Port Windows code to NPTH.

* agent/gpg-agent.c (get_agent_ssh_socket_name): Use
INVALID_HANDLE_VALUE instead of 0.
(handle_signal) [!HAVE_W32_SYSTEM]: Don't define.
(handle_connections): Port Windows code to NPTH.
* dirmngr/dirmngr.c (handle_connections): Port Windows code to NPTH.
* g13/g13.c (handle_connections): Port Windows code to NPTH.
* scd/scdaemon.c (handle_connections): Port Windows code to NPTH.

agent/gpg-agent.c

@@ -1391,9 +1391,9 @@ get_agent_ssh_socket_name (void)
 void *
 get_agent_scd_notify_event (void)
 {
-  static HANDLE the_event;
+  static HANDLE the_event = INVALID_HANDLE_VALUE;
 
-  if (!the_event)
+  if (the_event == INVALID_HANDLE_VALUE)
     {
       HANDLE h, h2;
       SECURITY_ATTRIBUTES sa = { sizeof (SECURITY_ATTRIBUTES), NULL, TRUE};
@@ -1717,6 +1717,7 @@ agent_sigusr2_action (void)
 }
 
 
+#ifndef HAVE_W32_SYSTEM
 /* The signal handler for this program.  It is expected to be run in
    its own trhead and not in the context of a signal handler.  */
 static void
@@ -1769,7 +1770,7 @@ handle_signal (int signo)
       log_info ("signal %d received - no action defined\n", signo);
     }
 }
-
+#endif
 
 /* Check the nonce on a new connection.  This is a NOP unless we we
    are using our Unix domain socket emulation under Windows.  */
@@ -1849,7 +1850,6 @@ static void
 handle_connections (gnupg_fd_t listen_fd, gnupg_fd_t listen_fd_ssh)
 {
   npth_attr_t tattr;
-  int signo;
   struct sockaddr_un paddr;
   socklen_t plen;
   fd_set fdset, read_fdset;
@@ -1860,6 +1860,10 @@ handle_connections (gnupg_fd_t listen_fd, gnupg_fd_t listen_fd_ssh)
   struct timespec abstime;
   struct timespec curtime;
   struct timespec timeout;
+#ifdef HAVE_W32_SYSTEM
+  HANDLE events[2];
+  int events_set;
+#endif
 
   ret = npth_attr_init(&tattr);
   /* FIXME: Check error.  */
@@ -1879,9 +1883,8 @@ handle_connections (gnupg_fd_t listen_fd, gnupg_fd_t listen_fd_ssh)
   sigs = 0;
   ev = pth_event (PTH_EVENT_SIGS, &sigs, &signo);
 # else
-  sigs = 0;
+  events[0] = get_agent_scd_notify_event ();
-  ev = pth_event (PTH_EVENT_HANDLE, get_agent_scd_notify_event ());
+  events[1] = INVALID_HANDLE_VALUE;
-  signo = 0;
 # endif
 #endif
 
@@ -1929,16 +1932,19 @@ handle_connections (gnupg_fd_t listen_fd, gnupg_fd_t listen_fd_ssh)
 	}
       npth_timersub (&abstime, &curtime, &timeout);
 
+#ifndef HAVE_W32_SYSTEM
       ret = npth_pselect (nfd+1, &read_fdset, NULL, NULL, &timeout, npth_sigev_sigmask());
       saved_errno = errno;
 
-#ifndef HAVE_W32_SYSTEM
       while (npth_sigev_get_pending(&signo))
 	handle_signal (signo);
-#endif
+#else
+      events_set = 0;
+      ret = npth_eselect (nfd+1, &read_fdset, NULL, NULL, &timeout, events, &events_set);
+      saved_errno = errno;
 
-#if defined(HAVE_W32_SYSTEM) && defined(PTH_EVENT_HANDLE)
+      /* This is valid even if npth_eselect returns an error.  */
-      if (pth_event_occurred (ev))
+      if (events_set & 1)
 	agent_sigusr2_action ();
 #endif
 
@@ -2023,7 +2029,7 @@ handle_connections (gnupg_fd_t listen_fd, gnupg_fd_t listen_fd_ssh)
             }
           else
             {
-	      pthread_t thread;
+	      npth_t thread;
 
               agent_init_default_ctrl (ctrl);
               ctrl->thread_startup.fd = fd;

dirmngr/dirmngr.c

@@ -1749,9 +1749,6 @@ handle_connections (assuan_fd_t listen_fd)
   npth_sigev_add (SIGINT);
   npth_sigev_add (SIGTERM);
   npth_sigev_fini ();
-#else
-  /* Use a dummy event.  */
-  sigs = 0;
 #endif
 
   /* Setup the fdset.  It has only one member.  This is because we use
@@ -1791,12 +1788,15 @@ handle_connections (assuan_fd_t listen_fd)
 	}
       npth_timersub (&abstime, &curtime, &timeout);
 
+#ifndef HAVE_W32_SYSTEM
       ret = npth_pselect (nfd+1, &read_fdset, NULL, NULL, &timeout, npth_sigev_sigmask());
       saved_errno = errno;
 
-#ifndef HAVE_W32_SYSTEM
       while (npth_sigev_get_pending(&signo))
 	handle_signal (signo);
+#else
+      ret = npth_eselect (nfd+1, &read_fdset, NULL, NULL, &timeout, NULL, NULL);
+      saved_errno = errno;
 #endif
 
       if (ret == -1 && saved_errno != EINTR)

g13/g13.c

@@ -854,8 +854,6 @@ idle_task (void *dummy_arg)
   npth_sigev_add (SIGINT);
   npth_sigev_add (SIGTERM);
   npth_sigev_fini ();
-#else
-  sigs = 0;
 #endif
 
   npth_clock_gettime (&abstime);
@@ -882,12 +880,15 @@ idle_task (void *dummy_arg)
 	}
       npth_timersub (&abstime, &curtime, &timeout);
 
+#ifndef HAVE_W32_SYSTEM
       ret = npth_pselect (0, NULL, NULL, NULL, &timeout, npth_sigev_sigmask());
       saved_errno = errno;
 
-#ifndef HAVE_W32_SYSTEM
       while (npth_sigev_get_pending(&signo))
 	handle_signal (signo);
+#else
+      ret = npth_eselect (0, NULL, NULL, NULL, &timeout, NULL, NULL);
+      saved_errno = errno;
 #endif
 
       if (ret == -1 && saved_errno != EINTR)
@@ -920,6 +921,7 @@ start_idle_task (void)
   sigset_t sigs;       /* The set of signals we want to catch.  */
   int err;
 
+#ifndef HAVE_W32_SYSTEM
   /* These signals should always go to the idle task, so they need to
      be blocked everywhere else.  We assume start_idle_task is called
      from the main thread before any other threads are created.  */
@@ -930,6 +932,7 @@ start_idle_task (void)
   sigaddset (&sigs, SIGINT);
   sigaddset (&sigs, SIGTERM);
   npth_sigmask (SIG_BLOCK, &sigs, NULL);
+#endif
 
   npth_attr_init (&tattr);
   npth_attr_setdetachstate (&tattr, NPTH_CREATE_JOINABLE);

scd/scdaemon.c

@@ -1185,9 +1185,6 @@ handle_connections (int listen_fd)
   npth_sigev_add (SIGINT);
   npth_sigev_add (SIGTERM);
   npth_sigev_fini ();
-#else
-  sigs = 0;
-  ev = pth_event (PTH_EVENT_SIGS, &sigs, &signo);
 #endif
 
   FD_ZERO (&fdset);
@@ -1234,17 +1231,20 @@ handle_connections (int listen_fd)
          thus a simple assignment is fine to copy the entire set.  */
       read_fdset = fdset;
 
+#ifndef HAVE_W32_SYSTEM
       ret = npth_pselect (nfd+1, &read_fdset, NULL, NULL, &timeout, npth_sigev_sigmask());
       saved_errno = errno;
 
-#ifndef HAVE_W32_SYSTEM
       while (npth_sigev_get_pending(&signo))
 	handle_signal (signo);
+#else
+      ret = npth_eselect (nfd+1, &read_fdset, NULL, NULL, &timeout, NULL, NULL);
+      saved_errno = errno;
 #endif
 
       if (ret == -1 && saved_errno != EINTR)
 	{
-          log_error (_("pth_pselect failed: %s - waiting 1s\n"),
+          log_error (_("npth_pselect failed: %s - waiting 1s\n"),
                      strerror (saved_errno));
           npth_sleep (1);
 	  continue;