2003-11-28 21:55:59 +01:00
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/* cygtls.h
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Copyright 2003 Red Hat, Inc.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#ifndef _CYGTLS_H
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#define _CYGTLS_H
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#include <cygwin/signal.h>
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#define CYGTLS_INITIALIZED 0x43227
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#define CYGTLS_EXCEPTION (0x43227 + true)
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/* Please keep this file simple. Changes to the below structure may require
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acompanying changes to the very simple parser in the perl script
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2003-12-06 19:08:38 +01:00
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'gentls_offsets' (<<-- start parsing here). */
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2003-11-28 21:55:59 +01:00
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#pragma pack(push,4)
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typedef __uint32_t __stack_t;
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struct _threadinfo
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{
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void (*func) /*gentls_offsets*/(int)/*gentls_offsets*/;
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int saved_errno;
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int sa_flags;
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sigset_t oldmask;
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sigset_t newmask;
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HANDLE event;
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int *errno_addr;
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unsigned initialized;
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sigset_t sigmask;
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sigset_t sigwait_mask;
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siginfo_t *sigwait_info;
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siginfo_t infodata;
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2003-11-29 01:26:40 +01:00
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struct pthread *tid;
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2003-11-28 21:55:59 +01:00
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struct _threadinfo *prev, *next;
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__stack_t stack[8];
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int sig;
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__stack_t *stackptr;
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2003-12-06 19:08:38 +01:00
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/*gentls_offsets*/
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static CRITICAL_SECTION protect_linked_list;
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static void init ();
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void init_thread (void *);
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2003-12-03 06:21:55 +01:00
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static void call (void (*) (void *, void *), void *);
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void call2 (void (*) (void *, void *), void *, void *);
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2003-11-28 21:55:59 +01:00
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void remove ();
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void push (__stack_t, bool = false);
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__stack_t pop ();
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bool isinitialized () {return initialized == CYGTLS_INITIALIZED || initialized == CYGTLS_EXCEPTION;}
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void set_state (bool);
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void reset_exception ();
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bool interrupt_now (CONTEXT *, int, void *, struct sigaction&)
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__attribute__((regparm(3)));
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void __stdcall interrupt_setup (int sig, void *handler, struct sigaction& siga, __stack_t retaddr)
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__attribute__((regparm(3)));
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2003-11-29 01:26:40 +01:00
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operator HANDLE () const {return tid->win32_obj_id;}
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2003-12-06 19:08:38 +01:00
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/*gentls_offsets*/
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2003-11-28 21:55:59 +01:00
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};
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#pragma pack(pop)
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extern _threadinfo *_tlsbase __asm__ ("%fs:4");
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#define _my_tls (_tlsbase[-1])
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#define CYGTLS_PADSIZE (sizeof (_threadinfo) + 64)
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#endif /*_CYGTLS_H*/
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