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binutils-gdb
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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.
This commit is contained in:
Daniel Jacobowitz 2004-02-29 16:47:15 +00:00
parent 6910d122ac
commit 62ea82f508
4 changed files with 33 additions and 1 deletions
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7
gdb/gdbserver/ChangeLog
View File

@ -1,3 +1,10 @@
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

7
gdb/gdbserver/linux-low.c
View File

@ -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

18
gdb/gdbserver/remote-utils.c
View File

@ -367,6 +367,24 @@ 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)
{

2
gdb/gdbserver/server.h
View File

@ -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);