* libc/include/sys/stdio.h: New file.

	* libc/sys/linux/sys/stdio.h: New file.
	* libc/include/stdio.h: Add declarations for flockfile,
	ftrylockfile, and funlockfile.  Include <sys/stdio.h>.
	* libc/stdio/clearerr.c: Add file locking.
	* libc/stdio/fclose.c: Likewise.
	* libc/stdio/feof.c: Likewise.
	* libc/stdio/ferror.c: Likewise.
	* libc/stdio/fflush.c: Likewise.
	* libc/stdio/fgetc.c: Likewise.
	* libc/stdio/fgetpos.c: Likewise.
	* libc/stdio/fgets.c: Likewise.
	* libc/stdio/fileno.c: Likewise.
	* libc/stdio/fputc.c: Likewise.
	* libc/stdio/fputs.c: Likewise.
	* libc/stdio/fread.c: Likewise.
	* libc/stdio/freopen.c: Likewise.
	* libc/stdio/fseek.c: Likewise.
	* libc/stdio/ftell.c: Likewise.
	* libc/stdio/fwrite.c: Likewise.
	* libc/stdio/getc.c: Likewise.
	* libc/stdio/putc.c: Likewise.
	* libc/stdio/setvbuf.c: Likewise.
	* libc/stdio/ungetc.c: Likewise.
	* libc/stdio/vfprintf.c: Likewise.

1 files changed, 5 insertions, 1 deletions

diff --git a/newlib/libc/stdio/fputs.c b/newlib/libc/stdio/fputs.c
index 62ce98fb7..78758ce93 100644
--- a/newlib/libc/stdio/fputs.c
+++ b/newlib/libc/stdio/fputs.c
@@ -60,6 +60,7 @@ _DEFUN (fputs, (s, fp),
 	char _CONST * s _AND
 	FILE * fp)
 {
+  int result;
   struct __suio uio;
   struct __siov iov;
 
@@ -67,5 +68,8 @@ _DEFUN (fputs, (s, fp),
   iov.iov_len = uio.uio_resid = strlen (s);
   uio.uio_iov = &iov;
   uio.uio_iovcnt = 1;
-  return __sfvwrite (fp, &uio);
+  _flockfile(fp);
+  result = __sfvwrite (fp, &uio);
+  _funlockfile(fp);
+  return result;
 }