On Ctrl-C induced detach, send SIGINT to child tracee, not SIGTERM.
* strace.c (interrupt): Remember signal number.
(cleanup): If we exiting due to signal, send that signal to child tracee.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/strace.c b/strace.c
index 26d7010..0911140 100644
--- a/strace.c
+++ b/strace.c
@@ -149,9 +149,9 @@
#ifdef HAVE_SIG_ATOMIC_T
static volatile sig_atomic_t interrupted;
-#else /* !HAVE_SIG_ATOMIC_T */
+#else
static volatile int interrupted;
-#endif /* !HAVE_SIG_ATOMIC_T */
+#endif
#ifdef USE_PROCFS
@@ -1939,6 +1939,7 @@
{
int i;
struct tcb *tcp;
+ int fatal_sig = interrupted ? interrupted : SIGTERM;
for (i = 0; i < tcbtabsize; i++) {
tcp = tcbtab[i];
@@ -1956,7 +1957,7 @@
detach(tcp);
else {
kill(tcp->pid, SIGCONT);
- kill(tcp->pid, SIGTERM);
+ kill(tcp->pid, fatal_sig);
}
}
if (cflag)
@@ -1966,7 +1967,7 @@
static void
interrupt(int sig)
{
- interrupted = 1;
+ interrupted = sig;
}
#ifndef HAVE_STRERROR