diff options
Diffstat (limited to 'src/minutils/hpr.c')
-rw-r--r-- | src/minutils/hpr.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/minutils/hpr.c b/src/minutils/hpr.c new file mode 100644 index 0000000..d78470e --- /dev/null +++ b/src/minutils/hpr.c @@ -0,0 +1,49 @@ +/* ISC license. */ + +#include <unistd.h> +#include <signal.h> +#include <sys/reboot.h> +#include <skalibs/strerr2.h> +#include <skalibs/sgetopt.h> + +#define USAGE PROGNAME " [ -h | -p | -r ] [ -f ] [ -w | -d ]" + +int main (int argc, char const *const *argv) +{ + int what = WHATDEFAULT ; + int force = 0 ; + PROG = PROGNAME ; + + { + subgetopt_t l = SUBGETOPT_ZERO ; + for (;;) + { + register int opt = subgetopt_r(argc, argv, "hprfwd", &l) ; + if (opt == -1) break ; + switch (opt) + { + case 'h' : what = 1 ; break ; + case 'p' : what = 2 ; break ; + case 'r' : what = 3 ; break ; + case 'f' : force = 1 ; break ; + case 'w' : what = 0 ; break ; + case 'd' : break ; + default : strerr_dieusage(100, USAGE) ; + } + } + argc -= l.ind ; argv += l.ind ; + } + + if (what) + { + if (force) + { + sync() ; + reboot(what == 3 ? RB_AUTOBOOT : what == 2 ? RB_POWER_OFF : RB_HALT_SYSTEM) ; + strerr_diefu1sys(111, "reboot()") ; + } + else if (kill(1, what == 3 ? SIGINT : what == 2 ? SIGUSR1 : SIGUSR2) < 0) + strerr_diefu1sys(111, "signal process 1") ; + } + return 0 ; +} |