diff options
Diffstat (limited to 'sysdeps/mach/hurd/mips/trampoline.c')
| -rw-r--r-- | sysdeps/mach/hurd/mips/trampoline.c | 37 |
1 files changed, 6 insertions, 31 deletions
diff --git a/sysdeps/mach/hurd/mips/trampoline.c b/sysdeps/mach/hurd/mips/trampoline.c index f03ad5852f..03e3d1da6f 100644 --- a/sysdeps/mach/hurd/mips/trampoline.c +++ b/sysdeps/mach/hurd/mips/trampoline.c @@ -150,6 +150,12 @@ _hurd_setup_sighandler (struct hurd_sigstate *ss, __sighandler_t handler, calls we retry need only wait to receive the reply message. */ args->option &= ~MACH_SEND_MSG; + /* Limit the time to receive the reply message, in case the server + claimed that `interrupt_operation' succeeded but in fact the RPC + is hung. */ + args->option |= MACH_RCV_TIMEOUT; + args->timeout = _hurd_interrupted_rpc_timeout; + state->basic.pc = (int) &&rpc_wait_trampoline; state->basic.r29 = (int) sigsp; /* $29 is the stack pointer register. */ /* After doing the message receive, the trampoline code will need to @@ -227,34 +233,3 @@ _hurd_setup_sighandler (struct hurd_sigstate *ss, __sighandler_t handler, return NULL; } - -/* STATE describes a thread that had intr_port set (meaning it was inside - HURD_EINTR_RPC), after it has been thread_abort'd. It it looks to have - just completed a mach_msg_trap system call that returned - MACH_RCV_INTERRUPTED, return nonzero and set *PORT to the receive right - being waited on. */ -int -_hurdsig_rcv_interrupted_p (struct machine_thread_all_state *state, - mach_port_t *port) -{ - const unsigned int *const pc = (void *) state->basic.pc; - - if (_hurdsig_catch_fault (SIGSEGV)) - assert (_hurdsig_fault_sigcode == (long int) pc); - else - { - if (state->basic.r2 == MACH_RCV_INTERRUPTED && - pc[-1] == 0xc) /* syscall */ - { - /* We did just return from a mach_msg_trap system call - doing a message receive that was interrupted. - Examine the parameters to find the receive right. */ - struct mach_msg_trap_args *args = (void *) &state->basic.r4; - - *port = args->rcv_name; - return 1; - } - } - - return 0; -} |