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[threads] Add checks around libc calls #5240

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Merged
luhenry merged 1 commit into from
Jul 19, 2017
Merged

[threads] Add checks around libc calls #5240

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20 changes: 17 additions & 3 deletions mono/utils/mono-threads-linux.c
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Original file line number Diff line number Diff line change
Expand Up @@ -13,13 +13,27 @@ void
mono_threads_platform_get_stack_bounds (guint8 **staddr, size_t *stsize)
{
pthread_attr_t attr;
gint res;

*staddr = NULL;
*stsize = (size_t)-1;

pthread_getattr_np (pthread_self (), &attr);
pthread_attr_getstack (&attr, (void**)staddr, stsize);
pthread_attr_destroy (&attr);
res = pthread_attr_init (&attr);
if (G_UNLIKELY (res != 0))
g_error ("%s: pthread_attr_init failed with \"%s\" (%d)", __func__, g_strerror (res), res);

res = pthread_getattr_np (pthread_self (), &attr);
if (G_UNLIKELY (res != 0))
g_error ("%s: pthread_getattr_np failed with \"%s\" (%d)", __func__, g_strerror (res), res);

res = pthread_attr_getstack (&attr, (void**)staddr, stsize);
if (G_UNLIKELY (res != 0))
g_error ("%s: pthread_attr_getstack failed with \"%s\" (%d)", __func__, g_strerror (res), res);

res = pthread_attr_destroy (&attr);
if (G_UNLIKELY (res != 0))
g_error ("%s: pthread_attr_destroy failed with \"%s\" (%d)", __func__, g_strerror (res), res);

}

#endif