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70 lines
3.4 KiB
C
70 lines
3.4 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/atomic.h"
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#include "libc/mem/mem.h"
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#include "libc/nexgen32e/nexgen32e.h"
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#include "libc/testlib/testlib.h"
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#include "libc/thread/thread.h"
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pthread_key_t mykey;
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int destructor_calls;
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void KeyDestructor(void *arg) {
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EXPECT_EQ(0, pthread_getspecific(mykey));
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ASSERT_EQ(31337, (intptr_t)arg);
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++destructor_calls;
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}
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void *Worker(void *arg) {
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ASSERT_EQ(0, pthread_getspecific(mykey));
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ASSERT_EQ(0, pthread_setspecific(mykey, (void *)31337));
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ASSERT_EQ((void *)31337, pthread_getspecific(mykey));
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return 0;
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}
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TEST(pthread_key_create, test) {
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pthread_t th;
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destructor_calls = 0;
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ASSERT_EQ(0, pthread_key_create(&mykey, KeyDestructor));
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ASSERT_EQ(0, pthread_setspecific(mykey, (void *)666));
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ASSERT_EQ(0, pthread_create(&th, 0, Worker, 0));
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ASSERT_EQ(0, pthread_join(th, 0));
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ASSERT_EQ(1, destructor_calls);
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ASSERT_EQ((void *)666, pthread_getspecific(mykey));
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ASSERT_EQ(0, pthread_key_delete(mykey));
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}
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void KeyDestructorCraze(void *arg) {
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EXPECT_EQ(0, pthread_getspecific(mykey));
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ASSERT_EQ(31337, (intptr_t)arg);
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EXPECT_EQ(0, pthread_setspecific(mykey, (void *)31337));
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++destructor_calls;
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}
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TEST(pthread_key_create, destructorKeepsSettingKey_willHalt) {
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pthread_t th;
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destructor_calls = 0;
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ASSERT_EQ(0, pthread_key_create(&mykey, KeyDestructorCraze));
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ASSERT_EQ(0, pthread_setspecific(mykey, (void *)666));
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ASSERT_EQ(0, pthread_create(&th, 0, Worker, 0));
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ASSERT_EQ(0, pthread_join(th, 0));
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ASSERT_EQ(PTHREAD_DESTRUCTOR_ITERATIONS, destructor_calls);
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ASSERT_EQ((void *)666, pthread_getspecific(mykey));
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ASSERT_EQ(0, pthread_key_delete(mykey));
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}
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