384 lines
11 KiB
C++
384 lines
11 KiB
C++
/* winsup.h: main Cygwin header file.
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Copyright 1996, 1997, 1998, 1999, 2000 Cygnus Solutions.
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This file is part of Cygwin.
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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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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#define __INSIDE_CYGWIN__
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#ifdef __cplusplus
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#define alloca(x) __builtin_alloca (x)
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#define strlen __builtin_strlen
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#define strcpy __builtin_strcpy
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#define memcpy __builtin_memcpy
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#define memcmp __builtin_memcmp
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#ifdef HAVE_BUILTIN_MEMSET
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# define memset __builtin_memset
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#endif
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#if !defined(__STDC_VERSION__) || __STDC_VERSION__ >= 199900L
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#define NEW_MACRO_VARARGS
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#endif
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#include <sys/types.h>
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#include <sys/strace.h>
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#include <sys/resource.h>
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#include <setjmp.h>
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#include <signal.h>
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#include <string.h>
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#undef strchr
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#define strchr cygwin_strchr
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extern "C" inline __stdcall char * strchr(const char * s, int c)
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{
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register char * __res;
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__asm__ __volatile__(
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"movb %%al,%%ah\n"
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"1:\tmovb (%1),%%al\n\t"
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"cmpb %%ah,%%al\n\t"
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"je 2f\n\t"
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"incl %1\n\t"
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"testb %%al,%%al\n\t"
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"jne 1b\n\t"
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"xorl %1,%1\n"
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"2:\tmovl %1,%0\n\t"
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:"=a" (__res), "=r" (s)
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:"0" (c), "1" (s));
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return __res;
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}
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#define WIN32_LEAN_AND_MEAN 1
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#define _WINGDI_H
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#define _WINUSER_H
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#define _WINNLS_H
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#define _WINVER_H
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#define _WINNETWK_H
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#define _WINSVC_H
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#include <windows.h>
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#include <wincrypt.h>
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#undef _WINGDI_H
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#undef _WINUSER_H
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#undef _WINNLS_H
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#undef _WINVER_H
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#undef _WINNETWK_H
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#undef _WINSVC_H
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/* The one function we use from winuser.h most of the time */
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extern "C" DWORD WINAPI GetLastError (void);
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/* Used for runtime OS check/decisions. */
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enum os_type {winNT = 1, win95, win98, win32s, unknown};
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extern os_type os_being_run;
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/* Used to check if Cygwin DLL is dynamically loaded. */
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extern int dynamically_loaded;
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#define sys_wcstombs(tgt,src,len) \
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WideCharToMultiByte(CP_ACP,0,(src),-1,(tgt),(len),NULL,NULL)
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#define sys_mbstowcs(tgt,src,len) \
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MultiByteToWideChar(CP_ACP,0,(src),-1,(tgt),(len))
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#include <cygwin/version.h>
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#define TITLESIZE 1024
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#define MAX_USER_NAME 20
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#define DEFAULT_UID 500
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#define DEFAULT_GID 544
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#define MAX_SID_LEN 40
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#define MAX_HOST_NAME 256
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/* status bit manipulation */
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#define __ISSETF(what, x, prefix) \
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((what)->status & prefix##_##x)
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#define __SETF(what, x, prefix) \
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((what)->status |= prefix##_##x)
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#define __CLEARF(what, x, prefix) \
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((what)->status &= ~prefix##_##x)
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#define __CONDSETF(n, what, x, prefix) \
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((n) ? __SETF (what, x, prefix) : __CLEARF (what, x, prefix))
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#include "shared.h"
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extern HANDLE hMainThread;
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extern HANDLE hMainProc;
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#include "debug.h"
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#include <sys/cygwin.h>
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/********************** Application Interface **************************/
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extern "C" per_process __cygwin_user_data; /* Pointer into application's static data */
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#define user_data (&__cygwin_user_data)
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/* We use the following to test that sizeof hasn't changed. When adding
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or deleting members, insert fillers or use the reserved entries.
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Do not change this value. */
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#define SIZEOF_PER_PROCESS (42 * 4)
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/******************* Host-dependent constants **********************/
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/* Portions of the cygwin DLL require special constants whose values
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are dependent on the host system. Rather than dynamically
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determine those values whenever they are required, initialize these
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values once at process start-up. */
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class host_dependent_constants
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{
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public:
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void init (void);
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/* Used by fhandler_disk_file::lock which needs a platform-specific
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upper word value for locking entire files. */
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DWORD win32_upper;
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/* fhandler_base::open requires host dependent file sharing
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attributes. */
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int shared;
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};
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extern host_dependent_constants host_dependent;
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/* Events/mutexes */
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extern HANDLE title_mutex;
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/**************************** Convenience ******************************/
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#define NO_COPY __attribute__((section(".data_cygwin_nocopy")))
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/* Used when treating / and \ as equivalent. */
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#define SLASH_P(ch) \
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({ \
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char __c = (ch); \
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((__c) == '/' || (__c) == '\\'); \
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})
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/* Convert a signal to a signal mask */
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#define SIGTOMASK(sig) (1<<((sig) - signal_shift_subtract))
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extern unsigned int signal_shift_subtract;
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#ifdef NOSTRACE
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#define MARK() 0
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#else
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#define MARK() mark (__FILE__,__LINE__)
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#endif
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#ifdef NEW_MACRO_VARARGS
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# define api_fatal(...) __api_fatal ("%P: *** " __VA_ARGS__)
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#else
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# define api_fatal(fmt, args...) __api_fatal ("%P: *** " fmt,## args)
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#endif
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#undef issep
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#define issep(ch) (strchr (" \t\n\r", (ch)) != NULL)
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#define isdirsep SLASH_P
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#define isabspath(p) \
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(isdirsep (*(p)) || (isalpha (*(p)) && (p)[1] == ':' && (!(p)[2] || isdirsep ((p)[2]))))
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/******************** Initialization/Termination **********************/
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/* cygwin .dll initialization */
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void dll_crt0 (per_process *);
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extern "C" void __stdcall _dll_crt0 ();
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/* dynamically loaded dll initialization */
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extern "C" int dll_dllcrt0 (HMODULE, per_process*);
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/* dynamically loaded dll initialization for non-cygwin apps */
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extern "C" int dll_noncygwin_dllcrt0 (HMODULE, per_process *);
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/* exit the program */
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extern "C" void __stdcall do_exit (int) __attribute__ ((noreturn));
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/* Initialize the environment */
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void environ_init (int);
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/* Heap management. */
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void heap_init (void);
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void malloc_init (void);
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/* UID/GID */
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void uinfo_init (void);
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/* various events */
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void events_init (void);
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void events_terminate (void);
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void __stdcall close_all_files (void);
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/* Invisible window initialization/termination. */
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HWND __stdcall gethwnd (void);
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void __stdcall window_terminate (void);
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/* Globals that handle initialization of winsock in a child process. */
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extern HANDLE wsock32_handle;
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/* Globals that handle initialization of netapi in a child process. */
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extern HANDLE netapi32_handle;
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/* debug_on_trap support. see exceptions.cc:try_to_debug() */
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extern "C" void error_start_init (const char*);
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extern "C" int try_to_debug ();
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extern int cygwin_finished_initializing;
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/**************************** Miscellaneous ******************************/
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/* File manipulation */
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int __stdcall set_process_privileges ();
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int __stdcall get_file_attribute (int, const char *, int *,
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uid_t * = NULL, gid_t * = NULL);
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int __stdcall set_file_attribute (int, const char *, int);
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int __stdcall set_file_attribute (int, const char *, uid_t, gid_t, int, const char *);
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void __stdcall set_std_handle (int);
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int __stdcall writable_directory (const char *file);
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int __stdcall stat_dev (DWORD, int, unsigned long, struct stat *);
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extern BOOL allow_ntsec;
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/* `lookup_name' should be called instead of LookupAccountName.
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* logsrv may be NULL, in this case only the local system is used for lookup.
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* The buffer for ret_sid (40 Bytes) has to be allocated by the caller! */
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BOOL __stdcall lookup_name (const char *, const char *, PSID);
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char *__stdcall convert_sid_to_string_sid (PSID, char *);
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PSID __stdcall convert_string_sid_to_sid (PSID, const char *);
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BOOL __stdcall get_pw_sid (PSID, struct passwd *);
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unsigned long __stdcall hash_path_name (unsigned long hash, const char *name);
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void __stdcall nofinalslash (const char *src, char *dst);
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extern "C" char *__stdcall rootdir (char *full_path);
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void __stdcall mark (const char *, int);
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extern "C" int _spawnve (HANDLE hToken, int mode, const char *path,
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const char *const *argv, const char *const *envp);
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extern void __stdcall exec_fixup_after_fork ();
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class _pinfo;
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/* For mmaps across fork(). */
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int __stdcall recreate_mmaps_after_fork (void *);
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void __stdcall set_child_mmap_ptr (_pinfo *);
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/* String manipulation */
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char *__stdcall strccpy (char *s1, const char **s2, char c);
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int __stdcall strcasematch (const char *s1, const char *s2);
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int __stdcall strncasematch (const char *s1, const char *s2, size_t n);
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char *__stdcall strcasestr (const char *searchee, const char *lookfor);
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/* Time related */
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void __stdcall totimeval (struct timeval *dst, FILETIME * src, int sub, int flag);
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long __stdcall to_time_t (FILETIME * ptr);
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/* pinfo table manipulation */
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#ifndef lock_pinfo_for_update
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int __stdcall lock_pinfo_for_update (DWORD timeout);
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#endif
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void unlock_pinfo (void);
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/* Retrieve a security descriptor that allows all access */
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SECURITY_DESCRIPTOR *__stdcall get_null_sd (void);
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int __stdcall get_id_from_sid (PSID, BOOL);
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extern inline int get_uid_from_sid (PSID psid) { return get_id_from_sid (psid, FALSE);}
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extern inline int get_gid_from_sid (PSID psid) { return get_id_from_sid (psid, TRUE); }
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int __stdcall NTReadEA (const char *file, const char *attrname, char *buf, int len);
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BOOL __stdcall NTWriteEA (const char *file, const char *attrname, char *buf, int len);
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void __stdcall set_console_title (char *);
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void set_console_handler ();
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void __stdcall fill_rusage (struct rusage *, HANDLE);
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void __stdcall add_rusage (struct rusage *, struct rusage *);
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void set_winsock_errno ();
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/**************************** Exports ******************************/
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extern "C" {
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int cygwin_select (int , fd_set *, fd_set *, fd_set *,
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struct timeval *to);
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int cygwin_gethostname (char *__name, size_t __len);
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int kill_pgrp (pid_t, int);
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int _kill (int, int);
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int _raise (int sig);
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int getfdtabsize ();
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void setfdtabsize (int);
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extern DWORD binmode;
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extern char _data_start__, _data_end__, _bss_start__, _bss_end__;
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extern void (*__CTOR_LIST__) (void);
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extern void (*__DTOR_LIST__) (void);
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};
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/*************************** Unsorted ******************************/
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#define WM_ASYNCIO 0x8000 // WM_APP
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/* Note that MAX_PATH is defined in the windows headers */
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/* There is also PATH_MAX and MAXPATHLEN.
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PATH_MAX is from Posix and does *not* include the trailing NUL.
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MAXPATHLEN is from Unix.
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Thou shalt use MAX_PATH throughout. It avoids the NUL vs no-NUL
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issue and is neither of the Unixy ones [so we can punt on which
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one is the right one to use]. */
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/* Initial and increment values for cygwin's fd table */
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#define NOFILE_INCR 32
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#include <sys/reent.h>
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#define STD_RBITS (S_IRUSR | S_IRGRP | S_IROTH)
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#define STD_WBITS (S_IWUSR)
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#define STD_XBITS (S_IXUSR | S_IXGRP | S_IXOTH)
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#define O_NOSYMLINK 0x080000
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#define O_DIROPEN 0x100000
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/*************************** Environment ******************************/
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/* The structure below is used to control conversion to/from posix-style
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* file specs. Currently, only PATH and HOME are converted, but PATH
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* needs to use a "convert path list" function while HOME needs a simple
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* "convert to posix/win32". For the simple case, where a calculated length
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* is required, just return MAX_PATH. *FIXME*
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*/
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struct win_env
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{
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const char *name;
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size_t namelen;
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char *posix;
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char *native;
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int (*toposix) (const char *, char *);
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int (*towin32) (const char *, char *);
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int (*posix_len) (const char *);
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int (*win32_len) (const char *);
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void add_cache (const char *in_posix, const char *in_native = NULL);
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const char * get_native () {return native ? native + namelen : NULL;}
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};
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win_env * __stdcall getwinenv (const char *name, const char *posix = NULL);
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void __stdcall update_envptrs ();
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char * __stdcall winenv (const char * const *, int);
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extern char **__cygwin_environ, ***main_environ;
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extern "C" char __stdcall **cur_environ ();
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/* The title on program start. */
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extern char *old_title;
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extern BOOL display_title;
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#endif /* defined __cplusplus */
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