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(cleanup): New function -- broken out from quit.

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(interrupt_handler): Rewrite to reset default signal handler,
call cleanup, then repost caught signal.
This commit is contained in:
Jim Meyering
1995-12-22 06:49:10 +00:00
parent c8d085374c
commit 05d30f2715
1 changed files with 23 additions and 7 deletions
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src/dd.c
+23 -7
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@@ -95,7 +95,7 @@ char *xmalloc ();
int safe_read ();
int full_write ();
static RETSIGTYPE interrupt_handler __P ((void));
static RETSIGTYPE interrupt_handler __P ((int));
static int bit_count __P ((register unsigned int i));
static int parse_integer __P ((char *str));
static void apply_translations __P ((void));
@@ -1043,21 +1043,37 @@ print_stats (void)
}
static void
quit (int code)
cleanup (void)
{
int errcode = code ? code : 1;
print_stats ();
if (close (input_fd) < 0)
error (errcode, errno, "%s", input_file);
error (1, errno, "%s", input_file);
if (close (output_fd) < 0)
error (errcode, errno, "%s", output_file);
error (1, errno, "%s", output_file);
}
static void
quit (int code)
{
cleanup ();
exit (code);
}
static RETSIGTYPE
interrupt_handler (void)
interrupt_handler (int sig)
{
quit (1);
#ifdef SA_INTERRUPT
struct sigaction sigact;
sigact.sa_handler = SIG_DFL;
sigemptyset (&sigact.sa_mask);
sigact.sa_flags = 0;
sigaction (sig, &sigact, NULL);
#else /* !SA_INTERRUPT */
signal (sig, SIG_DFL);
#endif /* SA_INTERRUPT */
cleanup ();
kill (getpid (), sig);
}
static void