open               56 include/crm/common/io_internal.h     (void) open("/dev/null", flags);
open              117 lib/common/pid.c     fd = open(filename, O_RDONLY);
open              223 lib/common/pid.c     fd = open(filename, O_CREAT | O_WRONLY | O_EXCL, 0644);
open               78 lib/common/procfs.c     fd = open(procpath, O_RDONLY);