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mdbx-windows: use timeouts instead of retries for file locking.

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This commit is contained in:
Леонид Юрьев (Leonid Yuriev)
2025-11-11 20:06:47 +03:00
parent aac890314c
commit 2f33449f2a
7 changed files with 124 additions and 113 deletions
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27
test/osal-windows.c++
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@@ -9,32 +9,15 @@ static std::unordered_map<unsigned, HANDLE> events;
static HANDLE hBarrierSemaphore, hBarrierEvent;
static HANDLE hProgressActiveEvent, hProgressPassiveEvent;
static int waitstatus2errcode(DWORD result) {
switch (result) {
case WAIT_OBJECT_0:
return MDBX_SUCCESS;
case WAIT_FAILED:
return GetLastError();
case WAIT_ABANDONED:
return ERROR_ABANDONED_WAIT_0;
case WAIT_IO_COMPLETION:
return ERROR_USER_APC;
case WAIT_TIMEOUT:
return ERROR_TIMEOUT;
default:
return ERROR_UNHANDLED_ERROR;
}
}
void osal_wait4barrier(void) {
DWORD rc = WaitForSingleObject(hBarrierSemaphore, 0);
switch (rc) {
default:
failure_perror("WaitForSingleObject(BarrierSemaphore)", waitstatus2errcode(rc));
failure_perror("WaitForSingleObject(BarrierSemaphore)", osal_waitstatus2errcode(rc));
case WAIT_OBJECT_0:
rc = WaitForSingleObject(hBarrierEvent, INFINITE);
if (rc != WAIT_OBJECT_0)
failure_perror("WaitForSingleObject(BarrierEvent)", waitstatus2errcode(rc));
failure_perror("WaitForSingleObject(BarrierEvent)", osal_waitstatus2errcode(rc));
break;
case WAIT_TIMEOUT:
if (!SetEvent(hBarrierEvent))
@@ -95,7 +78,7 @@ void osal_broadcast(unsigned id) {
int osal_waitfor(unsigned id) {
log_trace("osal_waitfor: event %u", id);
DWORD rc = WaitForSingleObject(events.at(id), INFINITE);
return waitstatus2errcode(rc);
return osal_waitstatus2errcode(rc);
}
int osal_delay(unsigned seconds) {
@@ -397,7 +380,7 @@ int osal_actor_poll(mdbx_pid_t &pid, unsigned timeout) {
return 0;
}
return waitstatus2errcode(rc);
return osal_waitstatus2errcode(rc);
}
}
@@ -418,7 +401,7 @@ void osal_udelay(size_t us) {
if (us > threshold_us && us > 1000) {
DWORD rc = SleepEx(unsigned(us / 1000), TRUE);
if (rc)
failure_perror("SleepEx()", waitstatus2errcode(rc));
failure_perror("SleepEx()", osal_waitstatus2errcode(rc));
us = 0;
}