143 lines
3.3 KiB
C
143 lines
3.3 KiB
C
/* 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 <signal.h>
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#include <pwd.h>
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#include <grp.h>
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#include <sys/time.h>
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#define _NOMNTENT_FUNCS
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#include <mntent.h>
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#undef _NOMNTENT_FUNCS
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#define CYGTLS_INITIALIZED 0x43227
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#define CYGTLS_EXCEPTION (0x43227 + true)
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#ifndef CYG_MAX_PATH
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# define CYG_MAX_PATH 260
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#endif
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#ifndef UNLEN
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# define UNLEN 256
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#endif
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#pragma pack(push,4)
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struct _local_storage
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{
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/*
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Needed for the group functions
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*/
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struct __group16 grp;
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char *namearray[2];
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int grp_pos;
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/* console.cc */
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unsigned rarg;
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/* dlfcn.cc */
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int dl_error;
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char dl_buffer[256];
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/* passwd.cc */
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struct passwd res;
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char pass[_PASSWORD_LEN];
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int pw_pos;
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/* path.cc */
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struct mntent mntbuf;
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int iteration;
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unsigned available_drives;
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char mnt_type[80];
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char mnt_opts[80];
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char mnt_fsname[CYG_MAX_PATH];
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char mnt_dir[CYG_MAX_PATH];
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/* strerror */
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char strerror_buf[20];
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/* sysloc.cc */
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char *process_ident;
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int process_logopt;
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int process_facility;
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int process_logmask;
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/* times.cc */
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char timezone_buf[20];
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struct tm _localtime_buf;
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/* uinfo.cc */
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char username[UNLEN + 1];
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/* net.cc */
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char *ntoa_buf;
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struct protoent *protoent_buf;
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struct servent *servent_buf;
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struct hostent *hostent_buf;
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};
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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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'gentls_offsets' (<<-- start parsing here). */
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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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struct pthread *tid;
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struct _reent local_clib;
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struct _local_storage locals;
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struct _threadinfo *prev, *next;
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__stack_t *stackptr;
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int sig;
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__stack_t stack[1024];
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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 *) __attribute__ ((regparm (2)));
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static void call (DWORD (*) (void *, void *), void *) __attribute__ ((regparm (3)));
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static void call2 (DWORD (*) (void *, void *), void *, void *) __attribute__ ((regparm (3)));
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static struct _threadinfo *find_tls (int sig);
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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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operator HANDLE () const {return tid->win32_obj_id;}
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/*gentls_offsets*/
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};
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#pragma pack(pop)
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extern char *_tlsbase __asm__ ("%fs:4");
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extern char *_tlstop __asm__ ("%fs:8");
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#define _my_tls (((_threadinfo *) _tlsbase)[-1])
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extern _threadinfo *_main_tls;
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#define __getreent() (&_my_tls.local_clib)
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#define CYGTLS_PADSIZE (sizeof (_threadinfo))
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#endif /*_CYGTLS_H*/
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