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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2020-06-28 22:41:18 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2020-06-28 22:46:21 +0000
commitf512321130d6c02332d441812ef4780908bb744d (patch)
treedb2c8cc8194b611a69ecc29c4146bfbb478b99c7 /hurd/hurdselect.c
parent1f3413338e31e65f2927aef02c151745d3b899d0 (diff)
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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.
Diffstat (limited to 'hurd/hurdselect.c')
-rw-r--r--hurd/hurdselect.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/hurd/hurdselect.c b/hurd/hurdselect.c
index 69a415c02c..8da0ccf282 100644
--- a/hurd/hurdselect.c
+++ b/hurd/hurdselect.c
@@ -28,6 +28,7 @@
 #include <stdint.h>
 #include <limits.h>
 #include <time.h>
+#include <sysdep-cancel.h>
 
 /* All user select types.  */
 #define SELECT_ALL (SELECT_READ | SELECT_WRITE | SELECT_URG)
@@ -432,11 +433,14 @@ _hurd_select (int nfds,
 	  to = MACH_MSG_TIMEOUT_NONE;
 	}
 
+      int cancel_oldtype = LIBC_CANCEL_ASYNC();
       while ((msgerr = __mach_msg (&msg.head,
 				   MACH_RCV_MSG | MACH_RCV_INTERRUPT | options,
 				   0, sizeof msg, portset, to,
 				   MACH_PORT_NULL)) == MACH_MSG_SUCCESS)
 	{
+	  LIBC_CANCEL_RESET (cancel_oldtype);
+
 	  /* We got a message.  Decode it.  */
 #ifdef MACH_MSG_TYPE_BIT
 	  const union typeword inttype =
@@ -527,6 +531,7 @@ _hurd_select (int nfds,
 	      options |= MACH_RCV_TIMEOUT;
 	    }
 	}
+      LIBC_CANCEL_RESET (cancel_oldtype);
 
       if (msgerr == MACH_RCV_INTERRUPTED)
 	/* Interruption on our side (e.g. signal reception).  */