diff options
Diffstat (limited to 'winsup/cygwin/sigproc.cc')
| -rw-r--r-- | winsup/cygwin/sigproc.cc | 57 |
1 files changed, 55 insertions, 2 deletions
diff --git a/winsup/cygwin/sigproc.cc b/winsup/cygwin/sigproc.cc index e27fccdd9..bc21c33ec 100644 --- a/winsup/cygwin/sigproc.cc +++ b/winsup/cygwin/sigproc.cc @@ -582,7 +582,8 @@ sig_send (_pinfo *p, siginfo_t& si, _cygtls *tls) sigproc_printf ("sendsig handle never materialized"); goto out; } - HANDLE hp = OpenProcess (PROCESS_DUP_HANDLE, false, dwProcessId); + HANDLE hp = OpenProcess (PROCESS_DUP_HANDLE | SYNCHRONIZE, + false, dwProcessId); if (!hp) { __seterrno (); @@ -598,7 +599,59 @@ sig_send (_pinfo *p, siginfo_t& si, _cygtls *tls) CloseHandle (hp); goto out; } - CloseHandle (hp); + if (si.si_signo == __SIGCOMMUNE) + { + if (!(myself->gotit = CreateEvent (&sec_none_nih, true, false, NULL))) + { + __seterrno (); + sigproc_printf ("CreateEvent failed, %E"); + CloseHandle (hp); + goto out; + } + if (!DuplicateHandle (hMainProc, myself->gotit, hp, + &myself->__gotit, false, 0, + DUPLICATE_SAME_ACCESS)) + { + __seterrno (); + sigproc_printf ("DuplicateHandle failed, %E"); + CloseHandle (myself->gotit); + CloseHandle (hp); + goto out; + } + if (!DuplicateHandle (hMainProc, myself->tothem, hp, + &myself->__tothem, false, 0, + DUPLICATE_SAME_ACCESS)) + { + __seterrno (); + sigproc_printf ("DuplicateHandle failed, %E"); + CloseHandle (myself->gotit); + CloseHandle (hp); + goto out; + } + if (!DuplicateHandle (hMainProc, myself->fromthem, hp, + &myself->__fromthem, false, 0, + DUPLICATE_SAME_ACCESS)) + { + __seterrno (); + sigproc_printf ("DuplicateHandle failed, %E"); + CloseHandle (myself->gotit); + CloseHandle (hp); + goto out; + } + if (!DuplicateHandle (hMainProc, hMainProc, hp, + &myself->__them, false, 0, + DUPLICATE_SAME_ACCESS)) + { + __seterrno (); + sigproc_printf ("DuplicateHandle failed, %E"); + CloseHandle (myself->gotit); + CloseHandle (hp); + goto out; + } + myself->them = hp; + } + else + CloseHandle (hp); VerifyHandle (sendsig); } |