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* fork.cc (fork_parent): Return EAGAIN when can't record pid.

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* pinfo.h (pinfo::remember): Return value of call to proc_subproc.
* sigproc.cc (proc_subproc): Return error if can't record pid.
This commit is contained in:
Christopher Faylor
2001-02-10 04:20:52 +00:00
parent 1e667f61b7
commit cde0c2fbca
4 changed files with 26 additions and 6 deletions
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17
winsup/cygwin/fork.cc
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@ -514,13 +514,24 @@ out:
be called in subproc handling. */
ProtectHandle1 (pi.hProcess, childhProc);
slow_pid_reuse (pi.hProcess);
/* Fill in fields in the child's process table entry. */
forked->hProcess = pi.hProcess;
forked->dwProcessId = pi.dwProcessId;
forked->copysigs(myself);
forked.remember ();
/* Hopefully, this will succeed. The alternative to doing things this
way is to reserve space prior to calling CreateProcess and then fill
it in afterwards. This requires more bookkeeping than I like, though,
so we'll just do it the easy way. So, terminate any child process if
we can't actually record the pid in the internal table. */
if (!forked.remember ())
{
TerminateProcess (pi.hProcess, 1);
set_errno (EAGAIN);
goto cleanup;
}
slow_pid_reuse (pi.hProcess);
/* Wait for subproc to initialize itself. */
if (!sync_with_child(pi, subproc_ready, TRUE, "waiting for longjmp"))