newlib/winsup/cygwin/sigproc.h
Christopher Faylor 1a9a235a5a * debug.cc (delete_handle): Report on handle value in debugging output.
* pinfo.h (_pinfo::exists): Declare "new" function.
(_pinfo::kill): Ditto.
* fhandler_termios.cc (tty_min::kill_pgrp): Use _pinfo::exists rather than
proc_exists.
* pinfo.cc (pinfo::init): Ditto.  Don't do a low_priority_sleep(0) when looping
to find exec'ed procinfo.
(pinfo::release): Be more careful about unmapping and closing.
* signal.cc (_pinfo::kill): Rename from kill_worker.  Accommodate entry into
_pinfo class.
(kill0): Use _pinfo::kill rather than kill_worker.
(kill_pgrp): Ditto.  Use _pinfo::exists rather than proc_exists.
* sigproc.cc (_pinfo::exists): Rename from proc_exists.
(pid_exists): Use _pinfo::exists rather than proc_exists.
(remove_proc): Ditto.
* sigproc.h (proc_exists): Delete declaration.
2005-02-26 20:50:25 +00:00

94 lines
2.5 KiB
C++

/* sigproc.h
Copyright 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#ifndef _SIGPROC_H
#define _SIGPROC_H
#include <signal.h>
#ifdef NSIG
enum
{
__SIGFLUSH = -(NSIG + 1),
__SIGSTRACE = -(NSIG + 2),
__SIGCOMMUNE = -(NSIG + 3),
__SIGPENDING = -(NSIG + 4),
__SIGDELETE = -(NSIG + 5),
__SIGFLUSHFAST = -(NSIG + 6),
__SIGHOLD = -(NSIG + 7),
__SIGNOHOLD = -(NSIG + 8)
};
#endif
#define SIG_BAD_MASK (1 << (SIGKILL - 1))
enum procstuff
{
PROC_ADDCHILD = 1, // add a new subprocess to list
PROC_DETACHED_CHILD = 2, // set up a detached child
PROC_CLEARWAIT = 3, // clear all waits - signal arrived
PROC_WAIT = 4, // setup for wait() for subproc
PROC_NOTHING = 5 // nothing, really
};
struct sigpacket
{
siginfo_t si;
pid_t pid;
class _cygtls *tls;
sigset_t *mask;
union
{
HANDLE wakeup;
struct sigpacket *next;
};
int __stdcall process () __attribute__ ((regparm (1)));
};
extern HANDLE signal_arrived;
extern HANDLE sigCONT;
void __stdcall sig_dispatch_pending (bool fast = false);
#ifdef _PINFO_H
extern "C" void __stdcall set_signal_mask (sigset_t newmask, sigset_t = myself->getsigmask ());
#endif
int __stdcall handle_sigprocmask (int sig, const sigset_t *set,
sigset_t *oldset, sigset_t& opmask)
__attribute__ ((regparm (3)));
extern "C" void __stdcall reset_signal_arrived ();
void __stdcall sig_clear (int) __attribute__ ((regparm (1)));
void __stdcall sig_set_pending (int) __attribute__ ((regparm (1)));
int __stdcall handle_sigsuspend (sigset_t);
int __stdcall proc_subproc (DWORD, DWORD) __attribute__ ((regparm (2)));
class _pinfo;
void __stdcall proc_terminate ();
void __stdcall sigproc_init ();
void __stdcall sigproc_terminate ();
bool __stdcall pid_exists (pid_t) __attribute__ ((regparm(1)));
int __stdcall sig_send (_pinfo *, siginfo_t&, class _cygtls *tls = NULL) __attribute__ ((regparm (3)));
int __stdcall sig_send (_pinfo *, int) __attribute__ ((regparm (2)));
void __stdcall signal_fixup_after_exec ();
void __stdcall wait_for_sigthread ();
void __stdcall sigalloc ();
int kill_pgrp (pid_t, siginfo_t&);
int killsys (pid_t, int);
extern char myself_nowait_dummy[];
extern struct sigaction *global_sigs;
#define WAIT_SIG_PRIORITY THREAD_PRIORITY_NORMAL
#define myself_nowait ((_pinfo *)myself_nowait_dummy)
#endif /*_SIGPROC_H*/