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* cygthread.cc (cygthread::release): Reset ev here if it exists.

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(cygthread::terminate_thread): Eliminat racy code which reset ev and
thread_sync.  Remove a few nonsensical inuse checks.  Exit at the bottom.
(cygthread::detach): Rewrite to again try to ensure that we don't say we're
signalled when we are not signalled.
* fhandler.cc (fhandler_base::raw_read): Revert to signalling read success
quickly.
* pipe.cc (fhandler_pipe::close): Use base method to close handle.
* sigproc.h (WAIT_SIG_PRIORITY): Just trundle along at normal priority to allow
the pipe thread to do its thing if possible.
* pinfo.h (pinfo::zap_cwd): Declare new function.
(pinfo::zap_cwd): Move 'cd out of the way code' here.
(pinfo::exit): Use it here.
* spawn.cc (spawn_guts): And here.
This commit is contained in:
Christopher Faylor
2005-02-11 15:24:15 +00:00
parent 199bf79367
commit cc9440b6f4
8 changed files with 168 additions and 66 deletions
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16
winsup/cygwin/pinfo.cc
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@@ -123,6 +123,16 @@ pinfo::maybe_set_exit_code_from_windows ()
self->pid, oexitcode, x, self->exitcode);
}
void
pinfo::zap_cwd ()
{
extern char windows_system_directory[];
/* Move to an innocuous location to avoid a race with other processes
that may want to manipulate the current directory before this
process has completely exited. */
(void) SetCurrentDirectory (windows_system_directory);
}
void
pinfo::exit (DWORD n)
{
@@ -144,11 +154,7 @@ pinfo::exit (DWORD n)
if (n != EXITCODE_NOSET)
{
extern char windows_system_directory[];
/* Move to an innocuous location to avoid a race with other processes
that may want to manipulate the current directory before this
process has completely exited. */
(void) SetCurrentDirectory (windows_system_directory);
zap_cwd ();
self->alert_parent (0); /* Shave a little time by telling our
parent that we have now exited. */
}