Sat May 4 05:44:25 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>

	* hurd/hurd-raise.c (_hurd_raise_signal): Pass sigcode in msg_sig_post
	rpc.

	* hurd/hurdmsg.c (_S_msg_set_environment): Use argz.h functions
	instead of _hurd_split_args.
	(_S_msg_*_exec_flags): Functions removed.
	(_S_msg_startup_dosync): Stub removed.

Sat May  4 02:11:55 1996  Roland McGrath  <roland@delasyd.gnu.ai.mit.edu>

	* sysdeps/mach/hurd/ptrace.c: Set _hurdsig_traced instead of
	EXEC_TRACED bit in _hurd_exec_flags.
	Pass sigcode arg in msg_sig_post_untraced rpc.

	* sysdeps/mach/hurd/access.c: Don't pass io port in
	auth_user_authenticate rpc.

	* posix/sched.h: Fix typos.

	* sysdeps/mach/hurd/fork.c: Use new critical section lock.
	Clear _hurdsig_traced instead of EXEC_TRACED.

	* sysdeps/stub/nanosleep.c (nanosleep): Fix typo.

	* wcsmbs/wcstol.c: Find strtol.c in ../stdlib.
	* wcsmbs/wcstof.c: Find strtod.c in ../stdlib.
	* wcsmbs/wcstod.c: Likewise.
	* wcsmbs/wcstold.c: Likewise.

	* wcsmbs/wcwidth.h: Find cname-lookup.h in ../wctype.

	* string/envz.c (envz_entry): Use const.
	(envz_get, envz_remove): Likewise.
	(envz_entry): Return char *, not const char *.

	* string/envz.h: Fix decl.

	* string/argz-create.c: Use const in prototype.
	* string/argz-next.c: Likewise.

	* sysdeps/mach/hurd/sigprocmask.c: Pass sigcode arg to msg_sig_post.
	* sysdeps/mach/hurd/i386/sigreturn.c: Likewise.
	* sysdeps/mach/hurd/sigsuspend.c: Likewise.
	* sysdeps/mach/hurd/kill.c: Likewise.

	* hurd/hurdexec.c (_hurd_exec): Use new critical section lock.
	* hurd/catch-exc.c (_S_catch_exception_raise): Likewise.
	* hurd/sigunwind.c (_hurdsig_longjmp_from_handler): Likewise.
	* hurd/thread-cancel.c (hurd_thread_cancel, hurd_check_cancel):
	Likewise.
	* sysdeps/mach/hurd/jmp-unwind.c (_longjmp_unwind): Likewise.
	* sysdeps/mach/hurd/sigaction.c: Likewise.

	* sysdeps/mach/hurd/errnos.awk: Don't use ARGV in comment; it can
	change meaninglessly.

	* hurd/hurd/signal.h (struct hurd_sigstate): Replace critical section
 	flag with a spin lock.
	(_hurd_critical_section_lock): Use spin_try_lock on that to see if we
 	get it.  No need to take SS->lock at all.
	(_hurd_critical_section_unlock): Unlock SS->critical_section_lock
	instead of clearing the old flag member.
	* hurd/hurdsig.c (_hurd_internal_post_signal): Use spin_lock_locked to
	test the critical section state.

	* hurd/hurdinit.c (_hurd_init): Set _hurdsig_traced from the intarray.

	* hurd/hurdkill.c (_hurd_sig_post): Pass 0 sigcode in msg_sig_post.

	* hurd/hurdsig.c (_hurd_internal_post_signal): Test _hurdsig_traced
 	instead of testing (_hurd_exec_flags & EXEC_TRACED).
	(_S_msg_sig_post): Take sigcode arg and pass it through.
	(_S_msg_sig_post_untraced): Likewise.
	(reauth_proc): Don't pass proc port in auth_user_authenticate.

	* hurd/setauth.c (_hurd_setauth): Don't pass object ports in
	auth_user_authenticate RPCs, just the one-off rendezvous port.
	* hurd/dtable.c (reauth_dtable): Likewise.
	* hurd/hurdlookup.c (__hurd_file_name_lookup_retry): Likewise.

	* hurd/hurdexec.c (_hurd_exec): Pass 0 flags to file_exec.
	Pass sigcode arg to msg_sig_post.

	* string/argz.h (argz_create): Use const in prototype.

	* hurd/hurdinit.c (_hurd_proc_init): Test _hurdsig_traced instead of
	testing (_hurd_exec_flags & EXEC_TRACED).
	Pass sigcode arg to msg_sig_post.

	* hurd/hurd.h: Declare _hurdsig_traced.

	* string/argz.h (__argz_next): Cast ENTRY before returning it.

	* hurd/hurd/signal.h (_hurd_critical_section_unlock): Pass sigcode arg
	to msg_sig_post.

	* hurd/path-lookup.c: New file.
	* hurd/Makefile (routines): Add path-lookup.
	* hurd/hurd/lookup.h: Declare file_name_path_scan,
	hurd_file_name_path_lookup.
	* hurd/hurd.h: Declare file_name_path_lookup.

	* sysdeps/mach/hurd/select.c: The io_select rpc no longer has a TAG_ID
	argument.  Instead, use a separate reply port for each RPC and put them
	all in a port set to wait for slow replies.

1 files changed, 9 insertions, 9 deletions

diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index a84e7bc..b1a551d 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -564,7 +564,7 @@ _hurd_internal_post_signal (struct hurd_sigstate *ss,
     {
       /* No preemption.  Do normal handling.  */
 
-      if (!untraced && (_hurd_exec_flags & EXEC_TRACED))
+      if (!untraced && __sigismember (&_hurdsig_traced, signo))
 	{
 	  /* We are being traced.  Stop to tell the debugger of the signal.  */
 	  if (_hurd_stopped)
@@ -785,7 +785,7 @@ _hurd_internal_post_signal (struct hurd_sigstate *ss,
 	    /* The thread was in sigreturn, not in any interruptible RPC.  */
 	    wait_for_reply = 0;
 
-	    assert (! ss->critical_section);
+	    assert (! __spin_lock_locked (&ss->critical_section_lock));
 	  }
 	else
 	  {
@@ -795,7 +795,7 @@ _hurd_internal_post_signal (struct hurd_sigstate *ss,
 				      &reply)
 		 != MACH_PORT_NULL);
 
-	    if (ss->critical_section)
+	    if (__spin_lock_locked (&ss->critical_section_lock))
 	      {
 		/* The thread is in a critical section.  Mark the signal as
 		   pending.  When it finishes the critical section, it will
@@ -883,7 +883,7 @@ _hurd_internal_post_signal (struct hurd_sigstate *ss,
        thread finishes its critical section.  */
     inline int signals_pending (void)
       {
-	if (_hurd_stopped || ss->critical_section)
+	if (_hurd_stopped || __spin_lock_locked (&ss->critical_section_lock))
 	  return 0;
 	return pending = ss->pending & ~ss->blocked;
       }
@@ -1057,7 +1057,7 @@ signal_allowed (int signo, mach_port_t refport)
 kern_return_t
 _S_msg_sig_post (mach_port_t me,
 		 mach_port_t reply_port, mach_msg_type_name_t reply_port_type,
-		 int signo,
+		 int signo, natural_t sigcode,
 		 mach_port_t refport)
 {
   error_t err;
@@ -1068,7 +1068,7 @@ _S_msg_sig_post (mach_port_t me,
   /* Post the signal to the designated signal-receiving thread.  This will
      reply when the signal can be considered delivered.  */
   _hurd_internal_post_signal (_hurd_thread_sigstate (_hurd_sigthread),
-			      signo, 0, 0, reply_port, reply_port_type,
+			      signo, sigcode, 0, reply_port, reply_port_type,
 			      0); /* Stop if traced.  */
 
   return MIG_NO_REPLY;		/* Already replied.  */
@@ -1081,7 +1081,7 @@ kern_return_t
 _S_msg_sig_post_untraced (mach_port_t me,
 			  mach_port_t reply_port,
 			  mach_msg_type_name_t reply_port_type,
-			  int signo,
+			  int signo, natural_t sigcode,
 			  mach_port_t refport)
 {
   error_t err;
@@ -1092,7 +1092,7 @@ _S_msg_sig_post_untraced (mach_port_t me,
   /* Post the signal to the designated signal-receiving thread.  This will
      reply when the signal can be considered delivered.  */
   _hurd_internal_post_signal (_hurd_thread_sigstate (_hurd_sigthread),
-			      signo, 0, 0, reply_port, reply_port_type,
+			      signo, sigcode, 0, reply_port, reply_port_type,
 			      1); /* Untraced flag. */
 
   return MIG_NO_REPLY;		/* Already replied.  */
@@ -1170,7 +1170,7 @@ reauth_proc (mach_port_t new)
   if (! HURD_PORT_USE (&_hurd_ports[INIT_PORT_PROC],
 		       __proc_reauthenticate (port, ref,
 					      MACH_MSG_TYPE_MAKE_SEND) ||
-		       __auth_user_authenticate (new, port, ref,
+		       __auth_user_authenticate (new, ref,
 						 MACH_MSG_TYPE_MAKE_SEND,
 						 &ignore))
       && ignore != MACH_PORT_NULL)