defined(__arm__)) && \
SANITIZER_LINUX && !SANITIZER_ANDROID
// sizeof(struct pthread) from glibc.
-static atomic_uintptr_t kThreadDescriptorSize;
+static atomic_uintptr_t thread_descriptor_size;
uptr ThreadDescriptorSize() {
- uptr val = atomic_load(&kThreadDescriptorSize, memory_order_relaxed);
+ uptr val = atomic_load_relaxed(&thread_descriptor_size);
if (val)
return val;
#if defined(__x86_64__) || defined(__i386__) || defined(__arm__)
else
val = FIRST_32_SECOND_64(1216, 2304);
}
- if (val)
- atomic_store(&kThreadDescriptorSize, val, memory_order_relaxed);
- return val;
}
#endif
#elif defined(__mips__)
// TODO(sagarthakur): add more values as per different glibc versions.
val = FIRST_32_SECOND_64(1152, 1776);
- if (val)
- atomic_store(&kThreadDescriptorSize, val, memory_order_relaxed);
- return val;
#elif defined(__aarch64__)
// The sizeof (struct pthread) is the same from GLIBC 2.17 to 2.22.
val = 1776;
- atomic_store(&kThreadDescriptorSize, val, memory_order_relaxed);
- return val;
#elif defined(__powerpc64__)
val = 1776; // from glibc.ppc64le 2.20-8.fc21
- atomic_store(&kThreadDescriptorSize, val, memory_order_relaxed);
- return val;
#elif defined(__s390__)
val = FIRST_32_SECOND_64(1152, 1776); // valid for glibc 2.22
- atomic_store(&kThreadDescriptorSize, val, memory_order_relaxed);
#endif
- return 0;
+ if (val)
+ atomic_store_relaxed(&thread_descriptor_size, val);
+ return val;
}
// The offset at which pointer to self is located in the thread descriptor.