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/* start.c - Start/stop system services.
*
* Copyright 2016 The Android Open Source Project
USE_START(NEWTOY(start, "", TOYFLAG_USR|TOYFLAG_SBIN))
USE_STOP(NEWTOY(stop, "", TOYFLAG_USR|TOYFLAG_SBIN))
config START
bool "start"
depends on TOYBOX_ON_ANDROID
default y
help
usage: start [SERVICE...]
Starts the given system service, or netd/surfaceflinger/zygotes.
config STOP
bool "stop"
depends on TOYBOX_ON_ANDROID
default y
help
usage: stop [SERVICE...]
Stop the given system service, or netd/surfaceflinger/zygotes.
*/
#define FOR_start
#include "toys.h"
#include <sys/system_properties.h>
static void start_stop(int start)
{
char *property = start ? "ctl.start" : "ctl.stop";
// null terminated in both directions
char *services[] = {0,"netd","surfaceflinger","zygote","zygote_secondary",0},
**ss = toys.optargs;
int direction = 1;
if (getuid()) error_exit("must be root");
if (!*ss) {
// If we don't have optargs, iterate through services forward/backward.
ss = services+1;
if (!start) ss = services+ARRAY_LEN(services)-2, direction = -1;
}
for (; *ss; ss += direction)
if (__system_property_set(property, *ss))
error_exit("failed to set property '%s' to '%s'", property, *ss);
}
void start_main(void)
{
start_stop(1);
}
void stop_main(void)
{
start_stop(0);
}
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