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Annotation of coherent/f/usr/include/common/__time.h, revision 1.1.1.1

1.1       root        1: #ifndef        __COMMON___TIME_H__
                      2: #define        __COMMON___TIME_H__
                      3: 
                      4: /*
                      5:  * This internal header file is intended as the sole point of definition for
                      6:  * the internal data type "__time_t", exactly equivalent to the ISO C data
                      7:  * type "time_t" but given an internal name so that header files may refer
                      8:  * to the type without exporting the user-level type unnecessarily.
                      9:  *
                     10:  * The System V ABI and the iBCS2 specification set define "time_t" as a long.
                     11:  * A POSIX.1 system is permitted to use "unsigned long" to extend the range of
                     12:  * time values since the POSIX.1 epoch, since conforming applications should
                     13:  * be using ((time_t) -1) to detect errors.
                     14:  *
                     15:  * For now, we resolve this conflict by use of the _POSIX_SOURCE feature-test
                     16:  * macro. If _POSIX_SOURCE is defined, then we use the "unsigned long" form as
                     17:  * the client has contracted us in a POSIX guise.
                     18:  */
                     19: 
                     20: #if    _POSIX_SOURCE
                     21: 
                     22: typedef        unsigned long   __time_t;
                     23: 
                     24: #else
                     25: 
                     26: typedef        long            __time_t;
                     27: 
                     28: #endif
                     29: 
                     30: 
                     31: #endif /* ! defined (__COMMON___TIME_H__) */

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