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* cygthread.cc (cygthread::stub): Revert previous change and again subsume

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cygthread::stub2.  Just return from function now since ExitThread is guaranteed
by automatic _threadinfo wrapper.  Define as per ThreadProc convention.
(cygthread::stub2): Remove.
(cygthread::simplestub): Perform similar operations to cygthread::stub.
(cygthread::simplestub2): Remove.
* cygthread.h (cygthread::stub): Declare as per ThreadProc convention.
(cygthread::stub2): Remove declaration.
(cygthread::simplestub): Declare as per ThreadProc convention.
(cygthread::simplestub2): Remove declaration.
* cygtls.h (_threadinfo::call): Define first argument as per ThreadProc
convention.
(_threadinfo::call2): Ditto.
(_tlsbase): Define as char * pointer.
(_tlstop): New definition.
(_main_tls): Define here.
* dcrt0.cc (alloc_stack): Revert previous change which called init_thread since
information would be overwritten by fork later anyway.
(dll_crt0_1): Use _tlsbase and _tlstop for setting stack bottom, top.
* exceptions.cc: Move _main_tls declaration to cygtls.h.
(_threadinfo::call): Define first argument as per ThreadProc convention.
(_threadinfo::call2): Call ExitThread with thread function return value.
(_threadinfo::init_thread): Don't initialize cygtls to zero if input arg is
NULL.
* fork.cc (fork_child): Reset _main_tls here.  Reinitialize parts of _my_tls
after copying data from parent.
* init.cc (threadfunc_fe): New function.  Front-end for all threads created in
cygwin processes.
(munge_threadfunc): New function.
(dll_entry): Call munge_threadfunc to force the call of a thread wrapper.
* thread.cc (pthread::thread_init_wrapper): Perform similar operations to
cygthread::stub.
(pthread::thread_init_wrapper2): Remove.
* thread.h (pthread::thread_init_wrapper): Declare as per ThreadProc
convention.
(pthread::thread_init_wrapper2): Remove declaration.
* window.cc (Winmain): Just return from function now since ExitThread is
guaranteed by automatic _threadinfo wrapper.
This commit is contained in:
Christopher Faylor
2003-12-14 07:09:22 +00:00
parent f082663050
commit c350feda20
11 changed files with 108 additions and 54 deletions
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16
winsup/cygwin/exceptions.cc
View File

@ -38,7 +38,6 @@ extern void sigdelayed ();
_threadinfo NO_COPY dummy_thread;
_threadinfo NO_COPY *_last_thread = &dummy_thread;
extern _threadinfo *_main_tls;
CRITICAL_SECTION NO_COPY _threadinfo::protect_linked_list;
@ -150,17 +149,17 @@ _threadinfo::reset_exception ()
}
void
_threadinfo::call (void (*func) (void *, void *), void *arg)
_threadinfo::call (DWORD (*func) (void *, void *), void *arg)
{
char buf[CYGTLS_PADSIZE];
_my_tls.call2 (func, arg, buf);
}
void
_threadinfo::call2 (void (*func) (void *, void *), void *arg, void *buf)
_threadinfo::call2 (DWORD (*func) (void *, void *), void *arg, void *buf)
{
init_thread (buf);
func (arg, buf);
ExitThread (func (arg, buf));
}
void
@ -170,10 +169,13 @@ _threadinfo::init ()
}
void
_threadinfo::init_thread (void *)
_threadinfo::init_thread (void *x)
{
memset (this, 0, sizeof (*this));
stackptr = stack;
if (x)
{
memset (this, 0, sizeof (*this));
stackptr = stack;
}
EnterCriticalSection (&protect_linked_list);
prev = _last_thread;