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Full Discussion: C. To segmentation fault or not to segmentation fault, that is the question.
Top Forums Programming C. To segmentation fault or not to segmentation fault, that is the question. Post 303032357 by wisecracker on Friday 15th of March 2019 02:35:37 PM
Old 03-15-2019
@nez...

(Just seen Corona688 post.)

The code was written for a real stock A1200 with HDD, Motorola 68020 32 bit, no FPU nor MMU.
This is a screenshot of the FS-UAE AMIGA emulator for THIS 64 bit MBP, OSX 10.14.1, using 68040 with FPU and MMU, and much more than the stock 2MB RAM, compiling the 'error.c' code that is in the OP using the AMIGA's gcc 2.95.3.

As you can see it IS working!

EDIT:
@C688...

That makes sense but I didn't see it. However the OP's first code block will not compile in gcc 2.95.3 as it crashes out so I am stuck with an 'illegal' operation for my fav' OS.
C. To segmentation fault or not to segmentation fault, that is the question.-68040_fpu_mmupng
Last edited by wisecracker; 03-15-2019 at 03:46 PM.. Reason: See EDIT.
This User Gave Thanks to wisecracker For This Post:
nezabudka
 

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LEARN ABOUT HPUX

sigdelset

sigsetops(3C)															     sigsetops(3C)

NAME

       sigemptyset(), sigfillset(), sigaddset(), sigdelset(), sigismember() - initialize, manipulate, and test signal sets

SYNOPSIS

DESCRIPTION

       initializes the signal set pointed to by set, to exclude all signals supported by HP-UX.

       initializes the signal set pointed to by set, to include all signals supported by HP-UX.

       Applications  must  call  either or at least once for each object of type before using that object for anything else, including cases where
       the object is returned from a function (for example, the oset argument to -- see sigprocmask(2)).

       adds the signal specified by signo to the signal set pointed to by set.

       deletes the signal specified by signo from the signal set pointed to by set.

       tests whether the signal specified by signo is a member of the signal set pointed to by set.

RETURN VALUE

       Upon successful completion, returns a value of 1 if the specified signal is a member of the specified set, or a value of 0 if  it  is  not.
       The other functions return a value of 0 upon successful completion.  For all of the above functions, if an error is detected, a value of -1
       is returned and is set to indicate the error.

ERRORS

       and fail if the following is true:

	      [EINVAL]	     The value of the signo argument is out of range.

WARNINGS

       The above functions do not detect a bad address passed in for the set argument.	A segmentation fault is the most likely result.

AUTHOR

       and were derived from the

SEE ALSO

       sigaction(2), sigsuspend(2), sigpending(2), sigprocmask(2), signal(5).

STANDARDS CONFORMANCE

																     sigsetops(3C)
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