diff options
Diffstat (limited to 'freebsd/sys/sys/mman.h')
| -rw-r--r-- | freebsd/sys/sys/mman.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/freebsd/sys/sys/mman.h b/freebsd/sys/sys/mman.h index 4872d631..5ed9cdd6 100644 --- a/freebsd/sys/sys/mman.h +++ b/freebsd/sys/sys/mman.h @@ -82,11 +82,15 @@ */ #define MAP_FILE 0x0000 /* map from file (default) */ #define MAP_ANON 0x1000 /* allocated from memory, swap space */ +#ifndef _KERNEL +#define MAP_ANONYMOUS MAP_ANON /* For compatibility. */ +#endif /* !_KERNEL */ /* * Extended flags */ #define MAP_NOCORE 0x00020000 /* dont include these pages in a coredump */ +#define MAP_PREFAULT_READ 0x00040000 /* prefault mapping for reading */ #endif /* __BSD_VISIBLE */ #if __POSIX_VISIBLE >= 199309 @@ -174,9 +178,11 @@ typedef __size_t size_t; #define _SIZE_T_DECLARED #endif -#ifdef _KERNEL +#if defined(_KERNEL) || defined(_WANT_FILE) #include <vm/vm.h> +struct file; + struct shmfd { size_t shm_size; vm_object_t shm_object; @@ -184,6 +190,7 @@ struct shmfd { uid_t shm_uid; gid_t shm_gid; mode_t shm_mode; + int shm_kmappings; /* * Values maintained solely to make this a better-behaved file @@ -195,10 +202,16 @@ struct shmfd { struct timespec shm_birthtime; struct label *shm_label; /* MAC label */ + const char *shm_path; }; +#endif +#ifdef _KERNEL int shm_mmap(struct shmfd *shmfd, vm_size_t objsize, vm_ooffset_t foff, vm_object_t *obj); +int shm_map(struct file *fp, size_t size, off_t offset, void **memp); +int shm_unmap(struct file *fp, void *mem, size_t size); +void shm_path(struct shmfd *shmfd, char *path, size_t size); #else /* !_KERNEL */ |