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/* sigproc.h
Copyright 1997, 1998, 2000, 2001, 2002, 2003 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>
#define EXIT_SIGNAL 0x010000
#define EXIT_REPARENTING 0x020000
#define EXIT_NOCLOSEALL 0x040000
#ifdef NSIG
enum
{
__SIGFLUSH = -(NSIG + 1),
__SIGSTRACE = -(NSIG + 2),
__SIGCOMMUNE = -(NSIG + 3),
__SIGPENDING = -(NSIG + 4)
};
#endif
#define SIG_BAD_MASK (1 << (SIGKILL - 1))
enum procstuff
{
PROC_ADDCHILD = 1, // add a new subprocess to list
PROC_CHILDTERMINATED = 2, // a child died
PROC_CLEARWAIT = 3, // clear all waits - signal arrived
PROC_WAIT = 4, // setup for wait() for subproc
PROC_NOTHING = 5 // nothing, really
};
typedef struct struct_waitq
{
int pid;
int options;
int status;
HANDLE ev;
void *rusage; /* pointer to potential rusage */
struct struct_waitq *next;
HANDLE thread_ev;
} waitq;
extern HANDLE signal_arrived;
extern HANDLE sigCONT;
bool __stdcall my_parent_is_alive ();
int __stdcall sig_dispatch_pending ();
#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 ();
extern "C" int __stdcall call_signal_handler_now ();
#ifdef _CYGTLS_H
int __stdcall sig_handle (int, sigset_t, int, _threadinfo *) __attribute__ ((regparm (3)));
#endif
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 subproc_init ();
void __stdcall sigproc_terminate ();
bool __stdcall proc_exists (_pinfo *) __attribute__ ((regparm(1)));
bool __stdcall pid_exists (pid_t) __attribute__ ((regparm(1)));
int __stdcall sig_send (_pinfo *, int, void * = NULL) __attribute__ ((regparm(3)));
void __stdcall signal_fixup_after_fork ();
void __stdcall signal_fixup_after_exec ();
void __stdcall wait_for_sigthread ();
void __stdcall sigalloc ();
extern char myself_nowait_dummy[];
extern struct sigaction *global_sigs;
#define WAIT_SIG_PRIORITY THREAD_PRIORITY_TIME_CRITICAL
#define myself_nowait ((_pinfo *)myself_nowait_dummy)
#endif /*_SIGPROC_H*/
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