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Restore terminal settings on exit.

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This commit is contained in:
Thomas Doerfler
2008-07-10 06:04:19 +00:00
parent 7c007cfe32
commit 8084ce80fb
1 changed files with 13 additions and 2 deletions
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15
cpukit/libmisc/shell/shell.c
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@@ -664,6 +664,7 @@ rtems_boolean rtems_shell_main_loop(
rtems_shell_cmd_t *shell_cmd; rtems_shell_cmd_t *shell_cmd;
rtems_status_code sc; rtems_status_code sc;
struct termios term; struct termios term;
struct termios previous_term;
char *prompt = NULL; char *prompt = NULL;
int cmd; int cmd;
int cmd_count = 1; /* assume a script and so only 1 command line */ int cmd_count = 1; /* assume a script and so only 1 command line */
@@ -740,7 +741,8 @@ rtems_boolean rtems_shell_main_loop(
} }
else { else {
/* make a raw terminal,Linux Manuals */ /* make a raw terminal,Linux Manuals */
if (tcgetattr(fileno(stdin), &term) >= 0) { if (tcgetattr(fileno(stdin), &previous_term) >= 0) {
term = previous_term;
term.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); term.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
term.c_oflag &= ~OPOST; term.c_oflag &= ~OPOST;
term.c_oflag |= (OPOST|ONLCR); /* But with cr+nl on output */ term.c_oflag |= (OPOST|ONLCR); /* But with cr+nl on output */
@@ -913,8 +915,17 @@ rtems_boolean rtems_shell_main_loop(
if (cmd_argv) if (cmd_argv)
free (cmd_argv); free (cmd_argv);
if ( stdinToClose ) if (stdinToClose) {
fclose( stdinToClose ); fclose( stdinToClose );
} else {
if (tcsetattr( fileno( stdin), TCSADRAIN, &previous_term) < 0) {
fprintf(
stderr,
"shell: cannot reset terminal attributes (%s)\n",
shell_env->devname
);
}
}
if ( stdoutToClose ) if ( stdoutToClose )
fclose( stdoutToClose ); fclose( stdoutToClose );
return result; return result;