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/* cygtls.h
Copyright 2003 Red Hat, Inc.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#ifndef _CYGTLS_H
#define _CYGTLS_H
#include <cygwin/signal.h>
#define CYGTLS_INITIALIZED 0x43227
#define CYGTLS_EXCEPTION (0x43227 + true)
/* Please keep this file simple. Changes to the below structure may require
acompanying changes to the very simple parser in the perl script
'gentls_offsets' (<<-- start parsing here). */
#pragma pack(push,4)
typedef __uint32_t __stack_t;
struct _threadinfo
{
void (*func) /*gentls_offsets*/(int)/*gentls_offsets*/;
int saved_errno;
int sa_flags;
sigset_t oldmask;
sigset_t newmask;
HANDLE event;
int *errno_addr;
unsigned initialized;
sigset_t sigmask;
sigset_t sigwait_mask;
siginfo_t *sigwait_info;
siginfo_t infodata;
struct pthread *tid;
struct _threadinfo *prev, *next;
__stack_t stack[8];
int sig;
__stack_t *stackptr;
/*gentls_offsets*/
static CRITICAL_SECTION protect_linked_list;
static void init ();
void init_thread (void *);
static void call (DWORD (*) (void *, void *), void *);
void call2 (DWORD (*) (void *, void *), void *, void *);
static struct _threadinfo *find_tls (int sig);
void remove ();
void push (__stack_t, bool = false);
__stack_t pop ();
bool isinitialized () {return initialized == CYGTLS_INITIALIZED || initialized == CYGTLS_EXCEPTION;}
void set_state (bool);
void reset_exception ();
bool interrupt_now (CONTEXT *, int, void *, struct sigaction&)
__attribute__((regparm(3)));
void __stdcall interrupt_setup (int sig, void *handler, struct sigaction& siga, __stack_t retaddr)
__attribute__((regparm(3)));
operator HANDLE () const {return tid->win32_obj_id;}
/*gentls_offsets*/
};
#pragma pack(pop)
extern char *_tlsbase __asm__ ("%fs:4");
extern char *_tlstop __asm__ ("%fs:8");
#define _my_tls (((_threadinfo *) _tlsbase)[-1])
extern _threadinfo *_main_tls;
#define CYGTLS_PADSIZE (sizeof (_threadinfo) + 64)
#endif /*_CYGTLS_H*/
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