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atexit

De cppreference.com
< c‎ | program

 
 
Servicios públicos de apoyo a programas
Programa terminación
Original:
Program termination
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abort
exit
quick_exit(C++11)
_Exit(C++11)
La comunicación con el medio ambiente
Original:
Communicating with the environment
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Señales
Original:
Signals
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Tipos de señal
Original:
Signal types
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SIGABRT
SIGFPE
SIGILL
SIGINT
SIGSEGV
SIGTERM
No locales saltos
Original:
Non-local jumps
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setjmp
longjmp
Tipos
Original:
Types
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jmp_buf
 
Defined in header <stdlib.h>
int atexit( void (*func)() );
Registra la función a la que apunta func de ser llamado a la terminación normal del programa (a través de exit() o regresan de main()) .
Original:
Registers the function pointed to by func to be called on normal program termination (via exit() or returning from main()).
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Llamar a la función de varios hilos no induce una carrera de datos. La implantación apoyará la inscripción de las funciones 32 por lo menos .
Original:
Calling the function from several threads does not induce a data race. The implementation shall support the registration of at least 32 functions.
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Contenido

[editar] Parámetros

func -
puntero a una función que se llama a la terminación normal del programa
Original:
pointer to a function to be called on normal program termination
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[editar] Valor de retorno

0 si el registro tiene éxito, valor distinto de cero de otra manera .
Original:
0 if the registration succeeds, nonzero value otherwise.
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[editar] Excepciones

noexcept specification:  
noexcept
  (desde C++11)

[editar] Ejemplo

#include <stdlib.h>
#include <stdio.h>
 
void f1()
{
    puts("pushed first");
}
 
void f2()
{
    puts("pushed second");
}
 
int main()
{
    atexit(f1);
    atexit(f2);
}

Output:

pushed second
pushed first

[editar] Ver también

registra una función para ser llamada en quick_exit invocación
Original:
registers a function to be called on quick_exit invocation
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(función) [edit]