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nptl: Use __mprotect consistently for _STACK_GROWS_UP

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Florian Weimer
2018-07-12 15:01:43 +02:00
parent 93304f5f7a
commit 046bfed9de
2 changed files with 6 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2018-07-12 Florian Weimer <fweimer@redhat.com>
* nptl/allocatestack.c [_STACK_GROWS_UP] (allocate_stack): Call
__mprotect, not mprotect.
2018-07-11 Florian Weimer <fweimer@redhat.com> 2018-07-11 Florian Weimer <fweimer@redhat.com>
* io/Makefile (headers): Add bits/statx.h. * io/Makefile (headers): Add bits/statx.h.

2
nptl/allocatestack.c
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@ -728,7 +728,7 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
/* The guard size difference might be > 0, but once rounded /* The guard size difference might be > 0, but once rounded
to the nearest page the size difference might be zero. */ to the nearest page the size difference might be zero. */
if (new_guard > old_guard if (new_guard > old_guard
&& mprotect (old_guard, new_guard - old_guard, prot) != 0) && __mprotect (old_guard, new_guard - old_guard, prot) != 0)
goto mprot_error; goto mprot_error;
#endif #endif