diff options
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/Makefile | 10 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h | 25 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/elision-conf.c | 82 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/elision-conf.h | 44 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/elision-lock.c | 119 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/elision-timed.c | 26 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/elision-trylock.c | 94 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/elision-unlock.c | 38 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/force-elision.h | 33 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h | 27 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/pthread_mutex_cond_lock.c | 22 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/pthread_mutex_lock.c | 22 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/pthread_mutex_timedlock.c | 22 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/pthread_mutex_trylock.c | 22 |
14 files changed, 584 insertions, 2 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/Makefile b/nptl/sysdeps/unix/sysv/linux/s390/Makefile new file mode 100644 index 0000000000..269832f999 --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/s390/Makefile @@ -0,0 +1,10 @@ +ifeq ($(enable-lock-elision),yes) +libpthread-sysdep_routines += elision-lock elision-unlock elision-timed \ + elision-trylock + +elision-CFLAGS = -mhtm +CFLAGS-elision-lock.c = $(elision-CFLAGS) +CFLAGS-elision-timed.c = $(elision-CFLAGS) +CFLAGS-elision-trylock.c = $(elision-CFLAGS) +CFLAGS-elision-unlock.c = $(elision-CFLAGS) +endif diff --git a/nptl/sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h index 8264de0591..d70f8b35b1 100644 --- a/nptl/sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h +++ b/nptl/sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h @@ -89,14 +89,37 @@ typedef union binary compatibility. */ int __kind; #if __WORDSIZE == 64 +# ifdef ENABLE_LOCK_ELISION + short __spins; + short __elision; + /* Mutex __spins initializer used by PTHREAD_MUTEX_INITIALIZER. */ +# define __PTHREAD_SPINS 0, 0 +# else int __spins; + /* Mutex __spins initializer used by PTHREAD_MUTEX_INITIALIZER. */ +# define __PTHREAD_SPINS 0 +# endif __pthread_list_t __list; # define __PTHREAD_MUTEX_HAVE_PREV 1 #else unsigned int __nusers; __extension__ union { +# ifdef ENABLE_LOCK_ELISION + struct + { + short __espins; + short __elision; + } _d; +# define __spins _d.__espins +# define __elision _d.__elision + /* Mutex __spins initializer used by PTHREAD_MUTEX_INITIALIZER. */ +# define __PTHREAD_SPINS { 0, 0 } +# else int __spins; + /* Mutex __spins initializer used by PTHREAD_MUTEX_INITIALIZER. */ +# define __PTHREAD_SPINS 0 +# endif __pthread_slist_t __list; }; #endif @@ -105,8 +128,6 @@ typedef union long int __align; } pthread_mutex_t; -/* Mutex __spins initializer used by PTHREAD_MUTEX_INITIALIZER. */ -#define __PTHREAD_SPINS 0 typedef union { diff --git a/nptl/sysdeps/unix/sysv/linux/s390/elision-conf.c b/nptl/sysdeps/unix/sysv/linux/s390/elision-conf.c new file mode 100644 index 0000000000..69c04836ed --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/s390/elision-conf.c @@ -0,0 +1,82 @@ +/* Lock elision tunable parameters. + Copyright (C) 2014 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 <config.h> +#include <pthreadP.h> +#include <elision-conf.h> +#include <unistd.h> +#include <dl-procinfo.h> + +/* Reasonable initial tuning values, may be revised in the future. + This is a conservative initial value. */ + +struct elision_config __elision_aconf = + { + /* How often to not attempt to use elision if a transaction aborted + because the lock is already acquired. Expressed in number of lock + acquisition attempts. */ + .skip_lock_busy = 3, + /* How often to not attempt to use elision if a transaction aborted due + to reasons other than other threads' memory accesses. Expressed in + number of lock acquisition attempts. */ + .skip_lock_internal_abort = 3, + /* How often to not attempt to use elision if a lock used up all retries + without success. Expressed in number of lock acquisition attempts. */ + .skip_lock_out_of_tbegin_retries = 3, + /* How often we try using elision if there is chance for the transaction + to finish execution (e.g., it wasn't aborted due to the lock being + already acquired. */ + .try_tbegin = 3, + /* Same as SKIP_LOCK_INTERNAL_ABORT but for trylock. */ + .skip_trylock_internal_abort = 3, + }; + +/* Force elision for all new locks. This is used to decide whether existing + DEFAULT locks should be automatically upgraded to elision in + pthread_mutex_lock(). Disabled for suid programs. Only used when elision + is available. */ + +int __pthread_force_elision attribute_hidden = 0; + +/* Initialize elison. */ + +static void +elision_init (int argc __attribute__ ((unused)), + char **argv __attribute__ ((unused)), + char **environ) +{ + /* Set when the CPU and the kernel supports transactional execution. + When false elision is never attempted. */ + int elision_available = (GLRO (dl_hwcap) & HWCAP_S390_TE) ? 1 : 0; + + __pthread_force_elision = __libc_enable_secure ? 0 : elision_available; +} + +#ifdef SHARED +# define INIT_SECTION ".init_array" +# define MAYBE_CONST +#else +# define INIT_SECTION ".preinit_array" +# define MAYBE_CONST const +#endif + +void (*MAYBE_CONST __pthread_init_array []) (int, char **, char **) + __attribute__ ((section (INIT_SECTION), aligned (sizeof (void *)))) = +{ + &elision_init +}; diff --git a/nptl/sysdeps/unix/sysv/linux/s390/elision-conf.h b/nptl/sysdeps/unix/sysv/linux/s390/elision-conf.h new file mode 100644 index 0000000000..d9e97947a0 --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/s390/elision-conf.h @@ -0,0 +1,44 @@ +/* Lock elision tunable parameters. + Copyright (C) 2014 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/>. */ +#ifdef ENABLE_LOCK_ELISION +#ifndef _ELISION_CONF_H +#define _ELISION_CONF_H 1 + +#include <pthread.h> +#include <time.h> + +/* Should make sure there is no false sharing on this. */ + +struct elision_config +{ + int skip_lock_busy; + int skip_lock_internal_abort; + int skip_lock_out_of_tbegin_retries; + int try_tbegin; + int skip_trylock_internal_abort; +}; + +extern struct elision_config __elision_aconf attribute_hidden; + +extern int __pthread_force_elision attribute_hidden; + +/* Tell the test suite to test elision for this architecture. */ +#define HAVE_ELISION 1 + +#endif +#endif diff --git a/nptl/sysdeps/unix/sysv/linux/s390/elision-lock.c b/nptl/sysdeps/unix/sysv/linux/s390/elision-lock.c new file mode 100644 index 0000000000..ba5338fbb9 --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/s390/elision-lock.c @@ -0,0 +1,119 @@ +/* Elided pthread mutex lock. + Copyright (C) 2014 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 <pthread.h> +#include <pthreadP.h> +#include <lowlevellock.h> +#include <htmintrin.h> +#include <elision-conf.h> +#include <stdint.h> + +#if !defined(LLL_LOCK) && !defined(EXTRAARG) +/* Make sure the configuration code is always linked in for static + libraries. */ +#include "elision-conf.c" +#endif + +#ifndef EXTRAARG +#define EXTRAARG +#endif +#ifndef LLL_LOCK +#define LLL_LOCK(a,b) lll_lock(a,b), 0 +#endif + +#define aconf __elision_aconf + +/* Adaptive lock using transactions. + By default the lock region is run as a transaction, and when it + aborts or the lock is busy the lock adapts itself. */ + +int +__lll_lock_elision (int *futex, short *adapt_count, EXTRAARG int private) +{ + if (*adapt_count > 0) + { + /* Lost updates are possible, but harmless. Due to races this might lead + to *adapt_count becoming less than zero. */ + (*adapt_count)--; + goto use_lock; + } + + __asm__ volatile (".machinemode \"zarch_nohighgprs\"\n\t" + ".machine \"all\"" + : : : "memory"); + + int try_tbegin; + for (try_tbegin = aconf.try_tbegin; + try_tbegin > 0; + try_tbegin--) + { + unsigned status; + if (__builtin_expect + ((status = __builtin_tbegin((void *)0)) == _HTM_TBEGIN_STARTED, 1)) + { + if (*futex == 0) + return 0; + /* Lock was busy. Fall back to normal locking. */ + if (__builtin_expect (__builtin_tx_nesting_depth (), 1)) + { + /* In a non-nested transaction there is no need to abort, + which is expensive. */ + __builtin_tend (); + if (aconf.skip_lock_busy > 0) + *adapt_count = aconf.skip_lock_busy; + goto use_lock; + } + else /* nesting depth is > 1 */ + { + /* A nested transaction will abort eventually because it + cannot make any progress before *futex changes back to 0. + So we may as well abort immediately. + This persistently aborts the outer transaction to force + the outer mutex use the default lock instead of retrying + with transactions until the try_tbegin of the outer mutex + is zero. + The adapt_count of this inner mutex is not changed, + because using the default lock with the inner mutex + would abort the outer transaction. + */ + __builtin_tabort (_HTM_FIRST_USER_ABORT_CODE | 1); + } + } + else + { + if (status != _HTM_TBEGIN_TRANSIENT) + { + /* A persistent abort (cc 1 or 3) indicates that a retry is + probably futile. Use the normal locking now and for the + next couple of calls. + Be careful to avoid writing to the lock. */ + if (aconf.skip_lock_internal_abort > 0) + *adapt_count = aconf.skip_lock_internal_abort; + goto use_lock; + } + } + } + + /* Same logic as above, but for for a number of temporary failures in a + row. */ + if (aconf.skip_lock_out_of_tbegin_retries > 0 && aconf.try_tbegin > 0) + *adapt_count = aconf.skip_lock_out_of_tbegin_retries; + + use_lock: + return LLL_LOCK ((*futex), private); +} diff --git a/nptl/sysdeps/unix/sysv/linux/s390/elision-timed.c b/nptl/sysdeps/unix/sysv/linux/s390/elision-timed.c new file mode 100644 index 0000000000..a8d8b2a348 --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/s390/elision-timed.c @@ -0,0 +1,26 @@ +/* Lock elision timed lock. + Copyright (C) 2014 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 <time.h> +#include <elision-conf.h> +#include <lowlevellock.h> +#define __lll_lock_elision __lll_timedlock_elision +#define EXTRAARG const struct timespec *t, +#undef LLL_LOCK +#define LLL_LOCK(a, b) lll_timedlock(a, t, b) +#include "elision-lock.c" diff --git a/nptl/sysdeps/unix/sysv/linux/s390/elision-trylock.c b/nptl/sysdeps/unix/sysv/linux/s390/elision-trylock.c new file mode 100644 index 0000000000..61447d6bf4 --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/s390/elision-trylock.c @@ -0,0 +1,94 @@ +/* Elided pthread mutex trylock. + Copyright (C) 2014 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 <pthread.h> +#include <pthreadP.h> +#include <lowlevellock.h> +#include <htmintrin.h> +#include <elision-conf.h> + +#define aconf __elision_aconf + +/* Try to elide a futex trylock. FUTEX is the futex variable. ADAPT_COUNT is + the adaptation counter in the mutex. */ + +int +__lll_trylock_elision (int *futex, short *adapt_count) +{ + __asm__ volatile (".machinemode \"zarch_nohighgprs\"\n\t" + ".machine \"all\"" + : : : "memory"); + + /* Implement POSIX semantics by forbiding nesting elided trylocks. + Sorry. After the abort the code is re-executed + non transactional and if the lock was already locked + return an error. */ + if (__builtin_tx_nesting_depth () > 0) + { + /* Note that this abort may terminate an outermost transaction that + was created outside glibc. + This persistently aborts the current transactions to force + them to use the default lock instead of retrying transactions + until their try_tbegin is zero. + */ + __builtin_tabort (_HTM_FIRST_USER_ABORT_CODE | 1); + } + + /* Only try a transaction if it's worth it. */ + if (*adapt_count <= 0) + { + unsigned status; + + if (__builtin_expect + ((status = __builtin_tbegin ((void *)0)) == _HTM_TBEGIN_STARTED, 1)) + { + if (*futex == 0) + return 0; + /* Lock was busy. Fall back to normal locking. */ + /* Since we are in a non-nested transaction there is no need to abort, + which is expensive. */ + __builtin_tend (); + /* Note: Changing the adapt_count here might abort a transaction on a + different cpu, but that could happen anyway when the futex is + acquired, so there's no need to check the nesting depth here. */ + if (aconf.skip_lock_busy > 0) + *adapt_count = aconf.skip_lock_busy; + } + else + { + if (status != _HTM_TBEGIN_TRANSIENT) + { + /* A persistent abort (cc 1 or 3) indicates that a retry is + probably futile. Use the normal locking now and for the + next couple of calls. + Be careful to avoid writing to the lock. */ + if (aconf.skip_trylock_internal_abort > 0) + *adapt_count = aconf.skip_trylock_internal_abort; + } + } + /* Could do some retries here. */ + } + else + { + /* Lost updates are possible, but harmless. Due to races this might lead + to *adapt_count becoming less than zero. */ + (*adapt_count)--; + } + + return lll_trylock (*futex); +} diff --git a/nptl/sysdeps/unix/sysv/linux/s390/elision-unlock.c b/nptl/sysdeps/unix/sysv/linux/s390/elision-unlock.c new file mode 100644 index 0000000000..9ceae3ee1e --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/s390/elision-unlock.c @@ -0,0 +1,38 @@ +/* Commit an elided pthread lock. + Copyright (C) 2014 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 <pthreadP.h> +#include <lowlevellock.h> + +int +__lll_unlock_elision(int *futex, int private) +{ + /* If the lock is free, we elided the lock earlier. This does not + necessarily mean that we are in a transaction, because the user code may + have closed the transaction, but that is impossible to detect reliably. */ + if (*futex == 0) + { + __asm__ volatile (".machinemode \"zarch_nohighgprs\"\n\t" + ".machine \"all\"" + : : : "memory"); + __builtin_tend(); + } + else + lll_unlock ((*futex), private); + return 0; +} diff --git a/nptl/sysdeps/unix/sysv/linux/s390/force-elision.h b/nptl/sysdeps/unix/sysv/linux/s390/force-elision.h new file mode 100644 index 0000000000..8fd7684d9a --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/s390/force-elision.h @@ -0,0 +1,33 @@ +/* Automatic enabling of elision for mutexes + Copyright (C) 2014 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/>. */ + +#ifdef ENABLE_LOCK_ELISION +/* Check for elision on this lock without upgrading. */ +#define DO_ELISION(m) \ + (__pthread_force_elision \ + && (m->__data.__kind & PTHREAD_MUTEX_NO_ELISION_NP) == 0) \ + +/* Automatically enable elision for existing user lock kinds. */ +#define FORCE_ELISION(m, s) \ + if (__pthread_force_elision \ + && (m->__data.__kind & PTHREAD_MUTEX_ELISION_FLAGS_NP) == 0) \ + { \ + mutex->__data.__kind |= PTHREAD_MUTEX_ELISION_NP; \ + s; \ + } +#endif diff --git a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h index 864dcbccc0..cabff30be9 100644 --- a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h @@ -285,6 +285,15 @@ __lll_timedlock (int *futex, const struct timespec *abstime, int private) #define lll_timedlock(futex, abstime, private) \ __lll_timedlock (&(futex), abstime, private) +#ifdef ENABLE_LOCK_ELISION +extern int __lll_timedlock_elision + (int *futex, short *adapt_count, const struct timespec *timeout, int private) + attribute_hidden; + +# define lll_timedlock_elision(futex, adapt_count, timeout, private) \ + __lll_timedlock_elision(&(futex), &(adapt_count), timeout, private) +#endif + static inline int __attribute__ ((always_inline)) __lll_robust_timedlock (int *futex, const struct timespec *abstime, @@ -360,4 +369,22 @@ extern int __lll_timedwait_tid (int *, const struct timespec *) __res; \ }) +#ifdef ENABLE_LOCK_ELISION +extern int __lll_lock_elision (int *futex, short *adapt_count, int private) + attribute_hidden; + +extern int __lll_unlock_elision(int *futex, int private) + attribute_hidden; + +extern int __lll_trylock_elision(int *futex, short *adapt_count) + attribute_hidden; + +# define lll_lock_elision(futex, adapt_count, private) \ + __lll_lock_elision (&(futex), &(adapt_count), private) +# define lll_unlock_elision(futex, private) \ + __lll_unlock_elision (&(futex), private) +# define lll_trylock_elision(futex, adapt_count) \ + __lll_trylock_elision(&(futex), &(adapt_count)) +#endif + #endif /* lowlevellock.h */ diff --git a/nptl/sysdeps/unix/sysv/linux/s390/pthread_mutex_cond_lock.c b/nptl/sysdeps/unix/sysv/linux/s390/pthread_mutex_cond_lock.c new file mode 100644 index 0000000000..6fc0f969ef --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/s390/pthread_mutex_cond_lock.c @@ -0,0 +1,22 @@ +/* Copyright (C) 2014 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/>. */ + +/* The cond lock is not actually elided yet, but we still need to handle + already elided locks. */ +#include <elision-conf.h> + +#include <nptl/sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c> diff --git a/nptl/sysdeps/unix/sysv/linux/s390/pthread_mutex_lock.c b/nptl/sysdeps/unix/sysv/linux/s390/pthread_mutex_lock.c new file mode 100644 index 0000000000..6fd6a9866f --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/s390/pthread_mutex_lock.c @@ -0,0 +1,22 @@ +/* Elided version of pthread_mutex_lock. + Copyright (C) 2014 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 <elision-conf.h> +#include <force-elision.h> + +#include <nptl/pthread_mutex_lock.c> diff --git a/nptl/sysdeps/unix/sysv/linux/s390/pthread_mutex_timedlock.c b/nptl/sysdeps/unix/sysv/linux/s390/pthread_mutex_timedlock.c new file mode 100644 index 0000000000..d0e6537ecc --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/s390/pthread_mutex_timedlock.c @@ -0,0 +1,22 @@ +/* Elided version of pthread_mutex_timedlock. + Copyright (C) 2014 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 <elision-conf.h> +#include <force-elision.h> + +#include <nptl/pthread_mutex_timedlock.c> diff --git a/nptl/sysdeps/unix/sysv/linux/s390/pthread_mutex_trylock.c b/nptl/sysdeps/unix/sysv/linux/s390/pthread_mutex_trylock.c new file mode 100644 index 0000000000..ea8a8fff93 --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/s390/pthread_mutex_trylock.c @@ -0,0 +1,22 @@ +/* Elided version of pthread_mutex_trylock. + Copyright (C) 2014 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 <elision-conf.h> +#include <force-elision.h> + +#include <nptl/pthread_mutex_trylock.c> |