glebfm/strace
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On Ctrl-C induced detach, send SIGINT to child tracee, not SIGTERM.

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* 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>
This commit is contained in:
Denys Vlasenko 2012-01-29 16:43:51 +01:00
parent 31fa8a22b1
commit a3559250d4
1 changed files with 5 additions and 4 deletions
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9
strace.c
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@ -149,9 +149,9 @@ static sigset_t empty_set, blocked_set;
#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 @@ cleanup(void)
{
int i;
struct tcb *tcp;
int fatal_sig = interrupted ? interrupted : SIGTERM;
for (i = 0; i < tcbtabsize; i++) {
tcp = tcbtab[i];
@ -1956,7 +1957,7 @@ cleanup(void)
detach(tcp);
else {
kill(tcp->pid, SIGCONT);
kill(tcp->pid, SIGTERM);
kill(tcp->pid, fatal_sig);
}
}
if (cflag)
@ -1966,7 +1967,7 @@ cleanup(void)
static void
interrupt(int sig)
{
interrupted = 1;
interrupted = sig;
}
#ifndef HAVE_STRERROR