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Code Issues Releases Activity

Make signal handler safer.

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Submitted by:	Jaakko Heinonen <jh@saunalahti.fi>
This commit is contained in:
David E. O'Brien 2008-12-23 17:57:17 +00:00
parent cd5c694a56
commit 11a2f37eed
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=186444
1 changed files with 7 additions and 5 deletions
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12
usr.sbin/burncd/burncd.c
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@ -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