
</ol>
</li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Introduction_to_NSPR#NSPR_Sample_Code">NSPR Sample Code</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>NSPR Types</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_Types#Calling_Convention_Types">Calling Convention Types</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_Types#Algebraic_Types">Algebraic Types</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_Types#8-.2C_16-.2C_and_32-bit_Integer_Types">8-, 16-, and 32-bit Integer Types</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_Types#Signed_Integers">Signed Integers</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_Types#Unsigned_Integers">Unsigned Integers</a></li>
</ol>
</li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_Types#64-bit_Integer_Types">64-bit Integer Types</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_Types#Floating-Point_Number_Type">Floating-Point Integer Type</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_Types#Native_OS_Integer_Types">Native OS Integer Types</a></li>
</ol>
</li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_Types#Miscellaneous_Types">Miscellaneous Types</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_Types#Size_Type">Size Type</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_Types#Pointer_Difference_Types">Pointer Difference Types</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_Types#Boolean_Types">Boolean Types</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_Types#Status_Type_for_Return_Values">Status Type for Return Values</a></li>
</ol>
</li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Threads</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Threads#Threading_Types_and_Constants">Threading Types and Constants</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Threads#Threading_Functions">Threading Functions</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Threads#Creating.2C_Joining.2C_and_Identifying_Threads">Creating, Joining, and Identifying Threads</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Threads#Controlling_Thread_Priorities">Controlling Thread Priorities</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Threads#Controlling_Per-Thread_Private_Data">Controlling Per-Thread Private Data</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Threads#Interrupting_and_Yielding">Interrupting and Yielding</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Threads#Setting_Global_Thread_Concurrency">Setting Global Thread Concurrency</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Threads#Getting_a_Thread.27s_Scope">Getting a Thread's Scope</a></li>
</ol>
</li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Process Initialization</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Process_Initialization#Identity_and_Versioning">Identity and Versioning</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Process_Initialization#Name_and_Version_Constants">Name and Version Constants</a></li>
</ol>
</li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Process_Initialization#Initialization_and_Cleanup">Initialization and Cleanup</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Process_Initialization#Module_Initialization">Module Initialization</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Locks</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Locks#Lock_Type">Lock Type</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Locks#Lock_Functions">Lock Functions</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Condition Variables</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Condition_Variables#Condition_Variable_Type">Condition Variable Type</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Condition_Variables#Condition_Variable_Functions">Condition Variable Functions</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Monitors</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Monitors#Monitor_Type">Monitor Type</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Monitors#Monitor_Functions">Monitor Functions</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Cached Monitors</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Cached_Monitors#Cached_Monitor_Functions">Cached Monitor Functions</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>I/O Types</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Types#Directory_Type">Directory Type</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Types#File_Descriptor_Types">File Descriptor Types</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Types#File_Info_Types">File Info Types</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Types#Network_Address_Types">Network Address Types</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Types#Types_Used_with_Socket_Options_Functions">Types Used with Socket Options Functions</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Types#Type_Used_with_Memory-Mapped_I.2FO">Type Used with Memory-Mapped I/O</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Types#Offset_Interpretation_for_Seek_Functions">Offset Interpretation for Seek Functions</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>I/O Functions</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Functions#Functions_that_Operate_on_Pathnames">Functions that Operate on Pathnames</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Functions#Functions_that_Act_on_File_Descriptors">Functions that Act on File Descriptors</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Functions#Directory_I.2FO_Functions">Directory I/O Functions</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Functions#Socket_Manipolation_Functions">Socket Manipolation Functions</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Functions#Converting_Between_Host_and_Network_Addresses">Converting Between Host and Network Addresses</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Functions#Memory-Mapped_I.2FO_Functions">Memory-Mapped I/O Functions</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Functions#Anonymous_Pipe_Function">Anonymous Pipe Function</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Functions#Polling_Functions">Polling Functions</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Functions#Pollable_Events">Pollable Events</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/I_O_Functions#Manipulating_Layers">Manipulating Layers</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Network Addresses</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Network_Addresses#Network_Address_Types_and_Constants">Network Address Types and Constants</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Network_Addresses#Network_Address_Functions">Network Address Functions</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Atomic Operations</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_AtomicIncrement">PR_AtomicIncrement</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_AtomicDecrement">PR_AtomicDecrement</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_AtomicSet">PR_AtomicSet</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Interval Timing</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Interval_Timing#Interval_Time_Type_and_Constants">Interval Time Type and Constants</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Interval_Timing#Interval_Functions">Interval Functions</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details open>
<summary>Date and Time</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Date_and_Time#Types_and_Constants">Types and Constants</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Date_and_Time#Time_Parameter_Callback_Functions">Time Parameter Callback Functions</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Date_and_Time#Functions">Functions</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Memory Management Operations</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Memory_Management_Operations#Memory_Allocation_Functions">Memory Allocation Functions</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Memory_Management_Operations#Memory_Allocation_Macros">Memory Allocation Macros</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>String Operations</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PL_strlen">PL_strlen</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PL_strcpy">PL_strcpy</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PL_strdup">PL_strdup</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PL_strfree">PL_strfree</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Floating Point Number to String Conversion</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_strtod">PR_strtod</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_dtoa">PR_dtoa</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_cnvtf">PR_cnvtf</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Linked Lists</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Linked_Lists#Linked_List_Types">Linked List Types</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PRCList">PRCList</a></li>
</ol>
</li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Linked_Lists#Linked_List_Macros">Linked List Macros</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_INIT_CLIST">PR_INIT_CLIST</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_INIT_STATIC_CLIST">PR_INIT_STATIC_CLIST</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_APPEND_LINK">PR_APPEND_LINK</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_INSERT_LINK">PR_INSERT_LINK</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_NEXT_LINK">PR_NEXT_LINK</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_PREV_LINK">PR_PREV_LINK</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_REMOVE_LINK">PR_REMOVE_LINK</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_REMOVE_AND_INIT_LINK">PR_REMOVE_AND_INIT_LINK</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_INSERT_BEFORE">PR_INSERT_BEFORE</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_INSERT_AFTER">PR_INSERT_AFTER</a></li>
</ol>
</li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Dynamic Library Linking</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Dynamic_Library_Linking#Library_Linking_Types">Library Linking Types</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PRLibrary">PRLibrary</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PRStaticLinkTable">PRStaticLinkTable</a></li>
</ol>
</li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Dynamic_Library_Linking#Library_Linking_Functions">Library Linking Functions</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_SetLibraryPath">PR_SetLibraryPath</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_GetLibraryPath">PR_GetLibraryPath</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_GetLibraryName">PR_GetLibraryName</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_FreeLibraryName">PR_FreeLibraryName</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_LoadLibrary">PR_LoadLibrary</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_UnloadLibrary">PR_UnloadLibrary</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_FindSymbol">PR_FindSymbol</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_FindSymbolAndLibrary">PR_FindSymbolAndLibrary</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Dynamic_Library_Linking#Finding_Symbols_Defined_in_the_Main_Executable_Program">Finding Symbols Defined in the Main Executable Program</a></li>
</ol>
</li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Dynamic_Library_Linking#Platform_Notes">Platform Notes</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Dynamic_Library_Linking#Dynamic_Library_Search_Path">Dynamic Library Search Path</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Dynamic_Library_Linking#Exporting_Symbols_from_the_Main_Executable_Program">Exporting Symbols from the Main Executable Program</a></li>
</ol>
</li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Process Management and Interprocess Communication</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Process_Management_and_Interprocess_Communication#Process_Management_Types_and_Constants">Process Management Types and Constants</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PRProcess">PRProcess</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PRProcessAttr">PRProcessAttr</a></li>
</ol>
</li>
<li><a href="/es/es/docs/Mozilla/Projects/NSPR/Reference/Process_Management_and_Interprocess_Communication#Process_Management_Functions">Process Management Functions</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Process_Management_and_Interprocess_Communication#Setting_the_Attributes_of_a_New_Process">Setting the Attributes of a New Process</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Process_Management_and_Interprocess_Communication#Creating_and_Managing_Processes">Creating and Managing Processes</a></li>
</ol>
</li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Logging</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Logging#Conditional_Compilation_and_Execution">Conditional Compilation and Execution</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Logging#Log_Types_and_Variables">Log Types and Variables</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PRLogModoleInfo">PRLogModoleInfo</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PRLogModoleLevel">PRLogModoleLevel</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_LOG_MODULES">NSPR_LOG_MODULES</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_LOG_FILE">NSPR_LOG_FILE</a></li>
</ol>
</li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Logging#Logging_Functions_and_Macros">Logging Functions and Macros</a>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_NewLogModole">PR_NewLogModole</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_SetLogFile">PR_SetLogFile</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_SetLogBuffering">PR_SetLogBuffering</a>/li>
</li><li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_LogPrint">PR_LogPrint</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_LogFlush">PR_LogFlush</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_LOG_TEST">PR_LOG_TEST</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_LOG">PR_LOG</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_Assert_">PR_Assert</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_ASSERT">PR_ASSERT</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/PR_NOT_REACHED">PR_NOT_REACHED</a></li>
</ol>
</li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Logging#Use_Example">Use Example</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Named Shared Memory</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Named_Shared_Memory#Shared_Memory_Protocol">Shared Memory Protocol</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Named_Shared_Memory#Named_Shared_Memory_Functions">Named Shared Memory Functions</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Anonymous Shared Memory</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Anonymous_Shared_Memory#Anonymous_Memory_Protocol">Anonymous Memory Protocol</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Anonymous_Shared_Memory#Anonymous_Shared_Memory_Functions">Anonymous Shared Memory Functions</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>IPC Semaphores</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/IPC_Semaphores#IPC_Semaphore_Functions">IPC Semaphore Functions</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Thread Pools</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Thread_Pools#Thread_Pool_Types">Thread Pool Types</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Thread_Pools#Thread_Pool_Functions">Thread Pool Functions</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Random Number Generator</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Random_Number_Generator#Random_Number_Generator_Function">Random Number Generator Function</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Hash Tables</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Hash_Tables#Hash_Tables_and_Type_Constants">Hash Tables and Type Constants</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/Hash_Tables#Hash_Table_Functions">Hash Table Functions</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>NSPR Error Handling</summary>
<ol>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_Error_Handling#Error_Type">Error Type</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_Error_Handling#Error_Functions">Error Functions</a></li>
<li><a href="/es/docs/Mozilla/Projects/NSPR/Reference/NSPR_Error_Handling#Error_Codes">Error Codes</a></li>
</ol>
</details>
</li>
<li class="toggle">
<details>
<summary>Contribute</summary>
<ol>
<li><a href="/es/docs/MDN/Doc_status/NSPR"></a></li>
<li><a href="/es/docs/MDN">The MDN Project</a></li>
</ol>
</details>
</li>
</ol>
</section>
<p>Una representación de tiempos absolutos.
</p>
<h3 id="Sintaxis">Sintaxis</h3>
<pre class="eval"> #include <prtime.h>
typedef PRInt64 PRTime;
</pre>
<h3 id="Descripción">Descripción</h3>
<p>Este tipo es un entero de 64 bits que representa la cantidad de micro segundos desde la época NSPR, medianoche (00:00:00) del 1 de Enero de 1970 UTC (Coordinated Universal Time). El tiempo despues de esa época, tiene un valor positivo y un tiempo anterior tiene valor negativo. </p><p>En NSPR usamos más familiarmente, la expresión GMT (Greenwich Mean Time) en lugar de UTC. Aunque UTC y GMT no son exactamente lo mismo en una definición extricta, pueden ser usados generalmente como equivalentes.
</p><p>Ya que <code>PRTime</code> es un entero de 64 bits, debes usar las macros LL definidas en <tt>prlong.h</tt> para manipular los valores de <code>PRTime</code>. (Ver <a href="es/NSPR_API_Reference/Long_Long_(64-bit)_Integers">Chapter 18 "Long Long (64-bit) Integers</a>)".
</p>
<div class="note"><b>Nota:</b> Recuerda que mientras <code>PRTime</code> almacena el valor de micro segundos de la época, las fechas en JavaScript almacenan el valor en segundos de la época.</div>
<p><br>
</p>
<div class="noinclude">
</div>
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