diff options
author | obrien <obrien@FreeBSD.org> | 2008-12-23 17:57:17 +0000 |
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committer | obrien <obrien@FreeBSD.org> | 2008-12-23 17:57:17 +0000 |
commit | 610cc50686485ef48d23ff636ed05e1e57cb9210 (patch) | |
tree | 8a07661ab77cc424247d6d0bc89fb0ebdb60fb9a /usr.sbin | |
parent | c5ef864c3b34a9c2167e32d844fd3e1a65530faf (diff) | |
download | FreeBSD-src-610cc50686485ef48d23ff636ed05e1e57cb9210.zip FreeBSD-src-610cc50686485ef48d23ff636ed05e1e57cb9210.tar.gz |
Make signal handler safer.
Submitted by: Jaakko Heinonen <jh@saunalahti.fi>
Diffstat (limited to 'usr.sbin')
-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 5be73e0f..0835686 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 |