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authorRoland McGrath <roland@hack.frob.com>2014-11-14 10:52:16 -0800
committerRoland McGrath <roland@hack.frob.com>2014-11-14 11:06:08 -0800
commit0781a7772ae1385fe8d7a734fdb35df81b1e6590 (patch)
tree5bd1a08fd612e0abe66455159940e22a15650fe0 /sysdeps/posix
parent5ae4fe60e68a6698afadbec00481be96096e3eb4 (diff)
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Remove sigvec.
Diffstat (limited to 'sysdeps/posix')
-rw-r--r--sysdeps/posix/sigvec.c181
1 files changed, 0 insertions, 181 deletions
diff --git a/sysdeps/posix/sigvec.c b/sysdeps/posix/sigvec.c
deleted file mode 100644
index 83ba75546f..0000000000
--- a/sysdeps/posix/sigvec.c
+++ /dev/null
@@ -1,181 +0,0 @@
-/* Copyright (C) 1991-2014 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <signal.h>
-#include <errno.h>
-#include <stddef.h>
-
-/* Include macros to convert between `sigset_t' and old-style mask. */
-#include <sigset-cvt-mask.h>
-
-#ifndef SA_RESETHAND
-/* When sigaction lacks the extension bit for it,
-   we use a wrapper handler to support SV_RESETHAND.  */
-struct sigvec_wrapper_data
-{
-  __sighandler_t sw_handler;
-  unsigned int sw_mask;
-};
-
-static void sigvec_wrapper_handler (int sig) __THROW;
-
-static struct sigvec_wrapper_data sigvec_wrapper_data[NSIG];
-#endif
-
-
-/* If VEC is non-NULL, set the handler for SIG to the `sv_handler' member
-   of VEC.  The signals in `sv_mask' will be blocked while the handler runs.
-   If the SV_RESETHAND bit is set in `sv_flags', the handler for SIG will be
-   reset to SIG_DFL before `sv_handler' is entered.  If OVEC is non-NULL,
-   it is filled in with the old information for SIG.  */
-int
-__sigvec (sig, vec, ovec)
-     int sig;
-     const struct sigvec *vec;
-     struct sigvec *ovec;
-{
-  struct sigaction old;
-
-#ifndef SA_RESETHAND
-  if (vec == NULL || !(vec->sv_flags & SV_RESETHAND))
-#endif
-    {
-      struct sigaction new, *n;
-
-      if (vec == NULL)
-	n = NULL;
-      else
-	{
-	  __sighandler_t handler;
-	  unsigned int mask;
-	  unsigned int sv_flags;
-	  unsigned int sa_flags;
-
-	  handler = vec->sv_handler;
-	  mask = vec->sv_mask;
-	  sv_flags = vec->sv_flags;
-	  sa_flags = 0;
-	  if (sv_flags & SV_ONSTACK)
-	    {
-#ifdef SA_ONSTACK
-	      sa_flags |= SA_ONSTACK;
-#else
-	      __set_errno (ENOSYS);
-	      return -1;
-#endif
-	    }
-#ifdef SA_RESTART
-	  if (!(sv_flags & SV_INTERRUPT))
-	    sa_flags |= SA_RESTART;
-#endif
-#ifdef SA_RESETHAND
-	  if (sv_flags & SV_RESETHAND)
-	    sa_flags |= SA_RESETHAND;
-#endif
-	  n = &new;
-	  new.sa_handler = handler;
-	  if (sigset_set_old_mask (&new.sa_mask, mask) < 0)
-	    return -1;
-	  new.sa_flags = sa_flags;
-	}
-
-      if (__sigaction (sig, n, &old) < 0)
-	return -1;
-    }
-#ifndef SA_RESETHAND
-  else
-    {
-      __sighandler_t handler;
-      unsigned int mask;
-      struct sigvec_wrapper_data *data;
-      struct sigaction wrapper;
-
-      handler = vec->sv_handler;
-      mask = (unsigned int)vec->sv_mask;
-      data = &sigvec_wrapper_data[sig];
-      wrapper.sa_handler = sigvec_wrapper_handler;
-      /* FIXME: should we set wrapper.sa_mask, wrapper.sa_flags??  */
-      data->sw_handler = handler;
-      data->sw_mask = mask;
-
-      if (__sigaction (sig, &wrapper, &old) < 0)
-	return -1;
-    }
-#endif
-
-  if (ovec != NULL)
-    {
-      __sighandler_t handler;
-      unsigned int sv_flags;
-      unsigned int sa_flags;
-      unsigned int mask;
-
-      handler = old.sa_handler;
-      sv_flags = 0;
-      sa_flags = old.sa_flags;
-#ifndef SA_RESETHAND
-      if (handler == sigvec_wrapper_handler)
-	{
-	  handler = sigvec_wrapper_data[sig].sw_handler;
-	  /* should we use data->sw_mask?? */
-	  sv_flags |= SV_RESETHAND;
-	}
-#else
-     if (sa_flags & SA_RESETHAND)
-	sv_flags |= SV_RESETHAND;
-#endif
-      mask = sigset_get_old_mask (&old.sa_mask);
-#ifdef SA_ONSTACK
-     if (sa_flags & SA_ONSTACK)
-	sv_flags |= SV_ONSTACK;
-#endif
-#ifdef SA_RESTART
-     if (!(sa_flags & SA_RESTART))
-#endif
-	sv_flags |= SV_INTERRUPT;
-      ovec->sv_handler = handler;
-      ovec->sv_mask = (int)mask;
-      ovec->sv_flags = (int)sv_flags;
-    }
-
-  return 0;
-}
-
-weak_alias (__sigvec, sigvec)
-
-#ifndef SA_RESETHAND
-static void
-sigvec_wrapper_handler (sig)
-     int sig;
-{
-  struct sigvec_wrapper_data *data;
-  struct sigaction act;
-  int save;
-  __sighandler_t handler;
-
-  data = &sigvec_wrapper_data[sig];
-  act.sa_handler = SIG_DFL;
-  act.sa_flags = 0;
-  sigset_set_old_mask (&act.sa_mask, data->sw_mask);
-  handler = data->sw_handler;
-  save = errno;
-  (void) __sigaction (sig, &act, (struct sigaction *) NULL);
-  __set_errno (save);
-
-  (*handler) (sig);
-}
-#endif