diff options
Diffstat (limited to 'winsup/cygwin/sigproc.cc')
-rw-r--r-- | winsup/cygwin/sigproc.cc | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/winsup/cygwin/sigproc.cc b/winsup/cygwin/sigproc.cc index 6ec9a2838..1f65712b6 100644 --- a/winsup/cygwin/sigproc.cc +++ b/winsup/cygwin/sigproc.cc @@ -170,7 +170,13 @@ proc_can_be_signalled (_pinfo *p) if (p->sendsig != INVALID_HANDLE_VALUE) { if (p == myself_nowait || p == myself) - return hwait_sig; + if (hwait_sig) + return true; + else + { + set_errno (EAGAIN); + return hwait_sig; + } if (ISSTATE (p, PID_INITIALIZING) || (((p)->process_state & (PID_ACTIVE | PID_IN_USE)) == @@ -544,9 +550,6 @@ sig_send (_pinfo *p, siginfo_t& si, _cygtls *tls) sigpacket pack; pack.wakeup = NULL; - if (!myself->sendsig) // FIXME: This catches the exec case but what if the exec is going to fail? - goto out; - bool wait_for_completion; if (!(its_me = (p == NULL || p == myself || p == myself_nowait))) wait_for_completion = false; @@ -556,6 +559,7 @@ sig_send (_pinfo *p, siginfo_t& si, _cygtls *tls) { sigproc_printf ("hwait_sig %p, myself->sendsig %p, exit_state %d", hwait_sig, myself->sendsig, exit_state); + set_errno (EAGAIN); goto out; // Either exiting or not yet initializing } if (wait_sig_inited) @@ -601,8 +605,8 @@ sig_send (_pinfo *p, siginfo_t& si, _cygtls *tls) HANDLE hp = OpenProcess (PROCESS_DUP_HANDLE, false, dwProcessId); if (!hp) { - sigproc_printf ("OpenProcess failed, %E"); __seterrno (); + sigproc_printf ("OpenProcess failed, %E"); goto out; } VerifyHandle (hp); @@ -651,8 +655,8 @@ sig_send (_pinfo *p, siginfo_t& si, _cygtls *tls) process is exiting. */ if (!its_me) { - sigproc_printf ("WriteFile for pipe %p failed, %E", sendsig); __seterrno (); + sigproc_printf ("WriteFile for pipe %p failed, %E", sendsig); ForceCloseHandle (sendsig); } else @@ -662,6 +666,7 @@ sig_send (_pinfo *p, siginfo_t& si, _cygtls *tls) else if (!hExeced) system_printf ("error sending signal %d to pid %d, pipe handle %p, %E", si.si_signo, p->pid, sendsig); + set_errno (EACCES); } goto out; } @@ -796,15 +801,9 @@ child_info::sync (pinfo& vchild, DWORD howlong) res = true; break; case WAIT_OBJECT_0 + 1: + sigproc_printf ("process exited before subproc_ready"); if (WaitForSingleObject (subproc_ready, 0) == WAIT_OBJECT_0) sigproc_printf ("should never happen. noticed subproc_ready after process exit"); - else - { - DWORD exitcode = 0; - (void) GetExitCodeProcess (vchild.hProcess, &exitcode); - vchild->exitcode = (exitcode & 0xff) << 8; - sigproc_printf ("non-cygwin exit value is %p", exitcode); - } res = false; break; default: |