hurd: Add remaining cancelation points

* hurd/hurdselect.c: Include <sysdep-cancel.h>.
(_hurd_select): Surround call to __mach_msg with enabling async cancel.
* sysdeps/mach/hurd/accept4.c: Include <sysdep-cancel.h>.
(__libc_accept4): Surround call to __socket_accept with enabling async cancel,
and use HURD_DPORT_USE_CANCEL instead of HURD_DPORT_USE.
* sysdeps/mach/hurd/connect.c: Include <sysdep-cancel.h>.
(__connect): Surround call to __file_name_lookup and __socket_connect
with enabling async cancel, and use HURD_DPORT_USE_CANCEL instead of
HURD_DPORT_USE.
* sysdeps/mach/hurd/fdatasync.c: Include <sysdep-cancel.h>.
(fdatasync): Surround call to __file_sync with enabling async cancel, and use
HURD_DPORT_USE_CANCEL instead of HURD_DPORT_USE.
* sysdeps/mach/hurd/fsync.c: Include <sysdep-cancel.h>.
(fsync): Surround call to __file_sync with enabling async cancel, and use
HURD_DPORT_USE_CANCEL instead of HURD_DPORT_USE.
* sysdeps/mach/hurd/ioctl.c: Include <sysdep-cancel.h>.
(__ioctl): When request is TIOCDRAIN, surround call to send_rpc with enabling
async cancel, and use HURD_DPORT_USE_CANCEL instead of HURD_DPORT_USE.
* sysdeps/mach/hurd/msync.c: Include <sysdep-cancel.h>.
(msync): Surround call to __vm_object_sync with enabling async cancel.
* sysdeps/mach/hurd/sigsuspend.c: Include <sysdep-cancel.h>.
(__sigsuspend): Surround call to __mach_msg with enabling async cancel.
* sysdeps/mach/hurd/sigwait.c: Include <sysdep-cancel.h>.
(__sigwait): Surround wait code with enabling async cancel.
* sysdeps/mach/msync.c: Include <sysdep-cancel.h>.
(msync): Surround call to __vm_msync with enabling async cancel.
* sysdeps/mach/sleep.c: Include <sysdep-cancel.h>.
(__sleep): Surround call to __mach_msg with enabling async cancel.
* sysdeps/mach/usleep.c: Include <sysdep-cancel.h>.
(usleep): Surround call to __vm_msync with enabling async cancel.

1 files changed, 4 insertions, 0 deletions

diff --git a/sysdeps/mach/usleep.c b/sysdeps/mach/usleep.c
index d53eb04a51..75514b2e35 100644
--- a/sysdeps/mach/usleep.c
+++ b/sysdeps/mach/usleep.c
@@ -19,12 +19,14 @@
 #include <mach.h>
 #include <sys/time.h>
 #include <unistd.h>
+#include <sysdep-cancel.h>
 
 /* Sleep USECONDS microseconds, or until a previously set timer goes off.  */
 int
 usleep (useconds_t useconds)
 {
   mach_port_t recv;
+  int cancel_oldtype;
   useconds_t useconds_up = useconds + 999;
 
   if (useconds_up < useconds)
@@ -32,8 +34,10 @@ usleep (useconds_t useconds)
 
   recv = __mach_reply_port ();
 
+  cancel_oldtype = LIBC_CANCEL_ASYNC();
   (void) __mach_msg (NULL, MACH_RCV_MSG|MACH_RCV_TIMEOUT|MACH_RCV_INTERRUPT,
 		     0, 0, recv, useconds_up / 1000, MACH_PORT_NULL);
+  LIBC_CANCEL_RESET (cancel_oldtype);
   __mach_port_destroy (mach_task_self (), recv);
 
   return 0;