Report Windows error code in a fatal error after a system call.
llvm-svn: 252800
diff --git a/llvm/lib/Support/Windows/Process.inc b/llvm/lib/Support/Windows/Process.inc
index 8164956..dae35a8 100644
--- a/llvm/lib/Support/Windows/Process.inc
+++ b/llvm/lib/Support/Windows/Process.inc
@@ -417,16 +417,23 @@
return 0;
}
+// Include GetLastError() in a fatal error message.
+static void ReportLastErrorFatal(const char *Msg) {
+ std::string ErrMsg;
+ MakeErrMsg(&ErrMsg, Msg);
+ report_fatal_error(ErrMsg);
+}
+
unsigned Process::GetRandomNumber() {
HCRYPTPROV HCPC;
if (!::CryptAcquireContextW(&HCPC, NULL, NULL, PROV_RSA_FULL,
CRYPT_VERIFYCONTEXT))
- report_fatal_error("Could not acquire a cryptographic context");
+ ReportLastErrorFatal("Could not acquire a cryptographic context");
ScopedCryptContext CryptoProvider(HCPC);
unsigned Ret;
if (!::CryptGenRandom(CryptoProvider, sizeof(Ret),
reinterpret_cast<BYTE *>(&Ret)))
- report_fatal_error("Could not generate a random number");
+ ReportLastErrorFatal("Could not generate a random number");
return Ret;
}