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- change 2 instances of the check from != "yes" to == "no"
ok deraadt@
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timer. Allows threaded aps to be profiled. Tested on i386,
alpha, macppc, sparc64 and vax. miod@ says: I think this is the
right thing to do.
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- new sentence, new line
- clean up .Xrs
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non-thread-safe dl functions. Only enabled for ELF architectures
at this time as needed dlxxx support has not yet been added to the
a.out run time loader.
'doesn't break xmms at least' tedu@. Tested by others with no comment
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also new sentence, new line.
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THAT ADVICE -- IT IS THERE FOR A REASON
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This is easier than fixing the strcpy in the file.
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from Mike Neuman;
closes PR 3030
ok marc@
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pthread_exit prototype. Replace with just __dead.
OK millert@, marc@
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these are all David Leonard, and Public Domain
ok deraadt@
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the great intial witch hunt, as prompted by tdeval@
os-aix-dso.c: ok henning@
ab.C: ok drahn@
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- better function descriptions
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Also, for safety lock the _thread_fd_table when removing entries.
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_thread_fd_table_dup
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to notice that the file exists. This fixes a problem where an
application may think a file was in non-block mode because the
threads kernel played with the flags. Also fix a stupid error
introduced in the last commit -- the threaded version of dup and
dup2 were foobared. Bad marc.
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for dup-ed fds are shared to ensure proper flag handling. A refcnt
was added to control when entries should be freed. Specific changes:
close: don't free entry unless refcnt is zero
dup: rewrite to use new function _thread_fd_table_dup
dup2: rewrite to use new function _thread_fd_table_dup
fcntl: use _thread_fd_table_dup
uthread_fd: initialize thread fd table, searching for dup-ed fds. Add
function to share _thread_fd_table entries when an fd is dup-ed.
uthread_init: make it readable. Call fd init functions.
All current regression tests plus the mysql torture test pass. The
new stdfiles regression test fails (I/O redirection problem). Part
2 is intended to fix that problem
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Clean up (compiler warning elimination). Compile check options added
but commented out as they have not been checked on all architectures, yet.
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of the thread regressions tests pass on i386, sparc, sparc64
(save the siginfo test on sparc64 due to a kernel issue) and alpha.
The tests should also pass on ppc.
In addition, it fixes the problems with the "mysql torture test"
provided by one of our users. The python port also appears to
work correctly with these changes.
Summary of changes:
* check_pending removed from thread structure, no longer used.
* unused elements of sigstatus structure removed. The sigstatus
structure is now used to keep track of siginfo data instead of
defining a local array in uthread_sig.c.
* _thread_kern_sched_sig removed
* _thread_sig_process goes away -- can't have a lock active when
signal handlers are called. Functions now call _thread_sig_handle
directly.
* _thread_clear_pending now used lib wide to clear pending flags.
It was named _clean_pending_flag and only used in uthread_sig.c.
The function clears both per thread signals, and per process signals.
* _thread_sig_handle now returns a value.
* unused debugging macros removed from the thread kernel
* dispatch pending signals after switching to a thread providing
that signal handling hasn't been deferred by the thread.
* process thread switchhooks before dispatching pending sigs
* check for thread cancellation before dispatching pending sigs
* re-wrote pthread-kill to do the correct thing. It now does
minimal thread-kill-specific processing and then calls the
existing code in uthread_sig to process the generated signal.
* shut the compiler up when compiling uthread_mutex.c
* no more "signal_lock". It does more harm than good.
* keep track of "per-process" signals.
* don't bother saving siginfo_t data for the scheduling signal.
* per posix: SIGSTOP cleared when SIGCONT received and vice versa.
* add _dispatch_signal to properly dispatch a signal to a thread.
It sets the appropriate signal mask, something that was missing
in the previous implementation. This fixes several bugs.
The previous method held a lock. If the signal handler longjmp-ed
the lock was never cleared and no more signals were processed.
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half-sized areas. fixes preemption_float on powerpc.
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If the fpu isn't enabled, don't save state, otherwise, save the state,
mark both sides clean and disable the fpu.
On restore:
If the saved fpu state has the fpu disabled, do nothing, otherwise, restore
everything.
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an arch/i386 patch previously commited and arch/sparc64 patches
from jason@ make the preemption_float test pass on those two
architectures.
Do not run signal handlers for a thread until the thread has
been made current, ensuring the proper context. Solves several
(if not all) of the '_pq_insert_tail: Already in priority queue'
problems.
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This is necessary for alpha setjmp. The alpha setjmp/longjmp
regression tests pass with -pthread with this change
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are both void.
The select call is a cancellation point per IEEE Std 1003.1-2001.
This should fix a problem espie@ found in kde.
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takes their place. The -pthread option to gcc uses libpthread.
ppc portion of patch from drahn@ (thanks). gcc portions of patch
OK espie@. Ports testing (no bad effects!) by naddy@
best build sequence is: build gcc, build system, build ports
remove /usr/lib/lib{c_r,npthread}.*. Note, once libc_r and
libnpthread is removed threaded ports will stop working until
they have been re-built using the libpthread and the updated gcc.
That's why the above build sequence is recommended.
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is defined as an int. This solves several alpha/pthread problems
as repoted by various ports people.
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