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[hci] Continue processing while prompting for shell banner

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Continue calling step() while displaying the shell banner.  This
potentially allows TCP connections to close gracefully after a failed
boot attempt.

Inspired-by: Guo-Fu Tseng <cooldavid@cooldavid.org>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2010-07-14 12:37:29 +01:00
parent 24403fba6e
commit 3338a03982
3 changed files with 5 additions and 14 deletions
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16
src/hci/shell_banner.c
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@@ -20,9 +20,9 @@ FILE_LICENCE ( GPL2_OR_LATER );
#include <stdio.h>
#include <console.h>
#include <unistd.h>
#include <config/general.h>
#include <ipxe/keys.h>
#include <ipxe/timer.h>
#include <ipxe/shell_banner.h>
/** @file
@@ -37,8 +37,6 @@ FILE_LICENCE ( GPL2_OR_LATER );
* @ret enter_shell User wants to enter shell
*/
int shell_banner ( void ) {
int enter_shell = 0;
int wait_count;
int key;
/* Skip prompt if timeout is zero */
@@ -49,18 +47,10 @@ int shell_banner ( void ) {
printf ( "\nPress Ctrl-B for the iPXE command line..." );
/* Wait for key */
for ( wait_count = 0 ; wait_count < BANNER_TIMEOUT ; wait_count++ ) {
if ( iskey() ) {
key = getchar();
if ( key == CTRL_B )
enter_shell = 1;
break;
}
mdelay(100);
}
key = getchar_timeout ( ( BANNER_TIMEOUT * TICKS_PER_SEC ) / 10 );
/* Clear the "Press Ctrl-B" line */
printf ( "\r \r" );
return enter_shell;
return ( key == CTRL_B );
}