NAME

       ost::SysTime - This class is used to access non-reentrant date and time functions in the
       standard C library.

SYNOPSIS

       #include <thread.h>

   Static Public Member Functions
       static time_t getTime (time_t *tloc=NULL)
       static time_t time (time_t *tloc)
       static int getTimeOfDay (struct timeval *tp)
       static int gettimeofday (struct timeval *tp, struct timezone *)
       static struct tm * getLocalTime (const time_t *clock, struct tm *result)
       static struct tm * locatime (const time_t *clock, struct tm *result)
       static struct tm * getGMTTime (const time_t *clock, struct tm *result)
       static struct tm * gmtime (const time_t *clock, struct tm *result)

   Static Protected Member Functions
       static void lock (void)
       static void unlock (void)

Detailed Description

       This class is used to access non-reentrant date and time functions in the standard C
       library.

       The class has two purposes:

       • 1 To be used internaly in CommonCpp's date and time classes to make them thread safe.

       • 2 To be used by clients as thread safe replacements to the standard C functions, much
         like Thread::sleep() represents a thread safe version of the standard sleep() function.

       Note
           The class provides one function with the same name as its equivalent standard function
           and one with another, unique name. For new clients, the version with the unique name
           is recommended to make it easy to grep for accidental usage of the standard functions.
           The version with the standard name is provided for existing clients to sed replace
           their original version.

           Also note that some functions that returned pointers have been redone to take that
           pointer as an argument instead, making the caller responsible for memory
           allocation/deallocation. This is almost how POSIX specifies *_r functions (reentrant
           versions of the standard time functions), except the POSIX functions also return the
           given pointer while we do not. We don't use the *_r functions as they aren't all
           generally available on all platforms yet.

       Author
           Idar Tollefsen idar@cognita.no

       Thread safe date and time functions.

Member Function Documentation

   static struct tm* ost::SysTime::getGMTTime (const time_t * clock, struct tm * result) [static]
       Referenced by ost::gmtime_r().

   static struct tm* ost::SysTime::getLocalTime (const time_t * clock, struct tm * result)
       [static]
       Referenced by ost::localtime_r().

   static time_t ost::SysTime::getTime (time_t * tloc = NULL) [static]
   static int ost::SysTime::getTimeOfDay (struct timeval * tp) [static]
   static int ost::SysTime::gettimeofday (struct timeval * tp, struct timezone *) [inline],
       [static]
   static struct tm* ost::SysTime::gmtime (const time_t * clock, struct tm * result) [inline],
       [static]
   static struct tm* ost::SysTime::locatime (const time_t * clock, struct tm * result) [inline],
       [static]
   static void ost::SysTime::lock (void) [inline],  [static],  [protected]
       References ost::Mutex::enterMutex().

   static time_t ost::SysTime::time (time_t * tloc) [inline],  [static]
   static void ost::SysTime::unlock (void) [inline],  [static],  [protected]
       References ost::Mutex::leaveMutex().

Author

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