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* Makefile.in (DLL_OFILES): Add kernel32.o.

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* autoload.cc (WSACloseEvent): Remove.
	(WSACreateEvent): Remove.
	* cygheap.cc (cygheap_init): Drop initializing shared_prefix.
	* cygheap.h (struct init_cygheap): Drop shared_prefix and
	shared_prefix_buf members.
	* fhandler_socket.cc (sock_shared_name): New static function.
	(search_wsa_event_slot): Convert name buffers to WCHAR.  Call
	NtCreateMutant/NtOpenMutant to create mutexes in session local
	namespace.
	(fhandler_socket::init_events): Ditto.  Fix debug output.
	(fhandler_socket::release_events): Close mutexes using NtClose.
	(fhandler_socket::dup): Ditto.
	* kernel32.cc: New file, implementing Win32 calls in a Cygwin-specific
	way.
	* mmap.cc (MapView): Make static.
	* ntdll.h: Fix status code sorting.
	(STATUS_OBJECT_NAME_EXISTS): Define.
	(SEMAPHORE_QUERY_STATE): Define.
	(CYG_SHARED_DIR_ACCESS): Define.
	(CYG_MUTANT_ACCESS): Define.
	(CYG_EVENT_ACCESS): Define.
	(CYG_SEMAPHORE_ACCESS): Define.
	(enum _PROCESSINFOCLASS): Define ProcessSessionInformation.
	(struct _PROCESS_SESSION_INFORMATION): Define.
	(NtCreateSemaphore): Declare.
	(NtOpenSemaphore): Declare.
	* flock.cc: Use CYG_xxx_ACCESS access masks where appropriate.
	* posix_ipc.cc (ipc_mutex_init): Use native functions to create mutex.
	Create in cygwin-shared subdir.
	(ipc_cond_init): Ditto for event.
	(ipc_mutex_close): Use NtClose.
	(ipc_cond_close): Ditto.
	(mq_open): Drop "cyg" prefix from mqh_uname.
	* shared.cc (CYG_SHARED_DIR_ACCESS): Drop definition here.
	(_cygwin_testing): Declare extern on file level.
	(get_shared_parent_dir): Change name of shared directory.  Add name
	to api_fatal output.
	(get_session_parent_dir): New function.
	(shared_name): Simplify.
	(shared_info::initialize): Call get_session_parent_dir.
	* shared_info.h (get_session_parent_dir): Declare.
	* smallprint.cc (__small_vswprintf): Fix bug in multibyte string
	conversion.
	* thread.cc (semaphore::semaphore): Align semaphore name to object
	names in posix IPC functions.
	* include/cygwin/version.h (CYGWIN_VERSION_SHARED_DATA): Bump.
This commit is contained in:
Corinna Vinschen
2008-04-21 12:46:58 +00:00
parent 70fab4ec71
commit abbde48704
16 changed files with 623 additions and 93 deletions
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21
winsup/cygwin/posix_ipc.cc
View File

@ -16,6 +16,7 @@ details. */
#include "dtable.h"
#include "cygheap.h"
#include "sigproc.h"
#include "ntdll.h"
#include <sys/mman.h>
#include <sys/param.h>
#include <stdlib.h>
@ -87,10 +88,13 @@ static int
ipc_mutex_init (HANDLE *pmtx, const char *name)
{
char buf[MAX_PATH];
__small_sprintf (buf, "%scyg_pmtx/%s", cygheap->shared_prefix, name);
*pmtx = CreateMutex (&sec_all, FALSE, buf);
SECURITY_ATTRIBUTES sa = sec_none;
__small_sprintf (buf, "mqueue/mtx_%W", name);
sa.lpSecurityDescriptor = everyone_sd (CYG_MUTANT_ACCESS);
*pmtx = CreateMutex (&sa, FALSE, buf);
if (!*pmtx)
debug_printf ("failed: %E\n");
debug_printf ("CreateMutex: %E");
return *pmtx ? 0 : geterrno_from_win_error ();
}
@ -129,10 +133,13 @@ static int
ipc_cond_init (HANDLE *pevt, const char *name)
{
char buf[MAX_PATH];
__small_sprintf (buf, "%scyg_pevt/%s", cygheap->shared_prefix, name);
*pevt = CreateEvent (&sec_all, TRUE, FALSE, buf);
SECURITY_ATTRIBUTES sa = sec_none;
__small_sprintf (buf, "mqueue/evt_%W", name);
sa.lpSecurityDescriptor = everyone_sd (CYG_EVENT_ACCESS);
*pevt = CreateEvent (&sa, TRUE, FALSE, buf);
if (!*pevt)
debug_printf ("failed: %E\n");
debug_printf ("CreateEvent: %E");
return *pevt ? 0 : geterrno_from_win_error ();
}
@ -387,7 +394,7 @@ again:
__seterrno ();
goto err;
}
__small_sprintf (mqhdr->mqh_uname, "cyg%016X%08x%08x",
__small_sprintf (mqhdr->mqh_uname, "%016X%08x%08x",
hash_path_name (0,mqname),
luid.HighPart, luid.LowPart);
mqhdr->mqh_head = 0;