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SIGLONGJMP(P)			    POSIX Programmer's Manual			    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 fol-
       lows:

	* 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 corresponding
       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 sig-
       nificant for programs which use sigaction(), sigprocmask(), or sigsuspend().

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       longjmp()  ,  setjmp() , sigprocmask() , sigsetjmp() , sigsuspend() , the Base Definitions
       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 orig-
       inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group			       2003				    SIGLONGJMP(P)
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