diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | manual/Makefile | 2 | ||||
| -rw-r--r-- | manual/debug.texi | 2 | ||||
| -rw-r--r-- | manual/nptl.texi | 44 |
4 files changed, 51 insertions, 2 deletions
@@ -1,5 +1,10 @@ 2013-03-14 Siddhesh Poyarekar <siddhesh@redhat.com> + * manual/Makefile (chapters): Add nptl. + * manual/debug.texi (Debugging Support): Add link to Threads + chapter. + * manual/nptl.texi: New file. + * sysdeps/unix/sysv/linux/times.c (__times): Fix formatting. 2013-03-14 Petr Baudis <pasky@ucw.cz> diff --git a/manual/Makefile b/manual/Makefile index c1a304c..10314a9 100644 --- a/manual/Makefile +++ b/manual/Makefile @@ -42,7 +42,7 @@ chapters = $(addsuffix .texi, \ message search pattern io stdio llio filesys \ pipe socket terminal syslog math arith time \ resource setjmp signal startup process job nss \ - users sysinfo conf crypt debug) + users sysinfo conf crypt debug nptl) add-chapters = $(wildcard $(foreach d, $(add-ons), ../$d/$d.texi)) appendices = lang.texi header.texi install.texi maint.texi platform.texi \ contrib.texi diff --git a/manual/debug.texi b/manual/debug.texi index b2bcb31..1db9c18 100644 --- a/manual/debug.texi +++ b/manual/debug.texi @@ -1,5 +1,5 @@ @node Debugging Support -@c @node Debugging Support, , Cryptographic Functions, Top +@c @node Debugging Support, POSIX Threads, Cryptographic Functions, Top @c %MENU% Functions to help debugging applications @chapter Debugging support diff --git a/manual/nptl.texi b/manual/nptl.texi new file mode 100644 index 0000000..f1d8f08 --- /dev/null +++ b/manual/nptl.texi @@ -0,0 +1,44 @@ +@node POSIX Threads +@c @node POSIX Threads, , Cryptographic Functions, Top +@chapter POSIX Threads +@c %MENU% POSIX Threads +@cindex threads + +This chapter describes the @glibcadj{} POSIX Thread implementation. + +@menu +* Thread-specific Data:: Support for creating and + managing thread-specific data +@end menu + +@node Thread-specific Data +@section Thread-specific Data + +The @glibcadj{} implements functions to allow users to create and manage +data specific to a thread. Such data may be destroyed at thread exit, +if a destructor is provided. The following functions are defined: + +@table @code + +@item int pthread_key_create (pthread_key_t *@var{key}, void (*@var{destructor})(void*)) +Create a thread-specific data key for the calling thread, referenced by +@var{key}. + +Objects declared with the C++11 @code{thread_local} keyword are destroyed +before thread-specific data, so they should not be used in thread-specific +data destructors or even as members of the thread-specific data, since the +latter is passed as an argument to the destructor function. + +@item int pthread_key_delete (pthread_key_t @var{key}) +Destroy the thread-specific data @var{key} in the calling thread. The +destructor for the thread-specific data is not called during destruction, nor +is it called during thread exit. + +@item void *pthread_getspecific (pthread_key_t @var{key}) +Return the thread-specific data associated with @var{key} in the calling +thread. + +@item int pthread_setspecific (pthread_key_t @var{key}, const void *@var{value}) +Associate the thread-specific @var{value} with @var{key} in the calling thread. + +@end table |