mirror of
https://github.com/jart/cosmopolitan.git
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55 lines
2.7 KiB
C
55 lines
2.7 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/dce.h"
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#include "libc/intrin/asan.internal.h"
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#include "libc/testlib/testlib.h"
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#include "libc/thread/thread.h"
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#include "libc/thread/tls.h"
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#define A TLS_ALIGNMENT
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long z = 2;
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pthread_t t;
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_Thread_local long x;
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_Thread_local long y[1] = {40};
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_Alignas(A) _Thread_local long a;
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noubsan void *Worker(void *arg) {
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ASSERT_EQ(42, x + y[0] + z);
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ASSERT_EQ(0, (intptr_t)&a & (A - 1));
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if (IsAsan()) {
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ASSERT_EQ(kAsanProtected, __asan_check(y + 1, sizeof(long)).kind);
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}
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return 0;
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}
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TEST(tls, test) {
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ASSERT_EQ(A, _Alignof(a));
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ASSERT_EQ(0, sizeof(struct CosmoTib) % A);
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ASSERT_EQ(0, (intptr_t)__get_tls() & (A - 1));
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EXPECT_EQ(42, x + y[0] + z);
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y[0] = 666;
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ASSERT_EQ(0, (intptr_t)&a & (A - 1));
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ASSERT_EQ(0, pthread_create(&t, 0, Worker, 0));
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ASSERT_EQ(0, pthread_join(t, 0));
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if (IsAsan()) {
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// TODO(jart): Why isn't it poisoned?
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// ASSERT_EQ(kAsanProtected, __asan_check(y + 1, sizeof(long)).kind);
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}
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}
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