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* Makefile.in: Add cygheap.o.

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* child_info.h: Add specific exec class.
* cygheap.h: New file.  Contains declarations for cygwin heap.
* cygheap.cc: New file.  Implements cygwin heap functions.
* dcrt0.cc (quoted): Simplify due to new method for passing arguments between
cygwin programs.
(alloc_stack_hard_way): Attempt to handle overlapped stack.
(dll_crt0_1): Move child_info processing here.  Accomodate new method for
passing arguments between cygwin programs.  Initialize cygwin heap.  Establish
__argc and __argv variables.
(_dll_crt0): Move most of child_info processing to dll_crt0_1.
(cygwin_dll_init): Remove duplication.
* dtable.cc (dtable::extend): Allocate dtable using cygwin heap.
(dtable::build_fhandler): Ditto for fhandler type being constructed.
(dtable::dup_worker): Free new fhandler from cygwin heap on error.
(dtable::select_*): Don't assume that this == fdtab.
(dtable::linearize_fd_array): Delete.
(dtable::delinearize_fd_array): Delete.
(dtable::fixup_after_exec): New file.
(dtable::vfork_child_dup): Use cygwin heap.
(dtable::vfork_parent_restore): Ditto.
* dtable.h: Remove obsolete methods.  Add new method.
* environ.cc (posify): Eliminate already_posix parameter and logic.
(envsize): New function.
(_addenv): Use envsize.
(environ_init): Accept an argument pointing to an existing environment list.
If supplied, allocate space for this in the the program's heap.
* fhandler.cc (fhandler_base::operator =): Move here from fhandler.h.  Use
cygwin heap to allocate filenames.
(fhandler_base::set_name): Allocate/free names from cygwin heap.
(fhandler_base::linearize): Delete.
(fhandler_base::de_linearize): Delete.
(fhandler_base::operator delete): Free from cygwin heap.
(fhandler_base::~fhandler_base): Ditto.
* fhandler.h: Accomodate elimination of *linearize and other changes above.
* fhandler_console.cc (fhandler_console::fixup_after_exec): Rename from
de_linearize.
* heap.h: New file.
* fhandler_tty.cc (fhandler_tty_slave::fhandler_tty_slave): Use cygwin heap for
name.  fhandler_tty::fixup_after_exec): Rename from de_linearize.
* fork.cc (fork): Call cygheap_fixup_in_child.
* heap.cc: Use declarations in heap.h.
* malloc.cc: Sprinkle assertions throughout to catch attempts to free/realloc
something from the cygwin heap.
* path.cc: Throughout, eliminate use of per-thread cache for cwd.  Use cwd_*
functions rather than cwd_* variables to access cwd_win32 and cwd_posix.
(cwd_win32): New function.
(cwd_posix): New function.
(cwd_hash): New function.
(cwd_fixup_after_exec): New function.
* path.h: Accomodate path.cc changes.
* pinfo.cc (pinfo_init): Accept a pointer to an environment table.  Pass this
to environ_init.  Eliminate old 'title' tests.
* pinfo.h: Accomodate above change in argument.
* spawn.cc (struct av): New method for building argv list.
(av::unshift): New method.
(spawn_guts): Allocate everything that the child process needs in the cygwin
heap and pass a pointer to this to the child.  Build argv list using new
method.  Eliminate delinearize stuff.
* thread.h: Eliminate _cwd_win32 and _cwd_posix buffers.
* winsup.h: Eliminate obsolete functions.  Add envsize() declaration.
This commit is contained in:
Christopher Faylor
2000-09-03 04:16:35 +00:00
parent 39630fe3a1
commit b0e82b74fb
44 changed files with 2219 additions and 1888 deletions
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16
winsup/cygwin/thread.cc
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@ -196,7 +196,7 @@ MTinterface::Find (void *_value, int (*comp) (void *, void *), register int &_in
{
current = _list->items[_index];
if (current->used && comp (current, _value))
break;
break;
current = NULL;
}
return current;
@ -211,7 +211,7 @@ MTinterface::Find (MTitem & _item, MTList * _list)
{
current = _list->items[_index];
if (current->used && current == &_item)
break;
break;
}
return (_index == _list->index ? -1 : _index);
};
@ -481,7 +481,7 @@ thread_init_wrapper (void *_arg)
struct _reent local_clib;
struct sigaction _sigs[NSIG];
sigset_t _sig_mask; /* one set for everything to ignore. */
sigset_t _sig_mask; /* one set for everything to ignore. */
LONG _sigtodo[NSIG + __SIGOFFSET];
// setup signal structures
@ -520,7 +520,7 @@ thread_init_wrapper (void *_arg)
// FIX ME : cleanup code
// thread->used = false; // release thread entry
// thread->used = false; // release thread entry
thread->return_ptr = ret;
ExitThread (0);
}
@ -595,7 +595,7 @@ __pthread_join (pthread_t * thread, void **return_val)
if (item->joinable == 'N')
{
if (return_val)
*return_val = NULL;
*return_val = NULL;
return EINVAL;
}
else
@ -603,7 +603,7 @@ __pthread_join (pthread_t * thread, void **return_val)
item->joinable = 'N';
WaitForSingleObject ((HANDLE)*thread, INFINITE);
if (return_val)
*return_val = item->return_ptr;
*return_val = item->return_ptr;
}/* End if*/
return 0;
@ -651,7 +651,7 @@ __pthread_continue (pthread_t * thread)
return ESRCH;
if (item->suspended == true)
ResumeThread ((HANDLE)*thread);
ResumeThread ((HANDLE)*thread);
item->suspended = false;
return 0;
@ -994,4 +994,4 @@ extern "C"
}
}
#endif // MT_SAFE
#endif // MT_SAFE