diff options
| author | David E. O'Brien <obrien@FreeBSD.org> | 2008-12-23 17:57:17 +0000 |
|---|---|---|
| committer | David E. O'Brien <obrien@FreeBSD.org> | 2008-12-23 17:57:17 +0000 |
| commit | 11a2f37eed203da09cf1a391024e38d18b36eeb7 (patch) | |
| tree | 8a07661ab77cc424247d6d0bc89fb0ebdb60fb9a /usr.sbin/burncd/burncd.c | |
| parent | cd5c694a562720b863c262080cbf76926d8bd491 (diff) | |
Make signal handler safer.
Submitted by: Jaakko Heinonen <jh@saunalahti.fi>
Notes
Notes:
svn path=/head/; revision=186444
Diffstat (limited to 'usr.sbin/burncd/burncd.c')
| -rw-r--r-- | usr.sbin/burncd/burncd.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/usr.sbin/burncd/burncd.c b/usr.sbin/burncd/burncd.c index 5be73e0f7c91..083568658dd4 100644 --- a/usr.sbin/burncd/burncd.c +++ b/usr.sbin/burncd/burncd.c @@ -58,7 +58,8 @@ struct track_info { int addr; }; static struct track_info tracks[100]; -static int global_fd_for_cleanup, quiet, verbose, saved_block_size, notracks; +static int quiet, verbose, saved_block_size, notracks; +static volatile int global_fd_for_cleanup; void add_track(char *, int, int, int); void do_DAO(int fd, int, int); @@ -716,11 +717,12 @@ cleanup_flush(void) } void -cleanup_signal(int sig __unused) +cleanup_signal(int sig) { - cleanup_flush(); - fprintf(stderr, "\n"); - errx(EXIT_FAILURE, "Aborted"); + signal(sig, SIG_IGN); + ioctl(global_fd_for_cleanup, CDRIOCFLUSH); + write(STDERR_FILENO, "\nAborted\n", 10); + _exit(EXIT_FAILURE); } void |