Espaços nominais
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longjmp

Da cppreference.com
< c‎ | program

 
 
Utilitários de apoio do programa
Término do programa
Original:
Program termination
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abort
exit
quick_exit(C++11)
_Exit(C++11)
Comunicando com o meio ambiente
Original:
Communicating with the environment
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Sinais
Original:
Signals
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Tipos de sinais
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Signal types
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SIGABRT
SIGFPE
SIGILL
SIGINT
SIGSEGV
SIGTERM
Não-locais saltos
Original:
Non-local jumps
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setjmp
longjmp
Tipos
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Types
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jmp_buf
 
Defined in header <setjmp.h>
void longjmp( jmp_buf env, int status );
Carrega o env contexto de execução salvo por uma chamada anterior a setjmp. Esta função não retorna. O controle é transferido para o local chamado do setjmp macro que criou env. setjmp que retorna o valor, passado como o status.
Original:
Loads the execution context env saved by a previous call to setjmp. This function does not return. Control is transferred to the call site of the macro setjmp that set up env. That setjmp then returns the value, passed as the status.
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Se a função que chamou setjmp foi encerrado, o comportamento é indefinido (em outras palavras, apenas saltos longos até a pilha de chamadas são permitidos)
Original:
If the function that called setjmp has exited, the behavior is undefined (in other words, only long jumps up the call stack are allowed)
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Não destruidores para objetos automáticos são chamados. Se a substituição de longjmp com throw e setjmp com catch iria executar um destrutor não-trivial para qualquer objeto automático, o comportamento de tais longjmp é indefinido.
Original:
No destructors for automatic objects are called. If replacing of longjmp with throw and setjmp with catch would execute a non-trivial destructor for any automatic object, the behavior of such longjmp is undefined.
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Índice

[editar] Parâmetros

env -
variável referente ao estado de execução do programa guardado por setjmp
Original:
variable referring to the execution state of the program saved by setjmp
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status -
o valor para retornar de setjmp. Se for igual a 0, 1 é usado em vez disso
Original:
the value to return from setjmp. If it is equal to 0, 1 is used instead
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[editar] Valor de retorno

(Nenhum)
Original:
(none)
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[editar] Exemplo

[editar] Veja também

salva o contexto
Original:
saves the context
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(função macro) [edit]
C++ documentation for longjmp