Prepare Mono for Android NDK with unified headers (#5680)

[mono.git] / support / sys-mman.c

diff --git a/support/sys-mman.c b/support/sys-mman.c
index 3973bd6614f7199b3e4585bbf367c89301219a64..ad74ef2ad02f4ec8e35e55ae0ed8a86ae1860e98 100644 (file)
--- a/support/sys-mman.c
+++ b/support/sys-mman.c
@@ -13,7 +13,7 @@
 #define _XOPEN_SOURCE 600
 #endif
 
-#ifdef PLATFORM_MACOSX
+#ifdef HOST_DARWIN
 /* For mincore () */
 #define _DARWIN_C_SOURCE
 #endif
@@ -22,10 +22,16 @@
 #define __BSD_VISIBLE 1
 #endif
 
+#ifdef __NetBSD__
+/* For mincore () */
+#define _NETBSD_SOURCE
+#endif
+
 #include <sys/types.h>
 #include <sys/mman.h>
 #include <errno.h>
 
+#include "mono/utils/mono-compiler.h"
 #include "map.h"
 #include "mph.h"
 
@@ -83,17 +89,25 @@ Mono_Posix_Syscall_msync (void *start, mph_size_t len, int flags)
 int
 Mono_Posix_Syscall_mlock (void *start, mph_size_t len)
 {
+#if !defined(HAVE_MINCORE)
+       return ENOSYS;
+#else
        mph_return_if_size_t_overflow (len);
 
        return mlock (start, (size_t) len);
+#endif
 }
 
 int
 Mono_Posix_Syscall_munlock (void *start, mph_size_t len)
 {
+#if defined(__HAIKU__)
+       return ENOSYS;
+#else
        mph_return_if_size_t_overflow (len);
 
        return munlock (start, (size_t) len);
+#endif
 }
 
 #ifdef HAVE_MREMAP
@@ -109,17 +123,28 @@ Mono_Posix_Syscall_mremap (void *old_address, mph_size_t old_size,
        if (Mono_Posix_FromMremapFlags (flags, &_flags) == -1)
                return MAP_FAILED;
 
+#if defined(linux)
        return mremap (old_address, (size_t) old_size, (size_t) new_size,
                        (unsigned long) _flags);
+#elif defined(__NetBSD__)
+       return mremap (old_address, (size_t) old_size, old_address,
+                       (size_t) new_size, (unsigned long) _flags);
+#else
+#error Port me
+#endif
 }
 #endif /* def HAVE_MREMAP */
 
 int
 Mono_Posix_Syscall_mincore (void *start, mph_size_t length, unsigned char *vec)
 {
+#if defined(__HAIKU__)
+       return ENOSYS;
+#else
        mph_return_if_size_t_overflow (length);
 
        return mincore (start, (size_t) length, (void*)vec);
+#endif
 }
 
 #ifdef HAVE_POSIX_MADVISE