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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4921 | Serge | 1 | /* Reentrant versions of file system calls. These implementations |
| 2 | just call the usual system calls. */ |
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| 3 | |||
| 4 | #include |
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| 5 | #include |
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| 6 | #include <_syslist.h> |
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| 7 | |||
| 8 | /* Some targets provides their own versions of these functions. Those |
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| 9 | targets should define REENTRANT_SYSCALLS_PROVIDED in TARGET_CFLAGS. */ |
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| 10 | |||
| 11 | #ifdef _REENT_ONLY |
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| 12 | #ifndef REENTRANT_SYSCALLS_PROVIDED |
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| 13 | #define REENTRANT_SYSCALLS_PROVIDED |
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| 14 | #endif |
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| 15 | #endif |
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| 16 | |||
| 17 | #ifdef REENTRANT_SYSCALLS_PROVIDED |
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| 18 | |||
| 19 | int _dummy_link_syscalls = 1; |
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| 20 | |||
| 21 | #else |
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| 22 | |||
| 23 | /* We use the errno variable used by the system dependent layer. */ |
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| 24 | #undef errno |
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| 25 | extern int errno; |
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| 26 | |||
| 27 | /* |
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| 28 | FUNCTION |
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| 29 | <<_link_r>>---Reentrant version of link |
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| 30 | |||
| 31 | INDEX |
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| 32 | _link_r |
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| 33 | |||
| 34 | ANSI_SYNOPSIS |
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| 35 | #include |
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| 36 | int _link_r(struct _reent *<[ptr]>, |
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| 37 | const char *<[old]>, const char *<[new]>); |
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| 38 | |||
| 39 | TRAD_SYNOPSIS |
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| 40 | #include |
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| 41 | int _link_r(<[ptr]>, <[old]>, <[new]>) |
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| 42 | struct _reent *<[ptr]>; |
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| 43 | char *<[old]>; |
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| 44 | char *<[new]>; |
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| 45 | |||
| 46 | DESCRIPTION |
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| 47 | This is a reentrant version of <>. It |
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| 48 | takes a pointer to the global data block, which holds |
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| 49 | < |
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| 50 | */ |
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| 51 | |||
| 52 | int |
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| 53 | _DEFUN (_link_r, (ptr, old, new), |
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| 54 | struct _reent *ptr _AND |
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| 55 | _CONST char *old _AND |
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| 56 | _CONST char *new) |
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| 57 | { |
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| 58 | int ret; |
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| 59 | |||
| 60 | errno = 0; |
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| 61 | if ((ret = _link (old, new)) == -1 && errno != 0) |
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| 62 | ptr->_errno = errno; |
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| 63 | return ret; |
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| 64 | } |
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| 65 | |||
| 66 | #endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */ |