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* miscfuncs.cc (low_priority_sleep): New function. Use throughout where code

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is supposed to be giving up time slice.
* fhandler_console.cc (fhandler_console::read): Switch button 2/3 output escape
sequences to be consistent with xterm.
This commit is contained in:
Christopher Faylor 2002-11-13 19:36:12 +00:00
parent e91ec2e3e6
commit c0a02a4b42
13 changed files with 38 additions and 26 deletions
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8
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,11 @@
2002-11-13 Christopher Faylor <cgf@redhat.com>
* miscfuncs.cc (low_priority_sleep): New function. Use throughout
where code is supposed to be giving up time slice.
* fhandler_console.cc (fhandler_console::read): Switch button 2/3
output escape sequences to be consistent with xterm.
2002-11-12 Pierre Humblet <pierre.humblet@ieee.org>
* syscalls.cc (chmod): Simplify conditional.

4
winsup/cygwin/autoload.cc
View File

@ -214,7 +214,7 @@ std_dll_init ()
do
{
InterlockedDecrement (&dll->here);
Sleep (0);
low_priority_sleep (0);
}
while (InterlockedIncrement (&dll->here));
else if (!dll->handle)
@ -263,7 +263,7 @@ wsock_init ()
while (InterlockedIncrement (&here))
{
InterlockedDecrement (&here);
Sleep (0);
low_priority_sleep (0);
}
if (!wsock_started && (winsock_active || winsock2_active))

6
winsup/cygwin/cygthread.cc
View File

@ -170,11 +170,11 @@ cygthread::cygthread (LPTHREAD_START_ROUTINE start, LPVOID param,
thread_printf ("name %s, id %p", name, id);
while (!h)
#ifndef DEBUGGING
Sleep (0);
low_priority_sleep (0);
#else
{
thread_printf ("waiting for %s<%p> to become active", __name, h);
Sleep (0);
low_priority_sleep (0);
}
#endif
__name = name;
@ -217,7 +217,7 @@ cygthread::operator
HANDLE ()
{
while (!ev)
Sleep (0);
low_priority_sleep (0);
return ev;
}

6
winsup/cygwin/exceptions.cc
View File

@ -666,7 +666,7 @@ sigthread::get_winapi_lock (int test)
/* Need to do a busy loop because we can't block or a potential SuspendThread
will hang. */
while (InterlockedExchange (&winapi_lock, 1))
Sleep (1);
low_priority_sleep (1);
return 1;
}
@ -855,7 +855,7 @@ setup_handler (int sig, void *handler, struct sigaction& siga)
resume_thread:
ResumeThread (hth);
Sleep (0);
low_priority_sleep (0);
continue;
}
@ -879,7 +879,7 @@ setup_handler (int sig, void *handler, struct sigaction& siga)
pending_signals = 1; /* FIXME: Probably need to be more tricky here */
sig_set_pending (sig);
sig_dispatch_pending (1);
Sleep (0); /* Hopefully, other process will be waking up soon. */
low_priority_sleep (0); /* Hopefully, other process will be waking up soon. */
sigproc_printf ("couldn't send signal %d", sig);
}

4
winsup/cygwin/fhandler_console.cc
View File

@ -412,12 +412,12 @@ fhandler_console::read (void *pv, size_t buflen)
}
else if ((mouse_event.dwButtonState & 2) != (dev_state->dwLastButtonState & 2))
{
b = 1;
b = 2;
strcpy (sz, "btn2 down");
}
else if ((mouse_event.dwButtonState & 4) != (dev_state->dwLastButtonState & 4))
{
b = 2;
b = 1;
strcpy (sz, "btn3 down");
}

2
winsup/cygwin/fhandler_serial.cc
View File

@ -508,7 +508,7 @@ fhandler_serial::tcflush (int queue)
COMSTAT st;
if (!PurgeComm (get_handle (), PURGE_RXABORT | PURGE_RXCLEAR))
break;
Sleep (100);
low_priority_sleep (100);
if (!ClearCommError (get_handle (), &ev, &st) || !st.cbInQue)
break;
}

4
winsup/cygwin/fhandler_tty.cc
View File

@ -175,7 +175,7 @@ fhandler_pty_master::accept_input ()
debug_printf ("to_slave pipe is full");
SetEvent (input_available_event);
ReleaseMutex (input_mutex);
Sleep (10);
low_priority_sleep (10);
rc = WaitForSingleObject (input_mutex, INFINITE);
}
}
@ -279,7 +279,7 @@ fhandler_pty_master::process_slave_output (char *buf, size_t len, int pktmode_on
break;
}
Sleep (10);
low_priority_sleep (10);
}
if (ReadFile (handle, outbuf, rlen, &n, NULL) == FALSE)

9
winsup/cygwin/miscfuncs.cc
View File

@ -291,3 +291,12 @@ sys_mbstowcs (WCHAR *tgt, const char *src, int len)
{
return MultiByteToWideChar (get_cp (), 0, src, -1, tgt, len);
}
void __stdcall
low_priority_sleep (DWORD secs)
{
DWORD prio = GetThreadPriority (GetCurrentThread ());
SetThreadPriority (GetCurrentThread (), THREAD_PRIORITY_IDLE);
Sleep (secs);
SetThreadPriority (GetCurrentThread (), prio);
}

9
winsup/cygwin/pinfo.cc
View File

@ -212,7 +212,7 @@ pinfo::init (pid_t n, DWORD flag, HANDLE in_h)
this way at some point. */
if (i < 9 && !created && createit && (procinfo->process_state & PID_EXITED))
{
Sleep (5);
low_priority_sleep (5);
release ();
continue;
}
@ -368,12 +368,7 @@ _pinfo::commune_send (DWORD code)
if (myself->hello_pid <= 0)
break;
else
{
DWORD prio = GetThreadPriority (GetCurrentThread ());
SetThreadPriority (GetCurrentThread (), THREAD_PRIORITY_IDLE);
Sleep (0);
SetThreadPriority (GetCurrentThread (), prio);
}
low_priority_sleep (0);
CloseHandle (tome);
tome = NULL;

2
winsup/cygwin/sched.cc
View File

@ -438,7 +438,7 @@ sched_setscheduler (pid_t pid, int policy,
int
sched_yield (void)
{
Sleep (0);
low_priority_sleep (0);
return 0;
}
}

2
winsup/cygwin/sigproc.cc
View File

@ -886,7 +886,7 @@ getsem (_pinfo *p, const char *str, int init, int max)
sigproc_printf ("pid %d, ppid %d, wait %d, initializing %x", p->pid, p->ppid, wait,
ISSTATE (p, PID_INITIALIZING));
for (int i = 0; ISSTATE (p, PID_INITIALIZING) && i < wait; i++)
Sleep (1);
low_priority_sleep (1);
}
SetLastError (0);

2
winsup/cygwin/thread.cc
View File

@ -862,7 +862,7 @@ pthread_cond::Signal ()
{
InterlockedIncrement (&ExitingWait);
/* give up the cpu to force a context switch. */
Sleep (0);
low_priority_sleep (0);
if (spins == 5)
/* we've had 5 timeslices, and the woken thread still hasn't done it's
* thing - maybe we raced it with the event? */

6
winsup/cygwin/tty.cc
View File

@ -138,7 +138,7 @@ tty_list::terminate (void)
i = 0;
}
Sleep (200);
low_priority_sleep (200);
}
termios_printf ("tty %d master about to finish", ttynum);
@ -218,12 +218,12 @@ tty_list::allocate_tty (int with_console)
SetConsoleTitle (buf);
for (int times = 0; times < 25; times++)
{
Sleep (10);
low_priority_sleep (10);
if ((console = FindWindow (NULL, buf)))
break;
}
SetConsoleTitle (oldtitle);
Sleep (40);
low_priority_sleep (40);
ReleaseMutex (title_mutex);
if (console == NULL)
{