+2014-07-15 Christopher Faylor <me.cygwin2014@cgf.cx>
+
+ * sigproc.cc (sigproc_init): Set aside more buffer space for signal
+ pipes.
+ (sig_send): Retry WriteFiles which fail when there is no error but
+ packbytes have not been sent.
+
2014-07-15 Christopher Faylor <me.cygwin2014@cgf.cx>
* sigproc.cc (send_sig): Don't report an error if WriteFile succeeds.
char char_sa_buf[1024];
PSECURITY_ATTRIBUTES sa = sec_user_nih ((PSECURITY_ATTRIBUTES) char_sa_buf, cygheap->user.sid());
DWORD err = fhandler_pipe::create (sa, &my_readsig, &my_sendsig,
- sizeof (sigpacket), "sigwait",
+ NSIG * sizeof (sigpacket), "sigwait",
PIPE_ADD_PID);
if (err)
{
}
DWORD nb;
- if (!WriteFile (sendsig, leader, packsize, &nb, NULL))
+ BOOL res;
+ /* Try multiple times to send if packsize != nb since that probably
+ means that the pipe buffer is full. */
+ for (int i = 0; i < 100; i++)
+ {
+ res = WriteFile (sendsig, leader, packsize, &nb, NULL);
+ if (!res || packsize == nb)
+ break;
+ Sleep (10);
+ res = 0;
+ }
+
+ if (!res)
{
/* Couldn't send to the pipe. This probably means that the
process is exiting. */