diff options
Diffstat (limited to 'src/libsystemd-bus/test-bus-memfd.c')
-rw-r--r-- | src/libsystemd-bus/test-bus-memfd.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/libsystemd-bus/test-bus-memfd.c b/src/libsystemd-bus/test-bus-memfd.c new file mode 100644 index 0000000000..4c5ae21a8c --- /dev/null +++ b/src/libsystemd-bus/test-bus-memfd.c @@ -0,0 +1,85 @@ +/*-*- 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 <sys/mman.h> + +#include "log.h" +#include "macro.h" +#include "util.h" + +#include "sd-memfd.h" + +int main(int argc, char *argv[]) { + sd_memfd *m; + char *s; + uint64_t sz; + int r, fd; + + log_set_max_level(LOG_DEBUG); + + r = sd_memfd_new(&m); + if (r == -ENOENT) + return EXIT_TEST_SKIP; + + r = sd_memfd_map(m, 0, 6, (void**) &s); + assert_se(r >= 0); + + strcpy(s, "hallo"); + assert_se(munmap(s, 6) == 0); + + assert_se(write(sd_memfd_get_fd(m), "he", 2) == 2); + + r = sd_memfd_get_sealed(m); + assert_se(r == 0); + + r = sd_memfd_set_sealed(m, 1); + assert_se(r >= 0); + + r = sd_memfd_get_sealed(m); + assert_se(r == 1); + + r = sd_memfd_get_size(m, &sz); + assert_se(r >= 0); + assert_se(sz = page_size()); + + r = sd_memfd_set_size(m, 6); + assert_se(r >= 0); + + fd = sd_memfd_dup_fd(m); + assert_se(fd >= 0); + + sd_memfd_free(m); + + r = sd_memfd_make(fd, &m); + assert_se(r >= 0); + + r = sd_memfd_get_size(m, &sz); + assert_se(r >= 0); + assert_se(sz = 6); + + r = sd_memfd_map(m, 0, 6, (void**) &s); + assert_se(r >= 0); + + assert_se(streq(s, "hello")); + assert_se(munmap(s, 6) == 0); + + return 0; +} |