--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/g23m/condat/com/src/comlib/cl_shrd.c	Mon Jun 01 03:24:05 2015 +0000
@@ -0,0 +1,262 @@
+/*
++-----------------------------------------------------------------------------
+|  Project :  COMLIB
+|  Modul   :  cl_shrd.c
++-----------------------------------------------------------------------------
+|  Copyright 2002 Texas Instruments Berlin, AG
+|                 All rights reserved.
+|
+|                 This file is confidential and a trade secret of Texas
+|                 Instruments Berlin, AG
+|                 The receipt of or possession of this file does not convey
+|                 any rights to reproduce or disclose its contents or to
+|                 manufacture, use, or sell anything it may describe, in
+|                 whole, or in part, without the specific written consent of
+|                 Texas Instruments Berlin, AG.
++-----------------------------------------------------------------------------
+|  Purpose :  Definitions of common library functions: Implementation of
+              creation of Semaphores and usage of it by any entity in 
+              PS
++-----------------------------------------------------------------------------
+*/
+/*
+ *  Version 1.0
+ */
+
+/**********************************************************************************/
+
+/*
+NOTE:
+*/
+
+/**********************************************************************************/
+#ifndef CL_SHRD_C
+#define CL_SHRD_C
+/*==== INCLUDES ===================================================*/
+
+#include <string.h>
+#include <stdio.h>
+#include "typedefs.h"
+#include "vsi.h"
+#include "cl_shrd.h"
+
+/*==== VARIABLES ==================================================*/
+
+static T_HANDLE cl_handle;
+
+#ifdef OPTION_MULTITHREAD
+#define VSI_CALLER cl_handle,
+#else
+#define VSI_CALLER
+#endif
+
+/* Pointer is used for faster memory access */
+static T_SHRD_DATA shrd_data_base;
+T_SHRD_DATA *shared_data = &shrd_data_base;
+
+static T_HANDLE  sem_SHARED = VSI_ERROR;
+static BOOL is_initialized = FALSE;
+
+/*==== FUNCTIONS ==================================================*/
+
+/*
++---------------------------------------------------------------------------------
+|  Function     : cl_shrd_init 
++---------------------------------------------------------------------------------
+|  Description  : Opens counting semaphore specified by its name. 
+|                 If semaphore doesnot exists, creates semaphore with count given.
+|
+|  Parameters   :  T_HANDLE
+|
+|  Return       :  void
+|
++---------------------------------------------------------------------------------
+*/
+GLOBAL void cl_shrd_init (T_HANDLE handle)
+{
+  TRACE_FUNCTION ("cl_shrd_init()");
+
+  if(is_initialized NEQ TRUE)
+  {
+    cl_handle = handle;
+
+    memset(shared_data, 0, sizeof(T_SHRD_DATA));
+    sem_SHARED  = vsi_s_open (VSI_CALLER "SHARED_SEM",1);
+
+    if (sem_SHARED NEQ VSI_ERROR)
+    {
+      TRACE_EVENT ("Semaphore opened successfully \"SHARED_SEM\"");
+      is_initialized = TRUE;
+    }
+    else
+      TRACE_EVENT ("Cant open semaphore \"SHARED_SEM\"");
+  }
+}
+
+/*
++------------------------------------------------------------------------------
+|  Function     : cl_shrd_exit
++------------------------------------------------------------------------------
+|  Description  :  Close the semaphore.
+|
+|  Parameters   :  void
+|
+|  Return       :  void
+|
++------------------------------------------------------------------------------
+*/
+
+GLOBAL void cl_shrd_exit (void)
+{
+  TRACE_FUNCTION ("cl_shrd_exit()");
+  if(is_initialized EQ TRUE)
+  {
+    if (sem_SHARED NEQ VSI_ERROR)
+      vsi_s_close (VSI_CALLER sem_SHARED);
+  
+    memset(shared_data, 0, sizeof(T_SHRD_DATA));
+    is_initialized = FALSE;
+  }
+}
+
+/*
++------------------------------------------------------------------------------
+|  Function     : cl_shrd_get_loc
++------------------------------------------------------------------------------
+|  Description  : Copies the content from global T_LOC_INFO to the 
+|                 passed parameter 
+|
+|  Parameters   : <loc_info>:  Location information
+|
+|  Return       : void
+|
++------------------------------------------------------------------------------
+*/
+
+GLOBAL BOOL cl_shrd_get_loc (T_LOC_INFO *loc_info)
+{
+  BOOL ret = FALSE;
+  TRACE_FUNCTION ("cl_shrd_get_loc()");
+
+  if (sem_SHARED NEQ VSI_ERROR)
+  {
+    if (vsi_s_get (VSI_CALLER sem_SHARED) EQ VSI_OK)
+    {
+      if ( loc_info NEQ NULL )
+        memcpy(loc_info, &shared_data->location_info, sizeof(T_LOC_INFO));
+      vsi_s_release (VSI_CALLER sem_SHARED);
+      ret = TRUE;
+    }
+    else
+    {
+      TRACE_EVENT ("Semaphore not free or Invalid handle \"sem_SHARED\"");
+      return(ret);
+    }
+  }
+  return(ret);
+}
+
+/*
++------------------------------------------------------------------------------
+|  Function     : cl_shrd_set_loc
++------------------------------------------------------------------------------
+|  Description  : Copies the content from passed parameter to the 
+|                 global structure 
+|
+|  Parameters   : <loc_info>:  Location information
+|
+|  Return       : void
+|
++------------------------------------------------------------------------------
+*/
+
+GLOBAL void cl_shrd_set_loc (T_LOC_INFO *loc_info)
+{
+  TRACE_FUNCTION ("cl_shrd_set_loc()");
+
+  if (sem_SHARED NEQ VSI_ERROR)
+  {
+    if (vsi_s_get (VSI_CALLER sem_SHARED) EQ VSI_OK)
+    {
+      if ( loc_info NEQ NULL )
+        memcpy(&shared_data->location_info, loc_info, sizeof(T_LOC_INFO));
+      vsi_s_release (VSI_CALLER sem_SHARED);
+    }
+    else
+    {
+      TRACE_EVENT ("Semaphore not free or Invalid handle \"sem_SHARED\"");
+    }
+  }
+}
+
+/*
++------------------------------------------------------------------------------
+|  Function     : cl_shrd_get_tim_adv
++------------------------------------------------------------------------------
+|  Description  : Copies the content from global T_TIM_ADV to the 
+|                 passed parameter 
+|
+|  Parameters   : <tim_adv>:  Timing Advance and ME status.
+|
+|  Return       : void
+|
++------------------------------------------------------------------------------
+*/
+
+GLOBAL BOOL cl_shrd_get_tim_adv (T_TIM_ADV *tim_adv)
+{
+  BOOL ret = FALSE;
+  TRACE_FUNCTION ("cl_shrd_get_tim_adv()");
+
+  if (sem_SHARED NEQ VSI_ERROR)
+  {
+    if (vsi_s_get (VSI_CALLER sem_SHARED) EQ VSI_OK)
+    {
+      if ( tim_adv NEQ NULL )
+        memcpy(tim_adv, &shared_data->timing_advance, sizeof(T_TIM_ADV));
+      vsi_s_release (VSI_CALLER sem_SHARED);
+      ret = TRUE;
+    }
+    else
+    {
+      TRACE_EVENT ("Semaphore not free or Invalid handle \"sem_SHARED\"");
+      return(ret);
+    }
+  }
+  return(ret);
+}
+
+/*
++------------------------------------------------------------------------------
+|  Function     : cl_shrd_set_tim_adv
++------------------------------------------------------------------------------
+|  Description  : Copies the content from passed parameter to the 
+|                 global structure 
+|
+|  Parameters   : <tim_adv>:  Timing Advance and ME status.
+|
+|  Return       : void
+|
++------------------------------------------------------------------------------
+*/
+
+GLOBAL void cl_shrd_set_tim_adv (T_TIM_ADV *tim_adv)
+{
+  TRACE_FUNCTION ("cl_shrd_set_tim_adv()");
+
+  if (sem_SHARED NEQ VSI_ERROR)
+  {
+    if (vsi_s_get (VSI_CALLER sem_SHARED) EQ VSI_OK)
+    {
+      if ( tim_adv NEQ NULL )
+        memcpy(&shared_data->timing_advance, tim_adv, sizeof(T_TIM_ADV));
+      vsi_s_release (VSI_CALLER sem_SHARED);
+    }
+    else
+    {
+      TRACE_EVENT ("Semaphore not free or Invalid handle \"sem_SHARED\"");
+    }
+  }
+}
+
+#endif   /* CL_SHRD_C */
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