diff options
author | Damien Miller <djm@mindrot.org> | 2002-03-13 12:47:54 +1100 |
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committer | Damien Miller <djm@mindrot.org> | 2002-03-13 12:47:54 +1100 |
commit | 646e7cf3d7e7d4231c2d97d27c09fe5fe1d749e2 (patch) | |
tree | a693368c47d2d044514878fbb1516f87b487f78b /monitor_mm.h | |
parent | 29bdd2c9bca2737e7a246ed50fd827a6ccba0c61 (diff) |
Import of Niels Provos' 20020312 ssh-complete.diff
PAM, Cygwin and OSF SIA will not work for sure
Diffstat (limited to 'monitor_mm.h')
-rw-r--r-- | monitor_mm.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/monitor_mm.h b/monitor_mm.h new file mode 100644 index 00000000..5b4b789c --- /dev/null +++ b/monitor_mm.h @@ -0,0 +1,64 @@ +/* + * Copyright 2002 Niels Provos <provos@citi.umich.edu> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _MM_H_ +#define _MM_H_ +#include <sys/tree.h> + +struct mm_share { + RB_ENTRY(mm_share) next; + void *address; + size_t size; +}; + +struct mm_master { + RB_HEAD(mmtree, mm_share) rb_free; + struct mmtree rb_allocated; + void *address; + size_t size; + + struct mm_master *mmalloc; /* Used to completely share */ + + int write; /* used to writing to other party */ + int read; /* used for reading from other party */ +}; + +RB_PROTOTYPE(mmtree, mm_share, next, mm_compare); + +#define MM_MINSIZE 128 + +#define MM_ADDRESS_END(x) (void *)((u_char *)(x)->address + (x)->size) + +struct mm_master *mm_create(struct mm_master *, size_t); +void mm_destroy(struct mm_master *); + +void mm_share_sync(struct mm_master **, struct mm_master **); + +void *mm_malloc(struct mm_master *, size_t); +void *mm_xmalloc(struct mm_master *, size_t); +void mm_free(struct mm_master *, void *); + +void mm_memvalid(struct mm_master *, void *, size_t); +#endif /* _MM_H_ */ |