support _POSIX_VDISABLE at all. It's even questionable whether the value
(unsigned char)-2 is a good choice.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29137 a95241bf-73f2-0310-859d-f6bbb57e9c96
dlopen()ed objects was incorrect. This should fix problems with ports of
software with a plugin/add-on interface.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29112 a95241bf-73f2-0310-859d-f6bbb57e9c96
assumption, that the program image is ignored when relocating symbols of
dlopen()ed objects, is incorrect.
* Adjusted the tests that were failing due to that.
* The RTLD_NEXT test also fails with openSuse 10.3 -- apparently the semantics
has changed between the Linux versions.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29111 a95241bf-73f2-0310-859d-f6bbb57e9c96
UserBuildConfigRulePreImage, and UserBuildConfigRulePostImage which will be
invoked at different points in the build system execution. They can be
overridden in UserBuildConfig, thus allowing for executing user code at
those points.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28765 a95241bf-73f2-0310-859d-f6bbb57e9c96
be used.
* Added tty::ref_count. Each cookie keeps a reference. Only when a
cookie is freed the reference is surrendered. A tty is considered used
as long as it is still referenced. This allows to access a tty through
the cookie, even if it already has been closed.
* Fixed tty_deselect(). It was keeping registered select events when
called after the cookie has been closed. The referenced select_sync
structure would become invalid and later attempts to send select
notifications for the tty could crash. Fixes#3126.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28651 a95241bf-73f2-0310-859d-f6bbb57e9c96
memory to free was empty, but didn't check the list with objects to
delete. So those were queued until someone used deferred_free().
Should fix#3128.
* Run the daemon once a second instead of every five seconds, so memory
is recycled a little quicker.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28644 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Updated autoconf, automake, libtool, texinfo, flex, and bison to
their respectively current version. They are installed in /boot/common
now.
* Removed the /boot/home/config/bin/perl and /bin/m4 symlinks again.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28582 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Replaced debug_printf() invocations by a macro, which is set to
ktrace_printf() by default.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28581 a95241bf-73f2-0310-859d-f6bbb57e9c96
the per-root-image breadth-first sorted image array. Instead we have a
per-image hook function to resolve the symbols. The default function
uses the sLoadedImages list directly, which is breadth-first sorted
anyway. There's also a BeOS function for old-style symbol resolution
and one for add-ons, which lacks a proper implementation yet (just
uses old-style ATM).
* Made the dl*() functions POSIX compliant:
- dlopen() does no longer use load_add_on(), but loads the object as a
library. It also properly supports a NULL name, now -- the previous
"_APP_" work-around did only work, if this soname was set on the
program (unlikely for programs using this API).
- Implemented RTLD_{GLOBAL,LOCAL}.
- dlsym() looks up symbols properly now, i.e. not just in the given
image, but breadth-first for an actual image or in load order for
the global scope. It also supports the not-quite POSIX RTLD_DEFAULT
and RTLD_NEXT extensions. Our RTLD_NEXT finds more symbols than in
Linux (also in later dlopen()ed libraries), but that should be fine.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28568 a95241bf-73f2-0310-859d-f6bbb57e9c96
to succeed on Linux. FreeBSD fails some tests since it seems to have a
different load order (depth-first instead of breadth-first). Haiku fails
a lot of tests due to its POSIX non-compliant dlopen().
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28556 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Added GNU M4 1.4.12 package to the Development optional package.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28486 a95241bf-73f2-0310-859d-f6bbb57e9c96
wait_for_thread() doesn't provide that; use waitpid() instead.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28479 a95241bf-73f2-0310-859d-f6bbb57e9c96
for the runtime loader add-on interface. There's a small library
(libltrace_stub.so) that when preloaded reroutes all library calls
through a stub that prints the function name and some of its arguments
to the debug output.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28476 a95241bf-73f2-0310-859d-f6bbb57e9c96
can export a structure containing callback hooks invoked by the
runtime loader when certain image events occur (image loaded,
relocated, initialized, etc.).
* Also added a mechanism to patch image symbols. For an image callback
functions can be installed that patch symbols exported or imported by
the image.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28475 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Added new(mynothrow) operators which avoid clashes when also linking
against libgcc.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28474 a95241bf-73f2-0310-859d-f6bbb57e9c96
<runtime_loader.h>, since it isn't a kernel <-> userland interface.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28456 a95241bf-73f2-0310-859d-f6bbb57e9c96
add-on) we create a breadth-first sorted image list and use that to
search for symbols.
* Added support for preloading libraries. The environment variable
LD_PRELOAD can contain a whitespace-separated list of shared objects
that will be loaded before the program. This allows to replace
symbols without changing the executable or libraries.
* Resolved TODO in load_program() regarding the order of remapping the
images and initializing the dependencies (problem fixed in r28453).
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28455 a95241bf-73f2-0310-859d-f6bbb57e9c96
used into the file name. This makes it easier to find the thread(s) one
is looking for.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28446 a95241bf-73f2-0310-859d-f6bbb57e9c96
added, if their creation event was now or in the future. Obviously we're
only interested in images that do already exist, though. Also get rid of
"new" images that already have been deleted in the meantime.
Fixes problem that for some threads (almost) no images were added and
thus no functions could be resolved.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28441 a95241bf-73f2-0310-859d-f6bbb57e9c96
also for error check mutexes, otherwise the next pthread_mutex_lock()
will fail.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28428 a95241bf-73f2-0310-859d-f6bbb57e9c96
apparently is enabled by default on newer Ubuntu versions and breaks the
gcc build.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28396 a95241bf-73f2-0310-859d-f6bbb57e9c96
installation has been relocated to /boot/common and socket support is
enabled.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28364 a95241bf-73f2-0310-859d-f6bbb57e9c96
* The pthread_mutex_*lock() family should return EDEADLK when re-locking
an error-checked mutex.
* pthread_mutex_trylock() is supposed to return EBUSY, not
B_WOULD_BLOCK.
* pthread_mutex_unlock() should return EPERM when the caller is not the
owner. It used to print a message and try to unlock anyway.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28354 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Fixed some places that set an error return value but didn't actually
return.
* Fixed success case return value. The number of bytes received must be
returned, not B_OK.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28335 a95241bf-73f2-0310-859d-f6bbb57e9c96
ssize_t, not a status_t, so the following setting of the address length
was never invoked, causing recvfrom() to always return the passed in
size.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28334 a95241bf-73f2-0310-859d-f6bbb57e9c96
stat::st_{dev,ino}.
* stat::st_rdev is unused, but at least initialize it with some
deterministing value. This makes Perl's lib/File/stat.t test happy.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28333 a95241bf-73f2-0310-859d-f6bbb57e9c96
the wrong Link actions were used (always the no-attributes-support ones
which remove the target first), for instance.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28304 a95241bf-73f2-0310-859d-f6bbb57e9c96
* vm_clone_area() does now set the B_SHARED_AREA flag on both the source
and the cloned area. This is necessary, since it would no longer be
guaranteed that areas are backed by leaf caches only (after
fork()ing), which doesn't work with our cache merging strategy.
Fixes#2605.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28296 a95241bf-73f2-0310-859d-f6bbb57e9c96
matches the program's image name. This is a special case for add-ons
that link against the application, with the application not having a
soname set. The concerned Pe add-ons (HeaderHeader and others) work now.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28294 a95241bf-73f2-0310-859d-f6bbb57e9c96
This is not necessary, since userland teams' page directories also
contain the kernel mappings, and avoids unnecessary TLB flushes. To make
that possible the vm_translation_map_arch_info objects are reference
counted now.
This optimization reduces the kernel time of the Haiku build on my
machine with SMP disabled a few percent, but interestingly the total
time decreases only marginally. Haven't tested with SMP yet, but for
full impact CPU affinity would be needed.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28287 a95241bf-73f2-0310-859d-f6bbb57e9c96
that dprintf_no_syslog() can avoid sending something to the syslog.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28286 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Added deferred_delete() that takes a DeferredDeletable and deletes it
asynchronously.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28285 a95241bf-73f2-0310-859d-f6bbb57e9c96
scheduler_set_thread_priority(). Setting the thread priority was the
only situation in which it was used.
* Renamed scheduler.cpp to scheduler_simple.cpp.
* The scheduler functions are no longer called directly. Instead there's
an operation vector now, which is initialized at kernel init time.
This allows for picking the most suitable scheduler for the machine
(e.g. a non-SMP scheduler on a non-SMP machine).
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28262 a95241bf-73f2-0310-859d-f6bbb57e9c96
scheduler tracing and scheduler analysis code into separate source
files.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28253 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Turned the checks for all those macros to "#if"s instead of "#ifdef"s.
* Introduced macro KDEBUG_LEVEL which serves as a master setting.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28248 a95241bf-73f2-0310-859d-f6bbb57e9c96
index into the sLastCaller array is vint32, so after overflowing the
modulo operation would yield negative indices. This would cause the
256 bytes before the array to be overwritten. Might also be the cause of
#2866.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28245 a95241bf-73f2-0310-859d-f6bbb57e9c96
added vm_memcpy_from_physical() and vm_memcpy_physical_page(), and
added respective functions to the vm_translation_map operations. The
architecture specific implementation can now decide how to implement
them most efficiently. Added generic implementations that can be used,
though.
* Changed vm_{get,put}_physical_page(). The former no longer accepts
flags (the only flag PHYSICAL_PAGE_DONT_WAIT wasn't needed anymore).
Instead it returns an implementation-specific handle that has to be
passed to the latter. Added vm_{get,put}_physical_page_current_cpu()
and *_debug() variants, that work only for the current CPU,
respectively when in the kernel debugger. Also adjusted the
vm_translation_map operations accordingly.
* Made consequent use of the physical memory operations in the source
tree.
* Also adjusted the m68k and ppc implementations with respect to the
vm_translation_map operation changes, but they are probably broken,
nevertheless.
* For x86 the generic physical page mapper isn't used anymore. It is
suboptimal in any case. For systems with small memory it is too much
overhead, since one can just map the complete physical memory (that's
not done yet, though). For systems with large memory it counteracts
the VM strategy to reuse the least recently used pages. Since those
pages will most likely not be mapped by the page mapper anymore, it
will keep remapping chunks. This was also the reason why building
Haiku in Haiku was significantly faster with only 256 MB RAM (since
that much could be kept mapped all the time).
Now we're using a different strategy: We have small pools of virtual
page slots per CPU that are used for the physical page operations
(memset_physical(), memcpy_*_physical()) with CPU-pinned thread.
Furthermore we have four slots per translation map, which are used to
map page tables.
These changes speed up the Haiku image build in Haiku significantly. On
my Core2 Duo 2.2 GHz 2 GB machine about 40% to 20 min 40 s (KDEBUG
disabled, block cache debug disabled). Still more than factor 3 slower
than FreeBSD and Linux, though.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28244 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Introduced flag "invoke_scheduler" in the per CPU structure. It is
evaluated in hardware_interrupt() (x86 only ATM).
* Introduced SMP_MSG_RESCHEDULE_IF_IDLE message, which enters the
scheduler when the CPU currently runs an idle thread.
* Don't do dprintf() "CPU x halted!" when handling a SMP_MSG_CPU_HALT
ICI message. It uses nested spinlocks and could thus potentially
deadlock itself (acquire_spinlock() processes ICI messages, so it
could already hold one of the locks). This is a pretty likely scenario
on machines with more than two CPUs, but is also possible when the
panic()ing thread holds the threads spinlock. Probably fixes#2572.
* Reworked the way the kernel debugger is entered and added a "cpu"
command that allows switching the CPU once in KDL. It is thus possible
to get a stack trace of the thread not on the panic()ing CPU.
* When a thread is added to the run queue, we do now check, if another
CPU is idle and ask it to reschedule, if it is. Before this change, the
CPU was continuing to idle until the quantum of the idle thread
expired. Speeds up the libbe.so build about 8% on my machine (haven't
tested the full Haiku image build yet).
* When spinlock debugging is enabled (DEBUG_SPINLOCKS) we also record
the spinlock acquirer on non-smp machines. Added "spinlock" debugger
command to get the info.
* Added debugger commands "ici" and "ici_message", printing info on
pending ICI message respectively on a given one.
* Process not only a single ICI message in acquire_spinlock() and other
places, but all pending ones.
* Also process ICI messages when waiting for a free one -- avoids a
potential deadlock.
* Mask out non-existing CPUs in send_multicast_ici(). panic() instead of
just returning when there's no target CPU left.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28223 a95241bf-73f2-0310-859d-f6bbb57e9c96
* "iospace p" should only print the entries for actually existing
memory.
* Fixed output of "iospace v".
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28222 a95241bf-73f2-0310-859d-f6bbb57e9c96
{memset,memcpy_to}_physical() functions.
Mapping lots of physical pages at once as done before was an actual
problem on systems with enough RAM, as the physical page mapper can map
only 64 chunks at a time. So multiple threads could play dining
philosophers, each getting only one of two chopsticks, waiting for
another one to be freed.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28220 a95241bf-73f2-0310-859d-f6bbb57e9c96
the free queue.
* "thread" also prints the thread's I/O priority.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28218 a95241bf-73f2-0310-859d-f6bbb57e9c96
pages have to be written and how tight the memory situation is.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28198 a95241bf-73f2-0310-859d-f6bbb57e9c96
interrupted, another thread closing the other end of the pipe could
invoke thread_unblock() while the first thread already entered
mutex_lock(). This would make the first thread think it successfully
locked the mutex, without removing its (on-stack) wait entry from the
mutex queue, thus leading to crashes.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28195 a95241bf-73f2-0310-859d-f6bbb57e9c96
PHYSICAL_PAGE_{NO,CAN}_WAIT into an actual flag
PHYSICAL_PAGE_DONT_WAIT.
* Pass the flags through to the chunk mapper callback.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27979 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Use the new VMCache::Read() flags parameter to directly read into the
physical page in the page fault handler instead of mapping it first.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27966 a95241bf-73f2-0310-859d-f6bbb57e9c96
* memset() is now available through the commpage.
* CPU modules can provide a model-optimized memset().
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27952 a95241bf-73f2-0310-859d-f6bbb57e9c96
subdirectories. Also moved the x86 kernel arch_string.S there.
* Moved memcpy.c from src/system/libroot/posix/string into the
arch/generic subdirectory.
* Dealt with the consequences of moving things around. Affected are also
the boot loader and runtime loader builds.
Adjust the m68k and ppc parts, too, but only the x86 build is tested.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27947 a95241bf-73f2-0310-859d-f6bbb57e9c96
arch_vm_aspace_swap().
* The x86 implementation does now maintain a bit mask per
vm_translation_map_arch_info indicating on which CPUs the address
space is active. This allows flush_tmap() to avoid ICI for user
address spaces when the team isn't currently running on any other CPU.
In this context ICI is relatively expensive, particularly since we map
most pages via vm_map_page() and therefore invoke flush_tmap() pretty
much for every single page.
This optimization speeds up a "hello world" compilation about 20% on
my machine (KDEBUG turned off, freshly booted), but interestingly it
has virtually no effect on the "-j2" haiku build time.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27912 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Added smp_send_multicast_ici(), which sends the message to all CPUs
specified via a mask.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27910 a95241bf-73f2-0310-859d-f6bbb57e9c96
Ingo Weinhold