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-rw-r--r--hurd/hurdsig.c4
-rw-r--r--hurd/intr-msg.c17
2 files changed, 5 insertions, 16 deletions
diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index 48179b4..d105615 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -292,6 +292,7 @@ _hurdsig_abort_rpcs (struct hurd_sigstate *ss, int signo, int sigthread,
struct machine_thread_all_state *state, int *state_change,
void (*reply) (void))
{
+ extern const void _hurd_intr_rpc_msg_about_to;
extern const void _hurd_intr_rpc_msg_in_trap;
mach_port_t rcv_port = MACH_PORT_NULL;
mach_port_t intr_port;
@@ -307,7 +308,8 @@ _hurdsig_abort_rpcs (struct hurd_sigstate *ss, int signo, int sigthread,
receive completes immediately or aborts. */
abort_thread (ss, state, reply);
- if (state->basic.PC < (natural_t) &_hurd_intr_rpc_msg_in_trap)
+ if (state->basic.PC >= (natural_t) &_hurd_intr_rpc_msg_about_to &&
+ state->basic.PC < (natural_t) &_hurd_intr_rpc_msg_in_trap)
{
/* The thread is about to do the RPC, but hasn't yet entered
mach_msg. Mutate the thread's state so it knows not to try
diff --git a/hurd/intr-msg.c b/hurd/intr-msg.c
index 1f7724e..7ace0a1 100644
--- a/hurd/intr-msg.c
+++ b/hurd/intr-msg.c
@@ -114,23 +114,10 @@ _hurd_intr_rpc_mach_msg (mach_msg_header_t *msg,
message:
- /* XXX
- At all points here (once SS->intr_port is set), the signal thread
- thinks we are "about to enter the syscall", and might mutate our
- return-value register. This is bogus.
- */
-
- if (ss->cancel)
- {
- /* We have been cancelled. Don't do an RPC at all. */
- ss->intr_port = MACH_PORT_NULL;
- ss->cancel = 0;
- return EINTR;
- }
-
/* Note that the signal trampoline code might modify our OPTION! */
err = INTR_MSG_TRAP (msg, option, send_size,
- rcv_size, rcv_name, timeout, notify);
+ rcv_size, rcv_name, timeout, notify,
+ &ss->cancel, &ss->intr_port);
switch (err)
{