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authorRoland McGrath <roland@gnu.org>2001-06-16 04:47:37 +0000
committerRoland McGrath <roland@gnu.org>2001-06-16 04:47:37 +0000
commit5ec73bb91f231a0d7a3c54183a9282cafd5511cb (patch)
tree42da8a5cc86f92fa1331117501a336064a19ba7f /rt/aio_notify.c
parent636ccfc8fb4c9bd450fa5b7982771912a602d2b0 (diff)
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2001-06-15 Roland McGrath <roland@frob.com>
	* rt/Makefile (aio-routines, clock-routines, timer-routines): New
	variables, broken out of librt-routines.
	(librt-routines): Set using those.
	(extra-libs, extra-libc-others, tests): Set these unconditionally.
	(distribute): No need for $(librt-map) or $(librt-routines:=.c) here.
	* sysdeps/generic/aio_fsync.c: New file.
	* sysdeps/generic/aio_misc.c: New file.
	* sysdeps/generic/aio_write.c: New file.
	* sysdeps/generic/aio_write64.c: New file.
	* sysdeps/generic/aio_read64.c: New file.
	* sysdeps/generic/aio_read.c: New file.
	* sysdeps/generic/aio_notify.c: New file.
	* sysdeps/generic/lio_listio64.c: New file.
	* sysdeps/generic/lio_listio.c: New file.
	* sysdeps/generic/aio_cancel.c: New file.
	* sysdeps/generic/aio_misc.h: New file.
	* sysdeps/generic/aio_suspend.c: New file.
	* rt/aio_cancel.c: Moved to ...
	* sysdeps/pthread/aio_cancel.c: ... here.
	* rt/aio_fsync.c: Moved to ...
	* sysdeps/pthread/aio_fsync.c: ... here.
	* rt/aio_misc.c: Moved to ...
	* sysdeps/pthread/aio_misc.c: ... here.
	* rt/aio_misc.h: Moved to ...
	* sysdeps/pthread/aio_misc.h: ... here.
	* rt/aio_notify.c: Moved to ...
	* sysdeps/pthread/aio_notify.c: ... here.
	* rt/aio_read.c: Moved to ...
	* sysdeps/pthread/aio_read.c: ... here.
	* rt/aio_read64.c: Moved to ...
	* sysdeps/pthread/aio_read64.c: ... here.
	* rt/aio_suspend.c: Moved to ...
	* sysdeps/pthread/aio_suspend.c: ... here.
	* rt/aio_write.c: Moved to ...
	* sysdeps/pthread/aio_write.c: ... here.
	* rt/aio_write64.c: Moved to ...
	* sysdeps/pthread/aio_write64.c: ... here.
	* rt/lio_listio.c: Moved to ...
	* sysdeps/pthread/lio_listio.c: ... here.
	* rt/lio_listio64.c: Moved to ...
	* sysdeps/pthread/lio_listio64.c: ... here.
Diffstat (limited to 'rt/aio_notify.c')
-rw-r--r--rt/aio_notify.c119
1 files changed, 0 insertions, 119 deletions
diff --git a/rt/aio_notify.c b/rt/aio_notify.c
deleted file mode 100644
index 9b17750d03..0000000000
--- a/rt/aio_notify.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/* Notify initiator of AIO request.
-   Copyright (C) 1997,98,99,2000,01 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include <errno.h>
-#include <pthread.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include "aio_misc.h"
-
-
-static void *
-notify_func_wrapper (void *arg)
-{
-  struct sigevent *sigev = arg;
-  sigev->sigev_notify_function (sigev->sigev_value);
-  return NULL;
-}
-
-
-int
-internal_function
-__aio_notify_only (struct sigevent *sigev, pid_t caller_pid)
-{
-  int result = 0;
-
-  /* Send the signal to notify about finished processing of the request.  */
-  if (sigev->sigev_notify == SIGEV_THREAD)
-    {
-      /* We have to start a thread.  */
-      pthread_t tid;
-      pthread_attr_t attr, *pattr;
-
-      pattr = (pthread_attr_t *) sigev->sigev_notify_attributes;
-      if (pattr == NULL)
-	{
-	  pthread_attr_init (&attr);
-	  pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
-	  pattr = &attr;
-	}
-
-      if (pthread_create (&tid, pattr, notify_func_wrapper, sigev) < 0)
-	result = -1;
-    }
-  else if (sigev->sigev_notify == SIGEV_SIGNAL)
-    {
-      /* We have to send a signal.  */
-#if _POSIX_REALTIME_SIGNALS
-      /* Note that the standard gives us the option of using a plain
-	 non-queuing signal here when SA_SIGINFO is not set for the signal.  */
-      if (__aio_sigqueue (sigev->sigev_signo, sigev->sigev_value, caller_pid)
-	  < 0)
-	result = -1;
-#else
-      /* There are no queued signals on this system at all.  */
-      result = raise (sigev->sigev_signo);
-#endif
-    }
-
-  return result;
-}
-
-
-void
-internal_function
-__aio_notify (struct requestlist *req)
-{
-  struct waitlist *waitlist;
-  struct aiocb *aiocbp = &req->aiocbp->aiocb;
-
-  if (__aio_notify_only (&aiocbp->aio_sigevent, req->caller_pid) != 0)
-    {
-      /* XXX What shall we do if already an error is set by
-	 read/write/fsync?  */
-      aiocbp->__error_code = errno;
-      aiocbp->__return_value = -1;
-    }
-
-  /* Now also notify possibly waiting threads.  */
-  waitlist = req->waiting;
-  while (waitlist != NULL)
-    {
-      struct waitlist *next = waitlist->next;
-
-      /* Decrement the counter.  This is used in both cases.  */
-      --*waitlist->counterp;
-
-      if (waitlist->sigevp == NULL)
-	pthread_cond_signal (waitlist->cond);
-      else
-	/* This is part of a asynchronous `lio_listio' operation.  If
-	   this request is the last one, send the signal.  */
-	if (*waitlist->counterp == 0)
-	  {
-	    __aio_notify_only (waitlist->sigevp, waitlist->caller_pid);
-	    /* This is tricky.  See lio_listio.c for the reason why
-	       this works.  */
-	    free ((void *) waitlist->counterp);
-	  }
-
-      waitlist = next;
-    }
-}