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Eliminate use of sigframe and sigthread throughout.

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* Makefile.in (DLL_OFILES): Add sigfe.o.  Remove reliance on cygwin.def from
cygwin0.dll dependency since dependence on sigfe.o implies that.  Generate def
file on the fly using 'gendef'.
* configure.in: Don't auto-generate cygwin.def.
* configure: Regenerate.
* cygwin.din: Add SIGFE stuff where appropriate.
* dcrt0.cc (dll_crt0_1): Initialize cygwin tls early in process startup.  Set
_main_tls to address of the main thread's cygwin tls.
* debug.h: Remove now unneeded WFSO and WFMO declarations.
* exceptions.cc (_last_thread): Define.
(set_thread_state_for_signals): New function.
(reset_thread_exception_for_signals): Ditto.
(init_thread_for_signals): Ditto.
(delete_thread_for_signals): Ditto.
(capture_thread_for_signals): Ditto.
(handle_exceptions): Set return address explicitly for exceptions prior to
calling sig_send.
(interrupt_on_return): Eliminate.
(setup_handler): Add preliminary implementation for dealing with
thread-specific signals by querying _main_tls.
(signal_exit): Use cygthread::main_thread_id instead of mainthread.id.
(call_signal_handler_now): For now, just handle the main thread.
* fork.cc (vfork): Save and restore main _my_tls.
* gendef: New file.  Generates def file and sigfe.s file.
* gentls_offsets: New file.  Generates offsets for perl to use in sigfe.s.
* how-signals-work.txt: Mention that info is obsolete.
* init.cc (dll_entry): Initialize cygwin tls storage here.
* miscfuncs.cc (low_priority_sleep): Make a C function for easier calling from
asm.
* perthread.h (vfork_save::tls): New element.
* signal.cc (nanosleep): Replace previous use of
sigframe.call_signal_handler_now with straight call to call_signal_handler_now.
(abort): Ditto.
* syscalls.cc (readv): Ditto.
* termios.cc (tcsetattr): Ditto.
* wait.cc (wait4): Ditto.
* sigproc.cc (sig_dispatch_pending): Ditto.
(sig_send): Ditto.
* sigproc.h: Declare call_signal_handler_now.
* thread.cc (pthread::thread_init_wrapper): Initialize cygwin tls.  Remove
obsolete and unworking signal stuff.
* thread.h (verifyable_object::sigs): Eliminate.
(verifyable_object::sigmask): Eliminate.
(verifyable_object::sigtodo): Eliminate.
(verifyable_object::exit): Make attribute noreturn.
(verifyable_object::thread_init_wrapper): Ditto.
(pthread_null::exit): Ditto.
* winbase.h (__stackbase): Always define.
* winsup.h (low_priority_sleep): Declare as a "C" function.
* include/cygwin/version.h: Bump API version to reflect sigwait export.
* include/sys/queue.h: Protect SLIST_ENTRY from previous declaration.
* signal.cc (sigwait): Implement.
* select.cc (fhandler_base::ready_for_read): Add debugging output.
* devices.h: Define more device pointers via their storage.
* devices.in: Don't parse things like /dev/inet/tcp, as they really have no
meaning.
* devices.cc: Regenerate.
* gendevices: Set proper protection for output file.
* cygtls.h: New file.
* gendef: New file.
* gentls_offsets: New file.
* tlsoffsets.h: New file.  Autogenerated.
* config/i386/longjmp.c: Remove.  File subsumed by gendef output.
* config/i386/makefrag: Remove obsolete file.
* fhandler.cc: Remove spurious access_worker declaration.
* spawn.cc (spawnve): Make debugging output more accurate.
* cygwin-gperf: Remove.
* devices.cc: Remove.
This commit is contained in:
Christopher Faylor
2003-11-28 20:55:59 +00:00
parent ffe0063843
commit 9a4d574b8d
50 changed files with 3311 additions and 3466 deletions
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14
winsup/cygwin/uinfo.cc
View File

@ -34,7 +34,7 @@ details. */
The information is used in shared.cc for the user shared.
Final initialization occurs in uinfo_init */
void
cygheap_user::init()
cygheap_user::init ()
{
char user_name[UNLEN + 1];
DWORD user_name_len = UNLEN + 1;
@ -70,7 +70,7 @@ cygheap_user::init()
if (!SetTokenInformation (ptok, TokenOwner, &effec_cygsid, sizeof (cygsid)))
debug_printf ("SetTokenInformation(TokenOwner): %E");
/* Add the user in the default DACL if needed */
/* Add the user in the default DACL if needed */
if (!GetTokenInformation (ptok, TokenDefaultDacl, pdacl, sizeof (pdacl_buf), &siz))
system_printf ("GetTokenInformation (TokenDefaultDacl): %E");
else if (pdacl->DefaultDacl) /* Running with security */
@ -80,14 +80,14 @@ cygheap_user::init()
for (int i = 0; i < pAcl->AceCount; i++)
{
if (!GetAce(pAcl, i, (LPVOID *) &pAce))
if (!GetAce (pAcl, i, (LPVOID *) &pAce))
system_printf ("GetAce: %E");
else if (pAce->Header.AceType == ACCESS_ALLOWED_ACE_TYPE
&& effec_cygsid == &pAce->SidStart)
goto out;
}
pAcl->AclSize = &pdacl_buf[sizeof (pdacl_buf)] - (char *) pAcl;
if (!AddAccessAllowedAce (pAcl, ACL_REVISION, GENERIC_ALL, effec_cygsid))
if (!AddAccessAllowedAce (pAcl, ACL_REVISION, GENERIC_ALL, effec_cygsid))
system_printf ("AddAccessAllowedAce: %E");
else if (FindFirstFreeAce (pAcl, (LPVOID *) &pAce), !(pAce))
debug_printf ("FindFirstFreeAce %E");
@ -98,7 +98,7 @@ cygheap_user::init()
system_printf ("SetTokenInformation (TokenDefaultDacl): %E");
}
}
out:
out:
CloseHandle (ptok);
}
@ -115,7 +115,7 @@ internal_getlogin (cygheap_user &user)
if (!pw && !(pw = internal_getpwnam (user.name ()))
&& !(pw = internal_getpwuid (DEFAULT_UID)))
debug_printf("user not found in augmented /etc/passwd");
debug_printf ("user not found in augmented /etc/passwd");
else
{
myself->uid = pw->pw_uid;
@ -313,7 +313,7 @@ cygheap_user::ontherange (homebodies what, struct passwd *pw)
sys_mbstowcs (wlogsrv, logsrv (),
sizeof (wlogsrv) / sizeof (*wlogsrv));
sys_mbstowcs (wuser, winname (), sizeof (wuser) / sizeof (*wuser));
if (!(ret = NetUserGetInfo (wlogsrv, wuser, 3,(LPBYTE *)&ui)))
if (!(ret = NetUserGetInfo (wlogsrv, wuser, 3, (LPBYTE *) &ui)))
{
sys_wcstombs (homepath_env_buf, ui->usri3_home_dir, CYG_MAX_PATH);
if (!homepath_env_buf[0])