* cygtls.h (waitq): Declare structure here.
(_cygtls::wq): Declare.
* cygtls.cc (_cygtls::fixup_after_fork): Clear wq.thread_ev to avoid using an
invalid event handle in forked process.
* dcrt0.cc (waitq_storage): Delete.
(threadstuff): Remove waitq_storage.
* perthread.h (per_thread_waitq): Delete.
(waitq_storage): Delete declaration.
* sigproc.cc (sigproc_init): Remove perthread waitq consideration.
* sigproc.h (waitq): Delete declaration.
* wait.cc (wait4): Use _my_tls waitq structure rather than per_thread.
* cygtls.h (_cygtls::newmask): Delete member.
(_cygtls::deltamask): New member.
* gendef (_sigdelayed): Replace the call to set_process_mask by a call to
set_process_mask_delta.
* exceptions.cc (handle_sigsuspend): Do not filter tempmask. Or
SIG_NONMASKABLE in deltamask as a flag.
(_cygtls::interrupt_setup): Set deltamask only.
(set_process_mask_delta): New function.
(_cygtls::call_signal_handler): Replace the first call to set_process_mask by a
call to set_process_mask_delta.
* tlsoffsets.h: Regenerate.
* cygtls.cc (_cygtls::fixup_after_fork): Remove unneeded setting of oldmask.
* exceptions.cc: Remove some __I386__ conditionals.
(handle_exceptions): Move ppid test to outside of a loop for efficiency.
(setup_handler): Make debugging output more wordy.
(_cygtls::call_signal_handler): To avoid a race, use lock/unlock to synchronize
with signal thread and ensure that signal_arrived event has actually been set.
* gendef (_sigfe): Use ebx for all sigstack manipulations to ensure that the
register is saved. Move setting of incyg to within stack lock to avoid
setup_handler confusion.
(_sigbe): Use ebx for all sigstack manipulations to ensure that the register is
saved.
(_cygtls::pop): Ditto.
(_cygtls::lock): Ditto.
(stabilize_sig_stack): Ditto.
(setjmp): Ditto.
(longjmp): Ditto.
PR ada/14131
Move language detection to the top level.
* configure.in: Find default values for the tools as
soon as possible. Disable ada if GNAT is not found.
Emit error message about missing languages. Expand
--enable-languages=all for the gcc subdirectory.
(config)
2004-03-08 Paolo Bonzini <bonzini@gnu.org>
PR ada/14131
Move language detection to the top level.
* acx.m4 (ACX_PROG_GNAT): New macro, moved here
from the gcc subdirectory.
2004-03-09 Hans-Peter Nilsson <hp@axis.com>
* accross.m4 (AC_C_BIGENDIAN_CROSS): Compile endian probe with
"-c". Properly quote parameter for AC_MSG_ERROR.
* exceptions.cc (setup_handler): Avoid suspending a thread if it in a cygwin
function, in an exception, spinning, or locked.
* gendef (_sigfe): Move incyg setting earlier.
(sigreturn): Set incyg flag to avoid interrupting called cygwin functions.
(sigdelayed): Ditto.
(stabilize_sig_stack): Ditto.
* sigproc.cc (proc_subproc): Don't restore process lock early in exec case.
* cygtls.h: Reorganize fields in _cygtls slightly.
* tlsoffsets.h: Regenerate.
* fork.cc (fork_parent): Save parent pid in a temporary variable since child
could conceivably exit before function returns, rendering the child's shared
memory area invalid.
* cygtls.h (_cygtls::incyg): Declare new field.
(_cygtls::in_exception): Define new function.
* exceptions.cc (setup_handler): Remove locked flag. Use 'incyg' flag and
in_exception function to determine when we're in a cygwin function.
(_cygtls::call_signal_handler): Decrement incyg flag prior to calling a
handler. Increment it on return.
* gendef (_sigfe): Increment incyg flag. Use testl for zero testing rather
than orl, for consistency.
(_sigbe): Decrement incyg flag. Use testl for zero testing rather than orl,
for consistency.
(_cygtls::pop): Use testl for zero testing rather than orl, for consistency.
(stabilize_sig_stack): Ditto.
Thomas Pfaff [Thu, 4 Mar 2004 21:04:14 +0000 (21:04 +0000)]
* include/pthread.h (PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP):
New define.
(PTHREAD_NORMAL_MUTEX_INITIALIZER_NP): Ditto.
(PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP): Ditto.
* thread.cc (pthread_mutex::is_good_initializer):
Check for all posssible initializers
(pthread_mutex::is_good_initializer_or_object): Ditto.
(pthread_mutex::is_good_initializer_or_bad_object): Ditto.
(verifyable_object_isvalid): Support up to three static
initializers.
(verifyable_object_isvalid (void const *,long)): Remove.
(pthread_cond::is_good_initializer_or_bad_object): Remove
unneeded objectState var.
(pthread_cond::init): Condition remains unchanged when creation
has failed.
(pthread_rwlock::is_good_initializer_or_bad_object): Remove
unneeded objectState var.
(pthread_rwlock::init): Rwlock remains unchanged when creation
has failed.
(pthread_mutex::init): Remove obsolete comment.
Mutex remains unchanged when creation has failed. Add support
for new initializers.
(pthread_mutex_getprioceiling): Do not create mutex,
just return ENOSYS.
(pthread_mutex_lock): Simplify.
(pthread_mutex_trylock): Remove unneeded local themutex.
(pthread_mutex_unlock): Just return EPERM if mutex is not
initialized.
(pthread_mutex_setprioceiling): Do not create mutex,
just return ENOSYS.
* thread.h (verifyable_object_isvalid): Support up to three
static initializers.
(verifyable_object_isvalid (void const *,long)): Remove
prototype.
(pthread_mutex::init): Add optional initializer to parameter
list.
* gendef (sigreturn): Call stabilize_sig_stack to ensure that there are no
pending signals. Restore edx later.
(sigdelayed): Save edx earlier.
* malloc_wrapper.cc (malloc_init): Add some more debugging output.
Jeff Johnston [Thu, 4 Mar 2004 00:35:03 +0000 (00:35 +0000)]
2004-03-03 Stephane Carrez <stcarrez@nerim.fr>
* m68hc11/sci-inout.S: Supports -mlong-calls.
* m68hc11/sim-valid-m68hc11.ld (.tramp): New section for trampolines.
(.text): Mark the .installN and .finiN section with KEEP.
(.vectors): Likewise for .vectors.
(.gcc_except_table): New section.
* m68hc11/sim-valid-m68hc12.ld (.tramp): New section for trampolines.
(.text): Mark the .installN and .finiN section with KEEP.
(.vectors): Likewise for .vectors.
(.gcc_except_table): New section.
Joern Rennecke [Wed, 3 Mar 2004 18:01:49 +0000 (18:01 +0000)]
2003-03-03 Andrew Stubbs <andrew.stubbs@superh.com>
opcodes:
* sh-dis.c (print_insn_sh): Don't disassemble fp instructions in
nofpu mode. Add BFD type bfd_mach_sh4_nommu_nofpu.
* sh-opc.h: Add sh4_nommu_nofpu architecture and adjust instructions
accordingly.
bfd:
* archures.c: Add bfd_mach_sh4_nommu_nofpu.
* cpu-sh.c: Ditto.
* elf32-sh.c: Ditto.
* bfd-in2.h: Regenerate.
include/elf:
* sh.h: Add EF_SH4_NOMMU_NOFPU.
gas:
* config/tc-sh.c (md_parse_option): Add -isa=sh4-nofpu and
-isa=sh4-nommu-nofpu options. Adjust help messages accordingly.
(sh_elf_final_processing): Output BFD type sh4_nofpu if that is
the most general type or the user specifically requested it.
(md_assemble): Add a new error message for when an instruction
is understood, but is not allowed due to an -isa option.
* fhandler_raw.cc (fhandler_dev_raw::raw_read): When reading with
variable block size, read only one block, read directly into user
supplied buffer, return ENOMEM if user supplied buffer is smaller
than size of next block to read. Use read2 instead of bytes_to_read
to count number of bytes read.
* fhandler_tape.cc (fhandler_dev_tape::open): Add debug output.
* sysv_sem.cc (semundo_adjust): Check for process id instead of
process struct pointer, which isn't fixed under Cygwin.
(semexit_myhook): Ditto. Adjust debug print statements to print
Cygwin and Windows PIDs instead of process pointer under Cygwin.
Corinna Vinschen [Thu, 26 Feb 2004 11:32:20 +0000 (11:32 +0000)]
* miscfuncs.cc (check_invalid_virtual_addr): Assure the last page
in the range is always tested. Add appropriate const.
* mmap.cc (mmap_record::aloc_fh): Remove unused static path_conf object.
* exceptions.cc (setup_handler): Signal event for any sigwaitinfo if it exists
to force signal to be handled. Zero event here to prevent races.
* signal.cc (sigwaitinfo): Use local handle value for everything since signal
thread could zero event element at any time. Detect when awaking due to thread
not in mask and set return value and errno accordingly. Don't set signal
number to zero unless we've recognized the signal.
* sigproc.cc (sigq): Rename from sigqueue throughout.
* thread.cc (pthread::join): Handle signals received while waiting for thread
to terminate.
* cygwin.din: Export sighold, sigqueue.
* exceptions.cc (sighold): Define new function.
* signal.cc (handle_sigprocmask): Set correct errno for invalid signal.
Simplify debugging output.
(sigqueue): Define new function.
* include/cygwin/signal.h (sighold): Declare new function.
(sigqueue): Ditto.
* include/cygwin/version.h: Bump API minor version number.
* include/limits.h (TIMER_MAX): Define.
(_POSIX_TIMER_MAX): Ditto.
Corinna Vinschen [Tue, 24 Feb 2004 11:33:15 +0000 (11:33 +0000)]
* thread.cc (pthread::cancelable_wait): Rearrange slightly.
Add do_sig_wait parameter. Wait for signal_arrived if set to true.
Return WAIT_SIGNALED if signal arrived.
(pthread_cond::wait): Accomodate change to pthread::cancelable_wait.
(pthread::join): Ditto.
(semaphore::_timedwait): Ditto.
(semaphore::_wait): Ditto. Change to return int to allow status
feedback.
(semaphore::wait): Return return value from semaphore::_wait.
* thread.h (WAIT_SIGNALED): New definition.
(pthread::cancelable_wait): Change declaration. Define do_sig_wait
as false by default to not interfere with existing calls accidentally.
(semaphore::_wait): Declare int.
2004-02-22 Joshua Daniel Franklin <joshuadfranklin@yahoo.com>
* Makefile.in: Fix problem links in faq0.html file.
* what.texinfo: Remove outdated 'recent' history.
* exceptions.cc (sigpacket::process): Make sure that tls is filled in for
SIGSTOP condition.
(_cygtls::call_signal_handler): Restore signal mask using saved oldmask rather
than current oldmask.
* path.cc (conv_path_list): Return error condition.
(copy1): New function.
(copyenc): New function.
(mount_item::fnmunge): Return error condition. Use new functions to copy
strings.
(mount_item::build_win32): Ditto.
(mount_info::conv_to_win32_path): Return error condition.
(cygwin_conv_to_posix_path): Return result of path conversion.
(cygwin_conv_to_full_posix_path): Ditto.
(return_with_errno): New macro.
(cygwin_win32_to_posix_path_list): Use new macro to potentially set errno.
(cygwin_posix_to_win32_path_list): Ditto.
* path.h (mount_item::fnmunge): Add size argument.
(mount_item::build_win32): Ditto.
* fork.cc (fork_child): Invert sense of test which defeated correct handling in
a fork from a non-main thread.
* dcrt0.cc (initial_env): Eliminate parameter and just send DebugBreak when
appropriate.
(dll_crt0_0): Reflect parameter change to initial_env.
(dll_crt0_1): Don't call initial_env.
* gendef (stabilize_sig_stack): New function.
(setjmp): Import, add sig stack handling. Store sig stack info.
(longjmp): Call stabilize_sig_stack. Restore sig stack info.
* config/i386/setjmp.c: Remove.
Earnie Boyd [Sun, 15 Feb 2004 09:46:16 +0000 (09:46 +0000)]
* include/w32api.h: Increment version to 3.0.
* Makefile.in: Ditto.
* README.win32api: Modify license to Public Domain per agreement as
found in the mingw-dvlpr list archive.
* Makefile.in (clean): Remove sigfe.s.
(sigfe.s): Ensure that sigfe.s will be regenerated if it does not exist.
* dll_init.cc (dll_dllcrt0): Simplify initializing tests.
* exceptions.cc (setup_handler): Detect when stub caller is either spinning or
has acquired the lock after being suspended to avoid windows problems with
suspending a win32 API call.
* cygtls.h (_cygtls::spinning): Declare new element.
* gendef: Remove unused _siglist_index and _siglist declaration.
(_sigfe): Set spinning element when potentially looping, waiting for lock.
(_sigbe): Ditto.
(_cygtls::lock): Ditto.
(_longjmp): Ditto.
* tlsoffsets.h: Regenerate.
* pinfo.cc (_pinfo::exit): Set final exit state here. Call sigproc_terminate
if invoked with 'norecord'. Clear any residual _cygtls stuff.
* winsup.h (exit_states): Define ES_FINAL.
* spawn.cc (spawn_guts): Don't call proc_terminate specifically when execing.
Let _pinfo::exit handle that case.
* sigproc.cc (wait_subproc): Always exit loop early when proc_loop_wait.
* init.cc (munge_threadfunc): Eliminate unused argument.
(dll_entry): Reflect above change in call to munge_threadfunc.
Rename _threadinfo to _cygtls, throughout.
* cygtls.h (_cygtls::call_signal_handler): Rename from call_signal_handler_now.
(_cygtls::push): Make second argument mandatory.
(_cygtls::fixup_after_fork): Declare new function.
(_cygtls::lock): Ditto.
* cygtls.cc (_cygtls::fixup_after_fork): Define new function.
* dcrt0.cc (cygwin_finished_initializing): Define as bool.
(alloc_stack): Use _tlstop rather than arbitrary variable in probably vain
attempt to avoid strange fork problem on CTRL-C.
(dll_crt0_0): Remove obsolete winpids::init call.
* dll_init.cc (dll_dllcrt0): Detect forkee condition as equivalent to
initializing.
* winsup.h (cygwin_finished_initializing): Declare as bool.
* exceptions.cc (handle_exceptions): Rely on cygwin_finished_initializing to
determine how to handle exception during process startup.
(_cygtls::call_signal_handler): Rename from call_signal_handler_now.
(_cygtls::interrupt_now): Fill in second argument to push.
(signal_fixup_after_fork): Eliminate.
(setup_handler): Initialize locked to avoid potential inappropriate unlock.
Resume thread if it has acquired the stack lock.
(ctrl_c_handler): Just exit if ctrl-c is hit before cygiwn has finished
initializing.
* fork.cc (sync_with_child): Don't call abort since it can cause exit
deadlocks.
(sync_with_child): Change debugging output slightly.
(fork_child): Set cygwin_finished_initializing here. Call _cygtls fork fixup
and explicitly call sigproc_init.
(fork_parent): Release malloc lock on fork failure.
(vfork): Call signal handler via _my_tls.
* sigproc.cc (sig_send): Ditto.
* syscalls.cc (readv): Ditto.
* termios.cc (tcsetattr): Ditto.
* wait.cc (wait4): Ditto.
* signal.cc (nanosleep): Ditto.
(abort): Ditto.
(kill_pgrp): Avoid killing self if exiting.
* sync.cc (muto::acquire): Remove (temporarily?) ill-advised exiting_thread
check.
* gendef (_sigfe): Be more agressive in protecting stack pointer from other
access by signal thread.
(_cygtls::locked): Define new function.
(_sigbe): Ditto.
(_cygtls::pop): Protect edx.
(_cygtls::lock): Use guaranteed method to set eax to 1.
(longjmp): Aggressively protect signal stack.
* miscfuncs.cc (low_priority_sleep): Reduce "sleep time" for secs == 0.
* pinfo.cc (winpids::set): Counterintuitively use malloc's lock to protect
simultaneous access to the pids list since there are pathological conditions
which can cause malloc to call winpid.
(winpids::init): Eliminate.
* pinfo.h (winpids::cs): Eliminate declaration.
* pinfo.h (winpids::init): Eliminate definition.
git://sourceware.org / newlib-cygwin.git / log