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Diffstat (limited to 'gcc-4.9/libgo/runtime/mem_posix_memalign.c')
-rw-r--r--gcc-4.9/libgo/runtime/mem_posix_memalign.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/gcc-4.9/libgo/runtime/mem_posix_memalign.c b/gcc-4.9/libgo/runtime/mem_posix_memalign.c
new file mode 100644
index 000000000..8acdf0705
--- /dev/null
+++ b/gcc-4.9/libgo/runtime/mem_posix_memalign.c
@@ -0,0 +1,48 @@
+#include <errno.h>
+
+#include "runtime.h"
+#include "arch.h"
+#include "malloc.h"
+
+void*
+runtime_SysAlloc(uintptr n)
+{
+ void *p;
+
+ mstats.sys += n;
+ errno = posix_memalign(&p, PageSize, n);
+ if (errno > 0) {
+ perror("posix_memalign");
+ exit(2);
+ }
+ return p;
+}
+
+void
+runtime_SysUnused(void *v, uintptr n)
+{
+ USED(v);
+ USED(n);
+ // TODO(rsc): call madvise MADV_DONTNEED
+}
+
+void
+runtime_SysFree(void *v, uintptr n)
+{
+ mstats.sys -= n;
+ free(v);
+}
+
+void*
+runtime_SysReserve(void *v, uintptr n)
+{
+ USED(v);
+ return runtime_SysAlloc(n);
+}
+
+void
+runtime_SysMap(void *v, uintptr n)
+{
+ USED(v);
+ USED(n);
+}