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/* ISC license. */
#include <signal.h>
#include <errno.h>
#include <skalibs/sgetopt.h>
#include <skalibs/strerr2.h>
#include <skalibs/sig.h>
#define USAGE "s6-nuke [ -h | -t | -k ]"
int main (int argc, char const *const *argv)
{
int doterm = 0, dohangup = 0, dokill = 0 ;
PROG = "s6-nuke" ;
{
subgetopt l = SUBGETOPT_ZERO ;
for (;;)
{
int opt = subgetopt_r(argc, argv, "htk", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'h': dohangup = 1 ; break ;
case 't': doterm = 1 ; break ;
case 'k': dokill = 1 ; break ;
default : strerr_dieusage(100, USAGE) ;
}
}
argc -= l.ind ; argv += l.ind ;
}
if (dohangup)
{
sig_ignore(SIGHUP) ;
kill(-1, SIGHUP) ;
}
if (doterm)
{
sig_ignore(SIGTERM) ;
kill(-1, SIGTERM) ;
kill(-1, SIGCONT) ;
}
if (dokill) kill(-1, SIGKILL) ;
if (errno) strerr_diefu1sys(111, "kill") ;
return 0 ;
}
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