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authorDaniel Jacobowitz <drow@false.org>2004-02-29 16:47:15 +0000
committerDaniel Jacobowitz <drow@false.org>2004-02-29 16:47:15 +0000
commit62ea82f508b97190fce6018ef3545dff79de43cb (patch)
treeb5fda15057810c0c8a1774c878ec0a4553a6572a
parent6910d122aca0a6e1e9e81b6d74a9ef3215f34137 (diff)
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* 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.
-rw-r--r--gdb/gdbserver/ChangeLog7
-rw-r--r--gdb/gdbserver/linux-low.c7
-rw-r--r--gdb/gdbserver/remote-utils.c18
-rw-r--r--gdb/gdbserver/server.h2
4 files changed, 33 insertions, 1 deletions
diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index ae1117f..5066aaf 100644
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,5 +1,12 @@
2004-02-29 Daniel Jacobowitz <drow@mvista.com>
+ * 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.
+
+2004-02-29 Daniel Jacobowitz <drow@mvista.com>
+
* remote-utils.c (remote_open): Print a status notice after
opening a TCP port.
* server.c (attach_inferior): Print a status notice after
diff --git a/gdb/gdbserver/linux-low.c b/gdb/gdbserver/linux-low.c
index 90efd01..ea15516 100644
--- a/gdb/gdbserver/linux-low.c
+++ b/gdb/gdbserver/linux-low.c
@@ -662,6 +662,7 @@ retry:
}
enable_async_io ();
+ unblock_async_io ();
w = linux_wait_for_event (child);
stop_all_processes ();
disable_async_io ();
@@ -1017,7 +1018,11 @@ linux_resume (struct thread_resume *resume_info)
if (pending_flag)
for_each_inferior (&all_threads, linux_queue_one_thread);
else
- for_each_inferior (&all_threads, linux_continue_one_thread);
+ {
+ block_async_io ();
+ enable_async_io ();
+ for_each_inferior (&all_threads, linux_continue_one_thread);
+ }
}
#ifdef HAVE_LINUX_USRREGS
diff --git a/gdb/gdbserver/remote-utils.c b/gdb/gdbserver/remote-utils.c
index c9d198f..cd8c3c5 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);
diff --git a/gdb/gdbserver/server.h b/gdb/gdbserver/server.h
index 5212deb..4896afb 100644
--- a/gdb/gdbserver/server.h
+++ b/gdb/gdbserver/server.h
@@ -134,6 +134,8 @@ void write_ok (char *buf);
void write_enn (char *buf);
void enable_async_io (void);
void disable_async_io (void);
+void unblock_async_io (void);
+void block_async_io (void);
void convert_ascii_to_int (char *from, char *to, int n);
void convert_int_to_ascii (char *from, char *to, int n);
void new_thread_notify (int id);