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+><HEAD
+><TITLE
+>Thread Management [POSIX Section 16]</TITLE
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+TITLE="POSIX Standard Support"
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+TITLE="Message Passing [POSIX Section 15]"
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+TITLE="Thread-Specific Data [POSIX Section 17]"
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+>eCos Reference Manual</TH
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+>Prev</A
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+><TD
+WIDTH="80%"
+ALIGN="center"
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+>Chapter 31. POSIX Standard Support</TD
+><TD
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+HREF="posix-thread-specific-data.html"
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+><DIV
+CLASS="SECT1"
+><H1
+CLASS="SECT1"
+><A
+NAME="POSIX-THREAD-MANAGEMENT">Thread Management [POSIX Section 16]</H1
+><DIV
+CLASS="SECT2"
+><H2
+CLASS="SECT2"
+><A
+NAME="AEN13263">Functions Implemented</H2
+><TABLE
+BORDER="5"
+BGCOLOR="#E0E0F0"
+WIDTH="70%"
+><TR
+><TD
+><PRE
+CLASS="SCREEN"
+>int pthread_attr_init(pthread_attr_t *attr);
+int pthread_attr_destroy(pthread_attr_t *attr);
+int pthread_attr_setdetachstate(pthread_attr_t *attr,
+ int detachstate);
+int pthread_attr_getdetachstate(const pthread_attr_t *attr,
+ int *detachstate);
+int pthread_attr_setstackaddr(pthread_attr_t *attr,
+ void *stackaddr);
+int pthread_attr_getstackaddr(const pthread_attr_t *attr,
+ void **stackaddr);
+int pthread_attr_setstacksize(pthread_attr_t *attr,
+ size_t stacksize);
+int pthread_attr_getstacksize(const pthread_attr_t *attr,
+ size_t *stacksize);
+int pthread_create( pthread_t *thread,
+ const pthread_attr_t *attr,
+ void *(*start_routine)(void *),
+ void *arg);
+pthread_t pthread_self( void );
+int pthread_equal(pthread_t thread1, pthread_t thread2);
+void pthread_exit(void *retval);
+int pthread_join(pthread_t thread, void **thread_return);
+int pthread_detach(pthread_t thread);
+int pthread_once(pthread_once_t *once_control,
+ void (*init_routine)(void));</PRE
+></TD
+></TR
+></TABLE
+></DIV
+><DIV
+CLASS="SECT2"
+><H2
+CLASS="SECT2"
+><A
+NAME="AEN13266">Functions Omitted</H2
+><P
+><none></P
+></DIV
+><DIV
+CLASS="SECT2"
+><H2
+CLASS="SECT2"
+><A
+NAME="AEN13269">Notes</H2
+><P
+></P
+><UL
+><LI
+><P
+> The presence of thread support as a whole is controlled by the the
+ CYGPKG_POSIX_PTHREAD configuration option. Note that disabling
+ this will also disable many other features of the POSIX package,
+ since these are intimately bound up with the thread mechanism.
+ </P
+></LI
+><LI
+><P
+> The default (non-scheduling) thread attributes are:
+ </P
+><TABLE
+BORDER="5"
+BGCOLOR="#E0E0F0"
+WIDTH="70%"
+><TR
+><TD
+><PRE
+CLASS="SCREEN"
+> detachstate PTHREAD_CREATE_JOINABLE
+ stackaddr unset
+ stacksize unset
+ </PRE
+></TD
+></TR
+></TABLE
+></LI
+><LI
+><P
+> Dynamic thread stack allocation is only provided if there is an
+ implementation of
+ <SPAN
+CLASS="emphasis"
+><I
+CLASS="EMPHASIS"
+>malloc()</I
+></SPAN
+> configured (i.e. a package
+ implements the
+ CYGINT_MEMALLOC_MALLOC_ALLOCATORS
+ interface). If there is no malloc() available, then the thread
+ creator must supply a stack. If only a stack address is supplied
+ then the stack is assumed to be PTHREAD_STACK_MIN
+ bytes long. This size is seldom useful for any but the most
+ trivial of threads. If a different sized stack is used, both
+ the stack address and stack size must be supplied.
+ </P
+></LI
+><LI
+><P
+> The value of PTHREAD_THREADS_MAX is supplied by
+ the CYGNUM_POSIX_PTHREAD_THREADS_MAX
+ option. This defines the maximum number of threads allowed. The
+ POSIX standard requires this value to be at least 64, and this
+ is the default value set.
+ </P
+></LI
+><LI
+><P
+> When the POSIX package is installed, the thread that calls
+ <SPAN
+CLASS="emphasis"
+><I
+CLASS="EMPHASIS"
+>main()</I
+></SPAN
+> is initialized as a POSIX thread. The
+ priority of that thread is controlled by the
+ CYGNUM_POSIX_MAIN_DEFAULT_PRIORITY option.
+ </P
+></LI
+></UL
+></DIV
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