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* Remove the libkse directory. It was unhooked from the build and kernelBrooks Davis2014-04-161-231/+0
| | | | | | | | | | support removed in 2008 (prior to 8.0). Approved by: deischen, imp MFC after: 3 days Notes: svn path=/head/; revision=264543
* Remove hacks to allow libkse to export its symbols in the LIBTHREAD_1_0Daniel Eischen2007-12-161-15/+0
| | | | | | | | version namespace which was needed before the library version was bumped. Notes: svn path=/head/; revision=174689
* WARNS=3'ify.Daniel Eischen2007-11-301-8/+10
| | | | Notes: svn path=/head/; revision=174112
* Move the added code in revision 1.26 into function pthread_key_create,David Xu2007-11-261-6/+6
| | | | | | | it should be there. Notes: svn path=/head/; revision=173921
* MFlibthr:David Xu2007-11-191-1/+5
| | | | | | | In _pthread_key_create() ensure that libkse is initialized. Notes: svn path=/head/; revision=173741
* Remove 3rd clause, renumber, ok per emailWarner Losh2007-01-121-4/+1
| | | | Notes: svn path=/head/; revision=165967
* Add compatibility symbol maps. libpthread (.so.1 and .so.2)Daniel Eischen2006-03-131-1/+17
| | | | | | | | | | | | | | used LIBTHREAD_1_0 as its version definition, but now needs to define its symbols in the same namespace used by libc. The compatibility hooks allows you to use libraries and binaries built and linked to libpthread before libc was built with symbol versioning. The shims can be removed if libpthread is given a version bump. Reviewed by: davidxu Notes: svn path=/head/; revision=156611
* Add code to support thread debugging.David Xu2004-07-131-21/+14
| | | | | | | | | | | | | | | | | | 1. Add global varible _libkse_debug, debugger uses the varible to identify libpthread. when the varible is written to non-zero by debugger, libpthread will take some special action at context switch time, it will check TMDF_DOTRUNUSER flags, if a thread has the flags set by debugger, it won't be scheduled, when a thread leaves KSE critical region, thread checks the flag, if it was set, the thread relinquish CPU. 2. Add pq_first_debug to select a thread allowd to run by debugger. 3. Some names prefixed with _thr are renamed to _thread prefix. which is allowed to run by debugger. Notes: svn path=/head/; revision=132120
* Add back a loop for up to PTHREAD_DESTRUCTOR_ITERATIONS toDaniel Eischen2003-08-201-12/+20
| | | | | | | | | | destroy thread-specific data. Display a warning when thread specific data remains after PTHREAD_DESTRUCTOR_ITERATIONS. Reviewed by: davidxu Notes: svn path=/head/; revision=119154
* Access user provided pointer out of lock, and also check the case whenDavid Xu2003-08-161-8/+10
| | | | | | | a key is less than 0. Notes: svn path=/head/; revision=118984
* Revamp libpthread so that it has a chance of working in an SMPDaniel Eischen2003-04-181-43/+42
| | | | | | | | | | | | | | | | | | | | | | environment. This includes support for multiple KSEs and KSEGs. The ability to create more than 1 KSE via pthread_setconcurrency() is in the works as well as support for PTHREAD_SCOPE_SYSTEM threads. Those should come shortly. There are still some known issues which davidxu and I are working on, but it'll make it easier for us by committing what we have. This library now passes all of the ACE tests that libc_r passes with the exception of one. It also seems to work OK with KDE including konqueror, kwrite, etc. I haven't been able to get mozilla to run due to lack of java plugin, so I'd be interested to see how it works with that. Reviewed by: davidxu Notes: svn path=/head/; revision=113658
* Make the changes needed for libpthread to compile in its new home.Jonathan Mini2002-09-161-1/+1
| | | | | | | | | | | The new libpthread will provide POSIX threading support using KSE. These files were previously repo-copied from src/lib/libc_r. Reviewed by: deischen Approved by: -arch Notes: svn path=/head/; revision=103388
* Add the ability to recognize old references to keys, and return NULLDaniel Eischen2002-03-191-21/+41
| | | | | | | | when old keys are referenced (after pthread_key_delete()) via pthread_getspecific(). Notes: svn path=/head/; revision=92730
* To be consistent, use the __weak_reference macro from <sys/cdefs.h>Daniel Eischen2001-04-101-4/+4
| | | | | | | | | instead of #pragma weak to create weak definitions. Suggested by: bde Notes: svn path=/head/; revision=75369
* Add weak definitions for wrapped system calls. In general:Daniel Eischen2001-01-241-23/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | _foo - wrapped system call foo - weak definition to _foo and for cancellation points: _foo - wrapped system call __foo - enter cancellation point, call _foo(), leave cancellation point foo - weak definition to __foo Change use of global _thread_run to call a function to get the currently running thread. Make all pthread_foo functions weak definitions to _pthread_foo, where _pthread_foo is the implementation. This allows an application to provide its own pthread functions. Provide slightly different versions of pthread_mutex_lock and pthread_mutex_init so that we can tell the difference between a libc mutex and an application mutex. Threads holding mutexes internal to libc should never be allowed to exit, call signal handlers, or cancel. Approved by: -arch Notes: svn path=/head/; revision=71581
* -Wall and minor style(9) cleanups.Daniel Eischen1999-12-281-1/+1
| | | | Notes: svn path=/head/; revision=55194
* $Id$ -> $FreeBSD$Peter Wemm1999-08-281-1/+1
| | | | Notes: svn path=/head/; revision=50476
* Add RCS IDs to those files without them.Daniel Eischen1999-08-051-1/+2
| | | | | | | | | | Fix copyrights (s/REGENTS/AUTHOR). Suggested by: tg Approved by: jb Notes: svn path=/head/; revision=49439
* - Fixed bug where we NULL'd before we freed the data causing a memory leak.Nate Williams1999-05-141-1/+1
| | | | | | | | Submitted by: Ralf S. Engelschall Obtained from: PR i386/11713 Notes: svn path=/head/; revision=47206
* NULL a pointer after it is freed to avoid trying to free it again.John Birrell1998-09-301-0/+2
| | | | Notes: svn path=/head/; revision=39804
* Implement compile time debug support instead of tracking file name andJohn Birrell1998-06-091-22/+17
| | | | | | | | | | line number every time a file descriptor is locked. This looks like a big change but it isn't. It should reduce the size of libc_r and make it run slightly faster. Notes: svn path=/head/; revision=36830
* Simplify the handling of thread specific data. Only track if a keyJohn Birrell1998-06-061-45/+33
| | | | | | | | | is allocated or not, rather than keeping a count and attempting to know it it is in-use. POSIX says that once a key is deleted, using the key again results in undefined behaviour. Notes: svn path=/head/; revision=36697
* Remove some stale code.John Birrell1998-05-311-1/+1
| | | | | | | Pointed out by: Amancio Notes: svn path=/head/; revision=36549
* Change signal model to match POSIX (i.e. one set of signal handlersJohn Birrell1998-04-291-66/+44
| | | | | | | | | | | | | | | | | | | | | | | for the process, not a separate set for each thread). By default, the process now only has signal handlers installed for SIGVTALRM, SIGINFO and SIGCHLD. The thread kernel signal handler is installed for other signals on demand. This means that SIG_IGN and SIG_DFL processing is now left to the kernel, not the thread kernel. Change the signal dispatch to no longer use a signal thread, and call the signal handler using the stack of the thread that has the signal pending. Change the atomic lock method to use test-and-set asm code with a yield if blocked. This introduces separate locks for each type of object instead of blocking signals to prevent a context switch. It was this blocking of signals that caused the performance degradation the people have noted. This is a *big* change! Notes: svn path=/head/; revision=35509
* Modify the return values to comply with POSIX. Previously theseAlexander Langer1997-11-251-1/+0
| | | | | | | | | functions would return -1 and set errno to indicate the specific error. POSIX requires that the functions return the error code as the return value of the function instead. Notes: svn path=/head/; revision=31402
* Submitted by: John BirrellJulian Elischer1997-02-051-1/+1
| | | | | | | uthreads update from the author. Notes: svn path=/head/; revision=22315
* Make pthread_getspecific() compliant with the final IEEE pthreadsJeffrey Hsu1996-11-111-9/+9
| | | | | | | specification: return parameter passing changed. Notes: svn path=/head/; revision=19630
* Submitted by: John Birrell <cimaxp1!jb@werple.net.au>Julian Elischer1996-08-201-10/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Here are the diffs for libc_r to get it one step closer to P1003.1c These make most of the thread/mutex/condvar structures opaque to the user. There are three functions which have been renamed with _np suffixes because they are extensions to P1003.1c (I did them for JAVA, which needs to suspend/resume threads and also start threads suspended). I've created a new header (pthread_np.h) for the non-POSIX stuff. The egrep tags stuff in /usr/src/lib/libc_r/Makefile that I uncommented doesn't work. I think its best to delete it. I don't think libc_r needs tags anyway, 'cause most of the source is in libc which does have tags. also: Here's the first batch of man pages for the thread functions. The diff to /usr/src/lib/libc_r/Makefile removes some stuff that was inherited from /usr/src/lib/libc/Makefile that should only be done with libc. also: I should have sent this diff with the pthread(3) man page. It allows people to type make -DWANT_LIBC_R world to get libc_r built with the rest of the world. I put this in the pthread(3) man page. The default is still not to build libc_r. also: The diff attached adds a pthread(3) man page to /usr/src/share/man/man3. The idea is that without libc_r installed, this man page will give people enough info to know that they have to build libc_r. Notes: svn path=/head/; revision=17706
* Reviewed by: julianJulian Elischer1996-01-221-0/+237
Submitted by: john birrel One version of the pthreads library another will follow with differnt actions under some cases.. not QUITE complete Notes: svn path=/head/; revision=13546
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