22#include "gdbsupport/filestuff.h"
23#include "gdbsupport/scoped_mmap.h"
26#if defined(HAVE_SYS_MMAN_H)
28#include "gdbsupport/selftest.h"
29#include "gdbsupport/gdb_unlinker.h"
34namespace scoped_mmap {
44 ::scoped_mmap smmap (
nullptr, sysconf (_SC_PAGESIZE), PROT_WRITE,
45 MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);
48 SELF_CHECK (mem !=
nullptr);
51 SELF_CHECK (msync (mem, sysconf (_SC_PAGESIZE), 0) == -1 && errno == ENOMEM);
62 ::scoped_mmap smmap (
nullptr, sysconf (_SC_PAGESIZE), PROT_WRITE,
63 MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);
65 mem = smmap.release ();
66 SELF_CHECK (mem !=
nullptr);
69 SELF_CHECK (msync (mem, sysconf (_SC_PAGESIZE), 0) == 0 || errno != ENOMEM);
71 munmap (mem, sysconf (_SC_PAGESIZE));
91 char filename[] =
"scoped_mmapped_file-selftest-XXXXXX";
93 scoped_fd fd = gdb_mkostemp_cloexec (filename);
94 SELF_CHECK (fd.get () >= 0);
96 SELF_CHECK (write (fd.get (),
"Hello!", 7) == 7);
99 gdb::unlinker unlink_test_file (filename);
102 ::scoped_mmap
m = ::mmap_file (filename);
104 SELF_CHECK (
m.get () != MAP_FAILED);
105 SELF_CHECK (
m.size () == 7);
106 SELF_CHECK (0 == strcmp ((
char *)
m.get (),
"Hello!"));
112test_invalid_filename ()
117 ::scoped_mmap
m = ::mmap_file (
"/this/file/should/not/exist");
118 }
catch (gdb_exception &e) {
131 test_invalid_filename ();
143#if defined(HAVE_SYS_MMAN_H)
144 selftests::register_test (
"scoped_mmap",
145 selftests::scoped_mmap::run_tests);
146 selftests::register_test (
"mmap_file",
147 selftests::mmap_file::run_tests);
void _initialize_scoped_mmap_selftests()