[openssl-dev] 90-test_secmem.t hangs the machine for good

[Short, Todd]

MLOCK_ONFAULT is a Linux-only feature (hence the need to include <linux/mman.h> wrapped by OPENSSL_SYS_LINUX.

So, you should not be encountering any MLOCK_ONFAULT or <linux/mman.h> issues on MacOS.
--
-Todd Short
// tshort at akamai.com
// "One if by land, two if by sea, three if by the Internet."

> On May 15, 2017, at 1:51 PM, Blumenthal, Uri - 0553 - MITLL <uri at ll.mit.edu> wrote:
> 
> On 5/15/17, 1:20 PM, "openssl-dev on behalf of Benjamin Kaduk via openssl-dev" <openssl-dev-bounces at openssl.org <mailto:openssl-dev-bounces at openssl.org> on behalf of openssl-dev at openssl.org <mailto:openssl-dev at openssl.org>> wrote:
>> > On a semi-related note, I want able to locate mann.h file either.
> 
> `man mmap` will list any headers needed for the mmap() declaration and flag values.
> On the random OS X machine I have handy, it claims <sys/mman.h> is needed, 
> and a /usr/include/sys/mman.h is present.
> 
> Thanks – I confirm that `man mmap` mentions /usr/include/sys/mman.h, and that file does exist (how could my first `find` miss it?!). 
> This file does not contain MLOCK_ONFAULT though.
>  
> It has MAP_ANON:
>  
> /*
>  * Mapping type
>  */
> #define MAP_FILE        0x0000  /* map from file (default) */
> #define MAP_ANON        0x1000  /* allocated from memory, swap space */
> #define MAP_ANONYMOUS   MAP_ANON
>  
> And as I already mentioned, it has a world-accessible (figuratively speaking :) /dev/zero that can be opened read/write.
>  
> Also, with #3455 applied the problem disappeared (thankfully :).
>  
> -- 
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