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Diffstat (limited to 'gcc/ada/cal.c')
| -rw-r--r-- | gcc/ada/cal.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/gcc/ada/cal.c b/gcc/ada/cal.c new file mode 100644 index 000000000..6eb176915 --- /dev/null +++ b/gcc/ada/cal.c @@ -0,0 +1,109 @@ +/**************************************************************************** + * * + * GNAT COMPILER COMPONENTS * + * * + * C A L * + * * + * C Implementation File * + * * + * Copyright (C) 1992-2009, Free Software Foundation, Inc. * + * * + * GNAT is free software; you can redistribute it and/or modify it under * + * terms of the GNU General Public License as published by the Free Soft- * + * ware Foundation; either version 3, or (at your option) any later ver- * + * sion. GNAT is distributed in the hope that it will be useful, but WITH- * + * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * + * or FITNESS FOR A PARTICULAR PURPOSE. * + * * + * As a special exception under Section 7 of GPL version 3, you are granted * + * additional permissions described in the GCC Runtime Library Exception, * + * version 3.1, as published by the Free Software Foundation. * + * * + * You should have received a copy of the GNU General Public License and * + * a copy of the GCC Runtime Library Exception along with this program; * + * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see * + * <http://www.gnu.org/licenses/>. * + * * + * GNAT was originally developed by the GNAT team at New York University. * + * Extensive contributions were provided by Ada Core Technologies Inc. * + * * + ****************************************************************************/ + +/* This file contains those routines named by Import pragmas in package */ +/* GNAT.Calendar. It is used to do Duration to timeval conversion. */ +/* These are simple wrappers function to abstract the fact that the C */ +/* struct timeval fields type are not normalized (they are generally */ +/* defined as int or long values). */ + +#if defined(VMS) || defined(__nucleus__) + +/* this is temporary code to avoid build failure under VMS */ + +void +__gnat_timeval_to_duration (void *t, long *sec, long *usec) +{ +} + +void +__gnat_duration_to_timeval (long sec, long usec, void *t) +{ +} + +#else + +#if defined (__vxworks) +#ifdef __RTP__ +#include <time.h> +#include <version.h> +#if (_WRS_VXWORKS_MINOR != 0) +#include <sys/time.h> +#endif +#else +#include <sys/times.h> +#endif +#elif defined (__nucleus__) +#include <time.h> +#else +#include <sys/time.h> +#endif + +#ifdef __MINGW32__ +#include "mingw32.h" +#if STD_MINGW +#include <winsock.h> +#endif +#endif + +void +__gnat_timeval_to_duration (struct timeval *t, long *sec, long *usec) +{ + *sec = (long) t->tv_sec; + *usec = (long) t->tv_usec; +} + +void +__gnat_duration_to_timeval (long sec, long usec, struct timeval *t) +{ + /* here we are doing implicit conversion from a long to the struct timeval + fields types. */ + + t->tv_sec = sec; + t->tv_usec = usec; +} +#endif + +#ifdef __alpha_vxworks +#include "vxWorks.h" +#elif defined (__vxworks) +#include <types/vxTypesOld.h> +#endif + +/* Return the value of the "time" C library function. We always return + a long and do it this way to avoid problems with not knowing + what time_t is on the target. */ + +long +gnat_time (void) +{ + return time (0); +} |