From: Daniel Jacobowitz <drow@false.org>
Date: Mon, 20 Feb 2006 17:01:28 +0000 (+0000)
Subject: 	* linux-nat.c (lin_thread_get_thread_signals): Default to __SIGRTMIN
X-Git-Tag: gdb-csl-20060226-branchpoint~53
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=17fbb0bdc7f49801a09bffc483ccd1fd5ab21403;p=external%2Fbinutils.git

	* linux-nat.c (lin_thread_get_thread_signals): Default to __SIGRTMIN
	and __SIGRTMIN + 1.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 56ed6c0..105fbd9 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
 2006-02-20  Daniel Jacobowitz  <dan@codesourcery.com>
 
+	* linux-nat.c (lin_thread_get_thread_signals): Default to __SIGRTMIN
+	and __SIGRTMIN + 1.
+
+2006-02-20  Daniel Jacobowitz  <dan@codesourcery.com>
+
 	* remote.c: Add an enumeration for configurable remote
 	packets.
 	(remote_protocol_packets, set_remote_protocol_packet_cmd)
diff --git a/gdb/linux-nat.c b/gdb/linux-nat.c
index b089432..0710ac7 100644
--- a/gdb/linux-nat.c
+++ b/gdb/linux-nat.c
@@ -3413,12 +3413,18 @@ lin_thread_get_thread_signals (sigset_t *set)
   sigemptyset (set);
 
   restart = get_signo ("__pthread_sig_restart");
+  cancel = get_signo ("__pthread_sig_cancel");
+
+  /* LinuxThreads normally uses the first two RT signals, but in some legacy
+     cases may use SIGUSR1/SIGUSR2.  NPTL always uses RT signals, but does
+     not provide any way for the debugger to query the signal numbers -
+     fortunately they don't change!  */
+
   if (restart == 0)
-    return;
+    restart = __SIGRTMIN;
 
-  cancel = get_signo ("__pthread_sig_cancel");
   if (cancel == 0)
-    return;
+    cancel = __SIGRTMIN + 1;
 
   sigaddset (set, restart);
   sigaddset (set, cancel);