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-rw-r--r--src/random.cpp7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/random.cpp b/src/random.cpp
index fee6c2d92a..7f05bcf9a2 100644
--- a/src/random.cpp
+++ b/src/random.cpp
@@ -12,6 +12,7 @@
#include <wincrypt.h>
#endif
#include <logging.h> // for LogPrint()
+#include <sync.h> // for WAIT_LOCK
#include <utiltime.h> // for GetTime()
#include <stdlib.h>
@@ -295,7 +296,7 @@ void RandAddSeedSleep()
}
-static std::mutex cs_rng_state;
+static CWaitableCriticalSection cs_rng_state;
static unsigned char rng_state[32] = {0};
static uint64_t rng_counter = 0;
@@ -305,7 +306,7 @@ static void AddDataToRng(void* data, size_t len) {
hasher.Write((const unsigned char*)data, len);
unsigned char buf[64];
{
- std::unique_lock<std::mutex> lock(cs_rng_state);
+ WAIT_LOCK(cs_rng_state, lock);
hasher.Write(rng_state, sizeof(rng_state));
hasher.Write((const unsigned char*)&rng_counter, sizeof(rng_counter));
++rng_counter;
@@ -337,7 +338,7 @@ void GetStrongRandBytes(unsigned char* out, int num)
// Combine with and update state
{
- std::unique_lock<std::mutex> lock(cs_rng_state);
+ WAIT_LOCK(cs_rng_state, lock);
hasher.Write(rng_state, sizeof(rng_state));
hasher.Write((const unsigned char*)&rng_counter, sizeof(rng_counter));
++rng_counter;