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init: reboot, acpid

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This commit is contained in:
Matheus
2024-09-01 23:14:12 -03:00
parent a876a61d08
commit 7a9f5c48c7
7 changed files with 119 additions and 18 deletions
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tools/init/main.c
+31 -15
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@@ -12,8 +12,24 @@
#include "common.h"
static void dopoweroff(void) {
printf("init: shutting down system\n");
static void sendacpicommand(char c) {
int acpifd = open("/dev/acpi", O_WRONLY);
if (acpifd == -1) {
perror("init: open /dev/acpi");
goto oops;
}
write(acpifd, &c, 1);
perror("init: write /dev/acpi");
oops:
printf("init: failed to send acpi command. please manually do what is needed.\n");
for (;;)
sleep(1);
}
static void preparetodie(void) {
printf("init: bringing system down\n");
//printf("init: sending SIGTERM to all processes\n");
// TODO kill(-1, SIGTERM);
// TODO wait 5 seconds or until all children have died
@@ -23,20 +39,16 @@ static void dopoweroff(void) {
printf("init: syncing disks\n");
sync();
}
static void doreboot(void) {
printf("init: rebooting\n");
sendacpicommand('r');
}
static void dopoweroff(void) {
printf("init: powering off\n");
int acpifd = open("/dev/acpi", O_WRONLY);
if (acpifd == -1) {
perror("init: open /dev/acpi");
goto oops;
}
write(acpifd, "p", 1);
perror("init: write /dev/acpi");
oops:
printf("init: failed to send acpi power off. please manually turn the computer off.\n");
for (;;)
sleep(1);
sendacpicommand('p');
}
static void handlecommands(void) {
@@ -65,8 +77,12 @@ static void handlecommands(void) {
switch (c) {
case COMMAND_POWEROFF:
preparetodie();
dopoweroff();
break;
case COMMAND_REBOOT:
preparetodie();
doreboot();
default:
printf("init: unknown command %c\n", c);
}