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authorSiddhesh Poyarekar <siddhesh@redhat.com>2013-06-15 12:27:40 +0530
committerSiddhesh Poyarekar <siddhesh@redhat.com>2013-06-15 12:27:41 +0530
commitadf23d2cca20577946c8081c3fdc390f27703f33 (patch)
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parent61dd6208fb1e59a423b6dfa712a3c896c34b2590 (diff)
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Add documentation for default pthread attribute functions
Diffstat (limited to 'manual')
-rw-r--r--manual/threads.texi40
1 files changed, 40 insertions, 0 deletions
diff --git a/manual/threads.texi b/manual/threads.texi
index 9a1df1a862..a23ac261ef 100644
--- a/manual/threads.texi
+++ b/manual/threads.texi
@@ -9,6 +9,8 @@ This chapter describes the @glibcadj{} POSIX Thread implementation.
@menu
* Thread-specific Data:: Support for creating and
managing thread-specific data
+* Non-POSIX Extensions:: Additional functions to extend
+ POSIX Thread functionality
@end menu
@node Thread-specific Data
@@ -42,3 +44,41 @@ thread.
Associate the thread-specific @var{value} with @var{key} in the calling thread.
@end table
+
+@node Non-POSIX Extensions
+@section Non-POSIX Extensions
+
+In addition to implementing the POSIX API for threads, @theglibc{} provides
+additional functions and interfaces to provide functionality not specified in
+the standard.
+
+@menu
+* Default Thread Attributes:: Setting default attributes for
+ threads in a process.
+@end menu
+
+@node Default Thread Attributes
+@subsection Setting Process-wide defaults for thread attributes
+
+@Theglibc{} provides non-standard API functions to set and get the default
+attributes used in the creation of threads in a process.
+
+@deftypefun int pthread_getattr_default_np (pthread_attr_t *@var{attr})
+Get the default attribute values and set @var{attr} to match. This
+function returns @math{0} on success and a non-zero error code on
+failure.
+@end deftypefun
+
+@deftypefun int pthread_getattr_default_np (pthread_attr_t *@var{attr})
+Set the default attribute values to match the values in @var{attr}. The
+function returns @math{0} on success and a non-zero error code on failure.
+The following error codes are defined for this function:
+
+@table @code
+@item EINVAL
+At least one of the values in @var{attr} does not qualify as valid for the
+attributes or the stack address is set in the attribute.
+@item ENOMEM
+The system does not have sufficient memory.
+@end table
+@end deftypefun