gcc/libgo/go/syscall/errno.c
Ian Lance Taylor f6b1e65ec3 re PR go/46986 (Go is not supported on Darwin)
PR go/46986
all: prepend #__USER_LABEL_PREFIX__ to mangled Go symbols
For old-fashioned Darwin.

From-SVN: r195438
2013-01-24 19:44:23 +00:00

28 lines
632 B
C

/* errno.c -- functions for getting and setting errno
Copyright 2010 The Go Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file. */
#include <errno.h>
#include <stdint.h>
#include "runtime.h"
/* errno is typically a macro. These functions set
and get errno specific to the libc being used. */
uintptr_t GetErrno() __asm__ (GOSYM_PREFIX "syscall.GetErrno");
void SetErrno(uintptr_t) __asm__ (GOSYM_PREFIX "syscall.SetErrno");
uintptr_t
GetErrno()
{
return (uintptr_t) errno;
}
void
SetErrno(uintptr_t value)
{
errno = (int) value;
}