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kernel/syscalls: Implement sys_kill syscall

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Signed-off-by: EnderIce2 <enderice2@protonmail.com>
This commit is contained in:
EnderIce2 2024-12-26 02:23:30 +02:00
parent 911caf7203
commit 80afbedf39
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1 changed files with 43 additions and 1 deletions
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44
Kernel/syscalls/native.cpp
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@ -182,7 +182,49 @@ static int sys_execve(SysFrm *Frame, const char *pathname, char *const argv[], c
static pid_t sys_getpid(SysFrm *Frame) { return -ENOSYS; }
static pid_t sys_getppid(SysFrm *Frame) { return -ENOSYS; }
static pid_t sys_waitpid(pid_t pid, int *wstatus, int options) { return -ENOSYS; }
static int sys_kill(SysFrm *Frame, pid_t pid, int sig) { return -ENOSYS; }
static int sys_kill(SysFrm *Frame, pid_t pid, int sig)
{
PCB *pcb = thisProcess->GetContext()->GetProcessByID(pid);
if (!pcb)
return -ESRCH;
/* TODO: Check permissions */
if (sig == 0)
return 0;
if (pid == 0)
{
bool found = false;
foreach (auto proc in pcb->GetContext()->GetProcessList())
{
if (proc->Security.ProcessGroupID == thisProcess->Security.ProcessGroupID)
{
debug("Sending signal %d to %s(%d)", sig, proc->Name, proc->ID);
proc->SendSignal(sig);
found = true;
}
}
if (!found)
return -ESRCH;
return 0;
}
if (pid == -1)
{
fixme("Sending signal %d to all processes except init", sig);
return -ENOSYS;
}
if (pid < -1)
{
fixme("Sending signal %d to process group %d", sig, pid);
return -ENOSYS;
}
return pcb->SendSignal(sig);
}
static int sys_prctl(SysFrm *Frame, prctl_options_t option, unsigned long arg1, unsigned long arg2, unsigned long arg3, unsigned long arg4)
{