diff options
Diffstat (limited to 'winsup/cygwin/sigproc.cc')
| -rw-r--r-- | winsup/cygwin/sigproc.cc | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/winsup/cygwin/sigproc.cc b/winsup/cygwin/sigproc.cc index 026e847d1..5150e54df 100644 --- a/winsup/cygwin/sigproc.cc +++ b/winsup/cygwin/sigproc.cc @@ -248,9 +248,19 @@ proc_can_be_signalled (_pinfo *p) return true; } - return ISSTATE (p, PID_INITIALIZING) || - (((p)->process_state & (PID_ACTIVE | PID_IN_USE)) == - (PID_ACTIVE | PID_IN_USE)); + if (p->sendsig == INVALID_HANDLE_VALUE) + { + set_errno (EPERM); + return false; + } + + if (ISSTATE (p, PID_INITIALIZING) || + (((p)->process_state & (PID_ACTIVE | PID_IN_USE)) == + (PID_ACTIVE | PID_IN_USE))) + return true; + + set_errno (ESRCH); + return false; } bool __stdcall @@ -638,7 +648,9 @@ sigproc_terminate (void) sig_loop_wait = 0; // Tell wait_sig to exit when it is // finished with anything it is doing ForceCloseHandle (sigcomplete_main); - CloseHandle (myself->sendsig); + HANDLE sendsig = myself->sendsig; + myself->sendsig = INVALID_HANDLE_VALUE; + CloseHandle (sendsig); } proc_terminate (); // Terminate process handling thread @@ -679,7 +691,6 @@ sig_send (_pinfo *p, int sig, void *tls) { sigproc_printf ("invalid pid %d(%x), signal %d", p->pid, p->process_state, sig); - set_errno (ESRCH); goto out; } |