Module Name: src
Committed By: jmcneill
Date: Mon Dec 12 16:39:16 UTC 2011
Modified Files:
src/sys/arch/usermode/dev: ttycons.c
src/sys/arch/usermode/include: thunk.h
src/sys/arch/usermode/usermode: thunk.c
Log Message:
make sure to set O_ASYNC on stdin to enable ttycons "interrupts"
To generate a diff of this commit:
cvs rdiff -u -r1.9 -r1.10 src/sys/arch/usermode/dev/ttycons.c
cvs rdiff -u -r1.36 -r1.37 src/sys/arch/usermode/include/thunk.h
cvs rdiff -u -r1.41 -r1.42 src/sys/arch/usermode/usermode/thunk.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/usermode/dev/ttycons.c
diff -u src/sys/arch/usermode/dev/ttycons.c:1.9 src/sys/arch/usermode/dev/ttycons.c:1.10
--- src/sys/arch/usermode/dev/ttycons.c:1.9 Mon Dec 12 16:06:15 2011
+++ src/sys/arch/usermode/dev/ttycons.c Mon Dec 12 16:39:16 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: ttycons.c,v 1.9 2011/12/12 16:06:15 jmcneill Exp $ */
+/* $NetBSD: ttycons.c,v 1.10 2011/12/12 16:39:16 jmcneill Exp $ */
/*-
* Copyright (c) 2007 Jared D. McNeill <[email protected]>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ttycons.c,v 1.9 2011/12/12 16:06:15 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ttycons.c,v 1.10 2011/12/12 16:39:16 jmcneill Exp $");
#include <sys/param.h>
#include <sys/conf.h>
@@ -136,6 +136,8 @@ ttycons_attach(device_t parent, device_t
panic("couldn't establish ttycons softint handler\n");
thunk_signal(SIGIO, ttycons_intr);
+ if (thunk_set_stdin_sigio(true) != 0)
+ panic("couldn't enable stdin async mode");
}
void
Index: src/sys/arch/usermode/include/thunk.h
diff -u src/sys/arch/usermode/include/thunk.h:1.36 src/sys/arch/usermode/include/thunk.h:1.37
--- src/sys/arch/usermode/include/thunk.h:1.36 Sun Dec 11 22:33:49 2011
+++ src/sys/arch/usermode/include/thunk.h Mon Dec 12 16:39:16 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: thunk.h,v 1.36 2011/12/11 22:33:49 jmcneill Exp $ */
+/* $NetBSD: thunk.h,v 1.37 2011/12/12 16:39:16 jmcneill Exp $ */
/*-
* Copyright (c) 2011 Jared D. McNeill <[email protected]>
@@ -92,6 +92,7 @@ int thunk_swapcontext(ucontext_t *, ucon
int thunk_tcgetattr(int, struct thunk_termios *);
int thunk_tcsetattr(int, int, const struct thunk_termios *);
+int thunk_set_stdin_sigio(int);
int thunk_pollchar(void);
int thunk_getchar(void);
void thunk_putchar(int);
Index: src/sys/arch/usermode/usermode/thunk.c
diff -u src/sys/arch/usermode/usermode/thunk.c:1.41 src/sys/arch/usermode/usermode/thunk.c:1.42
--- src/sys/arch/usermode/usermode/thunk.c:1.41 Sun Dec 11 22:33:49 2011
+++ src/sys/arch/usermode/usermode/thunk.c Mon Dec 12 16:39:16 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: thunk.c,v 1.41 2011/12/11 22:33:49 jmcneill Exp $ */
+/* $NetBSD: thunk.c,v 1.42 2011/12/12 16:39:16 jmcneill Exp $ */
/*-
* Copyright (c) 2011 Jared D. McNeill <[email protected]>
@@ -28,7 +28,7 @@
#include <sys/cdefs.h>
#ifdef __NetBSD__
-__RCSID("$NetBSD: thunk.c,v 1.41 2011/12/11 22:33:49 jmcneill Exp $");
+__RCSID("$NetBSD: thunk.c,v 1.42 2011/12/12 16:39:16 jmcneill Exp $");
#endif
#include <sys/types.h>
@@ -321,6 +321,21 @@ thunk_tcsetattr(int fd, int action, cons
}
int
+thunk_set_stdin_sigio(int onoff)
+{
+ int flags;
+
+ flags = fcntl(STDIN_FILENO, F_GETFL, 0);
+
+ if (onoff)
+ flags |= O_ASYNC;
+ else
+ flags &= ~O_ASYNC;
+
+ return fcntl(STDIN_FILENO, F_SETFL, flags);
+}
+
+int
thunk_pollchar(void)
{
struct pollfd fds[1];
