From e3330899f3ef81f9e4cb60715a697055e2bd4719 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Wed, 16 Sep 2015 06:13:45 +0200 Subject: libstdthreads: Import from FreeBSD --- cpukit/libstdthreads/call_once.c | 44 ++++++++++++++ cpukit/libstdthreads/cnd.c | 98 ++++++++++++++++++++++++++++++ cpukit/libstdthreads/mtx.c | 116 +++++++++++++++++++++++++++++++++++ cpukit/libstdthreads/thrd.c | 128 +++++++++++++++++++++++++++++++++++++++ cpukit/libstdthreads/tss.c | 69 +++++++++++++++++++++ 5 files changed, 455 insertions(+) create mode 100644 cpukit/libstdthreads/call_once.c create mode 100644 cpukit/libstdthreads/cnd.c create mode 100644 cpukit/libstdthreads/mtx.c create mode 100644 cpukit/libstdthreads/thrd.c create mode 100644 cpukit/libstdthreads/tss.c (limited to 'cpukit/libstdthreads') diff --git a/cpukit/libstdthreads/call_once.c b/cpukit/libstdthreads/call_once.c new file mode 100644 index 0000000000..2d7d6ff89e --- /dev/null +++ b/cpukit/libstdthreads/call_once.c @@ -0,0 +1,44 @@ +/*- + * Copyright (c) 2011 Ed Schouten + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD r228904 2011-12-26T21:51:53Z$ + */ + +#include +__FBSDID("$FreeBSD$"); + +#include + +#include "threads.h" + +void +call_once(once_flag *flag, void (*func)(void)) +{ + + (void)pthread_once((pthread_once_t *)flag, func); +} + +_Static_assert(sizeof(once_flag) == sizeof(pthread_once_t), + "once_flag must be of the same size as pthread_once_t"); diff --git a/cpukit/libstdthreads/cnd.c b/cpukit/libstdthreads/cnd.c new file mode 100644 index 0000000000..cccf728c77 --- /dev/null +++ b/cpukit/libstdthreads/cnd.c @@ -0,0 +1,98 @@ +/*- + * Copyright (c) 2011 Ed Schouten + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD r228904 2011-12-26T21:51:53Z$ + */ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include + +#include "threads.h" + +int +cnd_broadcast(cnd_t *cond) +{ + + if (pthread_cond_broadcast(cond) != 0) + return (thrd_error); + return (thrd_success); +} + +void +cnd_destroy(cnd_t *cond) +{ + + (void)pthread_cond_destroy(cond); +} + +int +cnd_init(cnd_t *cond) +{ + + switch (pthread_cond_init(cond, NULL)) { + case 0: + return (thrd_success); + case ENOMEM: + return (thrd_nomem); + default: + return (thrd_error); + } +} + +int +cnd_signal(cnd_t *cond) +{ + + if (pthread_cond_signal(cond) != 0) + return (thrd_error); + return (thrd_success); +} + +int +cnd_timedwait(cnd_t *restrict cond, mtx_t *restrict mtx, + const struct timespec *restrict ts) +{ + + switch (pthread_cond_timedwait(cond, mtx, ts)) { + case 0: + return (thrd_success); + case ETIMEDOUT: + return (thrd_timedout); + default: + return (thrd_error); + } +} + +int +cnd_wait(cnd_t *cond, mtx_t *mtx) +{ + + if (pthread_cond_wait(cond, mtx) != 0) + return (thrd_error); + return (thrd_success); +} diff --git a/cpukit/libstdthreads/mtx.c b/cpukit/libstdthreads/mtx.c new file mode 100644 index 0000000000..2d42f8a8db --- /dev/null +++ b/cpukit/libstdthreads/mtx.c @@ -0,0 +1,116 @@ +/*- + * Copyright (c) 2011 Ed Schouten + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD r279326 2015-02-26T16:39:57Z$ + */ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include + +#include "threads.h" + +void +mtx_destroy(mtx_t *mtx) +{ + + (void)pthread_mutex_destroy(mtx); +} + +int +mtx_init(mtx_t *mtx, int type) +{ + pthread_mutexattr_t attr; + int mt; + + switch (type) { + case mtx_plain: + case mtx_timed: + mt = PTHREAD_MUTEX_NORMAL; + break; + case mtx_plain | mtx_recursive: + case mtx_timed | mtx_recursive: + mt = PTHREAD_MUTEX_RECURSIVE; + break; + default: + return (thrd_error); + } + + if (pthread_mutexattr_init(&attr) != 0) + return (thrd_error); + if (pthread_mutexattr_settype(&attr, mt) != 0) + return (thrd_error); + if (pthread_mutex_init(mtx, &attr) != 0) + return (thrd_error); + return (thrd_success); +} + +int +mtx_lock(mtx_t *mtx) +{ + + if (pthread_mutex_lock(mtx) != 0) + return (thrd_error); + return (thrd_success); +} + +int +mtx_timedlock(mtx_t *restrict mtx, const struct timespec *restrict ts) +{ + + switch (pthread_mutex_timedlock(mtx, ts)) { + case 0: + return (thrd_success); + case ETIMEDOUT: + return (thrd_timedout); + default: + return (thrd_error); + } +} + +int +mtx_trylock(mtx_t *mtx) +{ + + switch (pthread_mutex_trylock(mtx)) { + case 0: + return (thrd_success); + case EBUSY: + return (thrd_busy); + default: + return (thrd_error); + } +} + +int +mtx_unlock(mtx_t *mtx) +{ + + if (pthread_mutex_unlock(mtx) != 0) + return (thrd_error); + return (thrd_success); +} diff --git a/cpukit/libstdthreads/thrd.c b/cpukit/libstdthreads/thrd.c new file mode 100644 index 0000000000..562e806226 --- /dev/null +++ b/cpukit/libstdthreads/thrd.c @@ -0,0 +1,128 @@ +/*- + * Copyright (c) 2011 Ed Schouten + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD r279318 2015-02-26T09:42:03Z$ + */ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include +#include + +#include "threads.h" + +struct thrd_param { + thrd_start_t func; + void *arg; +}; + +static void * +thrd_entry(void *arg) +{ + struct thrd_param tp; + + tp = *(struct thrd_param *)arg; + free(arg); + return ((void *)(intptr_t)tp.func(tp.arg)); +} + +int +thrd_create(thrd_t *thr, thrd_start_t func, void *arg) +{ + struct thrd_param *tp; + + /* + * Work around return type inconsistency. Wrap execution using + * a function conforming to pthread_create()'s start_routine. + */ + tp = malloc(sizeof(*tp)); + if (tp == NULL) + return (thrd_nomem); + tp->func = func; + tp->arg = arg; + if (pthread_create(thr, NULL, thrd_entry, tp) != 0) { + free(tp); + return (thrd_error); + } + return (thrd_success); +} + +thrd_t +thrd_current(void) +{ + + return (pthread_self()); +} + +int +thrd_detach(thrd_t thr) +{ + + if (pthread_detach(thr) != 0) + return (thrd_error); + return (thrd_success); +} + +int +thrd_equal(thrd_t thr0, thrd_t thr1) +{ + + return (pthread_equal(thr0, thr1)); +} + +_Noreturn void +thrd_exit(int res) +{ + + pthread_exit((void *)(intptr_t)res); +} + +int +thrd_join(thrd_t thr, int *res) +{ + void *value_ptr; + + if (pthread_join(thr, &value_ptr) != 0) + return (thrd_error); + if (res != NULL) + *res = (intptr_t)value_ptr; + return (thrd_success); +} + +int +thrd_sleep(const struct timespec *duration, struct timespec *remaining) +{ + + return (nanosleep(duration, remaining)); +} + +void +thrd_yield(void) +{ + + pthread_yield(); +} diff --git a/cpukit/libstdthreads/tss.c b/cpukit/libstdthreads/tss.c new file mode 100644 index 0000000000..0d4eea7a2e --- /dev/null +++ b/cpukit/libstdthreads/tss.c @@ -0,0 +1,69 @@ +/*- + * Copyright (c) 2011 Ed Schouten + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD r228904 2011-12-26T21:51:53Z$ + */ + +#include +__FBSDID("$FreeBSD$"); + +#include + +#include "threads.h" + +int +tss_create(tss_t *key, tss_dtor_t dtor) +{ + + if (pthread_key_create(key, dtor) != 0) + return (thrd_error); + return (thrd_success); +} + +void +tss_delete(tss_t key) +{ + + (void)pthread_key_delete(key); +} + +void * +tss_get(tss_t key) +{ + + return (pthread_getspecific(key)); +} + +int +tss_set(tss_t key, void *val) +{ + + if (pthread_setspecific(key, val) != 0) + return (thrd_error); + return (thrd_success); +} + +_Static_assert(TSS_DTOR_ITERATIONS == PTHREAD_DESTRUCTOR_ITERATIONS, + "TSS_DTOR_ITERATIONS must be identical to PTHREAD_DESTRUCTOR_ITERATIONS"); -- cgit v1.2.3