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hurd: Cope with signals sent to ourself early

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Typically when aborting during initialization, before signals are set
up.
This commit is contained in:
Samuel Thibault
2025-01-12 00:09:44 +01:00
parent 0b6ad02b33
commit 0c48562508
1 changed files with 10 additions and 0 deletions
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10
sysdeps/mach/hurd/kill.c
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@@ -17,7 +17,9 @@
#include <errno.h> #include <errno.h>
#include <sys/types.h> #include <sys/types.h>
#include <sys/wait.h>
#include <signal.h> #include <signal.h>
#include <unistd.h>
#include <hurd.h> #include <hurd.h>
#include <hurd/port.h> #include <hurd/port.h>
#include <hurd/signal.h> #include <hurd/signal.h>
@@ -34,6 +36,14 @@ __kill (pid_t pid, int sig)
mach_port_t proc; mach_port_t proc;
struct hurd_userlink ulink; struct hurd_userlink ulink;
if (pid == __getpid () && _hurd_msgport == MACH_PORT_NULL)
{
/* We are trying to kill ourself but we have not even initialized our own
msgport yet. Abort by hand. */
_exit (127);
/* NOTREACHED */
}
void kill_pid (pid_t pid) /* Kill one PID. */ void kill_pid (pid_t pid) /* Kill one PID. */
{ {
/* SIGKILL is not delivered as a normal signal. /* SIGKILL is not delivered as a normal signal.