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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* Reentrant version of gettimeofday system call |
| 2 | This implementation just calls the times/gettimeofday system calls. |
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| 3 | Gettimeofday may not be available on all targets. It's presence |
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| 4 | here is dubious. Consider it for internal use only. */ |
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| 5 | |||
| 6 | #include |
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| 7 | #include |
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| 8 | #include |
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| 9 | #include |
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| 10 | #include <_syslist.h> |
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| 11 | |||
| 12 | /* Some targets provides their own versions of these functions. Those |
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| 13 | targets should define REENTRANT_SYSCALLS_PROVIDED in TARGET_CFLAGS. */ |
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| 14 | |||
| 15 | #ifdef _REENT_ONLY |
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| 16 | #ifndef REENTRANT_SYSCALLS_PROVIDED |
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| 17 | #define REENTRANT_SYSCALLS_PROVIDED |
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| 18 | #endif |
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| 19 | #endif |
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| 20 | |||
| 21 | #ifdef REENTRANT_SYSCALLS_PROVIDED |
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| 22 | |||
| 23 | int _dummy_gettimeofday_syscalls = 1; |
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| 24 | |||
| 25 | #else |
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| 26 | |||
| 27 | /* We use the errno variable used by the system dependent layer. */ |
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| 28 | #undef errno |
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| 4921 | Serge | 29 | extern int errno; |
| 4349 | Serge | 30 | |
| 31 | /* |
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| 32 | FUNCTION |
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| 33 | <<_gettimeofday_r>>---Reentrant version of gettimeofday |
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| 34 | |||
| 35 | INDEX |
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| 36 | _gettimeofday_r |
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| 37 | |||
| 38 | ANSI_SYNOPSIS |
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| 39 | #include |
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| 40 | #include |
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| 41 | int _gettimeofday_r(struct _reent *<[ptr]>, |
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| 42 | struct timeval *<[ptimeval]>, |
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| 43 | void *<[ptimezone]>); |
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| 44 | |||
| 45 | TRAD_SYNOPSIS |
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| 46 | #include |
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| 47 | #include |
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| 48 | int _gettimeofday_r(<[ptr]>, <[ptimeval]>, <[ptimezone]>) |
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| 49 | struct _reent *<[ptr]>; |
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| 50 | struct timeval *<[ptimeval]>; |
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| 51 | void *<[ptimezone]>; |
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| 52 | |||
| 53 | DESCRIPTION |
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| 54 | This is a reentrant version of < |
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| 55 | takes a pointer to the global data block, which holds |
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| 56 | < |
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| 57 | |||
| 58 | This function is only available for a few targets. |
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| 59 | Check libc.a to see if its available on yours. |
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| 60 | */ |
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| 61 | |||
| 62 | int |
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| 63 | _DEFUN (_gettimeofday_r, (ptr, ptimeval, ptimezone), |
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| 64 | struct _reent *ptr _AND |
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| 65 | struct timeval *ptimeval _AND |
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| 66 | void *ptimezone) |
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| 67 | { |
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| 68 | int ret; |
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| 69 | |||
| 70 | errno = 0; |
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| 71 | if ((ret = _gettimeofday (ptimeval, ptimezone)) == -1 && errno != 0) |
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| 72 | ptr->_errno = errno; |
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| 73 | return ret; |
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| 74 | } |
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| 75 | |||
| 76 | #endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */ |