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authordillon <dillon@FreeBSD.org>2001-08-24 18:22:46 +0000
committerdillon <dillon@FreeBSD.org>2001-08-24 18:22:46 +0000
commit7f91d3a7736fe15fe5f41287d9289b75a5b28825 (patch)
tree7256db3bfc3271095124d678fd69d8eb5048b8b6
parentacc07169ae950a0da799c1f5a8bcf691f187b38d (diff)
downloadFreeBSD-src-7f91d3a7736fe15fe5f41287d9289b75a5b28825.zip
FreeBSD-src-7f91d3a7736fe15fe5f41287d9289b75a5b28825.tar.gz
Remove MAP_NOEXTEND. It came from 4.4-lite and not only was never
implemented, but mmap()'s default behavior is *already* to not extend files. Only write() or ftruncate() can extend a file.
-rw-r--r--sys/sys/mman.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/sys/mman.h b/sys/sys/mman.h
index 9405464..9aa020a 100644
--- a/sys/sys/mman.h
+++ b/sys/sys/mman.h
@@ -62,7 +62,7 @@
#define MAP_RENAME 0x0020 /* Sun: rename private pages to file */
#define MAP_NORESERVE 0x0040 /* Sun: don't reserve needed swap area */
#define MAP_INHERIT 0x0080 /* region is retained after exec */
-#define MAP_NOEXTEND 0x0100 /* for MAP_FILE, don't change file size */
+#define MAP_RESERVED0100 0x0100 /* previously unimplemented MAP_NOEXTEND */
#define MAP_HASSEMAPHORE 0x0200 /* region may contain semaphores */
#define MAP_STACK 0x0400 /* region grows down, like a stack */
#define MAP_NOSYNC 0x0800 /* page to but do not sync underlying file */
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