X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flibsystemd-bus%2Fsd-memfd.c;fp=src%2Flibsystemd-bus%2Fsd-memfd.c;h=0000000000000000000000000000000000000000;hp=cd95978ac2fe457948fe237f56aac7749e5a5875;hb=6bb648a16ae4a682ad4784412af706d2e6a3e4da;hpb=883b36908788361a8bb945ce884dc518da83b371

diff --git a/src/libsystemd-bus/sd-memfd.c b/src/libsystemd-bus/sd-memfd.c
deleted file mode 100644
index cd95978ac..000000000
--- a/src/libsystemd-bus/sd-memfd.c
+++ /dev/null
@@ -1,216 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
-  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 <stdio.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-
-#include "util.h"
-#include "kdbus.h"
-
-#include "sd-memfd.h"
-
-struct sd_memfd {
-        int fd;
-        FILE *f;
-};
-
-_public_ int sd_memfd_new(sd_memfd **m) {
-        _cleanup_close_ int kdbus = -1;
-        sd_memfd *n;
-        int fd;
-
-        assert_return(m, -EINVAL);
-
-        kdbus = open("/dev/kdbus/control", O_RDWR|O_NOCTTY|O_CLOEXEC);
-        if (kdbus < 0)
-                return -errno;
-
-        if (ioctl(kdbus, KDBUS_CMD_MEMFD_NEW, &fd) < 0)
-                return -errno;
-
-        n = new0(struct sd_memfd, 1);
-        if (!n)
-                return -ENOMEM;
-
-        n->fd = fd;
-        *m = n;
-        return 0;
-}
-
-_public_ int sd_memfd_make(int fd, sd_memfd **m) {
-        sd_memfd *n;
-        uint64_t sz;
-
-        assert_return(m, -EINVAL);
-        assert_return(fd >= 0, -EINVAL);
-
-        /* Check if this is a valid memfd */
-        if (ioctl(fd, KDBUS_CMD_MEMFD_SIZE_GET, &sz) < 0)
-                return -ENOTTY;
-
-        n = new0(struct sd_memfd, 1);
-        if (!n)
-                return -ENOMEM;
-
-        n->fd = fd;
-        *m = n;
-
-        return 0;
-}
-
-_public_ void sd_memfd_free(sd_memfd *m) {
-        if (!m)
-                return;
-
-        if (m->f)
-                fclose(m->f);
-        else
-                close_nointr_nofail(m->fd);
-
-        free(m);
-}
-
-_public_ int sd_memfd_get_fd(sd_memfd *m) {
-        assert_return(m, -EINVAL);
-
-        return m->fd;
-}
-
-_public_ int sd_memfd_get_file(sd_memfd *m, FILE **f) {
-        assert_return(m, -EINVAL);
-        assert_return(f, -EINVAL);
-
-        if (!m->f) {
-                m->f = fdopen(m->fd, "r+");
-                if (!m->f)
-                        return -errno;
-        }
-
-        *f = m->f;
-        return 0;
-}
-
-_public_ int sd_memfd_dup_fd(sd_memfd *m) {
-        int fd;
-
-        assert_return(m, -EINVAL);
-
-        fd = fcntl(m->fd, F_DUPFD_CLOEXEC, 3);
-        if (fd < 0)
-                return -errno;
-
-        return fd;
-}
-
-_public_ int sd_memfd_map(sd_memfd *m, uint64_t offset, size_t size, void **p) {
-        void *q;
-        int sealed;
-
-        assert_return(m, -EINVAL);
-        assert_return(size > 0, -EINVAL);
-        assert_return(p, -EINVAL);
-
-        sealed = sd_memfd_get_sealed(m);
-        if (sealed < 0)
-                return sealed;
-
-        q = mmap(NULL, size, sealed ? PROT_READ : PROT_READ|PROT_WRITE, MAP_SHARED, m->fd, offset);
-        if (q == MAP_FAILED)
-                return -errno;
-
-        *p = q;
-        return 0;
-}
-
-_public_ int sd_memfd_set_sealed(sd_memfd *m, int b) {
-        int r;
-
-        assert_return(m, -EINVAL);
-
-        r = ioctl(m->fd, KDBUS_CMD_MEMFD_SEAL_SET, b);
-        if (r < 0)
-                return -errno;
-
-        return 0;
-}
-
-_public_ int sd_memfd_get_sealed(sd_memfd *m) {
-        int r, b;
-
-        assert_return(m, -EINVAL);
-
-        r = ioctl(m->fd, KDBUS_CMD_MEMFD_SEAL_GET, &b);
-        if (r < 0)
-                return -errno;
-
-        return !!b;
-}
-
-_public_ int sd_memfd_get_size(sd_memfd *m, uint64_t *sz) {
-        int r;
-
-        assert_return(m, -EINVAL);
-        assert_return(sz, -EINVAL);
-
-        r = ioctl(m->fd, KDBUS_CMD_MEMFD_SIZE_GET, sz);
-        if (r < 0)
-                return -errno;
-
-        return r;
-}
-
-_public_ int sd_memfd_set_size(sd_memfd *m, uint64_t sz) {
-        int r;
-
-        assert_return(m, -EINVAL);
-
-        r = ioctl(m->fd, KDBUS_CMD_MEMFD_SIZE_SET, &sz);
-        if (r < 0)
-                return -errno;
-
-        return r;
-}
-
-_public_ int sd_memfd_new_and_map(sd_memfd **m, size_t sz, void **p) {
-        sd_memfd *n;
-        int r;
-
-        r = sd_memfd_new(&n);
-        if (r < 0)
-                return r;
-
-        r = sd_memfd_set_size(n, sz);
-        if (r < 0) {
-                sd_memfd_free(n);
-                return r;
-        }
-
-        r = sd_memfd_map(n, 0, sz, p);
-        if (r < 0) {
-                sd_memfd_free(n);
-                return r;
-        }
-
-        *m = n;
-        return 0;
-}