gcc/libgo/go/syscall/errno.c
Ian Lance Taylor de27caacfb Implement new syscall package.
Calls to library functions now use entersyscall and
exitsyscall as appropriate.  This is a first step toward
multiplexing goroutines onto threads.

From-SVN: r180345
2011-10-23 19:04:37 +00:00

26 lines
544 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>
/* errno is typically a macro. These functions set
and get errno specific to the libc being used. */
int GetErrno() asm ("libgo_syscall.syscall.GetErrno");
void SetErrno(int) asm ("libgo_syscall.syscall.SetErrno");
int
GetErrno()
{
return errno;
}
void
SetErrno(int value)
{
errno = value;
}