+ /* Actually (try to) create the file here to avoid a race
+ condition on file naming + creation. This won't solve the
+ problem with old NFS that doesn't support O_EXCL, though.
+ Let the umask strip off permissions from 0666 as desired.
+ That's what fopen () would do if it was creating the file. */
+ if ((fd = open (buffer, O_CREAT | O_EXCL,
+ S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP |
+ S_IROTH | S_IWOTH)) >= 0) {
+ close (fd);