original files of m241

2026-07-30 11:19:44 +05:30
parent 170c2b3f3a
commit afc7070c1f
12254 changed files with 7655111 additions and 0 deletions
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+/* pxTraceStreamLogLibP.h - private header for POSIX trace stream log */
+
+/* Copyright 2005-2006, 2010, 2012 Wind River Systems, Inc.
+ *
+ * The right to copy, distribute, modify or otherwise make use 
+ * of this software may be licensed only pursuant to the terms 
+ * of an applicable Wind River license agreement. 
+ */ 
+
+/*
+modification history
+--------------------
+01c,24jul12,wzc  WIND00358305 - Remove building warnings.
+01b,29apr10,pad  Moved extern C statement after include statements.
+01a,02dec05,tcr  created
+*/
+
+#ifndef __INCpxTraceStreamLogLibP_h
+#define __INCpxTraceStreamLogLibP_h
+
+#include <base/b_struct_posix_trace_event_info.h>
+#include <base/b_trace_attr_t.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * These are event identifiers used in the log only. They are not specified
+ *   by POSIX and are not seen by a POSIX analyzer process
+ */
+    
+#define EVENT_POSIX_EVENTNAME   10
+#define EVENT_BSP_NAME          11
+#define EVENT_OS_VERSION        12
+#define EVENT_SIZE_INFO         13
+#define EVENT_ATTRIBUTES        14
+#define EVENT_LOG_POSITIONS     15
+#define EVENT_STATUS            16
+    
+/* typedefs */
+
+typedef struct
+    {
+    struct trace_stream *       pStream;
+    int                         fd;
+    off_t                       writeIndex;
+    off_t                       readIndex;
+    size_t                      dataSize;
+    size_t                      freeSpace;
+    SEM_ID                      ptrUpdateSem;
+
+    /* offset in file of event data region */
+    off_t                       dataStartPos;
+    
+    /* offset where we should write position data when file is closed */
+    off_t                       dataPositionPos;
+
+    /* offset in file to start of name event data */
+    off_t                       eventNameOffset;
+
+    /* offset in file at which to start reading event data */
+    off_t                       readPosition;
+    } TRACE_STREAM_LOG;
+
+/* function declarations */
+
+extern STATUS pxTraceStreamLogWrite
+    (
+    TRACE_STREAM_LOG *                    pLog,           /* log to write to */
+    const struct posix_trace_event_info * pEventInfo,     /* event info */
+    const char *                          src,            /* data payload  */
+    size_t                                payloadSize     /* data payload size */
+    );
+
+extern int pxTraceStreamLogCreate
+    (
+    int                         fd,
+    trace_attr_t *              pAttr,
+    struct trace_stream *       pStream
+    );
+
+extern int pxTraceStreamLogOpen
+    (
+    int                         fd,
+    struct trace_stream *       pStream
+    );
+
+extern int pxTraceStreamLogDelete
+    (
+    TRACE_STREAM_LOG *  pLog
+    );
+
+extern int pxTraceStreamLogFinish
+    (
+    TRACE_STREAM_LOG *          pLog
+    );
+    
+extern int pxTraceStreamLogClear
+    (
+    TRACE_STREAM_LOG *          pLog
+    );
+    
+extern int pxTraceStreamLogEventRead
+    (
+    struct trace_stream *               pStream,
+    struct posix_trace_event_info *     eventInfo,
+    void *                              data,
+    size_t                              num_bytes,
+    size_t *                            data_len,
+    int *                               unavailable
+    );
+
+extern int pxTraceStreamLogRewind
+    (
+    TRACE_STREAM_LOG *          pLog
+    );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCpxTraceStreamLogLibP_h */
+