src/include/xbt/xbt_os_thread.h

   1 /* xbt/xbt_thread.h -- Thread portability layer                             */
   2
   3 /* Copyright (c) 2007, 2009, 2010. The SimGrid Team.
   4  * All rights reserved.                                                     */
   5
   6 /* This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the license (GNU LGPL) which comes with this package. */
   8
   9
  10 #ifndef _XBT_OS_THREAD_H
  11 #define _XBT_OS_THREAD_H
  12
  13 #include "xbt/misc.h"           /* SG_BEGIN_DECL */
  14 #include "xbt/function_types.h"
  15
  16 SG_BEGIN_DECL()
  17
  18 /** @addtogroup XBT_thread
  19  *  @brief Thread portability layer
  20  *
  21  *  This section describes the thread portability layer. It defines types and
  22  *  functions very close to the pthread API, but it's portable to windows too.
  23  *
  24  *  @{
  25  */
  26   /** \brief Thread data type (opaque structure) */
  27 typedef struct xbt_os_thread_ *xbt_os_thread_t;
  28
  29 XBT_PUBLIC(xbt_os_thread_t) xbt_os_thread_create(const char *name,
  30                                                  pvoid_f_pvoid_t
  31                                                  start_routine,
  32                                                  void *param);
  33 XBT_PUBLIC(void) xbt_os_thread_exit(int *retcode);
  34 XBT_PUBLIC(xbt_os_thread_t) xbt_os_thread_self(void);
  35 XBT_PUBLIC(const char *) xbt_os_thread_self_name(void);
  36 XBT_PUBLIC(const char *) xbt_os_thread_name(xbt_os_thread_t);
  37   /* xbt_os_thread_join frees the joined thread (ie the XBT wrapper around it, the OS frees the rest) */
  38 XBT_PUBLIC(void) xbt_os_thread_join(xbt_os_thread_t thread,
  39                                     void **thread_return);
  40 XBT_PUBLIC(void) xbt_os_thread_yield(void);
  41 XBT_PUBLIC(void) xbt_os_thread_cancel(xbt_os_thread_t thread);
  42 XBT_PUBLIC(void *) xbt_os_thread_getparam(void);
  43
  44
  45   /** \brief Thread mutex data type (opaque structure) */
  46 typedef struct xbt_os_mutex_ *xbt_os_mutex_t;
  47
  48 XBT_PUBLIC(xbt_os_mutex_t) xbt_os_mutex_init(void);
  49 XBT_PUBLIC(void) xbt_os_mutex_acquire(xbt_os_mutex_t mutex);
  50 XBT_PUBLIC(void) xbt_os_mutex_timedacquire(xbt_os_mutex_t mutex,
  51                                            double delay);
  52 XBT_PUBLIC(void) xbt_os_mutex_release(xbt_os_mutex_t mutex);
  53 XBT_PUBLIC(void) xbt_os_mutex_destroy(xbt_os_mutex_t mutex);
  54
  55
  56   /** \brief Thread condition data type (opaque structure) */
  57 typedef struct xbt_os_cond_ *xbt_os_cond_t;
  58
  59 XBT_PUBLIC(xbt_os_cond_t) xbt_os_cond_init(void);
  60 XBT_PUBLIC(void) xbt_os_cond_wait(xbt_os_cond_t cond,
  61                                   xbt_os_mutex_t mutex);
  62 XBT_PUBLIC(void) xbt_os_cond_timedwait(xbt_os_cond_t cond,
  63                                        xbt_os_mutex_t mutex, double delay);
  64 XBT_PUBLIC(void) xbt_os_cond_signal(xbt_os_cond_t cond);
  65 XBT_PUBLIC(void) xbt_os_cond_broadcast(xbt_os_cond_t cond);
  66 XBT_PUBLIC(void) xbt_os_cond_destroy(xbt_os_cond_t cond);
  67
  68    /** \brief Semaphore data type (opaque structure) */
  69 typedef struct xbt_os_sem_ *xbt_os_sem_t;
  70
  71 XBT_PUBLIC(xbt_os_sem_t) xbt_os_sem_init(unsigned int value);
  72 XBT_PUBLIC(void) xbt_os_sem_acquire(xbt_os_sem_t sem);
  73 XBT_PUBLIC(void) xbt_os_sem_timedacquire(xbt_os_sem_t sem, double timeout);
  74 XBT_PUBLIC(void) xbt_os_sem_release(xbt_os_sem_t sem);
  75 XBT_PUBLIC(void) xbt_os_sem_destroy(xbt_os_sem_t sem);
  76 XBT_PUBLIC(void) xbt_os_sem_get_value(xbt_os_sem_t sem, int *svalue);
  77
  78
  79 /** @} */
  80
  81 SG_END_DECL()
  82 #endif                          /* _XBT_OS_THREAD_H */