X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=doc%2Fmanual%2Fthreading.texinfo;h=b6816691b06be8e70180351a300339b976535787;hb=f2db6743b1fadeea9e72cb583d857851c87efcd4;hp=57eaf58bae70a0146c95d45a5cab17c8ab846ada;hpb=5fdb9edd71a21b3697ba6f407aca270060ef173c;p=sbcl.git diff --git a/doc/manual/threading.texinfo b/doc/manual/threading.texinfo index 57eaf58..b681669 100644 --- a/doc/manual/threading.texinfo +++ b/doc/manual/threading.texinfo @@ -14,13 +14,14 @@ x86 or x86-64 architecture, or SunOS (Solaris) on the x86. Support for threading on Darwin (Mac OS X) and FreeBSD on the x86 is experimental. @menu -* Threading basics:: -* Special Variables:: -* Mutex Support:: -* Semaphores:: -* Waitqueue/condition variables:: -* Sessions/Debugging:: -* Implementation (Linux x86):: +* Threading basics:: +* Special Variables:: +* Mutex Support:: +* Semaphores:: +* Waitqueue/condition variables:: +* Sessions/Debugging:: +* Foreign threads:: +* Implementation (Linux x86/x86-64):: @end menu @node Threading basics @@ -31,19 +32,37 @@ threading on Darwin (Mac OS X) and FreeBSD on the x86 is experimental. (make-thread (lambda () (write-line "Hello, world"))) @end lisp +@subsection Thread Objects + @include struct-sb-thread-thread.texinfo @include var-sb-thread-star-current-thread-star.texinfo +@include fun-sb-thread-list-all-threads.texinfo +@include fun-sb-thread-thread-alive-p.texinfo +@include fun-sb-thread-thread-name.texinfo + +@subsection Making, Joining, and Yielding Threads + @include fun-sb-thread-make-thread.texinfo +@include fun-sb-thread-thread-yield.texinfo @include fun-sb-thread-join-thread.texinfo -@include condition-sb-thread-join-thread-error.texinfo -@include fun-sb-thread-join-thread-error-thread.texinfo -@include fun-sb-thread-thread-alive-p.texinfo -@include fun-sb-thread-list-all-threads.texinfo -@include condition-sb-thread-interrupt-thread-error.texinfo -@include fun-sb-thread-interrupt-thread-error-thread.texinfo + +@subsection Asynchronous Operations + @include fun-sb-thread-interrupt-thread.texinfo @include fun-sb-thread-terminate-thread.texinfo -@include fun-sb-thread-thread-yield.texinfo + +@subsection Miscellaneous Operations + +@include fun-sb-thread-symbol-value-in-thread.texinfo + +@subsection Error Conditions + +@include condition-sb-thread-thread-error.texinfo +@include fun-sb-thread-thread-error-thread.texinfo + +@c @include condition-sb-thread-symbol-value-in-thread-error.texinfo +@include condition-sb-thread-interrupt-thread-error.texinfo +@include condition-sb-thread-join-thread-error.texinfo @node Special Variables @comment node-name, next, previous, up @@ -116,7 +135,7 @@ if you want a bounded wait. @comment node-name, next, previous, up @section Semaphores -escribed here should be considered +described here should be considered experimental, subject to API changes without notice. @include struct-sb-thread-semaphore.texinfo @@ -238,7 +257,28 @@ input stream is managed by calls to @code{sb-thread:get-foreground} @code{sb-ext:quit} terminates all threads in the current session, but leaves other sessions running. -@node Implementation (Linux x86) +@node Foreign threads +@comment node-name, next, previous, up +@section Foreign threads + +Direct calls to @code{pthread_create} (instead of @code{MAKE-THREAD}) +create threads that SBCL is not aware of, these are called foreign +threads. Currently, it is not possible to run Lisp code in such +threads. This means that the Lisp side signal handlers cannot work. +The best solution is to start foreign threads with signals blocked, +but since third party libraries may create threads, it is not always +feasible to do so. As a workaround, upon receiving a signal in a +foreign thread, SBCL changes the thread's sigmask to block all signals +that it wants to handle and resends the signal to the current process +which should land in a thread that does not block it, that is, a Lisp +thread. + +The resignalling trick cannot work for synchronously triggered signals +(SIGSEGV and co), take care not to trigger any. Resignalling for +synchronously triggered signals in foreign threads is subject to +@code{--lose-on-corruption}, see @ref{Runtime Options}. + +@node Implementation (Linux x86/x86-64) @comment node-name, next, previous, up @section Implementation (Linux x86/x86-64)