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fixed issues 66 (leaking files on disk error) and 68 (no sync of CURRENT file)

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This commit is contained in:
Sanjay Ghemawat
2012-01-25 14:56:52 -08:00
parent c8c5866a86
commit 3c8be108bf
5 changed files with 95 additions and 34 deletions
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22
util/env_test.cc
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@@ -22,29 +22,30 @@ class EnvPosixTest {
};
static void SetBool(void* ptr) {
*(reinterpret_cast<bool*>(ptr)) = true;
reinterpret_cast<port::AtomicPointer*>(ptr)->NoBarrier_Store(ptr);
}
TEST(EnvPosixTest, RunImmediately) {
bool called = false;
port::AtomicPointer called (NULL);
env_->Schedule(&SetBool, &called);
Env::Default()->SleepForMicroseconds(kDelayMicros);
ASSERT_TRUE(called);
ASSERT_TRUE(called.NoBarrier_Load() != NULL);
}
TEST(EnvPosixTest, RunMany) {
int last_id = 0;
port::AtomicPointer last_id (NULL);
struct CB {
int* last_id_ptr; // Pointer to shared slot
int id; // Order# for the execution of this callback
port::AtomicPointer* last_id_ptr; // Pointer to shared slot
uintptr_t id; // Order# for the execution of this callback
CB(int* p, int i) : last_id_ptr(p), id(i) { }
CB(port::AtomicPointer* p, int i) : last_id_ptr(p), id(i) { }
static void Run(void* v) {
CB* cb = reinterpret_cast<CB*>(v);
ASSERT_EQ(cb->id-1, *cb->last_id_ptr);
*cb->last_id_ptr = cb->id;
void* cur = cb->last_id_ptr->NoBarrier_Load();
ASSERT_EQ(cb->id-1, reinterpret_cast<uintptr_t>(cur));
cb->last_id_ptr->Release_Store(reinterpret_cast<void*>(cb->id));
}
};
@@ -59,7 +60,8 @@ TEST(EnvPosixTest, RunMany) {
env_->Schedule(&CB::Run, &cb4);
Env::Default()->SleepForMicroseconds(kDelayMicros);
ASSERT_EQ(4, last_id);
void* cur = last_id.Acquire_Load();
ASSERT_EQ(4, reinterpret_cast<uintptr_t>(cur));
}
struct State {