ref: 407cf4ac6e59556b65d29b3c0de6ada6fdcc3cc7
dir: /sys/src/ape/lib/ap/gen/raise.c/
/* not a posix function, but implemented with posix kill, getpid */
#include <sys/types.h>
#include <signal.h>
#include <unistd.h>
int
raise(int sig)
{
return kill(getpid(), sig);
}