2 * <sys/mman.h> wrapper functions.
5 * Jonathan Pryor (jonpryor@vt.edu)
7 * Copyright (C) 2004-2006 Jonathan Pryor
13 #define _XOPEN_SOURCE 600
18 #define _DARWIN_C_SOURCE
22 #define __BSD_VISIBLE 1
27 #define _NETBSD_SOURCE
30 #include <sys/types.h>
34 #include "mono/utils/mono-compiler.h"
41 Mono_Posix_Syscall_mmap (void *start, mph_size_t length, int prot, int flags,
42 int fd, mph_off_t offset)
46 mph_return_val_if_size_t_overflow (length, MAP_FAILED);
47 mph_return_val_if_off_t_overflow (offset, MAP_FAILED);
49 if (Mono_Posix_FromMmapProts (prot, &_prot) == -1)
51 if (Mono_Posix_FromMmapFlags (flags, &_flags) == -1)
54 return mmap (start, (size_t) length, _prot, _flags, fd, (off_t) offset);
58 Mono_Posix_Syscall_munmap (void *start, mph_size_t length)
60 mph_return_if_size_t_overflow (length);
62 return munmap (start, (size_t) length);
66 Mono_Posix_Syscall_mprotect (void *start, mph_size_t len, int prot)
69 mph_return_if_size_t_overflow (len);
71 if (Mono_Posix_FromMmapProts (prot, &_prot) == -1)
74 return mprotect (start, (size_t) len, _prot);
78 Mono_Posix_Syscall_msync (void *start, mph_size_t len, int flags)
81 mph_return_if_size_t_overflow (len);
83 if (Mono_Posix_FromMsyncFlags (flags, &_flags) == -1)
86 return msync (start, (size_t) len, _flags);
90 Mono_Posix_Syscall_mlock (void *start, mph_size_t len)
92 #if !defined(HAVE_MINCORE)
95 mph_return_if_size_t_overflow (len);
97 return mlock (start, (size_t) len);
102 Mono_Posix_Syscall_munlock (void *start, mph_size_t len)
104 #if defined(__HAIKU__)
107 mph_return_if_size_t_overflow (len);
109 return munlock (start, (size_t) len);
115 Mono_Posix_Syscall_mremap (void *old_address, mph_size_t old_size,
116 mph_size_t new_size, guint64 flags)
120 mph_return_val_if_size_t_overflow (old_size, MAP_FAILED);
121 mph_return_val_if_size_t_overflow (new_size, MAP_FAILED);
123 if (Mono_Posix_FromMremapFlags (flags, &_flags) == -1)
127 return mremap (old_address, (size_t) old_size, (size_t) new_size,
128 (unsigned long) _flags);
129 #elif defined(__NetBSD__)
130 return mremap (old_address, (size_t) old_size, old_address,
131 (size_t) new_size, (unsigned long) _flags);
136 #endif /* def HAVE_MREMAP */
139 Mono_Posix_Syscall_mincore (void *start, mph_size_t length, unsigned char *vec)
141 #if defined(__HAIKU__)
144 mph_return_if_size_t_overflow (length);
146 return mincore (start, (size_t) length, (void*)vec);
150 #ifdef HAVE_POSIX_MADVISE
152 Mono_Posix_Syscall_posix_madvise (void *addr, mph_size_t len, gint32 advice)
154 mph_return_if_size_t_overflow (len);
156 if (Mono_Posix_FromPosixMadviseAdvice (advice, &advice) == -1)
159 return posix_madvise (addr, (size_t) len, advice);
161 #endif /* def HAVE_POSIX_MADVISE */
163 #ifdef HAVE_REMAP_FILE_PAGES
165 Mono_Posix_Syscall_remap_file_pages (void *start, mph_size_t size,
166 int prot, mph_ssize_t pgoff, int flags)
170 mph_return_if_size_t_overflow (size);
171 mph_return_if_ssize_t_overflow (pgoff);
173 if (Mono_Posix_FromMmapProts (prot, &_prot) == -1)
175 if (Mono_Posix_FromMmapFlags (flags, &_flags) == -1)
178 return remap_file_pages (start, (size_t) size, _prot, (ssize_t) pgoff, _flags);
180 #endif /* def HAVE_REMAP_FILE_PAGES */