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Diffstat (limited to 'c/src/lib/libc/hosterr.c')
-rw-r--r-- | c/src/lib/libc/hosterr.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/c/src/lib/libc/hosterr.c b/c/src/lib/libc/hosterr.c new file mode 100644 index 0000000000..7c0838a2e0 --- /dev/null +++ b/c/src/lib/libc/hosterr.c @@ -0,0 +1,43 @@ +/* + * Routines to access a host errno + * + * COPYRIGHT (c) 1989-1997. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may in + * the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <rtems.h> +#include <errno.h> + +int host_errno(void); + +/* + * copy host errno, if any to thread aware errno, if any + */ + +void fix_syscall_errno(void) +{ + errno = host_errno(); +} + +/* + * Get the host system errno, if any + * When using newlib (or possibly other libc's) on top of UNIX + * the errno returned by system calls may be unavailable due + * to trickery of making errno thread aware. + * This provides a kludge of getting at it. + */ + +#undef errno +extern int errno; +int host_errno(void) +{ + return errno; +} + |