RGBCube/serenity
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Add an undertaker task that is responsible for destroying dead tasks.

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This commit is contained in:
Andreas Kling 2018-10-23 15:41:55 +02:00
parent 1c1d0f5362
commit d90d125dfe
3 changed files with 42 additions and 8 deletions
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27
Kernel/init.cpp
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@ -28,6 +28,7 @@
#include "ProcFileSystem.h"
#define TEST_VFS
//#define STRESS_TEST_SPAWNING
//#define TEST_ELF_LOADER
//#define TEST_CRASHY_USER_PROCESSES
@ -95,6 +96,15 @@ void banner()
kprintf("\n");
}
static void undertaker_main() NORETURN;
static void undertaker_main()
{
for (;;) {
Task::doHouseKeeping();
sleep(10);
}
}
static void init_stage2() NORETURN;
static void init_stage2()
{
@ -105,7 +115,7 @@ static void init_stage2()
auto keyboard = make<Keyboard>();
extern void panel_main();
new Task(panel_main, "panel", IPC::Handle::PanelTask, Task::Ring0);
//new Task(panel_main, "panel", IPC::Handle::PanelTask, Task::Ring0);
//new Task(led_disco, "led-disco", IPC::Handle::Any, Task::Ring0);
Disk::initialize();
@ -171,6 +181,19 @@ static void init_stage2()
}
#endif
#ifdef STRESS_TEST_SPAWNING
dword lastAlloc = sum_alloc;
for (unsigned i = 0; i < 100; ++i) {
auto* shTask = Task::create("/bin/id", (uid_t)100, (gid_t)100);
kprintf("malloc stats: alloc:%u free:%u\n", sum_alloc, sum_free);
kprintf("sizeof(Task):%u\n", sizeof(Task));
kprintf("delta:%u\n",sum_alloc - lastAlloc);
lastAlloc = sum_alloc;
sleep(600);
}
#endif
auto* shTask = Task::create("/bin/sh", (uid_t)100, (gid_t)100);
//new Task(motd_main, "motd", IPC::Handle::MotdTask, Task::Ring0);
@ -221,6 +244,8 @@ void init()
Task::initialize();
new Task(undertaker_main, "undertaker", IPC::Handle::UserTask, Task::Ring0);
auto* init2 = new Task(init_stage2, "init", IPC::Handle::InitTask, Task::Ring0);
scheduleNewTask();