diff options
Diffstat (limited to 'Master/tlpkg/tlperl/lib/CORE/win32thread.h')
| -rwxr-xr-x | Master/tlpkg/tlperl/lib/CORE/win32thread.h | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/Master/tlpkg/tlperl/lib/CORE/win32thread.h b/Master/tlpkg/tlperl/lib/CORE/win32thread.h deleted file mode 100755 index c6f93097ffa..00000000000 --- a/Master/tlpkg/tlperl/lib/CORE/win32thread.h +++ /dev/null @@ -1,197 +0,0 @@ -#ifndef _WIN32THREAD_H -#define _WIN32THREAD_H - -#include "win32.h" - -typedef struct win32_cond { LONG waiters; HANDLE sem; } perl_cond; -typedef DWORD perl_key; -typedef HANDLE perl_os_thread; - -#ifndef DONT_USE_CRITICAL_SECTION - -/* Critical Sections used instead of mutexes: lightweight, - * but can't be communicated to child processes, and can't get - * HANDLE to it for use elsewhere. - */ -typedef CRITICAL_SECTION perl_mutex; -#define MUTEX_INIT(m) InitializeCriticalSection(m) -#define MUTEX_LOCK(m) EnterCriticalSection(m) -#define MUTEX_UNLOCK(m) LeaveCriticalSection(m) -#define MUTEX_DESTROY(m) DeleteCriticalSection(m) - -#else - -typedef HANDLE perl_mutex; -# define MUTEX_INIT(m) \ - STMT_START { \ - if ((*(m) = CreateMutex(NULL,FALSE,NULL)) == NULL) \ - Perl_croak_nocontext("panic: MUTEX_INIT"); \ - } STMT_END - -# define MUTEX_LOCK(m) \ - STMT_START { \ - if (WaitForSingleObject(*(m),INFINITE) == WAIT_FAILED) \ - Perl_croak_nocontext("panic: MUTEX_LOCK"); \ - } STMT_END - -# define MUTEX_UNLOCK(m) \ - STMT_START { \ - if (ReleaseMutex(*(m)) == 0) \ - Perl_croak_nocontext("panic: MUTEX_UNLOCK"); \ - } STMT_END - -# define MUTEX_DESTROY(m) \ - STMT_START { \ - if (CloseHandle(*(m)) == 0) \ - Perl_croak_nocontext("panic: MUTEX_DESTROY"); \ - } STMT_END - -#endif - -/* These macros assume that the mutex associated with the condition - * will always be held before COND_{SIGNAL,BROADCAST,WAIT,DESTROY}, - * so there's no separate mutex protecting access to (c)->waiters - */ -#define COND_INIT(c) \ - STMT_START { \ - (c)->waiters = 0; \ - (c)->sem = Win_CreateSemaphore(NULL,0,LONG_MAX,NULL); \ - if ((c)->sem == NULL) \ - Perl_croak_nocontext("panic: COND_INIT (%ld)",GetLastError()); \ - } STMT_END - -#define COND_SIGNAL(c) \ - STMT_START { \ - if ((c)->waiters > 0 && \ - ReleaseSemaphore((c)->sem,1,NULL) == 0) \ - Perl_croak_nocontext("panic: COND_SIGNAL (%ld)",GetLastError()); \ - } STMT_END - -#define COND_BROADCAST(c) \ - STMT_START { \ - if ((c)->waiters > 0 && \ - ReleaseSemaphore((c)->sem,(c)->waiters,NULL) == 0) \ - Perl_croak_nocontext("panic: COND_BROADCAST (%ld)",GetLastError());\ - } STMT_END - -#define COND_WAIT(c, m) \ - STMT_START { \ - (c)->waiters++; \ - MUTEX_UNLOCK(m); \ - /* Note that there's no race here, since a \ - * COND_BROADCAST() on another thread will have seen the\ - * right number of waiters (i.e. including this one) */ \ - if (WaitForSingleObject((c)->sem,INFINITE)==WAIT_FAILED)\ - Perl_croak_nocontext("panic: COND_WAIT (%ld)",GetLastError()); \ - /* XXX there may be an inconsequential race here */ \ - MUTEX_LOCK(m); \ - (c)->waiters--; \ - } STMT_END - -#define COND_DESTROY(c) \ - STMT_START { \ - (c)->waiters = 0; \ - if (CloseHandle((c)->sem) == 0) \ - Perl_croak_nocontext("panic: COND_DESTROY (%ld)",GetLastError()); \ - } STMT_END - -#define DETACH(t) \ - STMT_START { \ - if (CloseHandle((t)->self) == 0) { \ - MUTEX_UNLOCK(&(t)->mutex); \ - Perl_croak_nocontext("panic: DETACH"); \ - } \ - } STMT_END - - -#define THREAD_CREATE(t, f) Perl_thread_create(t, f) -#define THREAD_POST_CREATE(t) NOOP - -/* XXX Docs mention that the RTL versions of thread creation routines - * should be used, but that advice only seems applicable when the RTL - * is not in a DLL. RTL DLLs in both Borland and VC seem to do all of - * the init/deinit required upon DLL_THREAD_ATTACH/DETACH. So we seem - * to be completely safe using straight Win32 API calls, rather than - * the much braindamaged RTL calls. - * - * _beginthread() in the RTLs call CloseHandle() just after the thread - * function returns, which means: 1) we have a race on our hands - * 2) it is impossible to implement join() semantics. - * - * IOW, do *NOT* turn on USE_RTL_THREAD_API! It is here - * for experimental purposes only. GSAR 98-01-02 - */ -#ifdef USE_RTL_THREAD_API -# include <process.h> -# if defined(__BORLANDC__) - /* Borland RTL doesn't allow a return value from thread function! */ -# define THREAD_RET_TYPE void _USERENTRY -# define THREAD_RET_CAST(p) ((void)(thr->i.retv = (void *)(p))) -# elif defined (_MSC_VER) -# define THREAD_RET_TYPE unsigned __stdcall -# define THREAD_RET_CAST(p) ((unsigned)(p)) -# else - /* CRTDLL.DLL doesn't allow a return value from thread function! */ -# define THREAD_RET_TYPE void __cdecl -# define THREAD_RET_CAST(p) ((void)(thr->i.retv = (void *)(p))) -# endif -#else /* !USE_RTL_THREAD_API */ -# define THREAD_RET_TYPE DWORD WINAPI -# define THREAD_RET_CAST(p) ((DWORD)(p)) -#endif /* !USE_RTL_THREAD_API */ - -typedef THREAD_RET_TYPE thread_func_t(void *); - - -START_EXTERN_C - -#if defined(PERLDLL) && defined(USE_DECLSPEC_THREAD) && (!defined(__BORLANDC__) || defined(_DLL)) -extern __declspec(thread) void *PL_current_context; -#define PERL_SET_CONTEXT(t) (PL_current_context = t) -#define PERL_GET_CONTEXT PL_current_context -#else -#define PERL_GET_CONTEXT Perl_get_context() -#define PERL_SET_CONTEXT(t) Perl_set_context(t) -#endif - -END_EXTERN_C - -#define INIT_THREADS NOOP -#define ALLOC_THREAD_KEY \ - STMT_START { \ - if ((PL_thr_key = TlsAlloc()) == TLS_OUT_OF_INDEXES) { \ - PerlIO_printf(PerlIO_stderr(),"panic: TlsAlloc"); \ - exit(1); \ - } \ - } STMT_END - -#define FREE_THREAD_KEY \ - STMT_START { \ - TlsFree(PL_thr_key); \ - } STMT_END - -#define PTHREAD_ATFORK(prepare,parent,child) NOOP - -#if defined(USE_RTL_THREAD_API) && !defined(_MSC_VER) -#define JOIN(t, avp) \ - STMT_START { \ - if ((WaitForSingleObject((t)->self,INFINITE) == WAIT_FAILED) \ - || (GetExitCodeThread((t)->self,(LPDWORD)(avp)) == 0) \ - || (CloseHandle((t)->self) == 0)) \ - Perl_croak_nocontext("panic: JOIN"); \ - *avp = (AV *)((t)->i.retv); \ - } STMT_END -#else /* !USE_RTL_THREAD_API || _MSC_VER */ -#define JOIN(t, avp) \ - STMT_START { \ - if ((WaitForSingleObject((t)->self,INFINITE) == WAIT_FAILED) \ - || (GetExitCodeThread((t)->self,(LPDWORD)(avp)) == 0) \ - || (CloseHandle((t)->self) == 0)) \ - Perl_croak_nocontext("panic: JOIN"); \ - } STMT_END -#endif /* !USE_RTL_THREAD_API || _MSC_VER */ - -#define YIELD Sleep(0) - -#endif /* _WIN32THREAD_H */ - |