siglongjmp(3p) - phpMan

SIGLONGJMP(P)                                                    SIGLONGJMP(P)



NAME
       siglongjmp - non-local goto with signal handling

SYNOPSIS
       #include <setjmp.h>

       void siglongjmp(sigjmp_buf env, int val);


DESCRIPTION
       The  siglongjmp() function shall be equivalent to the longjmp() function, except as
       follows:

        * References to setjmp() shall be equivalent to sigsetjmp().


        * The siglongjmp() function shall restore the saved signal mask if and only if the
          env  argument  was initialized by a call to sigsetjmp() with a non-zero savemask
          argument.


RETURN VALUE
       After siglongjmp() is completed, program execution shall continue as if the  corre-
       sponding  invocation  of  sigsetjmp() had just returned the value specified by val.
       The siglongjmp() function shall not cause sigsetjmp() to return 0;  if  val  is  0,
       sigsetjmp() shall return the value 1.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       The  distinction  between  setjmp() or longjmp() and sigsetjmp() or siglongjmp() is
       only significant for programs which  use  sigaction(),  sigprocmask(),  or  sigsus-
       pend().

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       longjmp()  , setjmp() , sigprocmask() , sigsetjmp() , sigsuspend() , the Base Defi-
       nitions volume of IEEE Std 1003.1-2001, <setjmp.h>

COPYRIGHT
       Portions of this text are reprinted and reproduced in electronic form from IEEE Std
       1003.1,  2003  Edition,  Standard  for Information Technology -- Portable Operating
       System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C)
       2001-2003  by  the  Institute  of Electrical and Electronics Engineers, Inc and The
       Open Group. In the event of any discrepancy between this version and  the  original
       IEEE  and The Open Group Standard, the original IEEE and The Open Group Standard is
       the  referee  document.  The  original  Standard  can   be   obtained   online   at
       http://www.opengroup.org/unix/online.html .



POSIX                                2003                        SIGLONGJMP(P)

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