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squeue_t fixed

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This commit is contained in:
Nekotekina 2014-12-26 01:49:55 +03:00
parent c305949435
commit bdbbde4d36
2 changed files with 68 additions and 46 deletions
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55
Utilities/Thread.h
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@ -174,6 +174,13 @@ class squeue_t
T m_data[sq_size];
enum squeue_sync_var_result : u32
{
SQSVR_OK = 0,
SQSVR_LOCKED = 1,
SQSVR_FAILED = 2,
};
public:
squeue_t()
{
@ -194,22 +201,26 @@ public:
{
u32 pos = 0;
while (!m_sync.atomic_op_sync(true, [&pos](squeue_sync_var_t& sync) -> bool
while (u32 res = m_sync.atomic_op_sync(SQSVR_OK, [&pos](squeue_sync_var_t& sync) -> u32
{
assert(sync.count <= sq_size);
assert(sync.position < sq_size);
if (sync.write_lock || sync.count == sq_size)
if (sync.write_lock)
{
return false;
return SQSVR_LOCKED;
}
if (sync.count == sq_size)
{
return SQSVR_FAILED;
}
sync.write_lock = 1;
pos = sync.position + sync.count;
return true;
return SQSVR_OK;
}))
{
if (squeue_test_exit(do_exit))
if (res == SQSVR_FAILED && squeue_test_exit(do_exit))
{
return false;
}
@ -245,22 +256,26 @@ public:
{
u32 pos = 0;
while (!m_sync.atomic_op_sync(true, [&pos](squeue_sync_var_t& sync) -> bool
while (u32 res = m_sync.atomic_op_sync(SQSVR_OK, [&pos](squeue_sync_var_t& sync) -> u32
{
assert(sync.count <= sq_size);
assert(sync.position < sq_size);
if (sync.read_lock || !sync.count)
if (sync.read_lock)
{
return false;
return SQSVR_LOCKED;
}
if (!sync.count)
{
return SQSVR_FAILED;
}
sync.read_lock = 1;
pos = sync.position;
return true;
return SQSVR_OK;
}))
{
if (squeue_test_exit(do_exit))
if (res == SQSVR_FAILED && squeue_test_exit(do_exit))
{
return false;
}
@ -299,19 +314,19 @@ public:
void clear()
{
while (!m_sync.atomic_op_sync(true, [](squeue_sync_var_t& sync) -> bool
while (m_sync.atomic_op_sync(SQSVR_OK, [](squeue_sync_var_t& sync) -> u32
{
assert(sync.count <= sq_size);
assert(sync.position < sq_size);
if (sync.read_lock || sync.write_lock)
{
return false;
return SQSVR_LOCKED;
}
sync.read_lock = 1;
sync.write_lock = 1;
return true;
return SQSVR_OK;
}))
{
std::unique_lock<std::mutex> rcv_lock(m_rcv_mutex);
@ -328,22 +343,26 @@ public:
assert(start_pos < sq_size);
u32 pos = 0;
while (!m_sync.atomic_op_sync(true, [&pos, start_pos](squeue_sync_var_t& sync) -> bool
while (u32 res = m_sync.atomic_op_sync(SQSVR_OK, [&pos, start_pos](squeue_sync_var_t& sync) -> u32
{
assert(sync.count <= sq_size);
assert(sync.position < sq_size);
if (sync.read_lock || sync.count <= start_pos)
if (sync.read_lock)
{
return false;
return SQSVR_LOCKED;
}
if (sync.count <= start_pos)
{
return SQSVR_FAILED;
}
sync.read_lock = 1;
pos = sync.position + start_pos;
return true;
return SQSVR_OK;
}))
{
if (squeue_test_exit(do_exit))
if (res == SQSVR_FAILED && squeue_test_exit(do_exit))
{
return false;
}