Thanks for including the pthread.h file, that helped me locate the problem
I had to revert a change I had made to CMakeLists.txt and add some comments
to ensure it doesn't get "fixed" that way again. Please update and try
again.
Rick
On Sun, Mar 18, 2018 at 10:12 AM, Rony G. Flatscher <[email protected]
> wrote:
> Here the /usr/include/pthread.h:
>
> /* Copyright (C) 2002-2016 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/> <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>
>
>
> /* 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
>
>
> #ifdef __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, (void *) 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
> {
> struct
> {
> __jmp_buf __cancel_jmp_buf;
> int __mask_was_saved;
> } __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 */
>
> ---rony
>
>
> ------------------------------------------------------------
> ------------------
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>
>
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