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Diffstat (limited to 'arch/um/drivers/ubd_user.c')
-rw-r--r--arch/um/drivers/ubd_user.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/arch/um/drivers/ubd_user.c b/arch/um/drivers/ubd_user.c
index 4707b3f14c2..e376f9b9c68 100644
--- a/arch/um/drivers/ubd_user.c
+++ b/arch/um/drivers/ubd_user.c
@@ -15,20 +15,11 @@
#include <sys/socket.h>
#include <sys/mman.h>
#include <sys/param.h>
-#include "asm/types.h"
-#include "kern_util.h"
-#include "user.h"
-#include "ubd_user.h"
-#include "os.h"
-#include "cow.h"
-
#include <endian.h>
#include <byteswap.h>
-void ignore_sigwinch_sig(void)
-{
- signal(SIGWINCH, SIG_IGN);
-}
+#include "ubd.h"
+#include <os.h>
int start_io_thread(unsigned long sp, int *fd_out)
{
@@ -43,8 +34,13 @@ int start_io_thread(unsigned long sp, int *fd_out)
kernel_fd = fds[0];
*fd_out = fds[1];
- pid = clone(io_thread, (void *) sp, CLONE_FILES | CLONE_VM | SIGCHLD,
- NULL);
+ err = os_set_fd_block(*fd_out, 0);
+ if (err) {
+ printk("start_io_thread - failed to set nonblocking I/O.\n");
+ goto out_close;
+ }
+
+ pid = clone(io_thread, (void *) sp, CLONE_FILES | CLONE_VM, NULL);
if(pid < 0){
err = -errno;
printk("start_io_thread - clone failed : errno = %d\n", errno);