DragonSA/pefs — comment on commit 497c5f2711b41183408e5b972f4335c7438006d9
File: lib/libpam/modules/pam_pefs/pam_pefs.c line 141
By glk:

We shouldn't reinvent the wheel and use flopen() from libutil. pid_* functions to write and read from file are also race free and perform additional checks.