summary refs log tree commit diff
path: root/linuxthreads/sysdeps/pthread/posix-timer.h
diff options
context:
space:
mode:
Diffstat (limited to 'linuxthreads/sysdeps/pthread/posix-timer.h')
-rw-r--r--linuxthreads/sysdeps/pthread/posix-timer.h204
1 files changed, 0 insertions, 204 deletions
diff --git a/linuxthreads/sysdeps/pthread/posix-timer.h b/linuxthreads/sysdeps/pthread/posix-timer.h
deleted file mode 100644
index 1b0a2b65e4..0000000000
--- a/linuxthreads/sysdeps/pthread/posix-timer.h
+++ /dev/null
@@ -1,204 +0,0 @@
-/* Definitions for POSIX timer implementation on top of LinuxThreads.
-   Copyright (C) 2000, 2002, 2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Kaz Kylheku <kaz@ashi.footprints.net>.
-
-   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; 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 <limits.h>
-#include <signal.h>
-
-/* Double linked list.  */
-struct list_links
-{
-  struct list_links *next;
-  struct list_links *prev;
-};
-
-
-/* Forward declaration.  */
-struct timer_node;
-
-
-/* Definitions for an internal thread of the POSIX timer implementation.  */
-struct thread_node
-{
-  struct list_links links;
-  pthread_attr_t attr;
-  pthread_t id;
-  unsigned int exists;
-  struct list_links timer_queue;
-  pthread_cond_t cond;
-  struct timer_node *current_timer;
-  pthread_t captured;
-  clockid_t clock_id;
-};
-
-
-/* Internal representation of a timer.  */
-struct timer_node
-{
-  struct list_links links;
-  struct sigevent event;
-  clockid_t clock;
-  struct itimerspec value;
-  struct timespec expirytime;
-  pthread_attr_t attr;
-  unsigned int abstime;
-  unsigned int armed;
-  enum {
-    TIMER_FREE, TIMER_INUSE, TIMER_DELETED
-  } inuse;
-  struct thread_node *thread;
-  pid_t creator_pid;
-  int refcount;
-  int overrun_count;
-};
-
-
-/* Static array with the structures for all the timers.  */
-extern struct timer_node __timer_array[TIMER_MAX];
-
-/* Global lock to protect operation on the lists.  */
-extern pthread_mutex_t __timer_mutex;
-
-/* Variable to protext initialization.  */
-extern pthread_once_t __timer_init_once_control;
-
-/* Nonzero if initialization of timer implementation failed.  */
-extern int __timer_init_failed;
-
-/* Nodes for the threads used to deliver signals.  */
-/* A distinct thread is used for each clock type.  */
-
-extern struct thread_node __timer_signal_thread_rclk;
-
-
-/* Return pointer to timer structure corresponding to ID.  */
-static inline struct timer_node *
-timer_id2ptr (timer_t timerid)
-{
-  if (timerid >= 0 && timerid < TIMER_MAX)
-    return &__timer_array[timerid];
-
-  return NULL;
-}
-
-/* Return ID of TIMER.  */
-static inline int
-timer_ptr2id (struct timer_node *timer)
-{
-  return timer - __timer_array;
-}
-
-/* Check whether timer is valid; global mutex must be held. */
-static inline int
-timer_valid (struct timer_node *timer)
-{
-  return timer && timer->inuse == TIMER_INUSE;
-}
-
-/* Timer refcount functions; need global mutex. */
-extern void __timer_dealloc (struct timer_node *timer);
-
-static inline void
-timer_addref (struct timer_node *timer)
-{
-  timer->refcount++;
-}
-
-static inline void
-timer_delref (struct timer_node *timer)
-{
-  if (--timer->refcount == 0)
-    __timer_dealloc (timer);
-}
-
-/* Timespec helper routines.  */
-static inline int
-timespec_compare (const struct timespec *left, const struct timespec *right)
-{
-  if (left->tv_sec < right->tv_sec)
-    return -1;
-  if (left->tv_sec > right->tv_sec)
-    return 1;
-
-  if (left->tv_nsec < right->tv_nsec)
-    return -1;
-  if (left->tv_nsec > right->tv_nsec)
-    return 1;
-
-  return 0;
-}
-
-static inline void
-timespec_add (struct timespec *sum, const struct timespec *left,
-	      const struct timespec *right)
-{
-  sum->tv_sec = left->tv_sec + right->tv_sec;
-  sum->tv_nsec = left->tv_nsec + right->tv_nsec;
-
-  if (sum->tv_nsec >= 1000000000)
-    {
-      ++sum->tv_sec;
-      sum->tv_nsec -= 1000000000;
-    }
-}
-
-static inline void
-timespec_sub (struct timespec *diff, const struct timespec *left,
-	      const struct timespec *right)
-{
-  diff->tv_sec = left->tv_sec - right->tv_sec;
-  diff->tv_nsec = left->tv_nsec - right->tv_nsec;
-
-  if (diff->tv_nsec < 0)
-    {
-      --diff->tv_sec;
-      diff->tv_nsec += 1000000000;
-    }
-}
-
-
-/* We need one of the list functions in the other modules.  */
-static inline void
-list_unlink_ip (struct list_links *list)
-{
-  struct list_links *lnext = list->next, *lprev = list->prev;
-
-  lnext->prev = lprev;
-  lprev->next = lnext;
-
-  /* The suffix ip means idempotent; list_unlink_ip can be called
-   * two or more times on the same node.
-   */
-
-  list->next = list;
-  list->prev = list;
-}
-
-
-/* Functions in the helper file.  */
-extern void __timer_mutex_cancel_handler (void *arg);
-extern void __timer_init_once (void);
-extern struct timer_node *__timer_alloc (void);
-extern int __timer_thread_start (struct thread_node *thread);
-extern struct thread_node *__timer_thread_find_matching (const pthread_attr_t *desired_attr, clockid_t);
-extern struct thread_node *__timer_thread_alloc (const pthread_attr_t *desired_attr, clockid_t);
-extern void __timer_thread_dealloc (struct thread_node *thread);
-extern int __timer_thread_queue_timer (struct thread_node *thread,
-				       struct timer_node *insert);
-extern void __timer_thread_wakeup (struct thread_node *thread);