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Sync ax_have_epoll.m4 with autoconf-archive
[lttng-tools.git]
/
src
/
common
/
align.h
diff --git
a/src/common/align.h
b/src/common/align.h
index ed353206d1ad03e3d1286414f604041f80538037..c8d9d51766906e15cfe444258778872e0a5ad143 100644
(file)
--- a/
src/common/align.h
+++ b/
src/common/align.h
@@
-35,6
+35,12
@@
#define ALIGN(v, align) __ALIGN_MASK(v, (__typeof__(v)) (align) - 1)
#endif
#define ALIGN(v, align) __ALIGN_MASK(v, (__typeof__(v)) (align) - 1)
#endif
+#define __ALIGN_FLOOR_MASK(v, mask) ((v) & ~(mask))
+
+#ifndef ALIGN_FLOOR
+#define ALIGN_FLOOR(v, align) __ALIGN_FLOOR_MASK(v, (__typeof__(v)) (align) - 1)
+#endif
+
#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)
/**
#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)
/**
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