Introduce file descriptor tracker

[lttng-ust.git] / include / ust-fd.h

diff --git a/include/ust-fd.h b/include/ust-fd.h
new file mode 100644 (file)
index 0000000..7cbcf47
--- /dev/null
+++ b/include/ust-fd.h
@@ -0,0 +1,36 @@
+#ifndef _LTTNG_UST_FD_H
+#define _LTTNG_UST_FD_H
+
+/*
+ * Copyright (C) 2016 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; only
+ * version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/*
+ * This header is meant for liblttng and libust internal use ONLY.
+ * These declarations should NOT be considered stable API.
+ */
+
+void lttng_ust_init_fd_tracker(void);
+void lttng_ust_add_fd_to_tracker(int fd);
+void lttng_ust_delete_fd_from_tracker(int fd);
+void lttng_ust_lock_fd_tracker(void);
+void lttng_ust_unlock_fd_tracker(void);
+
+int lttng_ust_safe_close_fd(int fd, int (*close_cb)(int));
+int lttng_ust_safe_closefrom_fd(int lowfd, int (*close_cb)(int));
+
+#endif /* _LTTNG_UST_FD_H */