PR_CAP_AMBIENT_CLEAR_ALL
(2const)clear the ambient capability set of the calling thread
#include <linux/prctl.h> /* Definition of PR_* constants */ #include <sys/prctl.h> int prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_CLEAR_ALL, 0L, 0L, 0L);
clear the ambient capability set of the calling thread