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2008-10-02Fix PR #5942: preserve errno across fd flag updates, so that successfulTheo de Raadt
calls to close(), closefrom(), and dup2() don't change it. ok tedu@, deraadt@, kurt@, millert@, art@, marco@ (miscommit: originally by guenther@)
2008-10-02the license on this is PD; david leonard says soTheo de Raadt
2008-10-01Assert my copyright on files I gave to d@ back in 1998.Dale Rahn
2008-07-07Application-specified thread stacks didn't work with libpthreadPhilip Guenthe
because it treated the supplied memory as holding an internal data structure instead of as the stack space itself ok kurt@, "looks ok" otto@, tested on hppa by kettenis@
2008-07-05- correct .Dt for pthread_attr_setstack.3Jason McIntyre
- new sentence, new line
2008-07-05Add manpage for pthread_attr_[sg]etstack(3)Philip Guenthe
Correct misnaming in STANDARDS section ok brad@ otto@
2008-06-26First pass at removing clauses 3 and 4 from NetBSD licenses.Ray Lai
Not sure what's more surprising: how long it took for NetBSD to catch up to the rest of the BSDs (including UCB), or the amount of code that NetBSD has claimed for itself without attributing to the actual authors. OK deraadt@
2008-06-25Move _POSIX_THREAD_SAFE_FUNCTIONS into unistd.h and set it to 200112Todd C. Miller
now that we support all the _r functions required by POSIX 1003.1-2001. Also define _POSIX_REENTRANT_FUNCTIONS. OK kurt@ deraadt@
2008-06-20Adjust the _SEM_CHECK_VALIDITY macro to detect NULL sem_t instead ofKurt Miller
segfaulting. okay marc@ todd@
2008-06-14zap last thread_malloc_init reference. otto@ okFederico G. Schwindt
2008-06-13remove _MALLOC_LOCK_INIT; major bump; ok deraadt@Otto Moerbeek
2008-06-03Don't grab the fd read lock for getsockopt(2), setsockopt(2),Kurt Miller
getpeername(2) or getsockname(2). Its not needed and causes threads to block when another thread is blocked and holding the read lock. Instead just protect against fd state transitions. Blocking problem reported by David S H Rosenthal from lockss.org okay beck@ "looks sane" deraadt@
2008-04-24Return the proper values upon failure per POSIX for pthread_sigmask(3) andKurt Miller
sigprocmask(2) in threaded programs. From Philip Guenther <guenther at sendmail.com> via PR library/5795. okay marc@
2008-04-04- do not call pthread_atfork(3) handlers when a multithreaded programKurt Miller
calls vfork(2). "untested, but looks OK" marc@ - document vfork(2), popen(3) and system(3) don't call atfork handlers in multithreaded programs. okay jmc@
2008-03-23Use fileno() instead of peeking into FILE *; Paul StoeberTheo de Raadt
2008-03-16bumpOtto Moerbeek
2008-02-02Relocate internal pipe file descriptor if newfd collides with it. FixesKurt Miller
bsd_auth(2) issue when compiled with threads. Reported by Joachim Wieland <joachim.wieland at credativ.de>. okay otto@ marc@
2008-01-28Properly align stack such that code that uses SSE2 instructions doesn't crash.Mark Kettenis
ok espie@, beck@
2008-01-05crank libc and libpthread, because libc cannot build lint libraries anymore ↵Theo de Raadt
if a syscall is OBSOL..
2008-01-01- make arc4random*() functions thread safe. Use a custom spinlock functionKurt Miller
instead of the generic pthread macros since free(3) uses __arc4_getbyte() when freeing small sized allocations and the generic pthread macros call malloc(3). - eliminate passing pointers to a static variable with global scope (rs) for additional code clarity and reduction. - shlib minor bumps for libc and libpthread due to new functions. From andreas@ with some bits from me. okay tedu@ marc@ w/some spot checking from millert@
2007-11-20make pthread vfork() not call fork(), but actually call vfork(). ourTheo de Raadt
vfork() has only one semantic: "parent stalls until child does execve or exit" and no other semantic. it is unfair to act as if pthread vfork() suddenly lacks that semantic. ok kurt millert kettenis beck
2007-07-26apparently this function cannot return EBUSY, so back out -r1.7;Jason McIntyre
from pjanzen; ok marc
2007-07-20Initialize the locks in key_table. On hppa _SPINLOCK_LOCKED is 0, so anMark Kettenis
uninitialized lock ends up in a locked state. This lead to a deadlock if we called pthread_key_create(). ok marc@, kurt@
2007-07-08Report the correct stack size and top for the primordial thread inKurt Miller
pthread_stackseg_np(). With input and okay marc@
2007-07-07On hppa, function pointers may be be pointers to PLT entries. Handle thoseMark Kettenis
by replicating part of $$dyncall in the code that sets up a thread's initial stack frame. Also make sure we actually reserve some space for that initial stack frame. ok miod@
2007-06-05_FD_LOCK/UNLOCK() is libpthread specific and not needed for librthread, soKurt Miller
isolate its usage to libpthread only and replace with generic non-static mutex support in the one place it is needed: - remove _FD_LOCK/UNLOCK from lseek and ftruncate in libc and make the functions weak so that libpthread can override with its own new versions that do the locking. - remove _thread_fd_lock/unlock() weak functions from libc and adjust libpthread for the change. - add generic _thread_mutex_lock/unlock/destroy() weak functions in libc to support non-static mutexes in libc and add libpthread and librthread implementations for them. libc can utilize non-static mutexes via the new _MUTEX_LOCK/UNLOCK/DESTROY() macros. Actually these new macros can support both static and non-static mutexes but currently only using them for non-static. - make opendir/closedir/readdir/readdir_r/seekdir/telldir() thread-safe for both thread libraries by using a non-static mutex in the struct _dirdesc (typedef DIR), utilizing it in the *dir functions and remove remaining and incorrect _FD_LOCK/UNLOCK() use in libc. - add comments to both thread libraries to indicate libc depends on the current implementation of static mutex initialization. suggested by marc@ - major bump libc and libpthread due to function removal, structure change and weak symbol conversions. okay marc@, tedu@
2007-06-05typosKurt Miller
2007-05-31convert to new .Dd format;Jason McIntyre
2007-05-21clean up lint warnings related to the nfds_t type. okay marc@ millert@Kurt Miller
2007-05-18Eliminate many lint warnings by either: using the appropriate type,Kurt Miller
casting when safe or adding ARGSUSED where needed. Reviewed and improvements from millert@ and marc@. okay marc@
2007-05-01lint warning corrections:Kurt Miller
- use the correct types - mark _thread_gc() w/ARGSUSED - fix a 'a cast does not yield an lvalue' okay marc@
2007-05-01file descriptors are ints. make branch an int too for better structureKurt Miller
allignment. okay marc@
2007-04-27more lint warning reductions. use int for all priority vars. okay marc@Kurt Miller
2007-04-27fix minor nit with previous commitKurt Miller
2007-04-27fix thread_continuation_t typedef and use passed curthread instead ofKurt Miller
calling _get_curthread() again. fixes some lint warnings. okay marc@
2007-04-27Remove unused function _thread_fd_unlock_owned() andKurt Miller
merge _thread_fd_unlock_thread() into _thread_fd_unlock(). okay marc@
2007-04-27Use rlimit nofiles max to size fd/fdp tables instead of cur. FixesKurt Miller
applications that increase nofiles using setrlimit(2). ok marc@
2007-04-26remove unused var. okay marc@Kurt Miller
2007-04-10Revert previous commit which introduced regressions in KDE.Kurt Miller
2007-04-07Upon fork() set the child's view of the stored file status flags inheritedKurt Miller
from the parent to all non-blocking. This prevents the child from restoring the file to be blocking upon close() and causing the parent to deadlock when it later attempts to utilize the blocking fd. Corrects the netbeans build failure caused by the jdk forkAndExec() function that replaces the std fd's before execvp(). okay marc@
2007-03-20Remove duplicate definition of _POSIX_THREAD_ATTR_STACKSIZE and quietKurt Miller
build warnings noticed by david@. okay millert@ marc@
2007-03-15give _POSIX_THREAD_* defines a value of 1 so applications thatKurt Miller
conditionally compile code using these defines will work. okay tedu@, marc@, milllert@
2007-03-02Move landisk to hardware floating point. At the moment the FPU context isMiod Vallat
always saved upon context switches, as FPU registers are heavily used for long long computations (don't ask). Gcc default to -m4. Credits to drahn@ otto@ and deraadt@ for feedback and help testing. Upgrade procedure if you don't want to use the damn snapshots: - build and install new kernel, reboot off it - build new gcc, do not install it yet - make includes - install new gcc - build and install lib/csu and lib/libc - make build
2007-02-19pthread bits for sh; help deraadt@, ok kettenis@Miod Vallat
2007-01-28Return ESRCH instead of segfaulting when a thread ID could not be found.Mark Kettenis
ok marc@, krw@
2006-12-01Normally pipes created by threaded apps are left non-blocking after beingKurt Miller
closed so that a threaded child process can still read it without blocking. However, leaving stdin/out/err non-blocking when closed is bad because it can be shared with non-threaded apps that can't deal with a non-blocking file descriptor (i.e. cat). Therefore special case stdin/out/err pipes so that they are reset to blocking upon a close(). Tested by robert@, jolan@ and myself with multiple OOo builds on mp systems where the problem was seen more frequently.
2006-11-24Use correct define to detect soft fpu on arm, dont complain on lint so much.Dale Rahn
2006-11-15typo; from daniel maticJason McIntyre
2006-10-25select() and poll() don't _FD_LOCK their file descriptors, so there's noKurt Miller
need to bail from _thread_kern_poll() when a file descriptor is in closing state. corrects segfault reported by ckuethe@
2006-10-17Don't grab _FD_LOCK and queue up behind other threads asKurt Miller
this can potentially block indefinitely. Instead just protect against fd state transitions and perform the _thread_sys_shutdown(). Fixes deadlock reported by Tero Koskinen <tero.koskinen at iki.fi>. okay kettenis@
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