* linux-low.c (linux_wait): Unblock async I/O.

	(linux_resume): Block and enable async I/O.
	* remote-utils.c (block_async_io, unblock_async_io): New functions.
	* server.h (block_async_io, unblock_async_io): Add prototypes.

1 files changed, 18 insertions, 0 deletions

diff --git a/gdb/gdbserver/remote-utils.c b/gdb/gdbserver/remote-utils.c
index c9d198fb289..cd8c3c56cbd 100644
--- a/gdb/gdbserver/remote-utils.c
+++ b/gdb/gdbserver/remote-utils.c
@@ -368,6 +368,24 @@ input_interrupt (int unused)
 }
 
 void
+block_async_io (void)
+{
+  sigset_t sigio_set;
+  sigemptyset (&sigio_set);
+  sigaddset (&sigio_set, SIGIO);
+  sigprocmask (SIG_BLOCK, &sigio_set, NULL);
+}
+
+void
+unblock_async_io (void)
+{
+  sigset_t sigio_set;
+  sigemptyset (&sigio_set);
+  sigaddset (&sigio_set, SIGIO);
+  sigprocmask (SIG_UNBLOCK, &sigio_set, NULL);
+}
+
+void
 enable_async_io (void)
 {
   signal (SIGIO, input_interrupt);