add doxygen comments for osiProcess.h

modules/libcom/src/osi/osiProcess.h

@@ -11,11 +11,13 @@
 #ifndef INC_osiProcess_H
 #define INC_osiProcess_H
 
+/**
+ * \file osiProcess.h
+ *
+ * \brief Operating System Independent Interface to Process Environment
+ */
 /*
- * Operating System Independent Interface to Process Environment
- *
  * Author: Jeff Hill
- *
  */
 #include "libComAPI.h"
 
@@ -23,21 +25,42 @@
 extern "C" {
 #endif
 
+
+/** Return code for osiGetUserName() */
 typedef enum osiGetUserNameReturn {
-                osiGetUserNameFail,
-                osiGetUserNameSuccess} osiGetUserNameReturn;
+    osiGetUserNameFail, /**< Failed*/
+    osiGetUserNameSuccess /**< Succeeded*/
+} osiGetUserNameReturn;
+
+/** \brief get user name
+ *
+ * Get the name of the user associated with the current process
+ * and copy the name into the provided buffer
+ *
+ * \param pBuf buffer where user name is copied into
+ * \param bufSize size of input buffer. 
+ *
+ * \return return failed if unable to get user name or user name is too large
+ * to fit in buffer.  Otherwise return success
+ */    
 LIBCOM_API osiGetUserNameReturn epicsStdCall osiGetUserName (char *pBuf, unsigned bufSize);
 
-/*
- * Spawn detached process with named executable, but return
- * osiSpawnDetachedProcessNoSupport if the local OS does not
- * support heavy weight processes.
- */
+ /** Return code for osiSpawnDetachedProcess() */
 typedef enum osiSpawnDetachedProcessReturn {
-                osiSpawnDetachedProcessFail,
-                osiSpawnDetachedProcessSuccess,
-                osiSpawnDetachedProcessNoSupport} osiSpawnDetachedProcessReturn;
+    osiSpawnDetachedProcessFail, /**< Failed*/
+    osiSpawnDetachedProcessSuccess, /**< Succeeded */
+    osiSpawnDetachedProcessNoSupport /**< Not supported by OS*/
+} osiSpawnDetachedProcessReturn;
 
+ /** \brief Spawn detached process
+  *
+  * Spawn detached process with named executable.
+  * 
+  * \param pProcessName  process name to be displayed. Not used in all OSs
+  * \param pBaseExecutableName path to executable
+  *
+  * \return return code indicating success or failure
+  */
 LIBCOM_API osiSpawnDetachedProcessReturn epicsStdCall osiSpawnDetachedProcess 
     (const char *pProcessName, const char *pBaseExecutableName);