diff options
Diffstat (limited to 'sysdeps')
-rw-r--r-- | sysdeps/nptl/aio_misc.h | 2 | ||||
-rw-r--r-- | sysdeps/nptl/dl-tls_init_tp.c | 2 | ||||
-rw-r--r-- | sysdeps/nptl/fork.c | 2 | ||||
-rw-r--r-- | sysdeps/nptl/gai_misc.h | 2 | ||||
-rw-r--r-- | sysdeps/nptl/jmp-unwind.c | 2 | ||||
-rw-r--r-- | sysdeps/nptl/libc-lockP.h | 2 | ||||
-rw-r--r-- | sysdeps/nptl/libc_start_call_main.h | 2 | ||||
-rw-r--r-- | sysdeps/nptl/pthreadP.h | 739 | ||||
-rw-r--r-- | sysdeps/nptl/pthread_early_init.h | 2 | ||||
-rw-r--r-- | sysdeps/nptl/setxid.h | 2 | ||||
-rw-r--r-- | sysdeps/posix/spawni.c | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/dl-execstack.c | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/mq_notify.c | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/s390/jmp-unwind.c | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/sigprocmask.c | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/spawni.c | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/timer_create.c | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/timer_routines.c | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/tls-internal.h | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/x86/longjmp.c | 2 |
20 files changed, 758 insertions, 19 deletions
diff --git a/sysdeps/nptl/aio_misc.h b/sysdeps/nptl/aio_misc.h index 3e9b8929b2..a5c439fab5 100644 --- a/sysdeps/nptl/aio_misc.h +++ b/sysdeps/nptl/aio_misc.h @@ -21,7 +21,7 @@ correct aio_suspend and lio_listio implementations. */ #include <assert.h> -#include <nptl/pthreadP.h> +#include <pthreadP.h> #include <futex-internal.h> #define DONT_NEED_AIO_MISC_COND 1 diff --git a/sysdeps/nptl/dl-tls_init_tp.c b/sysdeps/nptl/dl-tls_init_tp.c index b7b3bb1cdb..c3349dd14c 100644 --- a/sysdeps/nptl/dl-tls_init_tp.c +++ b/sysdeps/nptl/dl-tls_init_tp.c @@ -19,7 +19,7 @@ #include <kernel-features.h> #include <ldsodefs.h> #include <list.h> -#include <nptl/pthreadP.h> +#include <pthreadP.h> #include <tls.h> #ifndef __ASSUME_SET_ROBUST_LIST diff --git a/sysdeps/nptl/fork.c b/sysdeps/nptl/fork.c index 062b01265a..39ab797612 100644 --- a/sysdeps/nptl/fork.c +++ b/sysdeps/nptl/fork.c @@ -27,7 +27,7 @@ #include <ldsodefs.h> #include <stdio-lock.h> #include <atomic.h> -#include <nptl/pthreadP.h> +#include <pthreadP.h> #include <register-atfork.h> #include <arch-fork.h> #include <futex-internal.h> diff --git a/sysdeps/nptl/gai_misc.h b/sysdeps/nptl/gai_misc.h index 82948fdf96..36bf27523d 100644 --- a/sysdeps/nptl/gai_misc.h +++ b/sysdeps/nptl/gai_misc.h @@ -22,7 +22,7 @@ #include <assert.h> #include <signal.h> -#include <nptl/pthreadP.h> +#include <pthreadP.h> #include <futex-internal.h> #define DONT_NEED_GAI_MISC_COND 1 diff --git a/sysdeps/nptl/jmp-unwind.c b/sysdeps/nptl/jmp-unwind.c index 96c4862c74..5254c16b81 100644 --- a/sysdeps/nptl/jmp-unwind.c +++ b/sysdeps/nptl/jmp-unwind.c @@ -19,7 +19,7 @@ #include <setjmp.h> #include <stddef.h> #include <libc-lock.h> -#include <nptl/pthreadP.h> +#include <pthreadP.h> void _longjmp_unwind (jmp_buf env, int val) diff --git a/sysdeps/nptl/libc-lockP.h b/sysdeps/nptl/libc-lockP.h index ec7b02bbdd..ef88a3e533 100644 --- a/sysdeps/nptl/libc-lockP.h +++ b/sysdeps/nptl/libc-lockP.h @@ -36,7 +36,7 @@ #if IS_IN (libpthread) /* This gets us the declarations of the __pthread_* internal names, and hidden_proto for them. */ -# include <nptl/pthreadP.h> +# include <pthreadP.h> #endif /* Mutex type. */ diff --git a/sysdeps/nptl/libc_start_call_main.h b/sysdeps/nptl/libc_start_call_main.h index b56bf34325..06d72c1e38 100644 --- a/sysdeps/nptl/libc_start_call_main.h +++ b/sysdeps/nptl/libc_start_call_main.h @@ -17,7 +17,7 @@ <https://www.gnu.org/licenses/>. */ #include <atomic.h> -#include <nptl/pthreadP.h> +#include <pthreadP.h> _Noreturn static void __libc_start_call_main (int (*main) (int, char **, char ** MAIN_AUXVEC_DECL), diff --git a/sysdeps/nptl/pthreadP.h b/sysdeps/nptl/pthreadP.h new file mode 100644 index 0000000000..ca96ff073b --- /dev/null +++ b/sysdeps/nptl/pthreadP.h @@ -0,0 +1,739 @@ +/* Copyright (C) 2002-2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. + + 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 + <https://www.gnu.org/licenses/>. */ + +#ifndef _PTHREADP_H +#define _PTHREADP_H 1 + +#define __PTHREAD_NPTL + +#include <pthread.h> +#include <setjmp.h> +#include <stdbool.h> +#include <sys/syscall.h> +#include <nptl/descr.h> +#include <tls.h> +#include <lowlevellock.h> +#include <stackinfo.h> +#include <internaltypes.h> +#include <atomic.h> +#include <kernel-features.h> +#include <errno.h> +#include <internal-signals.h> +#include "pthread_mutex_conf.h" + + +/* Atomic operations on TLS memory. */ +#ifndef THREAD_ATOMIC_CMPXCHG_VAL +# define THREAD_ATOMIC_CMPXCHG_VAL(descr, member, new, old) \ + atomic_compare_and_exchange_val_acq (&(descr)->member, new, old) +#endif + +#ifndef THREAD_ATOMIC_BIT_SET +# define THREAD_ATOMIC_BIT_SET(descr, member, bit) \ + atomic_bit_set (&(descr)->member, bit) +#endif + + +static inline short max_adaptive_count (void) +{ +#if HAVE_TUNABLES + return __mutex_aconf.spin_count; +#else + return DEFAULT_ADAPTIVE_COUNT; +#endif +} + + +/* Magic cookie representing robust mutex with dead owner. */ +#define PTHREAD_MUTEX_INCONSISTENT INT_MAX +/* Magic cookie representing not recoverable robust mutex. */ +#define PTHREAD_MUTEX_NOTRECOVERABLE (INT_MAX - 1) + + +/* Internal mutex type value. */ +enum +{ + PTHREAD_MUTEX_KIND_MASK_NP = 3, + + PTHREAD_MUTEX_ELISION_NP = 256, + PTHREAD_MUTEX_NO_ELISION_NP = 512, + + PTHREAD_MUTEX_ROBUST_NORMAL_NP = 16, + PTHREAD_MUTEX_ROBUST_RECURSIVE_NP + = PTHREAD_MUTEX_ROBUST_NORMAL_NP | PTHREAD_MUTEX_RECURSIVE_NP, + PTHREAD_MUTEX_ROBUST_ERRORCHECK_NP + = PTHREAD_MUTEX_ROBUST_NORMAL_NP | PTHREAD_MUTEX_ERRORCHECK_NP, + PTHREAD_MUTEX_ROBUST_ADAPTIVE_NP + = PTHREAD_MUTEX_ROBUST_NORMAL_NP | PTHREAD_MUTEX_ADAPTIVE_NP, + PTHREAD_MUTEX_PRIO_INHERIT_NP = 32, + PTHREAD_MUTEX_PI_NORMAL_NP + = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_NORMAL, + PTHREAD_MUTEX_PI_RECURSIVE_NP + = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_RECURSIVE_NP, + PTHREAD_MUTEX_PI_ERRORCHECK_NP + = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ERRORCHECK_NP, + PTHREAD_MUTEX_PI_ADAPTIVE_NP + = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ADAPTIVE_NP, + PTHREAD_MUTEX_PI_ROBUST_NORMAL_NP + = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ROBUST_NORMAL_NP, + PTHREAD_MUTEX_PI_ROBUST_RECURSIVE_NP + = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ROBUST_RECURSIVE_NP, + PTHREAD_MUTEX_PI_ROBUST_ERRORCHECK_NP + = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ROBUST_ERRORCHECK_NP, + PTHREAD_MUTEX_PI_ROBUST_ADAPTIVE_NP + = PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ROBUST_ADAPTIVE_NP, + PTHREAD_MUTEX_PRIO_PROTECT_NP = 64, + PTHREAD_MUTEX_PP_NORMAL_NP + = PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_NORMAL, + PTHREAD_MUTEX_PP_RECURSIVE_NP + = PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_RECURSIVE_NP, + PTHREAD_MUTEX_PP_ERRORCHECK_NP + = PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_ERRORCHECK_NP, + PTHREAD_MUTEX_PP_ADAPTIVE_NP + = PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_ADAPTIVE_NP, + PTHREAD_MUTEX_ELISION_FLAGS_NP + = PTHREAD_MUTEX_ELISION_NP | PTHREAD_MUTEX_NO_ELISION_NP, + + PTHREAD_MUTEX_TIMED_ELISION_NP = + PTHREAD_MUTEX_TIMED_NP | PTHREAD_MUTEX_ELISION_NP, + PTHREAD_MUTEX_TIMED_NO_ELISION_NP = + PTHREAD_MUTEX_TIMED_NP | PTHREAD_MUTEX_NO_ELISION_NP, +}; +#define PTHREAD_MUTEX_PSHARED_BIT 128 + +/* See concurrency notes regarding __kind in struct __pthread_mutex_s + in sysdeps/nptl/bits/thread-shared-types.h. */ +#define PTHREAD_MUTEX_TYPE(m) \ + (atomic_load_relaxed (&((m)->__data.__kind)) & 127) +/* Don't include NO_ELISION, as that type is always the same + as the underlying lock type. */ +#define PTHREAD_MUTEX_TYPE_ELISION(m) \ + (atomic_load_relaxed (&((m)->__data.__kind)) \ + & (127 | PTHREAD_MUTEX_ELISION_NP)) + +#if LLL_PRIVATE == 0 && LLL_SHARED == 128 +# define PTHREAD_MUTEX_PSHARED(m) \ + (atomic_load_relaxed (&((m)->__data.__kind)) & 128) +#else +# define PTHREAD_MUTEX_PSHARED(m) \ + ((atomic_load_relaxed (&((m)->__data.__kind)) & 128) \ + ? LLL_SHARED : LLL_PRIVATE) +#endif + +/* The kernel when waking robust mutexes on exit never uses + FUTEX_PRIVATE_FLAG FUTEX_WAKE. */ +#define PTHREAD_ROBUST_MUTEX_PSHARED(m) LLL_SHARED + +/* Ceiling in __data.__lock. __data.__lock is signed, so don't + use the MSB bit in there, but in the mask also include that bit, + so that the compiler can optimize & PTHREAD_MUTEX_PRIO_CEILING_MASK + masking if the value is then shifted down by + PTHREAD_MUTEX_PRIO_CEILING_SHIFT. */ +#define PTHREAD_MUTEX_PRIO_CEILING_SHIFT 19 +#define PTHREAD_MUTEX_PRIO_CEILING_MASK 0xfff80000 + + +/* Flags in mutex attr. */ +#define PTHREAD_MUTEXATTR_PROTOCOL_SHIFT 28 +#define PTHREAD_MUTEXATTR_PROTOCOL_MASK 0x30000000 +#define PTHREAD_MUTEXATTR_PRIO_CEILING_SHIFT 12 +#define PTHREAD_MUTEXATTR_PRIO_CEILING_MASK 0x00fff000 +#define PTHREAD_MUTEXATTR_FLAG_ROBUST 0x40000000 +#define PTHREAD_MUTEXATTR_FLAG_PSHARED 0x80000000 +#define PTHREAD_MUTEXATTR_FLAG_BITS \ + (PTHREAD_MUTEXATTR_FLAG_ROBUST | PTHREAD_MUTEXATTR_FLAG_PSHARED \ + | PTHREAD_MUTEXATTR_PROTOCOL_MASK | PTHREAD_MUTEXATTR_PRIO_CEILING_MASK) + + +/* For the following, see pthread_rwlock_common.c. */ +#define PTHREAD_RWLOCK_WRPHASE 1 +#define PTHREAD_RWLOCK_WRLOCKED 2 +#define PTHREAD_RWLOCK_RWAITING 4 +#define PTHREAD_RWLOCK_READER_SHIFT 3 +#define PTHREAD_RWLOCK_READER_OVERFLOW ((unsigned int) 1 \ + << (sizeof (unsigned int) * 8 - 1)) +#define PTHREAD_RWLOCK_WRHANDOVER ((unsigned int) 1 \ + << (sizeof (unsigned int) * 8 - 1)) +#define PTHREAD_RWLOCK_FUTEX_USED 2 + + +/* Bits used in robust mutex implementation. */ +#define FUTEX_WAITERS 0x80000000 +#define FUTEX_OWNER_DIED 0x40000000 +#define FUTEX_TID_MASK 0x3fffffff + + +/* pthread_once definitions. See __pthread_once for how these are used. */ +#define __PTHREAD_ONCE_INPROGRESS 1 +#define __PTHREAD_ONCE_DONE 2 +#define __PTHREAD_ONCE_FORK_GEN_INCR 4 + +/* Attribute to indicate thread creation was issued from C11 thrd_create. */ +#define ATTR_C11_THREAD ((void*)(uintptr_t)-1) + + +/* Condition variable definitions. See __pthread_cond_wait_common. + Need to be defined here so there is one place from which + nptl_lock_constants can grab them. */ +#define __PTHREAD_COND_CLOCK_MONOTONIC_MASK 2 +#define __PTHREAD_COND_SHARED_MASK 1 + + +/* Internal variables. */ + + +/* Default pthread attributes. */ +extern union pthread_attr_transparent __default_pthread_attr; +libc_hidden_proto (__default_pthread_attr) +extern int __default_pthread_attr_lock; +libc_hidden_proto (__default_pthread_attr_lock) +/* Called from __libc_freeres to deallocate the default attribute. */ +extern void __default_pthread_attr_freeres (void) attribute_hidden; + +/* Attribute handling. */ +extern struct pthread_attr *__attr_list attribute_hidden; +extern int __attr_list_lock attribute_hidden; + +/* Concurrency handling. */ +extern int __concurrency_level attribute_hidden; + +/* Thread-local data key handling. */ +extern struct pthread_key_struct __pthread_keys[PTHREAD_KEYS_MAX]; +libc_hidden_proto (__pthread_keys) + +/* Number of threads running. */ +extern unsigned int __nptl_nthreads; +libc_hidden_proto (__nptl_nthreads) + +#ifndef __ASSUME_SET_ROBUST_LIST +/* True if the set_robust_list system call works. Initialized in + __tls_init_tp. */ +extern bool __nptl_set_robust_list_avail; +rtld_hidden_proto (__nptl_set_robust_list_avail) +#endif + +/* Thread Priority Protection. */ +extern int __sched_fifo_min_prio; +libc_hidden_proto (__sched_fifo_min_prio) +extern int __sched_fifo_max_prio; +libc_hidden_proto (__sched_fifo_max_prio) +extern void __init_sched_fifo_prio (void); +libc_hidden_proto (__init_sched_fifo_prio) +extern int __pthread_tpp_change_priority (int prev_prio, int new_prio); +libc_hidden_proto (__pthread_tpp_change_priority) +extern int __pthread_current_priority (void); +libc_hidden_proto (__pthread_current_priority) + +/* This will not catch all invalid descriptors but is better than + nothing. And if the test triggers the thread descriptor is + guaranteed to be invalid. */ +#define INVALID_TD_P(pd) __builtin_expect ((pd)->tid <= 0, 0) +#define INVALID_NOT_TERMINATED_TD_P(pd) __builtin_expect ((pd)->tid < 0, 0) + +extern void __pthread_unwind (__pthread_unwind_buf_t *__buf) + __cleanup_fct_attribute __attribute ((__noreturn__)) +#if !defined SHARED && !IS_IN (libpthread) + weak_function +#endif + ; +libc_hidden_proto (__pthread_unwind) +extern void __pthread_unwind_next (__pthread_unwind_buf_t *__buf) + __cleanup_fct_attribute __attribute ((__noreturn__)) +#ifndef SHARED + weak_function +#endif + ; +/* NB: No hidden proto for __pthread_unwind_next: inside glibc, the + legacy unwinding mechanism is used. */ + +extern void __pthread_register_cancel (__pthread_unwind_buf_t *__buf) + __cleanup_fct_attribute; +libc_hidden_proto (__pthread_register_cancel) +extern void __pthread_unregister_cancel (__pthread_unwind_buf_t *__buf) + __cleanup_fct_attribute; +libc_hidden_proto (__pthread_unregister_cancel) + +/* Called when a thread reacts on a cancellation request. */ +static inline void +__attribute ((noreturn, always_inline)) +__do_cancel (void) +{ + struct pthread *self = THREAD_SELF; + + /* Make sure we get no more cancellations. */ + THREAD_ATOMIC_BIT_SET (self, cancelhandling, EXITING_BIT); + + __pthread_unwind ((__pthread_unwind_buf_t *) + THREAD_GETMEM (self, cleanup_jmp_buf)); +} + + +/* Internal prototypes. */ + +/* Deallocate a thread's stack after optionally making sure the thread + descriptor is still valid. */ +extern void __nptl_free_tcb (struct pthread *pd); +libc_hidden_proto (__nptl_free_tcb) + +/* Change the permissions of a thread stack. Called from + _dl_make_stacks_executable and pthread_create. */ +int +__nptl_change_stack_perm (struct pthread *pd); +rtld_hidden_proto (__nptl_change_stack_perm) + +/* longjmp handling. */ +extern void __pthread_cleanup_upto (__jmp_buf target, char *targetframe); +libc_hidden_proto (__pthread_cleanup_upto) + + +/* Functions with versioned interfaces. */ +extern int __pthread_create (pthread_t *newthread, + const pthread_attr_t *attr, + void *(*start_routine) (void *), void *arg); +libc_hidden_proto (__pthread_create) +extern int __pthread_create_2_0 (pthread_t *newthread, + const pthread_attr_t *attr, + void *(*start_routine) (void *), void *arg); +extern int __pthread_attr_init (pthread_attr_t *attr); +libc_hidden_proto (__pthread_attr_init) +extern int __pthread_attr_init_2_0 (pthread_attr_t *attr); + +/* Part of the legacy thread events interface (which has been + superseded by PTRACE_O_TRACECLONE). This can be set by the + debugger before initialization is complete. */ +extern bool __nptl_initial_report_events; +rtld_hidden_proto (__nptl_initial_report_events) + +/* Event handlers for libthread_db interface. */ +extern void __nptl_create_event (void); +extern void __nptl_death_event (void); +libc_hidden_proto (__nptl_create_event) +libc_hidden_proto (__nptl_death_event) + +/* The fork generation counter, defined in libpthread. */ +extern unsigned long int __fork_generation attribute_hidden; + +/* Pointer to the fork generation counter in the thread library. */ +extern unsigned long int *__fork_generation_pointer attribute_hidden; + +extern size_t __pthread_get_minstack (const pthread_attr_t *attr); +libc_hidden_proto (__pthread_get_minstack) + +/* Namespace save aliases. */ +extern int __pthread_getschedparam (pthread_t thread_id, int *policy, + struct sched_param *param); +extern int __pthread_setschedparam (pthread_t thread_id, int policy, + const struct sched_param *param); +extern int __pthread_mutex_init (pthread_mutex_t *__mutex, + const pthread_mutexattr_t *__mutexattr); +libc_hidden_proto (__pthread_mutex_init) +extern int __pthread_mutex_destroy (pthread_mutex_t *__mutex); +libc_hidden_proto (__pthread_mutex_destroy) +extern int __pthread_mutex_trylock (pthread_mutex_t *_mutex); +libc_hidden_proto (__pthread_mutex_trylock) +extern int __pthread_mutex_lock (pthread_mutex_t *__mutex); +libc_hidden_proto (__pthread_mutex_lock) +extern int __pthread_mutex_timedlock (pthread_mutex_t *__mutex, + const struct timespec *__abstime); +extern int __pthread_mutex_cond_lock (pthread_mutex_t *__mutex) + attribute_hidden; +extern void __pthread_mutex_cond_lock_adjust (pthread_mutex_t *__mutex) + attribute_hidden; +extern int __pthread_mutex_unlock (pthread_mutex_t *__mutex); +libc_hidden_proto (__pthread_mutex_unlock) +extern int __pthread_mutex_unlock_usercnt (pthread_mutex_t *__mutex, + int __decr); +libc_hidden_proto (__pthread_mutex_unlock_usercnt) +extern int __pthread_mutexattr_init (pthread_mutexattr_t *attr); +libc_hidden_proto (__pthread_mutexattr_init) +extern int __pthread_mutexattr_destroy (pthread_mutexattr_t *attr); +extern int __pthread_mutexattr_settype (pthread_mutexattr_t *attr, int kind); +libc_hidden_proto (__pthread_mutexattr_settype) +extern int __pthread_attr_destroy (pthread_attr_t *attr); +libc_hidden_proto (__pthread_attr_destroy) +extern int __pthread_attr_getdetachstate (const pthread_attr_t *attr, + int *detachstate); +extern int __pthread_attr_setdetachstate (pthread_attr_t *attr, + int detachstate); +extern int __pthread_attr_getinheritsched (const pthread_attr_t *attr, + int *inherit); +extern int __pthread_attr_setinheritsched (pthread_attr_t *attr, int inherit); +extern int __pthread_attr_getschedparam (const pthread_attr_t *attr, + struct sched_param *param); +extern int __pthread_attr_setschedparam (pthread_attr_t *attr, + const struct sched_param *param); +extern int __pthread_attr_getschedpolicy (const pthread_attr_t *attr, + int *policy); +extern int __pthread_attr_setschedpolicy (pthread_attr_t *attr, int policy); +extern int __pthread_attr_getscope (const pthread_attr_t *attr, int *scope); +extern int __pthread_attr_setscope (pthread_attr_t *attr, int scope); +extern int __pthread_attr_getstackaddr (const pthread_attr_t *__restrict + __attr, void **__restrict __stackaddr); +extern int __pthread_attr_setstackaddr (pthread_attr_t *__attr, + void *__stackaddr); +extern int __pthread_attr_getstacksize (const pthread_attr_t *__restrict + __attr, + size_t *__restrict __stacksize); +extern int __pthread_attr_setstacksize (pthread_attr_t *__attr, + size_t __stacksize); +extern int __pthread_attr_getstack (const pthread_attr_t *__restrict __attr, + void **__restrict __stackaddr, + size_t *__restrict __stacksize); +extern int __pthread_attr_setstack (pthread_attr_t *__attr, void *__stackaddr, + size_t __stacksize); +int __pthread_attr_setaffinity_np (pthread_attr_t *, size_t, const cpu_set_t *); +libc_hidden_proto (__pthread_attr_setaffinity_np) +extern __typeof (pthread_getattr_default_np) __pthread_getattr_default_np; +libc_hidden_proto (__pthread_getattr_default_np) +extern int __pthread_rwlock_init (pthread_rwlock_t *__restrict __rwlock, + const pthread_rwlockattr_t *__restrict + __attr); +extern int __pthread_rwlock_destroy (pthread_rwlock_t *__rwlock); +extern int __pthread_rwlock_rdlock (pthread_rwlock_t *__rwlock); +libc_hidden_proto (__pthread_rwlock_rdlock) +extern int __pthread_rwlock_tryrdlock (pthread_rwlock_t *__rwlock); +extern int __pthread_rwlock_wrlock (pthread_rwlock_t *__rwlock); +libc_hidden_proto (__pthread_rwlock_wrlock) +extern int __pthread_rwlock_trywrlock (pthread_rwlock_t *__rwlock); +extern int __pthread_rwlock_unlock (pthread_rwlock_t *__rwlock); +extern int __pthread_cond_broadcast (pthread_cond_t *cond); +libc_hidden_proto (__pthread_cond_broadcast) +extern int __pthread_cond_destroy (pthread_cond_t *cond); +libc_hidden_proto (__pthread_cond_destroy) +extern int __pthread_cond_init (pthread_cond_t *cond, + const pthread_condattr_t *cond_attr); +libc_hidden_proto (__pthread_cond_init) +extern int __pthread_cond_signal (pthread_cond_t *cond); +libc_hidden_proto (__pthread_cond_signal) +extern int __pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex); +libc_hidden_proto (__pthread_cond_wait) + +#if __TIMESIZE == 64 +# define __pthread_clockjoin_np64 __pthread_clockjoin_np +# define __pthread_timedjoin_np64 __pthread_timedjoin_np +# define __pthread_cond_timedwait64 __pthread_cond_timedwait +# define __pthread_cond_clockwait64 __pthread_cond_clockwait +# define __pthread_rwlock_clockrdlock64 __pthread_rwlock_clockrdlock +# define __pthread_rwlock_clockwrlock64 __pthread_rwlock_clockwrlock +# define __pthread_rwlock_timedrdlock64 __pthread_rwlock_timedrdlock +# define __pthread_rwlock_timedwrlock64 __pthread_rwlock_timedwrlock +# define __pthread_mutex_clocklock64 __pthread_mutex_clocklock +# define __pthread_mutex_timedlock64 __pthread_mutex_timedlock +#else +extern int __pthread_clockjoin_np64 (pthread_t threadid, void **thread_return, + clockid_t clockid, + const struct __timespec64 *abstime); +libc_hidden_proto (__pthread_clockjoin_np64) +extern int __pthread_timedjoin_np64 (pthread_t threadid, void **thread_return, + const struct __timespec64 *abstime); +libc_hidden_proto (__pthread_timedjoin_np64) +extern int __pthread_cond_timedwait64 (pthread_cond_t *cond, + pthread_mutex_t *mutex, + const struct __timespec64 *abstime); +libc_hidden_proto (__pthread_cond_timedwait64) +extern int __pthread_cond_clockwait64 (pthread_cond_t *cond, + pthread_mutex_t *mutex, + clockid_t clockid, + const struct __timespec64 *abstime); +libc_hidden_proto (__pthread_cond_clockwait64) +extern int __pthread_rwlock_clockrdlock64 (pthread_rwlock_t *rwlock, + clockid_t clockid, + const struct __timespec64 *abstime); +libc_hidden_proto (__pthread_rwlock_clockrdlock64) +extern int __pthread_rwlock_clockwrlock64 (pthread_rwlock_t *rwlock, + clockid_t clockid, + const struct __timespec64 *abstime); +libc_hidden_proto (__pthread_rwlock_clockwrlock64) +extern int __pthread_rwlock_timedrdlock64 (pthread_rwlock_t *rwlock, + const struct __timespec64 *abstime); +libc_hidden_proto (__pthread_rwlock_timedrdlock64) +extern int __pthread_rwlock_timedwrlock64 (pthread_rwlock_t *rwlock, + const struct __timespec64 *abstime); +libc_hidden_proto (__pthread_rwlock_timedwrlock64) +extern int __pthread_mutex_clocklock64 (pthread_mutex_t *mutex, + clockid_t clockid, + const struct __timespec64 *abstime); +libc_hidden_proto (__pthread_mutex_clocklock64) +extern int __pthread_mutex_timedlock64 (pthread_mutex_t *mutex, + const struct __timespec64 *abstime); +libc_hidden_proto (__pthread_mutex_timedlock64) +#endif + +extern int __pthread_cond_timedwait (pthread_cond_t *cond, + pthread_mutex_t *mutex, + const struct timespec *abstime); +libc_hidden_proto (__pthread_cond_timedwait) +extern int __pthread_cond_clockwait (pthread_cond_t *cond, + pthread_mutex_t *mutex, + clockid_t clockid, + const struct timespec *abstime) + __nonnull ((1, 2, 4)); +libc_hidden_proto (__pthread_cond_clockwait) + +extern int __pthread_mutex_clocklock (pthread_mutex_t *mutex, + clockid_t clockid, + const struct timespec *abstime); +libc_hidden_proto (__pthread_mutex_clocklock) +extern int __pthread_mutex_timedlock (pthread_mutex_t *mutex, + const struct timespec *abstime); +libc_hidden_proto (__pthread_mutex_timedlock) + +extern int __pthread_condattr_destroy (pthread_condattr_t *attr); +extern int __pthread_condattr_init (pthread_condattr_t *attr); +extern int __pthread_key_create (pthread_key_t *key, void (*destr) (void *)); +libc_hidden_proto (__pthread_key_create) +extern int __pthread_key_delete (pthread_key_t key); +libc_hidden_proto (__pthread_key_delete) +extern void *__pthread_getspecific (pthread_key_t key); +libc_hidden_proto (__pthread_getspecific) +extern int __pthread_setspecific (pthread_key_t key, const void *value); +libc_hidden_proto (__pthread_setspecific) +extern int __pthread_once (pthread_once_t *once_control, + void (*init_routine) (void)); +libc_hidden_proto (__pthread_once) +extern int __pthread_atfork (void (*prepare) (void), void (*parent) (void), + void (*child) (void)); +libc_hidden_proto (__pthread_self) +extern int __pthread_equal (pthread_t thread1, pthread_t thread2); +extern int __pthread_detach (pthread_t th); +libc_hidden_proto (__pthread_detach) +extern int __pthread_kill (pthread_t threadid, int signo); +libc_hidden_proto (__pthread_kill) +extern int __pthread_cancel (pthread_t th); +extern int __pthread_kill_internal (pthread_t threadid, int signo) + attribute_hidden; +extern void __pthread_exit (void *value) __attribute__ ((__noreturn__)); +libc_hidden_proto (__pthread_exit) +extern int __pthread_join (pthread_t threadid, void **thread_return); +libc_hidden_proto (__pthread_join) +extern int __pthread_setcanceltype (int type, int *oldtype); +libc_hidden_proto (__pthread_setcanceltype) +extern void __pthread_testcancel (void); +libc_hidden_proto (__pthread_testcancel) +extern int __pthread_clockjoin_ex (pthread_t, void **, clockid_t, + const struct __timespec64 *, bool) + attribute_hidden; +extern int __pthread_sigmask (int, const sigset_t *, sigset_t *); +libc_hidden_proto (__pthread_sigmask); + + +#if IS_IN (libpthread) +hidden_proto (__pthread_rwlock_unlock) +#endif + +extern int __pthread_cond_broadcast_2_0 (pthread_cond_2_0_t *cond); +extern int __pthread_cond_destroy_2_0 (pthread_cond_2_0_t *cond); +extern int __pthread_cond_init_2_0 (pthread_cond_2_0_t *cond, + const pthread_condattr_t *cond_attr); +extern int __pthread_cond_signal_2_0 (pthread_cond_2_0_t *cond); +extern int __pthread_cond_timedwait_2_0 (pthread_cond_2_0_t *cond, + pthread_mutex_t *mutex, + const struct timespec *abstime); +extern int __pthread_cond_wait_2_0 (pthread_cond_2_0_t *cond, + pthread_mutex_t *mutex); + +extern int __pthread_getaffinity_np (pthread_t th, size_t cpusetsize, + cpu_set_t *cpuset); +libc_hidden_proto (__pthread_getaffinity_np) + +/* Special internal version of pthread_attr_setsigmask_np which does + not filter out internal signals from *SIGMASK. This can be used to + launch threads with internal signals blocked. */ + extern int __pthread_attr_setsigmask_internal (pthread_attr_t *attr, + const sigset_t *sigmask); +libc_hidden_proto (__pthread_attr_setsigmask_internal) + +extern __typeof (pthread_attr_getsigmask_np) __pthread_attr_getsigmask_np; +libc_hidden_proto (__pthread_attr_getsigmask_np) + +/* Special versions which use non-exported functions. */ +extern void __pthread_cleanup_push (struct _pthread_cleanup_buffer *buffer, + void (*routine) (void *), void *arg); +libc_hidden_proto (__pthread_cleanup_push) + +/* Replace cleanup macros defined in <pthread.h> with internal + versions that don't depend on unwind info and better support + cancellation. */ +# undef pthread_cleanup_push +# define pthread_cleanup_push(routine,arg) \ + { struct _pthread_cleanup_buffer _buffer; \ + __pthread_cleanup_push (&_buffer, (routine), (arg)); + +extern void __pthread_cleanup_pop (struct _pthread_cleanup_buffer *buffer, + int execute); +libc_hidden_proto (__pthread_cleanup_pop) +# undef pthread_cleanup_pop +# define pthread_cleanup_pop(execute) \ + __pthread_cleanup_pop (&_buffer, (execute)); } + +#if defined __EXCEPTIONS && !defined __cplusplus +/* Structure to hold the cleanup handler information. */ +struct __pthread_cleanup_combined_frame +{ + void (*__cancel_routine) (void *); + void *__cancel_arg; + int __do_it; + struct _pthread_cleanup_buffer __buffer; +}; + +/* Special cleanup macros which register cleanup both using + __pthread_cleanup_{push,pop} and using cleanup attribute. This is needed + for pthread_once, so that it supports both throwing exceptions from the + pthread_once callback (only cleanup attribute works there) and cancellation + of the thread running the callback if the callback or some routines it + calls don't have unwind information. */ + +static __always_inline void +__pthread_cleanup_combined_routine (struct __pthread_cleanup_combined_frame + *__frame) +{ + if (__frame->__do_it) + { + __frame->__cancel_routine (__frame->__cancel_arg); + __frame->__do_it = 0; + __pthread_cleanup_pop (&__frame->__buffer, 0); + } +} + +static inline void +__pthread_cleanup_combined_routine_voidptr (void *__arg) +{ + struct __pthread_cleanup_combined_frame *__frame + = (struct __pthread_cleanup_combined_frame *) __arg; + if (__frame->__do_it) + { + __frame->__cancel_routine (__frame->__cancel_arg); + __frame->__do_it = 0; + } +} + +# define pthread_cleanup_combined_push(routine, arg) \ + do { \ + void (*__cancel_routine) (void *) = (routine); \ + struct __pthread_cleanup_combined_frame __clframe \ + __attribute__ ((__cleanup__ (__pthread_cleanup_combined_routine))) \ + = { .__cancel_routine = __cancel_routine, .__cancel_arg = (arg), \ + .__do_it = 1 }; \ + __pthread_cleanup_push (&__clframe.__buffer, \ + __pthread_cleanup_combined_routine_voidptr, \ + &__clframe); + +# define pthread_cleanup_combined_pop(execute) \ + __pthread_cleanup_pop (&__clframe.__buffer, 0); \ + __clframe.__do_it = 0; \ + if (execute) \ + __cancel_routine (__clframe.__cancel_arg); \ + } while (0) + +#endif /* __EXCEPTIONS && !defined __cplusplus */ + +extern void __pthread_cleanup_push_defer (struct _pthread_cleanup_buffer *buffer, + void (*routine) (void *), void *arg); +extern void __pthread_cleanup_pop_restore (struct _pthread_cleanup_buffer *buffer, + int execute); + +/* Old cleanup interfaces, still used in libc.so. */ +extern void _pthread_cleanup_push (struct _pthread_cleanup_buffer *buffer, + void (*routine) (void *), void *arg); +extern void _pthread_cleanup_pop (struct _pthread_cleanup_buffer *buffer, + int execute); +extern void _pthread_cleanup_push_defer (struct _pthread_cleanup_buffer *buffer, + void (*routine) (void *), void *arg); +extern void _pthread_cleanup_pop_restore (struct _pthread_cleanup_buffer *buffer, + int execute); + +extern void __nptl_deallocate_tsd (void); +libc_hidden_proto (__nptl_deallocate_tsd) + +void __nptl_setxid_sighandler (int sig, siginfo_t *si, void *ctx); +libc_hidden_proto (__nptl_setxid_sighandler) +extern int __nptl_setxid (struct xid_command *cmdp) attribute_hidden; + +extern void __wait_lookup_done (void) attribute_hidden; + +/* Allocates the extension space for ATTR. Returns an error code on + memory allocation failure, zero on success. If ATTR already has an + extension space, this function does nothing. */ +int __pthread_attr_extension (struct pthread_attr *attr) attribute_hidden + __attribute_warn_unused_result__; + +#ifdef SHARED +# define PTHREAD_STATIC_FN_REQUIRE(name) +#else +# define PTHREAD_STATIC_FN_REQUIRE(name) __asm (".globl " #name); +#endif + +/* Make a deep copy of the attribute *SOURCE in *TARGET. *TARGET is + not assumed to have been initialized. Returns 0 on success, or a + positive error code otherwise. */ +int __pthread_attr_copy (pthread_attr_t *target, const pthread_attr_t *source); +libc_hidden_proto (__pthread_attr_copy) + +/* Returns 0 if POL is a valid scheduling policy. */ +static inline int +check_sched_policy_attr (int pol) +{ + if (pol == SCHED_OTHER || pol == SCHED_FIFO || pol == SCHED_RR) + return 0; + + return EINVAL; +} + +/* Returns 0 if PR is within the accepted range of priority values for + the scheduling policy POL or EINVAL otherwise. */ +static inline int +check_sched_priority_attr (int pr, int pol) +{ + int min = __sched_get_priority_min (pol); + int max = __sched_get_priority_max (pol); + + if (min >= 0 && max >= 0 && pr >= min && pr <= max) + return 0; + + return EINVAL; +} + +/* Returns 0 if ST is a valid stack size for a thread stack and EINVAL + otherwise. */ +static inline int +check_stacksize_attr (size_t st) +{ + if (st >= PTHREAD_STACK_MIN) + return 0; + + return EINVAL; +} + +#define ASSERT_TYPE_SIZE(type, size) \ + _Static_assert (sizeof (type) == size, \ + "sizeof (" #type ") != " #size) + +#define ASSERT_PTHREAD_INTERNAL_SIZE(type, internal) \ + _Static_assert (sizeof ((type) { { 0 } }).__size >= sizeof (internal),\ + "sizeof (" #type ".__size) < sizeof (" #internal ")") + +#define ASSERT_PTHREAD_STRING(x) __STRING (x) +#define ASSERT_PTHREAD_INTERNAL_OFFSET(type, member, offset) \ + _Static_assert (offsetof (type, member) == offset, \ + "offset of " #member " field of " #type " != " \ + ASSERT_PTHREAD_STRING (offset)) +#define ASSERT_PTHREAD_INTERNAL_MEMBER_SIZE(type, member, mtype) \ + _Static_assert (sizeof (((type) { 0 }).member) != 8, \ + "sizeof (" #type "." #member ") != sizeof (" #mtype "))") + +#endif /* pthreadP.h */ diff --git a/sysdeps/nptl/pthread_early_init.h b/sysdeps/nptl/pthread_early_init.h index 5b49ce39c2..89774c1477 100644 --- a/sysdeps/nptl/pthread_early_init.h +++ b/sysdeps/nptl/pthread_early_init.h @@ -20,7 +20,7 @@ #define _PTHREAD_EARLY_INIT_H 1 #include <nptl/nptl-stack.h> -#include <nptl/pthreadP.h> +#include <pthreadP.h> #include <pthread_mutex_conf.h> #include <sys/resource.h> diff --git a/sysdeps/nptl/setxid.h b/sysdeps/nptl/setxid.h index 8b49d11550..e90367bf02 100644 --- a/sysdeps/nptl/setxid.h +++ b/sysdeps/nptl/setxid.h @@ -15,7 +15,7 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ -#include <nptl/pthreadP.h> +#include <pthreadP.h> #include <sys/single_threaded.h> #include <sysdep.h> diff --git a/sysdeps/posix/spawni.c b/sysdeps/posix/spawni.c index a649788668..fe3b5bb7f6 100644 --- a/sysdeps/posix/spawni.c +++ b/sysdeps/posix/spawni.c @@ -28,7 +28,7 @@ #include <not-cancel.h> #include <local-setxid.h> #include <shlib-compat.h> -#include <nptl/pthreadP.h> +#include <pthreadP.h> #include <dl-sysdep.h> #include <libc-pointer-arith.h> #include <ldsodefs.h> diff --git a/sysdeps/unix/sysv/linux/dl-execstack.c b/sysdeps/unix/sysv/linux/dl-execstack.c index e2449d1890..6598c90357 100644 --- a/sysdeps/unix/sysv/linux/dl-execstack.c +++ b/sysdeps/unix/sysv/linux/dl-execstack.c @@ -20,7 +20,7 @@ #include <ldsodefs.h> #include <libintl.h> #include <list.h> -#include <nptl/pthreadP.h> +#include <pthreadP.h> #include <stackinfo.h> #include <stdbool.h> #include <sys/mman.h> diff --git a/sysdeps/unix/sysv/linux/mq_notify.c b/sysdeps/unix/sysv/linux/mq_notify.c index 6f46d29d1d..e22850a910 100644 --- a/sysdeps/unix/sysv/linux/mq_notify.c +++ b/sysdeps/unix/sysv/linux/mq_notify.c @@ -28,7 +28,7 @@ #include <unistd.h> #include <sys/socket.h> #include <not-cancel.h> -#include <nptl/pthreadP.h> +#include <pthreadP.h> /* Defined in the kernel headers: */ diff --git a/sysdeps/unix/sysv/linux/s390/jmp-unwind.c b/sysdeps/unix/sysv/linux/s390/jmp-unwind.c index 8e0399a3e9..5fbca71f5b 100644 --- a/sysdeps/unix/sysv/linux/s390/jmp-unwind.c +++ b/sysdeps/unix/sysv/linux/s390/jmp-unwind.c @@ -19,7 +19,7 @@ #include <setjmp.h> #include <stddef.h> #include <libc-lock.h> -#include <nptl/pthreadP.h> +#include <pthreadP.h> void _longjmp_unwind (jmp_buf env, int val) diff --git a/sysdeps/unix/sysv/linux/sigprocmask.c b/sysdeps/unix/sysv/linux/sigprocmask.c index 9dfd8076d1..eeec05d037 100644 --- a/sysdeps/unix/sysv/linux/sigprocmask.c +++ b/sysdeps/unix/sysv/linux/sigprocmask.c @@ -16,7 +16,7 @@ <https://www.gnu.org/licenses/>. */ #include <signal.h> -#include <nptl/pthreadP.h> /* SIGCANCEL, SIGSETXID */ +#include <pthreadP.h> /* SIGCANCEL, SIGSETXID */ /* Get and/or change the set of blocked signals. */ int diff --git a/sysdeps/unix/sysv/linux/spawni.c b/sysdeps/unix/sysv/linux/spawni.c index 501f8fbccd..3b435e6c86 100644 --- a/sysdeps/unix/sysv/linux/spawni.c +++ b/sysdeps/unix/sysv/linux/spawni.c @@ -27,7 +27,7 @@ #include <not-cancel.h> #include <local-setxid.h> #include <shlib-compat.h> -#include <nptl/pthreadP.h> +#include <pthreadP.h> #include <dl-sysdep.h> #include <libc-pointer-arith.h> #include <ldsodefs.h> diff --git a/sysdeps/unix/sysv/linux/timer_create.c b/sysdeps/unix/sysv/linux/timer_create.c index 37de98fde4..1ea0086487 100644 --- a/sysdeps/unix/sysv/linux/timer_create.c +++ b/sysdeps/unix/sysv/linux/timer_create.c @@ -24,7 +24,7 @@ #include <time.h> #include <sysdep.h> #include <internaltypes.h> -#include <nptl/pthreadP.h> +#include <pthreadP.h> #include "kernel-posix-timers.h" #include "kernel-posix-cpu-timers.h" diff --git a/sysdeps/unix/sysv/linux/timer_routines.c b/sysdeps/unix/sysv/linux/timer_routines.c index 60e60e0098..4098da8a5f 100644 --- a/sysdeps/unix/sysv/linux/timer_routines.c +++ b/sysdeps/unix/sysv/linux/timer_routines.c @@ -21,7 +21,7 @@ #include <signal.h> #include <stdbool.h> #include <sysdep-cancel.h> -#include <nptl/pthreadP.h> +#include <pthreadP.h> #include "kernel-posix-timers.h" diff --git a/sysdeps/unix/sysv/linux/tls-internal.h b/sysdeps/unix/sysv/linux/tls-internal.h index 40798a5dcc..17128136dd 100644 --- a/sysdeps/unix/sysv/linux/tls-internal.h +++ b/sysdeps/unix/sysv/linux/tls-internal.h @@ -20,7 +20,7 @@ #define _TLS_INTERNAL_H 1 #include <stdlib.h> -#include <nptl/pthreadP.h> +#include <pthreadP.h> static inline struct tls_internal_t * __glibc_tls_internal (void) diff --git a/sysdeps/unix/sysv/linux/x86/longjmp.c b/sysdeps/unix/sysv/linux/x86/longjmp.c index 1cc8b8dfad..25e2af7685 100644 --- a/sysdeps/unix/sysv/linux/x86/longjmp.c +++ b/sysdeps/unix/sysv/linux/x86/longjmp.c @@ -18,7 +18,7 @@ #include <sysdeps/x86/longjmp.c> -#include <nptl/pthreadP.h> +#include <pthreadP.h> #include <jmp_buf-ssp.h> #ifdef __x86_64__ |