1 files changed, 53 insertions, 0 deletions
diff --git a/lib/isc/include/isc/condition.h b/lib/isc/include/isc/condition.h
new file mode 100644
index 0000000..0e1dcf1
--- /dev/null
+++ b/lib/isc/include/isc/condition.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#pragma once
+
+/*! \file */
+
+#include <errno.h>
+
+#include <isc/error.h>
+#include <isc/lang.h>
+#include <isc/mutex.h>
+#include <isc/result.h>
+#include <isc/strerr.h>
+#include <isc/string.h>
+#include <isc/types.h>
+
+typedef pthread_cond_t isc_condition_t;
+
+#define isc_condition_init(cond)                              \
+	if (pthread_cond_init(cond, NULL) != 0) {             \
+		FATAL_SYSERROR(errno, "pthread_cond_init()"); \
+	}
+
+#define isc_condition_wait(cp, mp)                            \
+	((pthread_cond_wait((cp), (mp)) == 0) ? ISC_R_SUCCESS \
+					      : ISC_R_UNEXPECTED)
+
+#define isc_condition_signal(cp) \
+	((pthread_cond_signal((cp)) == 0) ? ISC_R_SUCCESS : ISC_R_UNEXPECTED)
+
+#define isc_condition_broadcast(cp) \
+	((pthread_cond_broadcast((cp)) == 0) ? ISC_R_SUCCESS : ISC_R_UNEXPECTED)
+
+#define isc_condition_destroy(cp) \
+	((pthread_cond_destroy((cp)) == 0) ? ISC_R_SUCCESS : ISC_R_UNEXPECTED)
+
+ISC_LANG_BEGINDECLS
+
+isc_result_t
+isc_condition_waituntil(isc_condition_t *, isc_mutex_t *, isc_time_t *);
+
+ISC_LANG_ENDDECLS