newlib/winsup/cygwin/sigproc.h
Christopher Faylor b9874a0c14 * cygthread.cc (cygthread::create): Fix incorrect use of name rather than
__name.
* cygthread.h (cygthread::cygthread): Create versions which eliminate 'n'
parameter.
* dcrt0.cc (dll_crt0_1): Remove check for threadfunc_ix.  Remove obsolete
comments.  Set process_state to active here.
* fhandler_netdrive.cc (create_thread_and_wait): Use shortened cygthread
constructor.
* timer.cc (timer_tracker::settime): Ditto.
* window.cc (HWND): Ditto.
* fhandler_tty.cc: Use shortened cygthread constructor, where appropriate,
throughout.
* select.cc: Ditto.
* fork.cc (frok::child): Remove wait_for_sigthread.
(fork): Reformat if for slightly better clarity.
* init.cc (dll_finished_loading): New variable.
(dll_entry): Use dll_finished_loading to determine when we should call
merge_threadfunc.
* sigproc.cc (no_signals_available): Simplify by using my_readsig.
(wait_sig_inited): Delete.
(wait_sig): Define as void function.
(pending_signals): Accommodate change to wait_sig definition.
(wait_for_sigthread): Delete definition.
(sigproc_init): Initialize signal pipe here, before wait_sig thread is created.
Use void form of cygthread creation.
(init_sig_pipe): Delete.
(wait_sig): Return void rather than DWORD.  Assume previous initialization of
signal pipe.  Set my_sendsig to NULL when exiting.
* sigproc.h (wait_for_sigthread): Delete declaration.
2010-09-01 18:24:11 +00:00

96 lines
2.5 KiB
C++

/* sigproc.h
Copyright 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006 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),
__SIGEXIT = -(NSIG + 9)
};
#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;
HANDLE thread_handle;
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&);
#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 ();
#ifdef __INSIDE_CYGWIN__
void __stdcall sigproc_terminate (enum exit_states);
#endif
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 sigalloc ();
void __stdcall create_signal_arrived ();
int kill_pgrp (pid_t, siginfo_t&);
int killsys (pid_t, int);
extern char myself_nowait_dummy[];
extern struct sigaction *global_sigs;
#define myself_nowait ((_pinfo *) myself_nowait_dummy)
#endif /*_SIGPROC_H*/