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2003-12-23 Roland McGrath <roland@redhat.com>

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* init.c (__pthread_initialize_minimal_internal): Round stack rlimit
	value up to page size for __default_stacksize.
This commit is contained in:
Roland McGrath
2003-12-23 23:07:09 +00:00
parent 8cae99dba5
commit d9cabb2f80
1 changed files with 11 additions and 6 deletions
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17
nptl/init.c
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@@ -255,12 +255,17 @@ __pthread_initialize_minimal_internal (void)
|| limit.rlim_cur == RLIM_INFINITY)
/* The system limit is not usable. Use an architecture-specific
default. */
limit.rlim_cur = ARCH_STACK_DEFAULT_SIZE;
__default_stacksize = MAX (limit.rlim_cur, PTHREAD_STACK_MIN);
/* The maximum page size better should be a multiple of the page
size. */
assert (__default_stacksize % __sysconf (_SC_PAGESIZE) == 0);
__default_stacksize = ARCH_STACK_DEFAULT_SIZE;
else if (limit.rlim_cur < PTHREAD_STACK_MIN)
/* The system limit is unusably small.
Use the minimal size acceptable. */
__default_stacksize = PTHREAD_STACK_MIN;
else
{
/* Round the resource limit up to page size. */
const uintptr_t pagesz = __sysconf (_SC_PAGESIZE);
__default_stacksize = (limit.rlim_cur + pagesz - 1) & -pagesz;
}
/* Get the size of the static and alignment requirements for the TLS
block. */