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authorobrien <obrien@FreeBSD.org>2008-12-23 17:57:17 +0000
committerobrien <obrien@FreeBSD.org>2008-12-23 17:57:17 +0000
commit610cc50686485ef48d23ff636ed05e1e57cb9210 (patch)
tree8a07661ab77cc424247d6d0bc89fb0ebdb60fb9a /usr.sbin/burncd/burncd.c
parentc5ef864c3b34a9c2167e32d844fd3e1a65530faf (diff)
downloadFreeBSD-src-610cc50686485ef48d23ff636ed05e1e57cb9210.zip
FreeBSD-src-610cc50686485ef48d23ff636ed05e1e57cb9210.tar.gz
Make signal handler safer.
Submitted by: Jaakko Heinonen <jh@saunalahti.fi>
Diffstat (limited to 'usr.sbin/burncd/burncd.c')
-rw-r--r--usr.sbin/burncd/burncd.c12
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
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