@@ -65,6 +65,9 @@ struct pthread_unwind_buf
{
__jmp_buf jmp_buf;
int mask_was_saved;
+#ifdef NEED_SAVED_MASK_IN_CANCEL_JMP_BUF
+ __sigset_t saved_mask;
+#endif
} cancel_jmp_buf[1];
union
new file mode 100644
@@ -0,0 +1,36 @@
+/* Internal pthread header. Linux/x86 version.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include_next <nptl/pthreadP.h>
+
+#ifndef _PTHREADP_H_X86
+#define _PTHREADP_H_X86 1
+
+extern struct pthread_unwind_buf ____pthread_unwind_buf_private;
+
+_Static_assert (sizeof (____pthread_unwind_buf_private.cancel_jmp_buf)
+ >= sizeof (struct __jmp_buf_tag),
+ "size of cancel_jmp_buf < sizeof __jmp_buf_tag");
+
+extern __pthread_unwind_buf_t ____pthread_unwind_buf;
+
+_Static_assert (sizeof (____pthread_unwind_buf.__cancel_jmp_buf)
+ >= sizeof (struct __jmp_buf_tag),
+ "size of __cancel_jmp_buf < sizeof __jmp_buf_tag");
+
+#endif
new file mode 100644
@@ -0,0 +1,1165 @@
+/* Copyright (C) 2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _PTHREAD_H
+#define _PTHREAD_H 1
+
+#include <features.h>
+#include <endian.h>
+#include <sched.h>
+#include <time.h>
+
+#include <bits/pthreadtypes.h>
+#include <bits/setjmp.h>
+#include <bits/wordsize.h>
+#include <bits/types/struct_timespec.h>
+#include <bits/types/__sigset_t.h>
+
+
+/* Detach state. */
+enum
+{
+ PTHREAD_CREATE_JOINABLE,
+#define PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_JOINABLE
+ PTHREAD_CREATE_DETACHED
+#define PTHREAD_CREATE_DETACHED PTHREAD_CREATE_DETACHED
+};
+
+
+/* Mutex types. */
+enum
+{
+ PTHREAD_MUTEX_TIMED_NP,
+ PTHREAD_MUTEX_RECURSIVE_NP,
+ PTHREAD_MUTEX_ERRORCHECK_NP,
+ PTHREAD_MUTEX_ADAPTIVE_NP
+#if defined __USE_UNIX98 || defined __USE_XOPEN2K8
+ ,
+ PTHREAD_MUTEX_NORMAL = PTHREAD_MUTEX_TIMED_NP,
+ PTHREAD_MUTEX_RECURSIVE = PTHREAD_MUTEX_RECURSIVE_NP,
+ PTHREAD_MUTEX_ERRORCHECK = PTHREAD_MUTEX_ERRORCHECK_NP,
+ PTHREAD_MUTEX_DEFAULT = PTHREAD_MUTEX_NORMAL
+#endif
+#ifdef __USE_GNU
+ /* For compatibility. */
+ , PTHREAD_MUTEX_FAST_NP = PTHREAD_MUTEX_TIMED_NP
+#endif
+};
+
+
+#ifdef __USE_XOPEN2K
+/* Robust mutex or not flags. */
+enum
+{
+ PTHREAD_MUTEX_STALLED,
+ PTHREAD_MUTEX_STALLED_NP = PTHREAD_MUTEX_STALLED,
+ PTHREAD_MUTEX_ROBUST,
+ PTHREAD_MUTEX_ROBUST_NP = PTHREAD_MUTEX_ROBUST
+};
+#endif
+
+
+#if defined __USE_POSIX199506 || defined __USE_UNIX98
+/* Mutex protocols. */
+enum
+{
+ PTHREAD_PRIO_NONE,
+ PTHREAD_PRIO_INHERIT,
+ PTHREAD_PRIO_PROTECT
+};
+#endif
+
+
+#if __PTHREAD_MUTEX_HAVE_PREV
+# define PTHREAD_MUTEX_INITIALIZER \
+ { { 0, 0, 0, 0, 0, __PTHREAD_SPINS, { 0, 0 } } }
+# ifdef __USE_GNU
+# define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \
+ { { 0, 0, 0, 0, PTHREAD_MUTEX_RECURSIVE_NP, __PTHREAD_SPINS, { 0, 0 } } }
+# define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP \
+ { { 0, 0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, __PTHREAD_SPINS, { 0, 0 } } }
+# define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP \
+ { { 0, 0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, __PTHREAD_SPINS, { 0, 0 } } }
+
+# endif
+#else
+# define PTHREAD_MUTEX_INITIALIZER \
+ { { 0, 0, 0, 0, 0, { __PTHREAD_SPINS } } }
+# ifdef __USE_GNU
+# define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \
+ { { 0, 0, 0, PTHREAD_MUTEX_RECURSIVE_NP, 0, { __PTHREAD_SPINS } } }
+# define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP \
+ { { 0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, 0, { __PTHREAD_SPINS } } }
+# define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP \
+ { { 0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, 0, { __PTHREAD_SPINS } } }
+
+# endif
+#endif
+
+
+/* Read-write lock types. */
+#if defined __USE_UNIX98 || defined __USE_XOPEN2K
+enum
+{
+ PTHREAD_RWLOCK_PREFER_READER_NP,
+ PTHREAD_RWLOCK_PREFER_WRITER_NP,
+ PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP,
+ PTHREAD_RWLOCK_DEFAULT_NP = PTHREAD_RWLOCK_PREFER_READER_NP
+};
+
+/* Define __PTHREAD_RWLOCK_INT_FLAGS_SHARED to 1 if pthread_rwlock_t
+ has the shared field. All 64-bit architectures have the shared field
+ in pthread_rwlock_t. */
+#ifndef __PTHREAD_RWLOCK_INT_FLAGS_SHARED
+# if __WORDSIZE == 64
+# define __PTHREAD_RWLOCK_INT_FLAGS_SHARED 1
+# endif
+#endif
+
+/* Read-write lock initializers. */
+# define PTHREAD_RWLOCK_INITIALIZER \
+ { { 0, 0, 0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, 0 } }
+# ifdef __USE_GNU
+# ifdef __PTHREAD_RWLOCK_INT_FLAGS_SHARED
+# define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \
+ { { 0, 0, 0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, \
+ PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP } }
+# else
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+# define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \
+ { { 0, 0, 0, 0, 0, 0, PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP, \
+ 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, 0 } }
+# else
+# define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \
+ { { 0, 0, 0, 0, 0, 0, 0, 0, 0, PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP,\
+ 0 } }
+# endif
+# endif
+# endif
+#endif /* Unix98 or XOpen2K */
+
+
+/* Scheduler inheritance. */
+enum
+{
+ PTHREAD_INHERIT_SCHED,
+#define PTHREAD_INHERIT_SCHED PTHREAD_INHERIT_SCHED
+ PTHREAD_EXPLICIT_SCHED
+#define PTHREAD_EXPLICIT_SCHED PTHREAD_EXPLICIT_SCHED
+};
+
+
+/* Scope handling. */
+enum
+{
+ PTHREAD_SCOPE_SYSTEM,
+#define PTHREAD_SCOPE_SYSTEM PTHREAD_SCOPE_SYSTEM
+ PTHREAD_SCOPE_PROCESS
+#define PTHREAD_SCOPE_PROCESS PTHREAD_SCOPE_PROCESS
+};
+
+
+/* Process shared or private flag. */
+enum
+{
+ PTHREAD_PROCESS_PRIVATE,
+#define PTHREAD_PROCESS_PRIVATE PTHREAD_PROCESS_PRIVATE
+ PTHREAD_PROCESS_SHARED
+#define PTHREAD_PROCESS_SHARED PTHREAD_PROCESS_SHARED
+};
+
+
+
+/* Conditional variable handling. */
+#define PTHREAD_COND_INITIALIZER { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }
+
+
+/* Cleanup buffers */
+struct _pthread_cleanup_buffer
+{
+ void (*__routine) (void *); /* Function to call. */
+ void *__arg; /* Its argument. */
+ int __canceltype; /* Saved cancellation type. */
+ struct _pthread_cleanup_buffer *__prev; /* Chaining of cleanup functions. */
+};
+
+/* Cancellation */
+enum
+{
+ PTHREAD_CANCEL_ENABLE,
+#define PTHREAD_CANCEL_ENABLE PTHREAD_CANCEL_ENABLE
+ PTHREAD_CANCEL_DISABLE
+#define PTHREAD_CANCEL_DISABLE PTHREAD_CANCEL_DISABLE
+};
+enum
+{
+ PTHREAD_CANCEL_DEFERRED,
+#define PTHREAD_CANCEL_DEFERRED PTHREAD_CANCEL_DEFERRED
+ PTHREAD_CANCEL_ASYNCHRONOUS
+#define PTHREAD_CANCEL_ASYNCHRONOUS PTHREAD_CANCEL_ASYNCHRONOUS
+};
+#define PTHREAD_CANCELED ((void *) -1)
+
+
+/* Single execution handling. */
+#define PTHREAD_ONCE_INIT 0
+
+
+#ifdef __USE_XOPEN2K
+/* Value returned by 'pthread_barrier_wait' for one of the threads after
+ the required number of threads have called this function.
+ -1 is distinct from 0 and all errno constants */
+# define PTHREAD_BARRIER_SERIAL_THREAD -1
+#endif
+
+
+__BEGIN_DECLS
+
+/* Create a new thread, starting with execution of START-ROUTINE
+ getting passed ARG. Creation attributed come from ATTR. The new
+ handle is stored in *NEWTHREAD. */
+extern int pthread_create (pthread_t *__restrict __newthread,
+ const pthread_attr_t *__restrict __attr,
+ void *(*__start_routine) (void *),
+ void *__restrict __arg) __THROWNL __nonnull ((1, 3));
+
+/* Terminate calling thread.
+
+ The registered cleanup handlers are called via exception handling
+ so we cannot mark this function with __THROW.*/
+extern void pthread_exit (void *__retval) __attribute__ ((__noreturn__));
+
+/* Make calling thread wait for termination of the thread TH. The
+ exit status of the thread is stored in *THREAD_RETURN, if THREAD_RETURN
+ is not NULL.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+extern int pthread_join (pthread_t __th, void **__thread_return);
+
+#ifdef __USE_GNU
+/* Check whether thread TH has terminated. If yes return the status of
+ the thread in *THREAD_RETURN, if THREAD_RETURN is not NULL. */
+extern int pthread_tryjoin_np (pthread_t __th, void **__thread_return) __THROW;
+
+/* Make calling thread wait for termination of the thread TH, but only
+ until TIMEOUT. The exit status of the thread is stored in
+ *THREAD_RETURN, if THREAD_RETURN is not NULL.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+extern int pthread_timedjoin_np (pthread_t __th, void **__thread_return,
+ const struct timespec *__abstime);
+#endif
+
+/* Indicate that the thread TH is never to be joined with PTHREAD_JOIN.
+ The resources of TH will therefore be freed immediately when it
+ terminates, instead of waiting for another thread to perform PTHREAD_JOIN
+ on it. */
+extern int pthread_detach (pthread_t __th) __THROW;
+
+
+/* Obtain the identifier of the current thread. */
+extern pthread_t pthread_self (void) __THROW __attribute__ ((__const__));
+
+/* Compare two thread identifiers. */
+extern int pthread_equal (pthread_t __thread1, pthread_t __thread2)
+ __THROW __attribute__ ((__const__));
+
+
+/* Thread attribute handling. */
+
+/* Initialize thread attribute *ATTR with default attributes
+ (detachstate is PTHREAD_JOINABLE, scheduling policy is SCHED_OTHER,
+ no user-provided stack). */
+extern int pthread_attr_init (pthread_attr_t *__attr) __THROW __nonnull ((1));
+
+/* Destroy thread attribute *ATTR. */
+extern int pthread_attr_destroy (pthread_attr_t *__attr)
+ __THROW __nonnull ((1));
+
+/* Get detach state attribute. */
+extern int pthread_attr_getdetachstate (const pthread_attr_t *__attr,
+ int *__detachstate)
+ __THROW __nonnull ((1, 2));
+
+/* Set detach state attribute. */
+extern int pthread_attr_setdetachstate (pthread_attr_t *__attr,
+ int __detachstate)
+ __THROW __nonnull ((1));
+
+
+/* Get the size of the guard area created for stack overflow protection. */
+extern int pthread_attr_getguardsize (const pthread_attr_t *__attr,
+ size_t *__guardsize)
+ __THROW __nonnull ((1, 2));
+
+/* Set the size of the guard area created for stack overflow protection. */
+extern int pthread_attr_setguardsize (pthread_attr_t *__attr,
+ size_t __guardsize)
+ __THROW __nonnull ((1));
+
+
+/* Return in *PARAM the scheduling parameters of *ATTR. */
+extern int pthread_attr_getschedparam (const pthread_attr_t *__restrict __attr,
+ struct sched_param *__restrict __param)
+ __THROW __nonnull ((1, 2));
+
+/* Set scheduling parameters (priority, etc) in *ATTR according to PARAM. */
+extern int pthread_attr_setschedparam (pthread_attr_t *__restrict __attr,
+ const struct sched_param *__restrict
+ __param) __THROW __nonnull ((1, 2));
+
+/* Return in *POLICY the scheduling policy of *ATTR. */
+extern int pthread_attr_getschedpolicy (const pthread_attr_t *__restrict
+ __attr, int *__restrict __policy)
+ __THROW __nonnull ((1, 2));
+
+/* Set scheduling policy in *ATTR according to POLICY. */
+extern int pthread_attr_setschedpolicy (pthread_attr_t *__attr, int __policy)
+ __THROW __nonnull ((1));
+
+/* Return in *INHERIT the scheduling inheritance mode of *ATTR. */
+extern int pthread_attr_getinheritsched (const pthread_attr_t *__restrict
+ __attr, int *__restrict __inherit)
+ __THROW __nonnull ((1, 2));
+
+/* Set scheduling inheritance mode in *ATTR according to INHERIT. */
+extern int pthread_attr_setinheritsched (pthread_attr_t *__attr,
+ int __inherit)
+ __THROW __nonnull ((1));
+
+
+/* Return in *SCOPE the scheduling contention scope of *ATTR. */
+extern int pthread_attr_getscope (const pthread_attr_t *__restrict __attr,
+ int *__restrict __scope)
+ __THROW __nonnull ((1, 2));
+
+/* Set scheduling contention scope in *ATTR according to SCOPE. */
+extern int pthread_attr_setscope (pthread_attr_t *__attr, int __scope)
+ __THROW __nonnull ((1));
+
+/* Return the previously set address for the stack. */
+extern int pthread_attr_getstackaddr (const pthread_attr_t *__restrict
+ __attr, void **__restrict __stackaddr)
+ __THROW __nonnull ((1, 2)) __attribute_deprecated__;
+
+/* Set the starting address of the stack of the thread to be created.
+ Depending on whether the stack grows up or down the value must either
+ be higher or lower than all the address in the memory block. The
+ minimal size of the block must be PTHREAD_STACK_MIN. */
+extern int pthread_attr_setstackaddr (pthread_attr_t *__attr,
+ void *__stackaddr)
+ __THROW __nonnull ((1)) __attribute_deprecated__;
+
+/* Return the currently used minimal stack size. */
+extern int pthread_attr_getstacksize (const pthread_attr_t *__restrict
+ __attr, size_t *__restrict __stacksize)
+ __THROW __nonnull ((1, 2));
+
+/* Add information about the minimum stack size needed for the thread
+ to be started. This size must never be less than PTHREAD_STACK_MIN
+ and must also not exceed the system limits. */
+extern int pthread_attr_setstacksize (pthread_attr_t *__attr,
+ size_t __stacksize)
+ __THROW __nonnull ((1));
+
+#ifdef __USE_XOPEN2K
+/* Return the previously set address for the stack. */
+extern int pthread_attr_getstack (const pthread_attr_t *__restrict __attr,
+ void **__restrict __stackaddr,
+ size_t *__restrict __stacksize)
+ __THROW __nonnull ((1, 2, 3));
+
+/* The following two interfaces are intended to replace the last two. They
+ require setting the address as well as the size since only setting the
+ address will make the implementation on some architectures impossible. */
+extern int pthread_attr_setstack (pthread_attr_t *__attr, void *__stackaddr,
+ size_t __stacksize) __THROW __nonnull ((1));
+#endif
+
+#ifdef __USE_GNU
+/* Thread created with attribute ATTR will be limited to run only on
+ the processors represented in CPUSET. */
+extern int pthread_attr_setaffinity_np (pthread_attr_t *__attr,
+ size_t __cpusetsize,
+ const cpu_set_t *__cpuset)
+ __THROW __nonnull ((1, 3));
+
+/* Get bit set in CPUSET representing the processors threads created with
+ ATTR can run on. */
+extern int pthread_attr_getaffinity_np (const pthread_attr_t *__attr,
+ size_t __cpusetsize,
+ cpu_set_t *__cpuset)
+ __THROW __nonnull ((1, 3));
+
+/* Get the default attributes used by pthread_create in this process. */
+extern int pthread_getattr_default_np (pthread_attr_t *__attr)
+ __THROW __nonnull ((1));
+
+/* Set the default attributes to be used by pthread_create in this
+ process. */
+extern int pthread_setattr_default_np (const pthread_attr_t *__attr)
+ __THROW __nonnull ((1));
+
+/* Initialize thread attribute *ATTR with attributes corresponding to the
+ already running thread TH. It shall be called on uninitialized ATTR
+ and destroyed with pthread_attr_destroy when no longer needed. */
+extern int pthread_getattr_np (pthread_t __th, pthread_attr_t *__attr)
+ __THROW __nonnull ((2));
+#endif
+
+
+/* Functions for scheduling control. */
+
+/* Set the scheduling parameters for TARGET_THREAD according to POLICY
+ and *PARAM. */
+extern int pthread_setschedparam (pthread_t __target_thread, int __policy,
+ const struct sched_param *__param)
+ __THROW __nonnull ((3));
+
+/* Return in *POLICY and *PARAM the scheduling parameters for TARGET_THREAD. */
+extern int pthread_getschedparam (pthread_t __target_thread,
+ int *__restrict __policy,
+ struct sched_param *__restrict __param)
+ __THROW __nonnull ((2, 3));
+
+/* Set the scheduling priority for TARGET_THREAD. */
+extern int pthread_setschedprio (pthread_t __target_thread, int __prio)
+ __THROW;
+
+
+#ifdef __USE_GNU
+/* Get thread name visible in the kernel and its interfaces. */
+extern int pthread_getname_np (pthread_t __target_thread, char *__buf,
+ size_t __buflen)
+ __THROW __nonnull ((2));
+
+/* Set thread name visible in the kernel and its interfaces. */
+extern int pthread_setname_np (pthread_t __target_thread, const char *__name)
+ __THROW __nonnull ((2));
+#endif
+
+
+#ifdef __USE_UNIX98
+/* Determine level of concurrency. */
+extern int pthread_getconcurrency (void) __THROW;
+
+/* Set new concurrency level to LEVEL. */
+extern int pthread_setconcurrency (int __level) __THROW;
+#endif
+
+#ifdef __USE_GNU
+/* Yield the processor to another thread or process.
+ This function is similar to the POSIX `sched_yield' function but
+ might be differently implemented in the case of a m-on-n thread
+ implementation. */
+extern int pthread_yield (void) __THROW;
+
+
+/* Limit specified thread TH to run only on the processors represented
+ in CPUSET. */
+extern int pthread_setaffinity_np (pthread_t __th, size_t __cpusetsize,
+ const cpu_set_t *__cpuset)
+ __THROW __nonnull ((3));
+
+/* Get bit set in CPUSET representing the processors TH can run on. */
+extern int pthread_getaffinity_np (pthread_t __th, size_t __cpusetsize,
+ cpu_set_t *__cpuset)
+ __THROW __nonnull ((3));
+#endif
+
+
+/* Functions for handling initialization. */
+
+/* Guarantee that the initialization function INIT_ROUTINE will be called
+ only once, even if pthread_once is executed several times with the
+ same ONCE_CONTROL argument. ONCE_CONTROL must point to a static or
+ extern variable initialized to PTHREAD_ONCE_INIT.
+
+ The initialization functions might throw exception which is why
+ this function is not marked with __THROW. */
+extern int pthread_once (pthread_once_t *__once_control,
+ void (*__init_routine) (void)) __nonnull ((1, 2));
+
+
+/* Functions for handling cancellation.
+
+ Note that these functions are explicitly not marked to not throw an
+ exception in C++ code. If cancellation is implemented by unwinding
+ this is necessary to have the compiler generate the unwind information. */
+
+/* Set cancelability state of current thread to STATE, returning old
+ state in *OLDSTATE if OLDSTATE is not NULL. */
+extern int pthread_setcancelstate (int __state, int *__oldstate);
+
+/* Set cancellation state of current thread to TYPE, returning the old
+ type in *OLDTYPE if OLDTYPE is not NULL. */
+extern int pthread_setcanceltype (int __type, int *__oldtype);
+
+/* Cancel THREAD immediately or at the next possibility. */
+extern int pthread_cancel (pthread_t __th);
+
+/* Test for pending cancellation for the current thread and terminate
+ the thread as per pthread_exit(PTHREAD_CANCELED) if it has been
+ cancelled. */
+extern void pthread_testcancel (void);
+
+
+/* Cancellation handling with integration into exception handling. */
+
+typedef struct
+{
+ /* This must match struct __jmp_buf_tag in <setjmp.h>. */
+ struct
+ {
+ __jmp_buf __cancel_jmp_buf;
+ int __mask_was_saved;
+ __sigset_t __saved_mask;
+ } __cancel_jmp_buf[1];
+ void *__pad[4];
+} __pthread_unwind_buf_t __attribute__ ((__aligned__));
+
+/* No special attributes by default. */
+#ifndef __cleanup_fct_attribute
+# define __cleanup_fct_attribute
+#endif
+
+
+/* Structure to hold the cleanup handler information. */
+struct __pthread_cleanup_frame
+{
+ void (*__cancel_routine) (void *);
+ void *__cancel_arg;
+ int __do_it;
+ int __cancel_type;
+};
+
+#if defined __GNUC__ && defined __EXCEPTIONS
+# ifdef __cplusplus
+/* Class to handle cancellation handler invocation. */
+class __pthread_cleanup_class
+{
+ void (*__cancel_routine) (void *);
+ void *__cancel_arg;
+ int __do_it;
+ int __cancel_type;
+
+ public:
+ __pthread_cleanup_class (void (*__fct) (void *), void *__arg)
+ : __cancel_routine (__fct), __cancel_arg (__arg), __do_it (1) { }
+ ~__pthread_cleanup_class () { if (__do_it) __cancel_routine (__cancel_arg); }
+ void __setdoit (int __newval) { __do_it = __newval; }
+ void __defer () { pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED,
+ &__cancel_type); }
+ void __restore () const { pthread_setcanceltype (__cancel_type, 0); }
+};
+
+/* Install a cleanup handler: ROUTINE will be called with arguments ARG
+ when the thread is canceled or calls pthread_exit. ROUTINE will also
+ be called with arguments ARG when the matching pthread_cleanup_pop
+ is executed with non-zero EXECUTE argument.
+
+ pthread_cleanup_push and pthread_cleanup_pop are macros and must always
+ be used in matching pairs at the same nesting level of braces. */
+# define pthread_cleanup_push(routine, arg) \
+ do { \
+ __pthread_cleanup_class __clframe (routine, arg)
+
+/* Remove a cleanup handler installed by the matching pthread_cleanup_push.
+ If EXECUTE is non-zero, the handler function is called. */
+# define pthread_cleanup_pop(execute) \
+ __clframe.__setdoit (execute); \
+ } while (0)
+
+# ifdef __USE_GNU
+/* Install a cleanup handler as pthread_cleanup_push does, but also
+ saves the current cancellation type and sets it to deferred
+ cancellation. */
+# define pthread_cleanup_push_defer_np(routine, arg) \
+ do { \
+ __pthread_cleanup_class __clframe (routine, arg); \
+ __clframe.__defer ()
+
+/* Remove a cleanup handler as pthread_cleanup_pop does, but also
+ restores the cancellation type that was in effect when the matching
+ pthread_cleanup_push_defer was called. */
+# define pthread_cleanup_pop_restore_np(execute) \
+ __clframe.__restore (); \
+ __clframe.__setdoit (execute); \
+ } while (0)
+# endif
+# else
+/* Function called to call the cleanup handler. As an extern inline
+ function the compiler is free to decide inlining the change when
+ needed or fall back on the copy which must exist somewhere
+ else. */
+__extern_inline void
+__pthread_cleanup_routine (struct __pthread_cleanup_frame *__frame)
+{
+ if (__frame->__do_it)
+ __frame->__cancel_routine (__frame->__cancel_arg);
+}
+
+/* Install a cleanup handler: ROUTINE will be called with arguments ARG
+ when the thread is canceled or calls pthread_exit. ROUTINE will also
+ be called with arguments ARG when the matching pthread_cleanup_pop
+ is executed with non-zero EXECUTE argument.
+
+ pthread_cleanup_push and pthread_cleanup_pop are macros and must always
+ be used in matching pairs at the same nesting level of braces. */
+# define pthread_cleanup_push(routine, arg) \
+ do { \
+ struct __pthread_cleanup_frame __clframe \
+ __attribute__ ((__cleanup__ (__pthread_cleanup_routine))) \
+ = { .__cancel_routine = (routine), .__cancel_arg = (arg), \
+ .__do_it = 1 };
+
+/* Remove a cleanup handler installed by the matching pthread_cleanup_push.
+ If EXECUTE is non-zero, the handler function is called. */
+# define pthread_cleanup_pop(execute) \
+ __clframe.__do_it = (execute); \
+ } while (0)
+
+# ifdef __USE_GNU
+/* Install a cleanup handler as pthread_cleanup_push does, but also
+ saves the current cancellation type and sets it to deferred
+ cancellation. */
+# define pthread_cleanup_push_defer_np(routine, arg) \
+ do { \
+ struct __pthread_cleanup_frame __clframe \
+ __attribute__ ((__cleanup__ (__pthread_cleanup_routine))) \
+ = { .__cancel_routine = (routine), .__cancel_arg = (arg), \
+ .__do_it = 1 }; \
+ (void) pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, \
+ &__clframe.__cancel_type)
+
+/* Remove a cleanup handler as pthread_cleanup_pop does, but also
+ restores the cancellation type that was in effect when the matching
+ pthread_cleanup_push_defer was called. */
+# define pthread_cleanup_pop_restore_np(execute) \
+ (void) pthread_setcanceltype (__clframe.__cancel_type, NULL); \
+ __clframe.__do_it = (execute); \
+ } while (0)
+# endif
+# endif
+#else
+/* Install a cleanup handler: ROUTINE will be called with arguments ARG
+ when the thread is canceled or calls pthread_exit. ROUTINE will also
+ be called with arguments ARG when the matching pthread_cleanup_pop
+ is executed with non-zero EXECUTE argument.
+
+ pthread_cleanup_push and pthread_cleanup_pop are macros and must always
+ be used in matching pairs at the same nesting level of braces. */
+# define pthread_cleanup_push(routine, arg) \
+ do { \
+ __pthread_unwind_buf_t __cancel_buf; \
+ void (*__cancel_routine) (void *) = (routine); \
+ void *__cancel_arg = (arg); \
+ int __not_first_call = __sigsetjmp ((struct __jmp_buf_tag *) (void *) \
+ __cancel_buf.__cancel_jmp_buf, 0); \
+ if (__glibc_unlikely (__not_first_call)) \
+ { \
+ __cancel_routine (__cancel_arg); \
+ __pthread_unwind_next (&__cancel_buf); \
+ /* NOTREACHED */ \
+ } \
+ \
+ __pthread_register_cancel (&__cancel_buf); \
+ do {
+extern void __pthread_register_cancel (__pthread_unwind_buf_t *__buf)
+ __cleanup_fct_attribute;
+
+/* Remove a cleanup handler installed by the matching pthread_cleanup_push.
+ If EXECUTE is non-zero, the handler function is called. */
+# define pthread_cleanup_pop(execute) \
+ do { } while (0);/* Empty to allow label before pthread_cleanup_pop. */\
+ } while (0); \
+ __pthread_unregister_cancel (&__cancel_buf); \
+ if (execute) \
+ __cancel_routine (__cancel_arg); \
+ } while (0)
+extern void __pthread_unregister_cancel (__pthread_unwind_buf_t *__buf)
+ __cleanup_fct_attribute;
+
+# ifdef __USE_GNU
+/* Install a cleanup handler as pthread_cleanup_push does, but also
+ saves the current cancellation type and sets it to deferred
+ cancellation. */
+# define pthread_cleanup_push_defer_np(routine, arg) \
+ do { \
+ __pthread_unwind_buf_t __cancel_buf; \
+ void (*__cancel_routine) (void *) = (routine); \
+ void *__cancel_arg = (arg); \
+ int __not_first_call = __sigsetjmp ((struct __jmp_buf_tag *) (void *) \
+ __cancel_buf.__cancel_jmp_buf, 0); \
+ if (__glibc_unlikely (__not_first_call)) \
+ { \
+ __cancel_routine (__cancel_arg); \
+ __pthread_unwind_next (&__cancel_buf); \
+ /* NOTREACHED */ \
+ } \
+ \
+ __pthread_register_cancel_defer (&__cancel_buf); \
+ do {
+extern void __pthread_register_cancel_defer (__pthread_unwind_buf_t *__buf)
+ __cleanup_fct_attribute;
+
+/* Remove a cleanup handler as pthread_cleanup_pop does, but also
+ restores the cancellation type that was in effect when the matching
+ pthread_cleanup_push_defer was called. */
+# define pthread_cleanup_pop_restore_np(execute) \
+ do { } while (0);/* Empty to allow label before pthread_cleanup_pop. */\
+ } while (0); \
+ __pthread_unregister_cancel_restore (&__cancel_buf); \
+ if (execute) \
+ __cancel_routine (__cancel_arg); \
+ } while (0)
+extern void __pthread_unregister_cancel_restore (__pthread_unwind_buf_t *__buf)
+ __cleanup_fct_attribute;
+# endif
+
+/* Internal interface to initiate cleanup. */
+extern void __pthread_unwind_next (__pthread_unwind_buf_t *__buf)
+ __cleanup_fct_attribute __attribute__ ((__noreturn__))
+# ifndef SHARED
+ __attribute__ ((__weak__))
+# endif
+ ;
+#endif
+
+/* Function used in the macros. */
+struct __jmp_buf_tag;
+extern int __sigsetjmp (struct __jmp_buf_tag *__env, int __savemask) __THROWNL;
+
+
+/* Mutex handling. */
+
+/* Initialize a mutex. */
+extern int pthread_mutex_init (pthread_mutex_t *__mutex,
+ const pthread_mutexattr_t *__mutexattr)
+ __THROW __nonnull ((1));
+
+/* Destroy a mutex. */
+extern int pthread_mutex_destroy (pthread_mutex_t *__mutex)
+ __THROW __nonnull ((1));
+
+/* Try locking a mutex. */
+extern int pthread_mutex_trylock (pthread_mutex_t *__mutex)
+ __THROWNL __nonnull ((1));
+
+/* Lock a mutex. */
+extern int pthread_mutex_lock (pthread_mutex_t *__mutex)
+ __THROWNL __nonnull ((1));
+
+#ifdef __USE_XOPEN2K
+/* Wait until lock becomes available, or specified time passes. */
+extern int pthread_mutex_timedlock (pthread_mutex_t *__restrict __mutex,
+ const struct timespec *__restrict
+ __abstime) __THROWNL __nonnull ((1, 2));
+#endif
+
+/* Unlock a mutex. */
+extern int pthread_mutex_unlock (pthread_mutex_t *__mutex)
+ __THROWNL __nonnull ((1));
+
+
+/* Get the priority ceiling of MUTEX. */
+extern int pthread_mutex_getprioceiling (const pthread_mutex_t *
+ __restrict __mutex,
+ int *__restrict __prioceiling)
+ __THROW __nonnull ((1, 2));
+
+/* Set the priority ceiling of MUTEX to PRIOCEILING, return old
+ priority ceiling value in *OLD_CEILING. */
+extern int pthread_mutex_setprioceiling (pthread_mutex_t *__restrict __mutex,
+ int __prioceiling,
+ int *__restrict __old_ceiling)
+ __THROW __nonnull ((1, 3));
+
+
+#ifdef __USE_XOPEN2K8
+/* Declare the state protected by MUTEX as consistent. */
+extern int pthread_mutex_consistent (pthread_mutex_t *__mutex)
+ __THROW __nonnull ((1));
+# ifdef __USE_GNU
+extern int pthread_mutex_consistent_np (pthread_mutex_t *__mutex)
+ __THROW __nonnull ((1));
+# endif
+#endif
+
+
+/* Functions for handling mutex attributes. */
+
+/* Initialize mutex attribute object ATTR with default attributes
+ (kind is PTHREAD_MUTEX_TIMED_NP). */
+extern int pthread_mutexattr_init (pthread_mutexattr_t *__attr)
+ __THROW __nonnull ((1));
+
+/* Destroy mutex attribute object ATTR. */
+extern int pthread_mutexattr_destroy (pthread_mutexattr_t *__attr)
+ __THROW __nonnull ((1));
+
+/* Get the process-shared flag of the mutex attribute ATTR. */
+extern int pthread_mutexattr_getpshared (const pthread_mutexattr_t *
+ __restrict __attr,
+ int *__restrict __pshared)
+ __THROW __nonnull ((1, 2));
+
+/* Set the process-shared flag of the mutex attribute ATTR. */
+extern int pthread_mutexattr_setpshared (pthread_mutexattr_t *__attr,
+ int __pshared)
+ __THROW __nonnull ((1));
+
+#if defined __USE_UNIX98 || defined __USE_XOPEN2K8
+/* Return in *KIND the mutex kind attribute in *ATTR. */
+extern int pthread_mutexattr_gettype (const pthread_mutexattr_t *__restrict
+ __attr, int *__restrict __kind)
+ __THROW __nonnull ((1, 2));
+
+/* Set the mutex kind attribute in *ATTR to KIND (either PTHREAD_MUTEX_NORMAL,
+ PTHREAD_MUTEX_RECURSIVE, PTHREAD_MUTEX_ERRORCHECK, or
+ PTHREAD_MUTEX_DEFAULT). */
+extern int pthread_mutexattr_settype (pthread_mutexattr_t *__attr, int __kind)
+ __THROW __nonnull ((1));
+#endif
+
+/* Return in *PROTOCOL the mutex protocol attribute in *ATTR. */
+extern int pthread_mutexattr_getprotocol (const pthread_mutexattr_t *
+ __restrict __attr,
+ int *__restrict __protocol)
+ __THROW __nonnull ((1, 2));
+
+/* Set the mutex protocol attribute in *ATTR to PROTOCOL (either
+ PTHREAD_PRIO_NONE, PTHREAD_PRIO_INHERIT, or PTHREAD_PRIO_PROTECT). */
+extern int pthread_mutexattr_setprotocol (pthread_mutexattr_t *__attr,
+ int __protocol)
+ __THROW __nonnull ((1));
+
+/* Return in *PRIOCEILING the mutex prioceiling attribute in *ATTR. */
+extern int pthread_mutexattr_getprioceiling (const pthread_mutexattr_t *
+ __restrict __attr,
+ int *__restrict __prioceiling)
+ __THROW __nonnull ((1, 2));
+
+/* Set the mutex prioceiling attribute in *ATTR to PRIOCEILING. */
+extern int pthread_mutexattr_setprioceiling (pthread_mutexattr_t *__attr,
+ int __prioceiling)
+ __THROW __nonnull ((1));
+
+#ifdef __USE_XOPEN2K
+/* Get the robustness flag of the mutex attribute ATTR. */
+extern int pthread_mutexattr_getrobust (const pthread_mutexattr_t *__attr,
+ int *__robustness)
+ __THROW __nonnull ((1, 2));
+# ifdef __USE_GNU
+extern int pthread_mutexattr_getrobust_np (const pthread_mutexattr_t *__attr,
+ int *__robustness)
+ __THROW __nonnull ((1, 2));
+# endif
+
+/* Set the robustness flag of the mutex attribute ATTR. */
+extern int pthread_mutexattr_setrobust (pthread_mutexattr_t *__attr,
+ int __robustness)
+ __THROW __nonnull ((1));
+# ifdef __USE_GNU
+extern int pthread_mutexattr_setrobust_np (pthread_mutexattr_t *__attr,
+ int __robustness)
+ __THROW __nonnull ((1));
+# endif
+#endif
+
+
+#if defined __USE_UNIX98 || defined __USE_XOPEN2K
+/* Functions for handling read-write locks. */
+
+/* Initialize read-write lock RWLOCK using attributes ATTR, or use
+ the default values if later is NULL. */
+extern int pthread_rwlock_init (pthread_rwlock_t *__restrict __rwlock,
+ const pthread_rwlockattr_t *__restrict
+ __attr) __THROW __nonnull ((1));
+
+/* Destroy read-write lock RWLOCK. */
+extern int pthread_rwlock_destroy (pthread_rwlock_t *__rwlock)
+ __THROW __nonnull ((1));
+
+/* Acquire read lock for RWLOCK. */
+extern int pthread_rwlock_rdlock (pthread_rwlock_t *__rwlock)
+ __THROWNL __nonnull ((1));
+
+/* Try to acquire read lock for RWLOCK. */
+extern int pthread_rwlock_tryrdlock (pthread_rwlock_t *__rwlock)
+ __THROWNL __nonnull ((1));
+
+# ifdef __USE_XOPEN2K
+/* Try to acquire read lock for RWLOCK or return after specfied time. */
+extern int pthread_rwlock_timedrdlock (pthread_rwlock_t *__restrict __rwlock,
+ const struct timespec *__restrict
+ __abstime) __THROWNL __nonnull ((1, 2));
+# endif
+
+/* Acquire write lock for RWLOCK. */
+extern int pthread_rwlock_wrlock (pthread_rwlock_t *__rwlock)
+ __THROWNL __nonnull ((1));
+
+/* Try to acquire write lock for RWLOCK. */
+extern int pthread_rwlock_trywrlock (pthread_rwlock_t *__rwlock)
+ __THROWNL __nonnull ((1));
+
+# ifdef __USE_XOPEN2K
+/* Try to acquire write lock for RWLOCK or return after specfied time. */
+extern int pthread_rwlock_timedwrlock (pthread_rwlock_t *__restrict __rwlock,
+ const struct timespec *__restrict
+ __abstime) __THROWNL __nonnull ((1, 2));
+# endif
+
+/* Unlock RWLOCK. */
+extern int pthread_rwlock_unlock (pthread_rwlock_t *__rwlock)
+ __THROWNL __nonnull ((1));
+
+
+/* Functions for handling read-write lock attributes. */
+
+/* Initialize attribute object ATTR with default values. */
+extern int pthread_rwlockattr_init (pthread_rwlockattr_t *__attr)
+ __THROW __nonnull ((1));
+
+/* Destroy attribute object ATTR. */
+extern int pthread_rwlockattr_destroy (pthread_rwlockattr_t *__attr)
+ __THROW __nonnull ((1));
+
+/* Return current setting of process-shared attribute of ATTR in PSHARED. */
+extern int pthread_rwlockattr_getpshared (const pthread_rwlockattr_t *
+ __restrict __attr,
+ int *__restrict __pshared)
+ __THROW __nonnull ((1, 2));
+
+/* Set process-shared attribute of ATTR to PSHARED. */
+extern int pthread_rwlockattr_setpshared (pthread_rwlockattr_t *__attr,
+ int __pshared)
+ __THROW __nonnull ((1));
+
+/* Return current setting of reader/writer preference. */
+extern int pthread_rwlockattr_getkind_np (const pthread_rwlockattr_t *
+ __restrict __attr,
+ int *__restrict __pref)
+ __THROW __nonnull ((1, 2));
+
+/* Set reader/write preference. */
+extern int pthread_rwlockattr_setkind_np (pthread_rwlockattr_t *__attr,
+ int __pref) __THROW __nonnull ((1));
+#endif
+
+
+/* Functions for handling conditional variables. */
+
+/* Initialize condition variable COND using attributes ATTR, or use
+ the default values if later is NULL. */
+extern int pthread_cond_init (pthread_cond_t *__restrict __cond,
+ const pthread_condattr_t *__restrict __cond_attr)
+ __THROW __nonnull ((1));
+
+/* Destroy condition variable COND. */
+extern int pthread_cond_destroy (pthread_cond_t *__cond)
+ __THROW __nonnull ((1));
+
+/* Wake up one thread waiting for condition variable COND. */
+extern int pthread_cond_signal (pthread_cond_t *__cond)
+ __THROWNL __nonnull ((1));
+
+/* Wake up all threads waiting for condition variables COND. */
+extern int pthread_cond_broadcast (pthread_cond_t *__cond)
+ __THROWNL __nonnull ((1));
+
+/* Wait for condition variable COND to be signaled or broadcast.
+ MUTEX is assumed to be locked before.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+extern int pthread_cond_wait (pthread_cond_t *__restrict __cond,
+ pthread_mutex_t *__restrict __mutex)
+ __nonnull ((1, 2));
+
+/* Wait for condition variable COND to be signaled or broadcast until
+ ABSTIME. MUTEX is assumed to be locked before. ABSTIME is an
+ absolute time specification; zero is the beginning of the epoch
+ (00:00:00 GMT, January 1, 1970).
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+extern int pthread_cond_timedwait (pthread_cond_t *__restrict __cond,
+ pthread_mutex_t *__restrict __mutex,
+ const struct timespec *__restrict __abstime)
+ __nonnull ((1, 2, 3));
+
+/* Functions for handling condition variable attributes. */
+
+/* Initialize condition variable attribute ATTR. */
+extern int pthread_condattr_init (pthread_condattr_t *__attr)
+ __THROW __nonnull ((1));
+
+/* Destroy condition variable attribute ATTR. */
+extern int pthread_condattr_destroy (pthread_condattr_t *__attr)
+ __THROW __nonnull ((1));
+
+/* Get the process-shared flag of the condition variable attribute ATTR. */
+extern int pthread_condattr_getpshared (const pthread_condattr_t *
+ __restrict __attr,
+ int *__restrict __pshared)
+ __THROW __nonnull ((1, 2));
+
+/* Set the process-shared flag of the condition variable attribute ATTR. */
+extern int pthread_condattr_setpshared (pthread_condattr_t *__attr,
+ int __pshared) __THROW __nonnull ((1));
+
+#ifdef __USE_XOPEN2K
+/* Get the clock selected for the condition variable attribute ATTR. */
+extern int pthread_condattr_getclock (const pthread_condattr_t *
+ __restrict __attr,
+ __clockid_t *__restrict __clock_id)
+ __THROW __nonnull ((1, 2));
+
+/* Set the clock selected for the condition variable attribute ATTR. */
+extern int pthread_condattr_setclock (pthread_condattr_t *__attr,
+ __clockid_t __clock_id)
+ __THROW __nonnull ((1));
+#endif
+
+
+#ifdef __USE_XOPEN2K
+/* Functions to handle spinlocks. */
+
+/* Initialize the spinlock LOCK. If PSHARED is nonzero the spinlock can
+ be shared between different processes. */
+extern int pthread_spin_init (pthread_spinlock_t *__lock, int __pshared)
+ __THROW __nonnull ((1));
+
+/* Destroy the spinlock LOCK. */
+extern int pthread_spin_destroy (pthread_spinlock_t *__lock)
+ __THROW __nonnull ((1));
+
+/* Wait until spinlock LOCK is retrieved. */
+extern int pthread_spin_lock (pthread_spinlock_t *__lock)
+ __THROWNL __nonnull ((1));
+
+/* Try to lock spinlock LOCK. */
+extern int pthread_spin_trylock (pthread_spinlock_t *__lock)
+ __THROWNL __nonnull ((1));
+
+/* Release spinlock LOCK. */
+extern int pthread_spin_unlock (pthread_spinlock_t *__lock)
+ __THROWNL __nonnull ((1));
+
+
+/* Functions to handle barriers. */
+
+/* Initialize BARRIER with the attributes in ATTR. The barrier is
+ opened when COUNT waiters arrived. */
+extern int pthread_barrier_init (pthread_barrier_t *__restrict __barrier,
+ const pthread_barrierattr_t *__restrict
+ __attr, unsigned int __count)
+ __THROW __nonnull ((1));
+
+/* Destroy a previously dynamically initialized barrier BARRIER. */
+extern int pthread_barrier_destroy (pthread_barrier_t *__barrier)
+ __THROW __nonnull ((1));
+
+/* Wait on barrier BARRIER. */
+extern int pthread_barrier_wait (pthread_barrier_t *__barrier)
+ __THROWNL __nonnull ((1));
+
+
+/* Initialize barrier attribute ATTR. */
+extern int pthread_barrierattr_init (pthread_barrierattr_t *__attr)
+ __THROW __nonnull ((1));
+
+/* Destroy previously dynamically initialized barrier attribute ATTR. */
+extern int pthread_barrierattr_destroy (pthread_barrierattr_t *__attr)
+ __THROW __nonnull ((1));
+
+/* Get the process-shared flag of the barrier attribute ATTR. */
+extern int pthread_barrierattr_getpshared (const pthread_barrierattr_t *
+ __restrict __attr,
+ int *__restrict __pshared)
+ __THROW __nonnull ((1, 2));
+
+/* Set the process-shared flag of the barrier attribute ATTR. */
+extern int pthread_barrierattr_setpshared (pthread_barrierattr_t *__attr,
+ int __pshared)
+ __THROW __nonnull ((1));
+#endif
+
+
+/* Functions for handling thread-specific data. */
+
+/* Create a key value identifying a location in the thread-specific
+ data area. Each thread maintains a distinct thread-specific data
+ area. DESTR_FUNCTION, if non-NULL, is called with the value
+ associated to that key when the key is destroyed.
+ DESTR_FUNCTION is not called if the value associated is NULL when
+ the key is destroyed. */
+extern int pthread_key_create (pthread_key_t *__key,
+ void (*__destr_function) (void *))
+ __THROW __nonnull ((1));
+
+/* Destroy KEY. */
+extern int pthread_key_delete (pthread_key_t __key) __THROW;
+
+/* Return current value of the thread-specific data slot identified by KEY. */
+extern void *pthread_getspecific (pthread_key_t __key) __THROW;
+
+/* Store POINTER in the thread-specific data slot identified by KEY. */
+extern int pthread_setspecific (pthread_key_t __key,
+ const void *__pointer) __THROW ;
+
+
+#ifdef __USE_XOPEN2K
+/* Get ID of CPU-time clock for thread THREAD_ID. */
+extern int pthread_getcpuclockid (pthread_t __thread_id,
+ __clockid_t *__clock_id)
+ __THROW __nonnull ((2));
+#endif
+
+
+/* Install handlers to be called when a new process is created with FORK.
+ The PREPARE handler is called in the parent process just before performing
+ FORK. The PARENT handler is called in the parent process just after FORK.
+ The CHILD handler is called in the child process. Each of the three
+ handlers can be NULL, meaning that no handler needs to be called at that
+ point.
+ PTHREAD_ATFORK can be called several times, in which case the PREPARE
+ handlers are called in LIFO order (last added with PTHREAD_ATFORK,
+ first called before FORK), and the PARENT and CHILD handlers are called
+ in FIFO (first added, first called). */
+
+extern int pthread_atfork (void (*__prepare) (void),
+ void (*__parent) (void),
+ void (*__child) (void)) __THROW;
+
+
+#ifdef __USE_EXTERN_INLINES
+/* Optimizations. */
+__extern_inline int
+__NTH (pthread_equal (pthread_t __thread1, pthread_t __thread2))
+{
+ return __thread1 == __thread2;
+}
+#endif
+
+__END_DECLS
+
+#endif /* pthread.h */
new file mode 100644
@@ -0,0 +1,22 @@
+/* Pthread macros. Linux/x86 version.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include_next <pthreaddef.h>
+
+/* Need saved_mask in cancel_jmp_buf. */
+#define NEED_SAVED_MASK_IN_CANCEL_JMP_BUF 1