diff options
Diffstat (limited to 'sysdeps/sparc/nptl')
| -rw-r--r-- | sysdeps/sparc/nptl/sem_init.c | 92 | ||||
| -rw-r--r-- | sysdeps/sparc/nptl/sem_post.c | 70 | ||||
| -rw-r--r-- | sysdeps/sparc/nptl/sem_timedwait.c | 116 | ||||
| -rw-r--r-- | sysdeps/sparc/nptl/sem_wait.c | 122 |
4 files changed, 0 insertions, 400 deletions
diff --git a/sysdeps/sparc/nptl/sem_init.c b/sysdeps/sparc/nptl/sem_init.c deleted file mode 100644 index 36602007b4..0000000000 --- a/sysdeps/sparc/nptl/sem_init.c +++ /dev/null @@ -1,92 +0,0 @@ -/* Copyright (C) 2002-2015 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 - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <string.h> -#include <semaphore.h> -#include <lowlevellock.h> -#include <shlib-compat.h> -#include "semaphoreP.h" -#include <kernel-features.h> -#include <sparc-nptl.h> - -int -__new_sem_init (sem, pshared, value) - sem_t *sem; - int pshared; - unsigned int value; -{ - /* Parameter sanity check. */ - if (__glibc_unlikely (value > SEM_VALUE_MAX)) - { - __set_errno (EINVAL); - return -1; - } - - /* Map to the internal type. */ - struct sparc_new_sem *isem = (struct sparc_new_sem *) sem; - - /* Use the values the user provided. */ - memset (isem, '\0', sizeof (*isem)); - isem->value = value; -#ifdef __ASSUME_PRIVATE_FUTEX - isem->private = pshared ? 0 : FUTEX_PRIVATE_FLAG; -#else - isem->private = pshared ? 0 : THREAD_GETMEM (THREAD_SELF, - header.private_futex); -#endif - - return 0; -} -versioned_symbol (libpthread, __new_sem_init, sem_init, GLIBC_2_1); - - - -#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1) -int -attribute_compat_text_section -__old_sem_init (sem, pshared, value) - sem_t *sem; - int pshared; - unsigned int value; -{ - /* Parameter sanity check. */ - if (__glibc_unlikely (value > SEM_VALUE_MAX)) - { - __set_errno (EINVAL); - return -1; - } - - /* Map to the internal type. */ - struct sparc_old_sem *isem = (struct sparc_old_sem *) sem; - - /* Use the value the user provided. */ - memset (isem, '\0', sizeof (*isem)); - isem->value = value; - -#ifdef __ASSUME_PRIVATE_FUTEX - isem->private = pshared ? 0 : FUTEX_PRIVATE_FLAG; -#else - isem->private = pshared ? 0 : THREAD_GETMEM (THREAD_SELF, - header.private_futex); -#endif - - return 0; -} -compat_symbol (libpthread, __old_sem_init, sem_init, GLIBC_2_0); -#endif diff --git a/sysdeps/sparc/nptl/sem_post.c b/sysdeps/sparc/nptl/sem_post.c deleted file mode 100644 index dcb407eea4..0000000000 --- a/sysdeps/sparc/nptl/sem_post.c +++ /dev/null @@ -1,70 +0,0 @@ -/* sem_post -- post to a POSIX semaphore. SPARC version. - Copyright (C) 2003-2015 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. - - 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 <errno.h> -#include <sysdep.h> -#include <lowlevellock.h> -#include <internaltypes.h> -#include <semaphore.h> - -#include <shlib-compat.h> -#include <sparc-nptl.h> - -int -__new_sem_post (sem_t *sem) -{ - struct sparc_new_sem *isem = (struct sparc_new_sem *) sem; - - atomic_increment (&isem->value); - atomic_full_barrier (); - if (isem->nwaiters > 0) - { - int err = lll_futex_wake (&isem->value, 1, - isem->private ^ FUTEX_PRIVATE_FLAG); - if (__builtin_expect (err, 0) < 0) - { - __set_errno (-err); - return -1; - } - } - return 0; -} -versioned_symbol (libpthread, __new_sem_post, sem_post, GLIBC_2_1); - - -#if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_1) -int -attribute_compat_text_section -__old_sem_post (sem_t *sem) -{ - struct sparc_old_sem *isem = (struct sparc_old_sem *) sem; - int err; - - atomic_increment (&isem->value); - err = lll_futex_wake (&isem->value, 1, - isem->private ^ FUTEX_PRIVATE_FLAG); - if (__builtin_expect (err, 0) < 0) - { - __set_errno (-err); - return -1; - } - return 0; -} -compat_symbol (libpthread, __old_sem_post, sem_post, GLIBC_2_0); -#endif diff --git a/sysdeps/sparc/nptl/sem_timedwait.c b/sysdeps/sparc/nptl/sem_timedwait.c deleted file mode 100644 index 6b7d2aa365..0000000000 --- a/sysdeps/sparc/nptl/sem_timedwait.c +++ /dev/null @@ -1,116 +0,0 @@ -/* sem_timedwait -- wait on a semaphore. Generic futex-using version. - Copyright (C) 2003-2015 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003. - - 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 <errno.h> -#include <sysdep.h> -#include <lowlevellock.h> -#include <internaltypes.h> -#include <semaphore.h> - -#include <pthreadP.h> -#include <shlib-compat.h> -#include <sparc-nptl.h> - -extern void __sem_wait_cleanup (void *arg) attribute_hidden; - -/* This is in a seperate function in order to make sure gcc - puts the call site into an exception region, and thus the - cleanups get properly run. */ -static int -__attribute__ ((noinline)) -do_futex_timed_wait (struct sparc_new_sem *isem, struct timespec *rt) -{ - int err, oldtype = __pthread_enable_asynccancel (); - - err = lll_futex_timed_wait (&isem->value, 0, rt, - isem->private ^ FUTEX_PRIVATE_FLAG); - - __pthread_disable_asynccancel (oldtype); - return err; -} - -int -sem_timedwait (sem_t *sem, const struct timespec *abstime) -{ - struct sparc_new_sem *isem = (struct sparc_new_sem *) sem; - int err; - - if (atomic_decrement_if_positive (&isem->value) > 0) - return 0; - - if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) - { - __set_errno (EINVAL); - return -1; - } - - atomic_increment (&isem->nwaiters); - - pthread_cleanup_push (__sem_wait_cleanup, isem); - - while (1) - { - struct timeval tv; - struct timespec rt; - int sec, nsec; - - /* Get the current time. */ - __gettimeofday (&tv, NULL); - - /* Compute relative timeout. */ - sec = abstime->tv_sec - tv.tv_sec; - nsec = abstime->tv_nsec - tv.tv_usec * 1000; - if (nsec < 0) - { - nsec += 1000000000; - --sec; - } - - /* Already timed out? */ - if (sec < 0) - { - __set_errno (ETIMEDOUT); - err = -1; - break; - } - - /* Do wait. */ - rt.tv_sec = sec; - rt.tv_nsec = nsec; - err = do_futex_timed_wait(isem, &rt); - if (err != 0 && err != -EWOULDBLOCK) - { - __set_errno (-err); - err = -1; - break; - } - - if (atomic_decrement_if_positive (&isem->value) > 0) - { - err = 0; - break; - } - } - - pthread_cleanup_pop (0); - - atomic_decrement (&isem->nwaiters); - - return err; -} diff --git a/sysdeps/sparc/nptl/sem_wait.c b/sysdeps/sparc/nptl/sem_wait.c deleted file mode 100644 index 35b8abf0e1..0000000000 --- a/sysdeps/sparc/nptl/sem_wait.c +++ /dev/null @@ -1,122 +0,0 @@ -/* sem_wait -- wait on a semaphore. Generic futex-using version. - Copyright (C) 2003-2015 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003. - - 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 <errno.h> -#include <sysdep.h> -#include <lowlevellock.h> -#include <internaltypes.h> -#include <semaphore.h> - -#include <pthreadP.h> -#include <shlib-compat.h> -#include <sparc-nptl.h> - -void -attribute_hidden -__sem_wait_cleanup (void *arg) -{ - struct sparc_new_sem *isem = (struct sparc_new_sem *) arg; - - atomic_decrement (&isem->nwaiters); -} - -/* This is in a seperate function in order to make sure gcc - puts the call site into an exception region, and thus the - cleanups get properly run. */ -static int -__attribute__ ((noinline)) -do_futex_wait (struct sparc_new_sem *isem) -{ - int err, oldtype = __pthread_enable_asynccancel (); - - err = lll_futex_wait (&isem->value, 0, isem->private ^ FUTEX_PRIVATE_FLAG); - - __pthread_disable_asynccancel (oldtype); - return err; -} - -int -__new_sem_wait (sem_t *sem) -{ - struct sparc_new_sem *isem = (struct sparc_new_sem *) sem; - int err; - - if (atomic_decrement_if_positive (&isem->value) > 0) - return 0; - - atomic_increment (&isem->nwaiters); - - pthread_cleanup_push (__sem_wait_cleanup, isem); - - while (1) - { - err = do_futex_wait(isem); - if (err != 0 && err != -EWOULDBLOCK) - { - __set_errno (-err); - err = -1; - break; - } - - if (atomic_decrement_if_positive (&isem->value) > 0) - { - err = 0; - break; - } - } - - pthread_cleanup_pop (0); - - atomic_decrement (&isem->nwaiters); - - return err; -} -versioned_symbol (libpthread, __new_sem_wait, sem_wait, GLIBC_2_1); - - -#if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_1) -int -attribute_compat_text_section -__old_sem_wait (sem_t *sem) -{ - struct sparc_old_sem *isem = (struct sparc_old_sem *) sem; - int err; - - do - { - if (atomic_decrement_if_positive (&isem->value) > 0) - return 0; - - /* Enable asynchronous cancellation. Required by the standard. */ - int oldtype = __pthread_enable_asynccancel (); - - err = lll_futex_wait (&isem->value, 0, - isem->private ^ FUTEX_PRIVATE_FLAG); - - /* Disable asynchronous cancellation. */ - __pthread_disable_asynccancel (oldtype); - } - while (err == 0 || err == -EWOULDBLOCK); - - __set_errno (-err); - return -1; -} - -compat_symbol (libpthread, __old_sem_wait, sem_wait, GLIBC_2_0); -#endif |