* cygthread.h (cygthread::stack_ptr): New element.
(cygthread::detach): Accept a "wait_for_signal" argument. (cygthread::terminate_thread): New function. * cygthread.cc (cygthread::stub): Set stack pointer argument. (cygthread::terminate_thread): New function. Forcibly terminate thread. (cygthread::detach): Optionally wait for signals and kill thread when signal arrives. * exceptions.cc (signal_exit): Set signal_arrived prior to exiting to wake up anything blocking on signals. * fhandler.h (fhandler_base::set_r_no_interrupt): Change to accept bool argument. (fhandler_pipe::ready_for_read): Declare. * pipe.cc (pipeargs): New structure. (read_pipe): New thread stub wrapper for normal pipe read. (fhandler_pipe::read): Modify to call reader in a cygthread, terminating on signal, as appropriate. * select.cc (fhandler_pipe::ready_for_read): Define new function.
This commit is contained in:
Christopher Faylor
parent
ea01c7f5d2
commit
1d380f593a
|
|
@ -1,3 +1,24 @@
|
|||
2002-12-10 Christopher Faylor <cgf@redhat.com>
|
||||
|
||||
* cygthread.h (cygthread::stack_ptr): New element.
|
||||
(cygthread::detach): Accept a "wait_for_signal" argument.
|
||||
(cygthread::terminate_thread): New function.
|
||||
* cygthread.cc (cygthread::stub): Set stack pointer argument.
|
||||
(cygthread::terminate_thread): New function. Forcibly terminate
|
||||
thread.
|
||||
(cygthread::detach): Optionally wait for signals and kill thread when
|
||||
signal arrives.
|
||||
* exceptions.cc (signal_exit): Set signal_arrived prior to exiting to
|
||||
wake up anything blocking on signals.
|
||||
* fhandler.h (fhandler_base::set_r_no_interrupt): Change to accept bool
|
||||
argument.
|
||||
(fhandler_pipe::ready_for_read): Declare.
|
||||
* pipe.cc (pipeargs): New structure.
|
||||
(read_pipe): New thread stub wrapper for normal pipe read.
|
||||
(fhandler_pipe::read): Modify to call reader in a cygthread,
|
||||
terminating on signal, as appropriate.
|
||||
* select.cc (fhandler_pipe::ready_for_read): Define new function.
|
||||
|
||||
2002-12-10 Corinna Vinschen <corinna@vinschen.de>
|
||||
|
||||
* net.cc (free_protoent_ptr): Add missing free() for base structure.
|
||||
|
|
@ -6,16 +27,17 @@
|
|||
|
||||
2002-12-10 Craig McGeachie <slapdau@yahoo.com.au>
|
||||
|
||||
* netdb.cc (parse_alias_list, parse_services_line)
|
||||
(parse_protocol_line): Change strtok calls to strtok_r.
|
||||
* netdb.cc (parse_alias_list): Change strtok calls to strtok_r.
|
||||
(parse_services_line): Ditto.
|
||||
(parse_protocol_line): Ditto.
|
||||
|
||||
2002-12-10 Pierre Humblet <pierre.humblet@ieee.org>
|
||||
|
||||
* pwdgrp.h (pwdgrp_check::pwdgrp_state): Replace by
|
||||
pwdgrp_check::isinitializing ().
|
||||
(pwdgrp_check::isinitializing): Create.
|
||||
* passwd.cc (grab_int): Change type to unsigned, use strtoul and
|
||||
set the pointer content to 0 if the field is invalid.
|
||||
* passwd.cc (grab_int): Change type to unsigned, use strtoul and set
|
||||
the pointer content to 0 if the field is invalid.
|
||||
(parse_pwd): Move validity test after getting pw_gid.
|
||||
(read_etc_passwd): Replace "passwd_state <= " by
|
||||
passwd_state::isinitializing ().
|
||||
|
|
@ -23,7 +45,7 @@
|
|||
(internal_getpwnam): Ditto.
|
||||
(getpwent): Ditto.
|
||||
(getpass): Ditto.
|
||||
* grp.cc (parse_grp): Use strtoul for gr_gid and verify the validity.
|
||||
* grp.cc (parse_grp): Use strtoul for gr_gid and verify the validity.
|
||||
(read_etc_group): Replace "group_state <= " by
|
||||
group_state::isinitializing ().
|
||||
(internal_getgrgid): Ditto.
|
||||
|
|
|
|||
|
|
@ -9,14 +9,17 @@ details. */
|
|||
#include "winsup.h"
|
||||
#include <windows.h>
|
||||
#include <stdlib.h>
|
||||
#include <errno.h>
|
||||
#include "exceptions.h"
|
||||
#include "security.h"
|
||||
#include "cygthread.h"
|
||||
#include "sync.h"
|
||||
#include "cygerrno.h"
|
||||
#include "sigproc.h"
|
||||
|
||||
#undef CloseHandle
|
||||
|
||||
static cygthread NO_COPY threads[9];
|
||||
static cygthread NO_COPY threads[18];
|
||||
#define NTHREADS (sizeof (threads) / sizeof (threads[0]))
|
||||
|
||||
DWORD NO_COPY cygthread::main_thread_id;
|
||||
|
|
@ -37,11 +40,12 @@ cygthread::stub (VOID *arg)
|
|||
|
||||
cygthread *info = (cygthread *) arg;
|
||||
if (info->arg == cygself)
|
||||
info->ev = info->thread_sync = NULL;
|
||||
info->ev = info->thread_sync = info->stack_ptr = NULL;
|
||||
else
|
||||
{
|
||||
info->ev = CreateEvent (&sec_none_nih, TRUE, FALSE, NULL);
|
||||
info->thread_sync = CreateEvent (&sec_none_nih, FALSE, FALSE, NULL);
|
||||
info->stack_ptr = &arg;
|
||||
}
|
||||
while (1)
|
||||
{
|
||||
|
|
@ -231,22 +235,72 @@ cygthread::exit_thread ()
|
|||
ExitThread (0);
|
||||
}
|
||||
|
||||
/* Forcibly terminate a thread. */
|
||||
void
|
||||
cygthread::terminate_thread ()
|
||||
{
|
||||
if (!is_freerange)
|
||||
SetEvent (*this);
|
||||
(void) TerminateThread (h, 0);
|
||||
(void) WaitForSingleObject (h, INFINITE);
|
||||
|
||||
MEMORY_BASIC_INFORMATION m;
|
||||
memset (&m, 0, sizeof (m));
|
||||
(void) VirtualQuery (stack_ptr, &m, sizeof m);
|
||||
|
||||
if (m.RegionSize)
|
||||
(void) VirtualFree (m.AllocationBase, m.RegionSize, MEM_DECOMMIT);
|
||||
|
||||
if (is_freerange)
|
||||
is_freerange = false;
|
||||
else
|
||||
{
|
||||
CloseHandle (ev);
|
||||
CloseHandle (thread_sync);
|
||||
}
|
||||
CloseHandle (h);
|
||||
thread_sync = ev = h = NULL;
|
||||
__name = NULL;
|
||||
id = 0;
|
||||
}
|
||||
|
||||
/* Detach the cygthread from the current thread. Note that the
|
||||
theory is that cygthreads are only associated with one thread.
|
||||
So, there should be no problems with multiple threads doing waits
|
||||
on the one cygthread. */
|
||||
void
|
||||
cygthread::detach ()
|
||||
cygthread::detach (bool wait_for_sig)
|
||||
{
|
||||
if (avail)
|
||||
system_printf ("called detach on available thread %d?", avail);
|
||||
else
|
||||
{
|
||||
DWORD avail = id;
|
||||
DWORD res = WaitForSingleObject (*this, INFINITE);
|
||||
thread_printf ("WFSO returns %d, id %p", res, id);
|
||||
DWORD res;
|
||||
|
||||
if (is_freerange)
|
||||
if (!wait_for_sig)
|
||||
res = WaitForSingleObject (*this, INFINITE);
|
||||
else
|
||||
{
|
||||
HANDLE w4[2];
|
||||
w4[0] = signal_arrived;
|
||||
w4[1] = *this;
|
||||
res = WaitForMultipleObjects (2, w4, FALSE, INFINITE);
|
||||
if (res == WAIT_OBJECT_0)
|
||||
{
|
||||
terminate_thread ();
|
||||
set_errno (EINTR); /* caller should be dealing with return
|
||||
values. */
|
||||
avail = 0;
|
||||
}
|
||||
}
|
||||
|
||||
thread_printf ("%s returns %d, id %p", wait_for_sig ? "WFMO" : "WFSO",
|
||||
res, id);
|
||||
|
||||
if (!avail)
|
||||
/* already handled */;
|
||||
else if (is_freerange)
|
||||
{
|
||||
CloseHandle (h);
|
||||
free (this);
|
||||
|
|
|
|||
|
|
@ -13,6 +13,7 @@ class cygthread
|
|||
HANDLE h;
|
||||
HANDLE ev;
|
||||
HANDLE thread_sync;
|
||||
void *stack_ptr;
|
||||
const char *__name;
|
||||
LPTHREAD_START_ROUTINE func;
|
||||
VOID *arg;
|
||||
|
|
@ -26,12 +27,13 @@ class cygthread
|
|||
cygthread (LPTHREAD_START_ROUTINE, LPVOID, const char *);
|
||||
cygthread () {};
|
||||
static void init ();
|
||||
void detach ();
|
||||
void detach (bool = false);
|
||||
operator HANDLE ();
|
||||
static bool is ();
|
||||
void * operator new (size_t);
|
||||
static cygthread *freerange ();
|
||||
void exit_thread ();
|
||||
void terminate_thread ();
|
||||
static void terminate ();
|
||||
bool SetThreadPriority (int nPriority) {return ::SetThreadPriority (h, nPriority);}
|
||||
void zap_h ()
|
||||
|
|
|
|||
|
|
@ -1117,6 +1117,7 @@ signal_exit (int rc)
|
|||
TerminateProcess (hExeced, rc);
|
||||
|
||||
sigproc_printf ("about to call do_exit (%x)", rc);
|
||||
(void) SetEvent (signal_arrived);
|
||||
do_exit (rc);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -219,7 +219,7 @@ class fhandler_base
|
|||
int get_default_fmode (int flags);
|
||||
|
||||
bool get_r_no_interrupt () { return FHISSETF (NOEINTR); }
|
||||
void set_r_no_interrupt (int b) { FHCONDSETF (b, NOEINTR); }
|
||||
void set_r_no_interrupt (bool b) { FHCONDSETF (b, NOEINTR); }
|
||||
|
||||
bool get_close_on_exec () { return FHISSETF (CLOEXEC); }
|
||||
int set_close_on_exec_flag (int b) { return FHCONDSETF (b, CLOEXEC); }
|
||||
|
|
@ -473,6 +473,7 @@ class fhandler_pipe: public fhandler_base
|
|||
void set_eof () {broken_pipe = true;}
|
||||
friend int make_pipe (int fildes[2], unsigned int psize, int mode);
|
||||
HANDLE get_guard () const {return guard;}
|
||||
int ready_for_read (int fd, DWORD howlong);
|
||||
};
|
||||
|
||||
class fhandler_dev_raw: public fhandler_base
|
||||
|
|
|
|||
|
|
@ -22,6 +22,7 @@ details. */
|
|||
#include "cygheap.h"
|
||||
#include "thread.h"
|
||||
#include "pinfo.h"
|
||||
#include "cygthread.h"
|
||||
|
||||
static unsigned pipecount;
|
||||
static const NO_COPY char pipeid_fmt[] = "stupid_pipe.%u.%u";
|
||||
|
|
@ -50,14 +51,36 @@ fhandler_pipe::set_close_on_exec (int val)
|
|||
set_inheritance (writepipe_exists, val);
|
||||
}
|
||||
|
||||
struct pipeargs
|
||||
{
|
||||
fhandler_base *fh;
|
||||
void *ptr;
|
||||
size_t len;
|
||||
int res;
|
||||
};
|
||||
|
||||
static DWORD WINAPI
|
||||
read_pipe (void *arg)
|
||||
{
|
||||
pipeargs *pi = (pipeargs *) arg;
|
||||
pi->res = pi->fh->fhandler_base::read (pi->ptr, pi->len);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int __stdcall
|
||||
fhandler_pipe::read (void *in_ptr, size_t in_len)
|
||||
{
|
||||
if (broken_pipe)
|
||||
return 0;
|
||||
int res = this->fhandler_base::read (in_ptr, in_len);
|
||||
pipeargs pi;
|
||||
pi.fh = this;
|
||||
pi.ptr = in_ptr;
|
||||
pi.len = in_len;
|
||||
pi.res = -1;
|
||||
cygthread *th = new cygthread (read_pipe, &pi, "read_pipe");
|
||||
th->detach (1);
|
||||
(void) ReleaseMutex (guard);
|
||||
return res;
|
||||
return pi.res;
|
||||
}
|
||||
|
||||
int fhandler_pipe::close ()
|
||||
|
|
|
|||
|
|
@ -431,7 +431,7 @@ peek_pipe (select_record *s, bool from_select)
|
|||
{
|
||||
case FH_PTYM:
|
||||
case FH_TTYM:
|
||||
if (((fhandler_pty_master *)fh)->need_nl)
|
||||
if (((fhandler_pty_master *) fh)->need_nl)
|
||||
{
|
||||
gotone = s->read_ready = true;
|
||||
goto out;
|
||||
|
|
@ -521,7 +521,7 @@ struct pipeinf
|
|||
static DWORD WINAPI
|
||||
thread_pipe (void *arg)
|
||||
{
|
||||
pipeinf *pi = (pipeinf *)arg;
|
||||
pipeinf *pi = (pipeinf *) arg;
|
||||
BOOL gotone = FALSE;
|
||||
|
||||
for (;;)
|
||||
|
|
@ -563,18 +563,18 @@ start_thread_pipe (select_record *me, select_stuff *stuff)
|
|||
pipeinf *pi = new pipeinf;
|
||||
pi->start = &stuff->start;
|
||||
pi->stop_thread_pipe = FALSE;
|
||||
pi->thread = new cygthread (thread_pipe, (LPVOID)pi, "select_pipe");
|
||||
pi->thread = new cygthread (thread_pipe, (LPVOID) pi, "select_pipe");
|
||||
me->h = *pi->thread;
|
||||
if (!me->h)
|
||||
return 0;
|
||||
stuff->device_specific[FHDEVN (FH_PIPE)] = (void *)pi;
|
||||
stuff->device_specific[FHDEVN (FH_PIPE)] = (void *) pi;
|
||||
return 1;
|
||||
}
|
||||
|
||||
static void
|
||||
pipe_cleanup (select_record *, select_stuff *stuff)
|
||||
{
|
||||
pipeinf *pi = (pipeinf *)stuff->device_specific[FHDEVN (FH_PIPE)];
|
||||
pipeinf *pi = (pipeinf *) stuff->device_specific[FHDEVN (FH_PIPE)];
|
||||
if (pi && pi->thread)
|
||||
{
|
||||
pi->stop_thread_pipe = true;
|
||||
|
|
@ -584,6 +584,16 @@ pipe_cleanup (select_record *, select_stuff *stuff)
|
|||
}
|
||||
}
|
||||
|
||||
int
|
||||
fhandler_pipe::ready_for_read (int fd, DWORD howlong)
|
||||
{
|
||||
if (!howlong)
|
||||
return this->fhandler_base::ready_for_read (fd, howlong);
|
||||
|
||||
get_guard ();
|
||||
return true;
|
||||
}
|
||||
|
||||
select_record *
|
||||
fhandler_pipe::select_read (select_record *s)
|
||||
{
|
||||
|
|
@ -631,7 +641,7 @@ static int
|
|||
peek_console (select_record *me, bool)
|
||||
{
|
||||
extern const char * get_nonascii_key (INPUT_RECORD& input_rec, char *);
|
||||
fhandler_console *fh = (fhandler_console *)me->fh;
|
||||
fhandler_console *fh = (fhandler_console *) me->fh;
|
||||
|
||||
if (!me->read_selected)
|
||||
return me->write_ready;
|
||||
|
|
@ -748,19 +758,19 @@ fhandler_console::select_except (select_record *s)
|
|||
select_record *
|
||||
fhandler_tty_common::select_read (select_record *s)
|
||||
{
|
||||
return ((fhandler_pipe*)this)->fhandler_pipe::select_read (s);
|
||||
return ((fhandler_pipe *) this)->fhandler_pipe::select_read (s);
|
||||
}
|
||||
|
||||
select_record *
|
||||
fhandler_tty_common::select_write (select_record *s)
|
||||
{
|
||||
return ((fhandler_pipe *)this)->fhandler_pipe::select_write (s);
|
||||
return ((fhandler_pipe *) this)->fhandler_pipe::select_write (s);
|
||||
}
|
||||
|
||||
select_record *
|
||||
fhandler_tty_common::select_except (select_record *s)
|
||||
{
|
||||
return ((fhandler_pipe *)this)->fhandler_pipe::select_except (s);
|
||||
return ((fhandler_pipe *) this)->fhandler_pipe::select_except (s);
|
||||
}
|
||||
|
||||
static int
|
||||
|
|
@ -846,7 +856,7 @@ peek_serial (select_record *s, bool)
|
|||
{
|
||||
COMSTAT st;
|
||||
|
||||
fhandler_serial *fh = (fhandler_serial *)s->fh;
|
||||
fhandler_serial *fh = (fhandler_serial *) s->fh;
|
||||
|
||||
if (fh->get_readahead_valid () || fh->overlapped_armed < 0)
|
||||
return s->read_ready = true;
|
||||
|
|
@ -944,7 +954,7 @@ err:
|
|||
static DWORD WINAPI
|
||||
thread_serial (void *arg)
|
||||
{
|
||||
serialinf *si = (serialinf *)arg;
|
||||
serialinf *si = (serialinf *) arg;
|
||||
BOOL gotone= FALSE;
|
||||
|
||||
for (;;)
|
||||
|
|
@ -980,16 +990,16 @@ start_thread_serial (select_record *me, select_stuff *stuff)
|
|||
serialinf *si = new serialinf;
|
||||
si->start = &stuff->start;
|
||||
si->stop_thread_serial = FALSE;
|
||||
si->thread = new cygthread (thread_serial, (LPVOID)si, "select_serial");
|
||||
si->thread = new cygthread (thread_serial, (LPVOID) si, "select_serial");
|
||||
me->h = *si->thread;
|
||||
stuff->device_specific[FHDEVN (FH_SERIAL)] = (void *)si;
|
||||
stuff->device_specific[FHDEVN (FH_SERIAL)] = (void *) si;
|
||||
return 1;
|
||||
}
|
||||
|
||||
static void
|
||||
serial_cleanup (select_record *, select_stuff *stuff)
|
||||
{
|
||||
serialinf *si = (serialinf *)stuff->device_specific[FHDEVN (FH_SERIAL)];
|
||||
serialinf *si = (serialinf *) stuff->device_specific[FHDEVN (FH_SERIAL)];
|
||||
if (si && si->thread)
|
||||
{
|
||||
si->stop_thread_serial = true;
|
||||
|
|
@ -1200,7 +1210,7 @@ static int start_thread_socket (select_record *, select_stuff *);
|
|||
static DWORD WINAPI
|
||||
thread_socket (void *arg)
|
||||
{
|
||||
socketinf *si = (socketinf *)arg;
|
||||
socketinf *si = (socketinf *) arg;
|
||||
|
||||
select_printf ("stuff_start %p", &si->start);
|
||||
int r = WINSOCK_SELECT (0, &si->readfds, &si->writefds, &si->exceptfds, NULL);
|
||||
|
|
@ -1243,7 +1253,7 @@ start_thread_socket (select_record *me, select_stuff *stuff)
|
|||
{
|
||||
socketinf *si;
|
||||
|
||||
if ((si = (socketinf *)stuff->device_specific[FHDEVN (FH_SOCKET)]))
|
||||
if ((si = (socketinf *) stuff->device_specific[FHDEVN (FH_SOCKET)]))
|
||||
{
|
||||
me->h = *si->thread;
|
||||
return 1;
|
||||
|
|
@ -1314,7 +1324,7 @@ start_thread_socket (select_record *me, select_stuff *stuff)
|
|||
stuff->device_specific[FHDEVN (FH_SOCKET)] = (void *) si;
|
||||
si->start = &stuff->start;
|
||||
select_printf ("stuff_start %p", &stuff->start);
|
||||
si->thread = new cygthread (thread_socket, (LPVOID)si, "select_socket");
|
||||
si->thread = new cygthread (thread_socket, (LPVOID) si, "select_socket");
|
||||
me->h = *si->thread;
|
||||
return 1;
|
||||
|
||||
|
|
@ -1327,7 +1337,7 @@ err:
|
|||
void
|
||||
socket_cleanup (select_record *, select_stuff *stuff)
|
||||
{
|
||||
socketinf *si = (socketinf *)stuff->device_specific[FHDEVN (FH_SOCKET)];
|
||||
socketinf *si = (socketinf *) stuff->device_specific[FHDEVN (FH_SOCKET)];
|
||||
select_printf ("si %p si->thread %p", si, si ? si->thread : NULL);
|
||||
if (si && si->thread)
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in New Issue