memfd: move code from public library to src/shared

[elogind.git] / src / shared / memfd.h

diff --git a/src/shared/memfd.h b/src/shared/memfd.h
new file mode 100644 (file)
index 0000000..6de045c
--- /dev/null
+++ b/src/shared/memfd.h
@@ -0,0 +1,57 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#ifndef foosdmemfdhfoo
+#define foosdmemfdhfoo
+
+/***
+  This file is part of systemd.
+
+  Copyright 2013 Lennart Poettering
+
+  systemd 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; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <inttypes.h>
+#include <sys/types.h>
+#include <stdio.h>
+
+#include "_sd-common.h"
+
+_SD_BEGIN_DECLARATIONS;
+
+typedef struct sd_memfd sd_memfd;
+
+int sd_memfd_new(sd_memfd **m, const char *name);
+int sd_memfd_new_from_fd(sd_memfd **m, int fd);
+int sd_memfd_new_and_map(sd_memfd **m, const char *name, size_t sz, void **p);
+
+void sd_memfd_free(sd_memfd *m);
+
+int sd_memfd_get_fd(sd_memfd *m);
+int sd_memfd_dup_fd(sd_memfd *n);
+int sd_memfd_get_file(sd_memfd *m, FILE **f);
+
+int sd_memfd_map(sd_memfd *m, uint64_t offset, size_t size, void **p);
+
+int sd_memfd_set_sealed(sd_memfd *m);
+int sd_memfd_get_sealed(sd_memfd *m);
+
+int sd_memfd_get_size(sd_memfd *m, uint64_t *sz);
+int sd_memfd_set_size(sd_memfd *m, uint64_t sz);
+
+int sd_memfd_get_name(sd_memfd *m, char **name);
+
+_SD_END_DECLARATIONS;
+
+#endif