X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=support%2Fsys-mman.c;h=3973bd6614f7199b3e4585bbf367c89301219a64;hb=17078213cec92f9c30523dfc051d68a00a740225;hp=57b4e08c73554b669967452c5128b6982c3e8c1c;hpb=6b6435d1b3206b0162c37e5ecce8d9a699fe6467;p=mono.git

diff --git a/support/sys-mman.c b/support/sys-mman.c
index 57b4e08c735..3973bd6614f 100644
--- a/support/sys-mman.c
+++ b/support/sys-mman.c
@@ -4,10 +4,23 @@
  * Authors:
  *   Jonathan Pryor (jonpryor@vt.edu)
  *
- * Copyright (C) 2004 Jonathan Pryor
+ * Copyright (C) 2004-2006 Jonathan Pryor
  */
 
+#include <config.h>
+
+#ifndef __OpenBSD__
 #define _XOPEN_SOURCE 600
+#endif
+
+#ifdef PLATFORM_MACOSX
+/* For mincore () */
+#define _DARWIN_C_SOURCE
+#endif
+#ifdef __FreeBSD__
+/* For mincore () */
+#define __BSD_VISIBLE 1
+#endif
 
 #include <sys/types.h>
 #include <sys/mman.h>
@@ -18,6 +31,97 @@
 
 G_BEGIN_DECLS
 
+void*
+Mono_Posix_Syscall_mmap (void *start, mph_size_t length, int prot, int flags, 
+		int fd, mph_off_t offset)
+{
+	int _prot, _flags;
+
+	mph_return_val_if_size_t_overflow (length, MAP_FAILED);
+	mph_return_val_if_off_t_overflow (offset, MAP_FAILED);
+
+	if (Mono_Posix_FromMmapProts (prot, &_prot) == -1)
+		return MAP_FAILED;
+	if (Mono_Posix_FromMmapFlags (flags, &_flags) == -1)
+		return MAP_FAILED;
+
+	return mmap (start, (size_t) length, _prot, _flags, fd, (off_t) offset);
+}
+
+int
+Mono_Posix_Syscall_munmap (void *start, mph_size_t length)
+{
+	mph_return_if_size_t_overflow (length);
+
+	return munmap (start, (size_t) length);
+}
+
+int
+Mono_Posix_Syscall_mprotect (void *start, mph_size_t len, int prot)
+{
+	int _prot;
+	mph_return_if_size_t_overflow (len);
+
+	if (Mono_Posix_FromMmapProts (prot, &_prot) == -1)
+		return -1;
+
+	return mprotect (start, (size_t) len, _prot);
+}
+
+int
+Mono_Posix_Syscall_msync (void *start, mph_size_t len, int flags)
+{
+	int _flags;
+	mph_return_if_size_t_overflow (len);
+
+	if (Mono_Posix_FromMsyncFlags (flags, &_flags) == -1)
+		return -1;
+
+	return msync (start, (size_t) len, _flags);
+}
+
+int
+Mono_Posix_Syscall_mlock (void *start, mph_size_t len)
+{
+	mph_return_if_size_t_overflow (len);
+
+	return mlock (start, (size_t) len);
+}
+
+int
+Mono_Posix_Syscall_munlock (void *start, mph_size_t len)
+{
+	mph_return_if_size_t_overflow (len);
+
+	return munlock (start, (size_t) len);
+}
+
+#ifdef HAVE_MREMAP
+void*
+Mono_Posix_Syscall_mremap (void *old_address, mph_size_t old_size, 
+		mph_size_t new_size, guint64 flags)
+{
+	guint64 _flags;
+
+	mph_return_val_if_size_t_overflow (old_size, MAP_FAILED);
+	mph_return_val_if_size_t_overflow (new_size, MAP_FAILED);
+
+	if (Mono_Posix_FromMremapFlags (flags, &_flags) == -1)
+		return MAP_FAILED;
+
+	return mremap (old_address, (size_t) old_size, (size_t) new_size,
+			(unsigned long) _flags);
+}
+#endif /* def HAVE_MREMAP */
+
+int
+Mono_Posix_Syscall_mincore (void *start, mph_size_t length, unsigned char *vec)
+{
+	mph_return_if_size_t_overflow (length);
+
+	return mincore (start, (size_t) length, (void*)vec);
+}
+
 #ifdef HAVE_POSIX_MADVISE
 gint32
 Mono_Posix_Syscall_posix_madvise (void *addr, mph_size_t len, gint32 advice)
@@ -31,6 +135,25 @@ Mono_Posix_Syscall_posix_madvise (void *addr, mph_size_t len, gint32 advice)
 }
 #endif /* def HAVE_POSIX_MADVISE */
 
+#ifdef HAVE_REMAP_FILE_PAGES
+int
+Mono_Posix_Syscall_remap_file_pages (void *start, mph_size_t size, 
+		int prot, mph_ssize_t pgoff, int flags)
+{
+	int _prot, _flags;
+
+	mph_return_if_size_t_overflow (size);
+	mph_return_if_ssize_t_overflow (pgoff);
+
+	if (Mono_Posix_FromMmapProts (prot, &_prot) == -1)
+		return -1;
+	if (Mono_Posix_FromMmapFlags (flags, &_flags) == -1)
+		return -1;
+
+	return remap_file_pages (start, (size_t) size, _prot, (ssize_t) pgoff, _flags);
+}
+#endif /* def HAVE_REMAP_FILE_PAGES */
+
 G_END_DECLS
 
 /*