--- Libc/Libc-583/sys/shm_open.2
+++ Libc/Libc-262/sys/shm_open.2
@@ -20,7 +20,7 @@
 .\" 
 .\" @APPLE_LICENSE_HEADER_END@
 .\"
-.Dd August 29, 2008
+.Dd September 20, 1999
 .Dt SHM_OPEN 2
 .Os Darwin
 .Sh NAME
@@ -29,18 +29,12 @@
 .Sh SYNOPSIS
 .Fd #include <sys/mman.h>
 .Ft int
-.Fo shm_open
-.Fa "const char *name"
-.Fa "int oflag"
-.Fa "..."
-.Fc
-.Pp
-The parameter "mode_t mode" is optional.
+.Fn shm_open "const char *name" "int flags" "mode_t mode"
 .Sh DESCRIPTION
 The shared memory object referenced by
 .Fa name
 is opened for reading and/or writing as specified by the argument
-.Fa oflag
+.Fa flags
 and the file descriptor returned to the calling process.
 The returned file descriptor will be the lowest non-open file
 descriptor for the calling process, and is not shared with any
@@ -57,7 +51,7 @@
 object, provided that the object has not been unlinked by a call to
 .Fn shm_unlink .
 The
-.Fa oflag
+.Fa flags
 argument may indicate the file is to be
 created if it does not exist (by specifying the
 .Dv O_CREAT
@@ -68,9 +62,7 @@
 and modified by the process' umask value (see
 .Xr umask 2 ) .
 .Pp
-The value of
-.Fa oflag
-is formed by
+The flags specified are formed by
 .Em or Ns 'ing
 the following values:
 .Pp
@@ -120,6 +112,13 @@
 it unlinked and all other references are gone. Objects do
 not persist across a system reboot.
 .Pp
+The new descriptor is set to remain open across
+.Xr execve
+system calls; see
+.Xr close 2
+and
+.Xr fcntl 2 .
+.Pp
 The system imposes a limit on the number of file descriptors
 open simultaneously by one process.
 .Xr Getdtablesize 2
@@ -151,12 +150,9 @@
 The process has already reached its limit for open file descriptors.
 .It Bq Er ENAMETOOLONG
 .Fa name
-exceeded the name size limit.
-This is currently
-.Dv PSHMNAMLEN
-characters (defined in
-.In sys/posix_shm.h ) ,
-but this may change in the future.
+exceeded
+.Dv SHM_NAME_MAX
+characters.
 .It Bq Er ENFILE
 The system file table is full.
 .It Bq Er ENOENT