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| author | Rusty Russell <rusty@rustcorp.com.au> | 2011-09-14 07:14:13 +0930 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2011-09-14 07:14:13 +0930 |
| commit | 2cf3f7c07499f565101e1bcb835c73fc297ea72e (patch) | |
| tree | dd1f4507984e47302b29cd6312ef12cf0c9afe1f /lib/tdb2/io.c | |
| parent | 376511ed4defeeeabcfaa83acd230afd4a46b6fd (diff) | |
| download | samba-2cf3f7c07499f565101e1bcb835c73fc297ea72e.tar.gz samba-2cf3f7c07499f565101e1bcb835c73fc297ea72e.tar.bz2 samba-2cf3f7c07499f565101e1bcb835c73fc297ea72e.zip | |
tdb2: save open_flags instead of mmap_flags.
It's more consistent with what tdb1 does, and slightly more encapsulated.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 6b7c3c840eafbec211b9f58751c5ff754302a68e)
Diffstat (limited to 'lib/tdb2/io.c')
| -rw-r--r-- | lib/tdb2/io.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/tdb2/io.c b/lib/tdb2/io.c index 4166cd4c67..d422d96326 100644 --- a/lib/tdb2/io.c +++ b/lib/tdb2/io.c @@ -42,16 +42,23 @@ void tdb_munmap(struct tdb_file *file) void tdb_mmap(struct tdb_context *tdb) { + int mmap_flags; + if (tdb->flags & TDB_INTERNAL) return; if (tdb->flags & TDB_NOMMAP) return; + if ((tdb->open_flags & O_ACCMODE) == O_RDONLY) + mmap_flags = PROT_READ; + else + mmap_flags = PROT_READ | PROT_WRITE; + /* size_t can be smaller than off_t. */ if ((size_t)tdb->file->map_size == tdb->file->map_size) { tdb->file->map_ptr = mmap(NULL, tdb->file->map_size, - tdb->mmap_flags, + mmap_flags, MAP_SHARED, tdb->file->fd, 0); } else tdb->file->map_ptr = MAP_FAILED; |