[BusyBox] choice for reserving buffers

Vladimir N. Oleynik dzo at simtreas.ru
Fri Jan 26 17:39:01 UTC 2001


Larry Doolittle wrote:

> If the system runs short on memory, malloc will return NULL (and
> the xmalloc wrapper will exit).  A page fault that should create
> a new, physical BSS page, but can't because of a memory shortage,
> will turn into a SIGSEGV, or similar.

Correct Unix thus should not do it and 
put the process in waiting or not start at all. 
As size BSS is beforehand known. 
It is disadvantage Linux :(


--w
vodz





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