diff options
Diffstat (limited to 'lib/libc/glibc/sysdeps/nptl/pthread.h')
| -rw-r--r-- | lib/libc/glibc/sysdeps/nptl/pthread.h | 77 |
1 files changed, 26 insertions, 51 deletions
diff --git a/lib/libc/glibc/sysdeps/nptl/pthread.h b/lib/libc/glibc/sysdeps/nptl/pthread.h index a767d6f180..44dd707896 100644 --- a/lib/libc/glibc/sysdeps/nptl/pthread.h +++ b/lib/libc/glibc/sysdeps/nptl/pthread.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2002-2019 Free Software Foundation, Inc. +/* Copyright (C) 2002-2020 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 @@ -13,16 +13,16 @@ 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/>. */ + <https://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/endian.h> #include <bits/pthreadtypes.h> #include <bits/setjmp.h> #include <bits/wordsize.h> @@ -83,30 +83,15 @@ enum #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 +#define PTHREAD_MUTEX_INITIALIZER \ + { { __PTHREAD_MUTEX_INITIALIZER (PTHREAD_MUTEX_TIMED_NP) } } +#ifdef __USE_GNU +# define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \ + { { __PTHREAD_MUTEX_INITIALIZER (PTHREAD_MUTEX_RECURSIVE_NP) } } +# define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP \ + { { __PTHREAD_MUTEX_INITIALIZER (PTHREAD_MUTEX_ERRORCHECK_NP) } } +# define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP \ + { { __PTHREAD_MUTEX_INITIALIZER (PTHREAD_MUTEX_ADAPTIVE_NP) } } #endif @@ -120,34 +105,13 @@ enum 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 } } + { { __PTHREAD_RWLOCK_INITIALIZER (PTHREAD_RWLOCK_DEFAULT_NP) } } # 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 +# define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \ + { { __PTHREAD_RWLOCK_INITIALIZER (PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP) } } # endif #endif /* Unix98 or XOpen2K */ @@ -263,6 +227,17 @@ extern int pthread_tryjoin_np (pthread_t __th, void **__thread_return) __THROW; __THROW. */ extern int pthread_timedjoin_np (pthread_t __th, void **__thread_return, const struct timespec *__abstime); + +/* Make calling thread wait for termination of the thread TH, but only + until TIMEOUT measured against the clock specified by CLOCKID. 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_clockjoin_np (pthread_t __th, void **__thread_return, + clockid_t __clockid, + const struct timespec *__abstime); #endif /* Indicate that the thread TH is never to be joined with PTHREAD_JOIN. |