pam_close_session 3 Linux-PAM Manual pam_close_session terminate PAM session management #include <security/pam_appl.h> int pam_close_session pam_handle_t *pamh int flags The pam_close_session function is used to indicate that an authenticated session has ended. The session should have been created with a call to pam_open_session3 . It should be noted that the effective uid, geteuid2 . of the application should be of sufficient privilege to perform such tasks as unmounting the user's home directory for example. The flags argument is the binary or of zero or more of the following values: PAM_SILENT Do not emit any messages. PAM_ABORT General failure. PAM_BUF_ERR Memory buffer error. PAM_SESSION_ERR Session failure. PAM_SUCCESS Session was successful terminated. pam_open_session3 , pam_strerror3