46 lines
829 B
C
46 lines
829 B
C
#include <stdint.h>
|
|
#include "syscall.h"
|
|
#include "proc/proc.h"
|
|
#include "spinlock/spinlock.h"
|
|
#include "errors.h"
|
|
#include "util/util.h"
|
|
#include "sysdefs/processctl.h"
|
|
|
|
#define PID_SELF_MAGIC 0x5E1F
|
|
|
|
int32_t SYSCALL3(sys_processctl, pid1, cmd1, optsptr1) {
|
|
uint64_t pid = pid1;
|
|
uint64_t cmd = cmd1;
|
|
int32_t ret = E_OK;
|
|
|
|
spinlock_acquire(&PROCS.spinlock);
|
|
|
|
if (pid == PID_SELF_MAGIC) {
|
|
pid = PROCS.current->pid;
|
|
}
|
|
|
|
Proc *proc = NULL;
|
|
LL_FINDPROP(PROCS.procs, proc, pid, pid);
|
|
|
|
if (proc == NULL) {
|
|
ret = E_INVALIDARGUMENT;
|
|
goto done;
|
|
}
|
|
|
|
switch (cmd) {
|
|
case PCTL_KILL: {
|
|
proc_kill(proc);
|
|
ret = E_DOSCHEDULING;
|
|
goto done;
|
|
} break;
|
|
default: {
|
|
ret = E_INVALIDARGUMENT;
|
|
goto done;
|
|
} break;
|
|
}
|
|
|
|
done:
|
|
spinlock_release(&PROCS.spinlock);
|
|
return ret;
|
|
}
|