summaryrefslogtreecommitdiff
path: root/win32
diff options
context:
space:
mode:
authormatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2000-11-14 07:10:31 +0000
committermatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2000-11-14 07:10:31 +0000
commit46620a87720943120cabe6ffe2e94a2c3506c4c2 (patch)
tree472565a24cc842b64c3b97f573688154a1ac75bb /win32
parente9cf3b3bf56646e94df9189bfe8d6449b79ca0fb (diff)
matz
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1039 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'win32')
-rw-r--r--win32/win32.c552
-rw-r--r--win32/win32.h26
2 files changed, 426 insertions, 152 deletions
diff --git a/win32/win32.c b/win32/win32.c
index 7a2dea8..74c18aa 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -34,6 +34,32 @@
#define bool int
#endif
+#if USE_INTERRUPT_WINSOCK
+
+# if defined(_MSC_VER) && _MSC_VER <= 1000
+/* VC++4.0 doesn't have this. */
+extern DWORD WSAWaitForMultipleEvents(DWORD nevent, const HANDLE *events,
+ BOOL waitall, DWORD timeout,
+ BOOL alertable);
+# endif
+
+# define WaitForMultipleEvents WSAWaitForMultipleEvents
+# define CreateSignal() (HANDLE)WSACreateEvent()
+# define SetSignal(ev) WSASetEvent(ev)
+# define ResetSignal(ev) WSAResetEvent(ev)
+#else /* USE_INTERRUPT_WINSOCK */
+# define WaitForMultipleEvents WaitForMultipleObjectsEx
+# define CreateSignal() CreateEvent(NULL, FALSE, FALSE, NULL);
+# define SetSignal(ev) SetEvent(ev)
+# define ResetSignal(ev) (void)0
+#endif /* USE_INTERRUPT_WINSOCK */
+
+#ifdef WIN32_DEBUG
+#define Debug(something) something
+#else
+#define Debug(something) /* nothing */
+#endif
+
#define TO_SOCKET(x) _get_osfhandle(x)
bool NtSyncProcess = TRUE;
@@ -46,6 +72,7 @@ static bool NtHasRedirection (char *);
static int valid_filename(char *s);
static void StartSockets ();
static char *str_grow(struct RString *str, size_t new_size);
+static DWORD wait_events(HANDLE event, DWORD timeout);
char *NTLoginName;
@@ -76,17 +103,23 @@ IsWinNT(void) {
}
/* main thread constants */
-HANDLE rb_CurrentProcessHandle;
-HANDLE rb_MainThreadHandle;
-DWORD rb_MainThreadId;
-HANDLE rb_InterruptEvent;
+static struct {
+ HANDLE handle;
+ DWORD id;
+} main_thread;
+
+/* interrupt stuff */
+static HANDLE interrupted_event;
HANDLE GetCurrentThreadHandle(void)
{
+ static HANDLE current_process_handle = NULL;
HANDLE h;
- HANDLE proc = rb_CurrentProcessHandle;
- if (!DuplicateHandle(proc, GetCurrentThread(), proc, &h,
+ if (!current_process_handle)
+ current_process_handle = GetCurrentProcess();
+ if (!DuplicateHandle(current_process_handle, GetCurrentThread(),
+ current_process_handle, &h,
0, FALSE, DUPLICATE_SAME_ACCESS))
return NULL;
return h;
@@ -98,68 +131,78 @@ HANDLE GetCurrentThreadHandle(void)
#define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError()))
#define LK_LEN 0xffff0000
-int
-flock(int fd, int oper)
+static VALUE
+flock_winnt(VALUE self, int argc, VALUE* argv)
{
OVERLAPPED o;
int i = -1;
- HANDLE fh;
+ const HANDLE fh = (HANDLE)self;
+ const int oper = argc;
- fh = (HANDLE)_get_osfhandle(fd);
memset(&o, 0, sizeof(o));
- if(IsWinNT()) {
- switch(oper) {
- case LOCK_SH: /* shared lock */
- LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i);
- break;
- case LOCK_EX: /* exclusive lock */
- LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i);
- break;
- case LOCK_SH|LOCK_NB: /* non-blocking shared lock */
- LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i);
- break;
- case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */
- LK_ERR(LockFileEx(fh,
- LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY,
- 0, LK_LEN, 0, &o),i);
- if(errno == EDOM) errno = EWOULDBLOCK;
- break;
- case LOCK_UN: /* unlock lock */
- if (UnlockFileEx(fh, 0, LK_LEN, 0, &o)) {
- i = 0;
- }
- else {
- /* GetLastError() must returns `ERROR_NOT_LOCKED' */
+ switch(oper) {
+ case LOCK_SH: /* shared lock */
+ LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o), i);
+ break;
+ case LOCK_EX: /* exclusive lock */
+ LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o), i);
+ break;
+ case LOCK_SH|LOCK_NB: /* non-blocking shared lock */
+ LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o), i);
+ break;
+ case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */
+ LK_ERR(LockFileEx(fh,
+ LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY,
+ 0, LK_LEN, 0, &o), i);
+ if (errno == EDOM)
+ errno = EWOULDBLOCK;
+ break;
+ case LOCK_UN: /* unlock lock */
+ if (UnlockFileEx(fh, 0, LK_LEN, 0, &o)) {
+ i = 0;
+ if (errno == EDOM)
errno = EWOULDBLOCK;
- }
- if(errno == EDOM) errno = EWOULDBLOCK;
- break;
- default: /* unknown */
- errno = EINVAL;
- break;
- }
+ }
+ else {
+ /* GetLastError() must returns `ERROR_NOT_LOCKED' */
+ errno = EWOULDBLOCK;
+ }
+ break;
+ default: /* unknown */
+ errno = EINVAL;
+ break;
}
- else if(IsWin95()) {
- switch(oper) {
- case LOCK_EX:
- while(i == -1) {
- LK_ERR(LockFile(fh, 0, 0, LK_LEN, 0), i);
- if(errno != EDOM && i == -1) break;
- }
- break;
- case LOCK_EX | LOCK_NB:
+ return i;
+}
+
+static VALUE
+flock_win95(VALUE self, int argc, VALUE* argv)
+{
+ int i = -1;
+ const HANDLE fh = (HANDLE)self;
+ const int oper = argc;
+
+ switch(oper) {
+ case LOCK_EX:
+ while(i == -1) {
LK_ERR(LockFile(fh, 0, 0, LK_LEN, 0), i);
- if(errno == EDOM) errno = EWOULDBLOCK;
- break;
- case LOCK_UN:
- LK_ERR(UnlockFile(fh, 0, 0, LK_LEN, 0), i);
- if(errno == EDOM) errno = EWOULDBLOCK;
- break;
- default:
- errno = EINVAL;
- break;
- }
+ if (errno != EDOM && i == -1) break;
+ }
+ break;
+ case LOCK_EX | LOCK_NB:
+ LK_ERR(LockFile(fh, 0, 0, LK_LEN, 0), i);
+ if (errno == EDOM)
+ errno = EWOULDBLOCK;
+ break;
+ case LOCK_UN:
+ LK_ERR(UnlockFile(fh, 0, 0, LK_LEN, 0), i);
+ if (errno == EDOM)
+ errno = EWOULDBLOCK;
+ break;
+ default:
+ errno = EINVAL;
+ break;
}
return i;
}
@@ -167,6 +210,22 @@ flock(int fd, int oper)
#undef LK_ERR
#undef LK_LEN
+int
+flock(int fd, int oper)
+{
+ static asynchronous_func_t locker = NULL;
+
+ if (!locker) {
+ if (IsWinNT())
+ locker = flock_winnt;
+ else
+ locker = flock_win95;
+ }
+
+ return win32_asynchronize(locker,
+ (VALUE)_get_osfhandle(fd), oper, NULL,
+ (DWORD)-1);
+}
//#undef const
//FILE *fdopen(int, const char *);
@@ -1908,8 +1967,10 @@ myselect (int nfds, fd_set *rd, fd_set *wr, fd_set *ex,
long r;
fd_set file_rd;
fd_set file_wr;
+#ifdef USE_INTERRUPT_WINSOCK
+ fd_set trap;
+#endif /* USE_INTERRUPT_WINSOCK */
int file_nfds;
- int trap_immediate = rb_trap_immediate;
if (!NtSocketsInitialized++) {
StartSockets();
@@ -1928,18 +1989,26 @@ myselect (int nfds, fd_set *rd, fd_set *wr, fd_set *ex,
if (wr) *wr = file_wr;
return file_nfds;
}
- if (trap_immediate)
- TRAP_END;
+
+#if USE_INTERRUPT_WINSOCK
+ if (ex)
+ trap = *ex;
+ else
+ trap.fd_count = 0;
+ if (trap.fd_count < FD_SETSIZE)
+ trap.fd_array[trap.fd_count++] = (SOCKET)interrupted_event;
+ // else unable to catch interrupt.
+ ex = &trap;
+#endif /* USE_INTERRUPT_WINSOCK */
+
if ((r = select (nfds, rd, wr, ex, timeout)) == SOCKET_ERROR) {
errno = WSAGetLastError();
switch (errno) {
- case WSAEINTR:
+ case WSAEINTR:
errno = EINTR;
break;
}
}
- if (trap_immediate)
- TRAP_BEG;
return r;
}
@@ -1957,31 +2026,33 @@ StartSockets ()
//
version = MAKEWORD(1, 1);
if (ret = WSAStartup(version, &retdata))
- rb_fatal ("Unable to locate winsock library!\n");
+ rb_fatal ("Unable to locate winsock library!\n");
if (LOBYTE(retdata.wVersion) != 1)
- rb_fatal("could not find version 1 of winsock dll\n");
+ rb_fatal("could not find version 1 of winsock dll\n");
if (HIBYTE(retdata.wVersion) != 1)
- rb_fatal("could not find version 1 of winsock dll\n");
+ rb_fatal("could not find version 1 of winsock dll\n");
atexit((void (*)(void)) WSACleanup);
- iSockOpt = SO_SYNCHRONOUS_NONALERT;
+ iSockOpt = SO_SYNCHRONOUS_NONALERT;
/*
* Enable the use of sockets as filehandles
*/
setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
- (char *)&iSockOpt, sizeof(iSockOpt));
+ (char *)&iSockOpt, sizeof(iSockOpt));
- rb_CurrentProcessHandle = GetCurrentProcess();
- rb_MainThreadHandle = GetCurrentThreadHandle();
- rb_MainThreadId = GetCurrentThreadId();
- rb_InterruptEvent = CreateEvent(NULL, FALSE, TRUE, NULL);
+ main_thread.handle = GetCurrentThreadHandle();
+ main_thread.id = GetCurrentThreadId();
+
+ interrupted_event = CreateSignal();
+ if (!interrupted_event)
+ rb_fatal("Unable to create interrupt event!\n");
}
#undef accept
-SOCKET
+SOCKET
myaccept (SOCKET s, struct sockaddr *addr, int *addrlen)
{
SOCKET r;
@@ -1990,12 +2061,8 @@ myaccept (SOCKET s, struct sockaddr *addr, int *addrlen)
if (!NtSocketsInitialized++) {
StartSockets();
}
- if (trap_immediate)
- TRAP_END;
if ((r = accept (TO_SOCKET(s), addr, addrlen)) == INVALID_SOCKET)
errno = WSAGetLastError();
- if (trap_immediate)
- TRAP_BEG;
return r;
}
@@ -2342,7 +2409,7 @@ waitpid (pid_t pid, int *stat_loc, int options)
} else {
timeout = INFINITE;
}
- if (WaitForSingleObject((HANDLE) pid, timeout) == WAIT_OBJECT_0) {
+ if (wait_events((HANDLE)pid, timeout) == WAIT_OBJECT_0) {
pid = _cwait(stat_loc, pid, 0);
#if !defined __BORLANDC__
*stat_loc <<= 8;
@@ -2487,25 +2554,26 @@ myrename(const char *oldpath, const char *newpath)
if (!MoveFile(oldpath, newpath))
res = -1;
- if (res == 0 || (GetLastError() != ERROR_ALREADY_EXISTS
- && GetLastError() != ERROR_FILE_EXISTS))
- goto done;
-
- if (IsWinNT()) {
- if (MoveFileEx(oldpath, newpath, MOVEFILE_REPLACE_EXISTING))
- res = 0;
- } else {
- for (;;) {
- if (!DeleteFile(newpath) && GetLastError() != ERROR_FILE_NOT_FOUND)
- break;
- else if (MoveFile(oldpath, newpath)) {
- res = 0;
- break;
+ if (res) {
+ switch (GetLastError()) {
+ case ERROR_ALREADY_EXISTS:
+ case ERROR_FILE_EXISTS:
+ if (IsWinNT()) {
+ if (MoveFileEx(oldpath, newpath, MOVEFILE_REPLACE_EXISTING))
+ res = 0;
+ } else {
+ for (;;) {
+ if (!DeleteFile(newpath) && GetLastError() != ERROR_FILE_NOT_FOUND)
+ break;
+ else if (MoveFile(oldpath, newpath)) {
+ res = 0;
+ break;
+ }
+ }
}
}
}
-done:
if (res)
errno = GetLastError();
else
@@ -2545,88 +2613,288 @@ mytimes(struct tms *tmbuf)
}
-static int win32_thread_exclusive(void)
+#undef Sleep
+#define yield_once() Sleep(0)
+#define yield_until(condition) do yield_once(); while (!(condition))
+
+static DWORD wait_events(HANDLE event, DWORD timeout)
{
- if (GetCurrentThreadId() == rb_MainThreadId) return FALSE;
+ HANDLE events[2];
+ int count = 0;
+ DWORD ret;
- SuspendThread(rb_MainThreadHandle);
- return TRUE;
+ if (event) {
+ events[count++] = event;
+ }
+ events[count++] = interrupted_event;
+
+ ret = WaitForMultipleEvents(count, events, FALSE, timeout, TRUE);
+
+ if (ret == WAIT_OBJECT_0 + count - 1) {
+ ResetSignal(interrupted_event);
+ errno = EINTR;
+ }
+
+ return ret;
}
-void win32_thread_resume_main(void)
+static CRITICAL_SECTION* system_state(void)
{
- if (GetCurrentThreadId() != rb_MainThreadId)
- ResumeThread(rb_MainThreadHandle);
+ static int initialized = 0;
+ static CRITICAL_SECTION syssect;
+
+ if (!initialized) {
+ InitializeCriticalSection(&syssect);
+ initialized = 1;
+ }
+ return &syssect;
}
-static void win32_suspend_self(void)
+static LONG flag_interrupt = -1;
+static volatile DWORD tlsi_interrupt = TLS_OUT_OF_INDEXES;
+
+void win32_disable_interrupt(void)
{
- SuspendThread(GetCurrentThread());
+ if (IsWinNT()) {
+ EnterCriticalSection(system_state());
+ return;
+ }
+
+ if (tlsi_interrupt == TLS_OUT_OF_INDEXES) {
+ tlsi_interrupt = TlsAlloc();
+ }
+
+ {
+ DWORD ti = (DWORD)TlsGetValue(tlsi_interrupt);
+ while (InterlockedIncrement(&flag_interrupt) > 0 && !ti) {
+ InterlockedDecrement(&flag_interrupt);
+ Sleep(1);
+ }
+ TlsSetValue(tlsi_interrupt, (PVOID)++ti);
+ }
+}
+
+void win32_enable_interrupt(void)
+{
+ if (IsWinNT()) {
+ LeaveCriticalSection(system_state());
+ return;
+ }
+
+ InterlockedDecrement(&flag_interrupt);
+ TlsSetValue(tlsi_interrupt, (PVOID)((DWORD)TlsGetValue(tlsi_interrupt) - 1));
}
-static void win32_call_handler(int arg, void (*handler)(int), CONTEXT ctx)
+struct handler_arg_t {
+ void (*handler)(int);
+ int arg;
+ int status;
+ int userstate;
+ HANDLE handshake;
+};
+
+static void win32_call_handler(struct handler_arg_t* h)
{
- handler(arg);
- ctx.ContextFlags = CONTEXT_FULL | CONTEXT_FLOATING_POINT;
- SetThreadContext(rb_MainThreadHandle, &ctx);
+ int status;
+ RUBY_CRITICAL(rb_protect((VALUE (*)())h->handler, (VALUE)h->arg, &h->status);
+ status = h->status;
+ SetEvent(h->handshake));
+ if (status) {
+ rb_jump_tag(status);
+ }
+ h->userstate = 1; /* never syscall after here */
+ for (;;); /* wait here in user state */
}
-static int catch_interrupt(unsigned long msec)
+static struct handler_arg_t* setup_handler(struct handler_arg_t *harg,
+ int arg,
+ void (*handler)(int),
+ HANDLE handshake)
{
- return !WaitForSingleObject(rb_InterruptEvent, msec);
+ harg->handler = handler;
+ harg->arg = arg;
+ harg->status = 0;
+ harg->userstate = 0;
+ harg->handshake = handshake;
+ return harg;
}
-int win32_interruptible(void)
+static void setup_call(CONTEXT* ctx, struct handler_arg_t *harg)
{
- if (catch_interrupt(0)) return TRUE;
- SetEvent(rb_InterruptEvent);
- return FALSE;
+#ifdef _M_IX86
+ DWORD *esp = (DWORD *)ctx->Esp;
+ *--esp = (DWORD)harg;
+ *--esp = ctx->Eip;
+ ctx->Esp = (DWORD)esp;
+ ctx->Eip = (DWORD)win32_call_handler;
+#else
+#error unsupported processor
+#endif
}
int win32_main_context(int arg, void (*handler)(int))
{
- if (!win32_thread_exclusive()) return FALSE;
+ static HANDLE interrupt_done = NULL;
+ struct handler_arg_t harg;
+ CONTEXT ctx_orig;
+ HANDLE current_thread = GetCurrentThread();
+ int old_priority = GetThreadPriority(current_thread);
- if (!catch_interrupt(0)) {
- SetEvent(rb_InterruptEvent);
- return FALSE;
- }
+ if (GetCurrentThreadId() == main_thread.id) return FALSE;
- {
+ SetSignal(interrupted_event);
+
+ RUBY_CRITICAL({ /* the main thread must be in user state */
CONTEXT ctx;
+ SuspendThread(main_thread.handle);
+ SetThreadPriority(current_thread, GetThreadPriority(main_thread.handle));
+
ZeroMemory(&ctx, sizeof(CONTEXT));
ctx.ContextFlags = CONTEXT_FULL | CONTEXT_FLOATING_POINT;
- GetThreadContext(rb_MainThreadHandle, &ctx);
-#ifdef _M_IX86
- {
- DWORD *esp = (DWORD *)(ctx.Esp - sizeof(CONTEXT));
- *(CONTEXT *)esp = ctx;
- *--esp = (DWORD)handler;
- *--esp = arg;
- *--esp = ctx.Eip;
- ctx.Esp = (DWORD)esp;
+ GetThreadContext(main_thread.handle, &ctx);
+ ctx_orig = ctx;
+
+ /* handler context setup */
+ if (!interrupt_done) {
+ interrupt_done = CreateEvent(NULL, FALSE, FALSE, NULL);
+ /* anonymous one-shot event */
}
- ctx.Eip = (DWORD)win32_call_handler;
-#else
-#error
-#endif
+ else {
+ ResetEvent(interrupt_done);
+ }
+ setup_call(&ctx, setup_handler(&harg, arg, handler, interrupt_done));
ctx.ContextFlags = CONTEXT_CONTROL;
- SetThreadContext(rb_MainThreadHandle, &ctx);
+ SetThreadContext(main_thread.handle, &ctx);
+ ResumeThread(main_thread.handle);
+ });
+
+ /* give a chance to the main thread */
+ yield_once();
+ WaitForSingleObject(interrupt_done, INFINITE); /* handshaking */
+
+ if (!harg.status) {
+ /* no exceptions raised, restore old context. */
+ RUBY_CRITICAL({
+ /* ensure the main thread is in user state. */
+ yield_until(harg.userstate);
+
+ SuspendThread(main_thread.handle);
+ ctx_orig.ContextFlags = CONTEXT_FULL | CONTEXT_FLOATING_POINT;
+ SetThreadContext(main_thread.handle, &ctx_orig);
+ ResumeThread(main_thread.handle);
+ });
}
- ResumeThread(rb_MainThreadHandle);
+ /* otherwise leave the main thread raised */
+
+ SetThreadPriority(current_thread, old_priority);
return TRUE;
}
-void win32_sleep(unsigned long msec)
+int win32_sleep(unsigned long msec)
{
- int trap_immediate = rb_trap_immediate;
+ return wait_events(NULL, msec) != WAIT_TIMEOUT;
+}
+
+static void catch_interrupt(void)
+{
+ yield_once();
+ win32_sleep(0);
+ CHECK_INTS;
+}
+
+void win32_enter_syscall(void)
+{
+ InterlockedExchange(&rb_trap_immediate, 1);
+ catch_interrupt();
+ win32_disable_interrupt();
+}
+
+void win32_leave_syscall(void)
+{
+ win32_enable_interrupt();
+ catch_interrupt();
+ InterlockedExchange(&rb_trap_immediate, 0);
+}
+
+struct asynchronous_arg_t {
+ /* output field */
+ void* stackaddr;
+
+ /* input field */
+ VALUE (*func)(VALUE self, int argc, VALUE* argv);
+ VALUE self;
+ int argc;
+ VALUE* argv;
+};
+
+static DWORD WINAPI
+call_asynchronous(PVOID argp)
+{
+ struct asynchronous_arg_t *arg = argp;
+ arg->stackaddr = &argp;
+ return (DWORD)arg->func(arg->self, arg->argc, arg->argv);
+}
+
+VALUE win32_asynchronize(asynchronous_func_t func,
+ VALUE self, int argc, VALUE* argv, VALUE intrval)
+{
+ DWORD val;
+ BOOL interrupted = FALSE;
+ HANDLE thr;
+
+ RUBY_CRITICAL({
+ struct asynchronous_arg_t arg;
+
+ arg.stackaddr = NULL;
+ arg.func = func;
+ arg.self = self;
+ arg.argc = argc;
+ arg.argv = argv;
+
+ thr = CreateThread(NULL, 0, call_asynchronous, &arg, 0, &val);
+
+ if (thr) {
+ yield_until(arg.stackaddr);
+
+ if (wait_events(thr, INFINITE) != WAIT_OBJECT_0) {
+ interrupted = TRUE;
+
+ if (TerminateThread(thr, intrval)) {
+ yield_once();
+ }
+ }
+
+ GetExitCodeThread(thr, &val);
+ CloseHandle(thr);
+
+ if (interrupted) {
+ /* must release stack of killed thread, why doesn't Windows? */
+ MEMORY_BASIC_INFORMATION m;
+
+ memset(&m, 0, sizeof(m));
+ if (!VirtualQuery(arg.stackaddr, &m, sizeof(m))) {
+ Debug(fprintf(stderr, "couldn't get stack base:%p:%d\n",
+ arg.stackaddr, GetLastError()));
+ }
+ else if (!VirtualFree(m.AllocationBase, 0, MEM_RELEASE)) {
+ Debug(fprintf(stderr, "couldn't release stack:%p:%d\n",
+ m.AllocationBase, GetLastError()));
+ }
+ }
+ }
+ });
+
+ if (!thr) {
+ rb_fatal("failed to launch waiter thread:%d", GetLastError());
+ }
+
+ if (interrupted) {
+ errno = EINTR;
+ CHECK_INTS;
+ }
- if (trap_immediate)
- TRAP_END;
- catch_interrupt(msec);
- if (trap_immediate)
- TRAP_BEG;
+ return val;
}
diff --git a/win32/win32.h b/win32/win32.h
index d0e1815..2976781 100644
--- a/win32/win32.h
+++ b/win32/win32.h
@@ -427,17 +427,23 @@ struct tms {
#define times mytimes
/* thread stuff */
-/* initialized by NtInitialize() */
-HANDLE rb_CurrentProcessHandle;
-HANDLE rb_MainThreadHandle;
-HANDLE rb_InterruptEvent;
-DWORD rb_MainThreadId;
-
HANDLE GetCurrentThreadHandle(void);
int win32_main_context(int arg, void (*handler)(int));
-int win32_interruptible(void);
-void win32_thread_resume_main(void);
-void win32_sleep(unsigned long msec);
-#define Sleep(msec) win32_sleep(msec)
+int win32_sleep(unsigned long msec);
+void win32_enter_syscall(void);
+void win32_leave_syscall(void);
+void win32_disable_interrupt(void);
+void win32_enable_interrupt(void);
+#define Sleep(msec) (void)win32_sleep(msec)
+
+/*
+== ***CAUTION***
+Since this function is very dangerous, ((*NEVER*))
+* lock any HANDLEs(i.e. Mutex, Semaphore, CriticalSection and so on) or,
+* use anything like TRAP_BEG...TRAP_END block structure,
+in asynchronous_func_t.
+*/
+typedef DWORD (*asynchronous_func_t)(DWORD self, int argc, DWORD* argv);
+DWORD win32_asynchronize(asynchronous_func_t func, DWORD self, int argc, DWORD* argv, DWORD intrval);
#endif