diff options
Diffstat (limited to '3rdparty/plibsys/src/puthread-solaris.c')
| -rw-r--r-- | 3rdparty/plibsys/src/puthread-solaris.c | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/3rdparty/plibsys/src/puthread-solaris.c b/3rdparty/plibsys/src/puthread-solaris.c new file mode 100644 index 0000000..80f9f7b --- /dev/null +++ b/3rdparty/plibsys/src/puthread-solaris.c @@ -0,0 +1,352 @@ +/* + * The MIT License + * + * Copyright (C) 2010-2019 Alexander Saprykin <saprykin.spb@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * 'Software'), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "pmem.h" +#include "patomic.h" +#include "puthread.h" +#include "puthread-private.h" + +#ifndef P_OS_UNIXWARE +# include "pmutex.h" +#endif + +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <thread.h> + +#ifdef P_OS_UNIXWARE +# define PLIBSYS_THREAD_MIN_PRIO 0 +# define PLIBSYS_THREAD_MAX_PRIO 126 +#else +# define PLIBSYS_THREAD_MIN_PRIO 0 +# define PLIBSYS_THREAD_MAX_PRIO 127 +#endif + +typedef thread_t puthread_hdl; + +struct PUThread_ { + PUThreadBase base; + puthread_hdl hdl; +}; + +struct PUThreadKey_ { + thread_key_t *key; + PDestroyFunc free_func; +}; + +#ifndef P_OS_UNIXWARE +static PMutex *pp_uthread_tls_mutex = NULL; +#endif + +static pint pp_uthread_get_unix_priority (PUThreadPriority prio); +static thread_key_t * pp_uthread_get_tls_key (PUThreadKey *key); + +static pint +pp_uthread_get_unix_priority (PUThreadPriority prio) +{ + pint lowBound, upperBound; + + lowBound = (pint) P_UTHREAD_PRIORITY_IDLE; + upperBound = (pint) P_UTHREAD_PRIORITY_TIMECRITICAL; + + return ((pint) prio - lowBound) * + (PLIBSYS_THREAD_MAX_PRIO - PLIBSYS_THREAD_MIN_PRIO) / upperBound + + PLIBSYS_THREAD_MIN_PRIO; +} + +static thread_key_t * +pp_uthread_get_tls_key (PUThreadKey *key) +{ + thread_key_t *thread_key; + + thread_key = (thread_key_t *) p_atomic_pointer_get ((ppointer) &key->key); + + if (P_LIKELY (thread_key != NULL)) + return thread_key; + +#ifndef P_OS_UNIXWARE + p_mutex_lock (pp_uthread_tls_mutex); + + thread_key = key->key; + + if (P_LIKELY (thread_key == NULL)) { +#endif + if (P_UNLIKELY ((thread_key = p_malloc0 (sizeof (thread_key_t))) == NULL)) { + P_ERROR ("PUThread::pp_uthread_get_tls_key: failed to allocate memory"); +#ifndef P_OS_UNIXWARE + p_mutex_unlock (pp_uthread_tls_mutex); +#endif + return NULL; + } + + if (P_UNLIKELY (thr_keycreate (thread_key, key->free_func) != 0)) { + P_ERROR ("PUThread::pp_uthread_get_tls_key: thr_keycreate() failed"); + p_free (thread_key); +#ifndef P_OS_UNIXWARE + p_mutex_unlock (pp_uthread_tls_mutex); +#endif + return NULL; + } +#ifdef P_OS_UNIXWARE + if (P_UNLIKELY (p_atomic_pointer_compare_and_exchange ((ppointer) &key->key, + NULL, + (ppointer) thread_key) == FALSE)) { + if (P_UNLIKELY (thr_keydelete (*thread_key) != 0)) { + P_ERROR ("PUThread::pp_uthread_get_tls_key: thr_keydelete() failed"); + p_free (thread_key); + return NULL; + } + + p_free (thread_key); + + thread_key = key->key; + } +#else + key->key = thread_key; + } + + p_mutex_unlock (pp_uthread_tls_mutex); +#endif + + return thread_key; +} + +void +p_uthread_init_internal (void) +{ +#ifndef P_OS_UNIXWARE + if (P_LIKELY (pp_uthread_tls_mutex == NULL)) + pp_uthread_tls_mutex = p_mutex_new (); +#endif +} + +void +p_uthread_shutdown_internal (void) +{ +#ifndef P_OS_UNIXWARE + if (P_LIKELY (pp_uthread_tls_mutex != NULL)) { + p_mutex_free (pp_uthread_tls_mutex); + pp_uthread_tls_mutex = NULL; + } +#endif +} + +void +p_uthread_win32_thread_detach (void) +{ +} + +PUThread * +p_uthread_create_internal (PUThreadFunc func, + pboolean joinable, + PUThreadPriority prio, + psize stack_size) +{ + PUThread *ret; + pint32 flags; + psize min_stack; + + if (P_UNLIKELY ((ret = p_malloc0 (sizeof (PUThread))) == NULL)) { + P_ERROR ("PUThread::p_uthread_create_internal: failed to allocate memory"); + return NULL; + } + + if (stack_size > 0) { +#ifdef P_OS_UNIXWARE + min_stack = thr_minstack (); +#else + min_stack = thr_min_stack (); +#endif + + if (P_UNLIKELY (stack_size < min_stack)) + stack_size = min_stack; + } + + flags = THR_SUSPENDED; + flags |= joinable ? 0 : THR_DETACHED; + + if (P_UNLIKELY (thr_create (NULL, stack_size, func, ret, flags, &ret->hdl) != 0)) { + P_ERROR ("PUThread::p_uthread_create_internal: thr_create() failed"); + p_free (ret); + return NULL; + } + + if (P_UNLIKELY (thr_setprio (ret->hdl, pp_uthread_get_unix_priority (prio)) != 0)) + P_WARNING ("PUThread::p_uthread_create_internal: thr_setprio() failed"); + + if (P_UNLIKELY (thr_continue (ret->hdl) != 0)) { + P_ERROR ("PUThread::p_uthread_create_internal: thr_continue() failed"); + p_free (ret); + return NULL; + } + + ret->base.joinable = joinable; + ret->base.prio = prio; + + return ret; +} + +void +p_uthread_exit_internal (void) +{ + thr_exit (P_INT_TO_POINTER (0)); +} + +void +p_uthread_wait_internal (PUThread *thread) +{ + if (P_UNLIKELY (thr_join (thread->hdl, NULL, NULL) != 0)) + P_ERROR ("PUThread::p_uthread_wait_internal: thr_join() failed"); +} + +void +p_uthread_set_name_internal (PUThread *thread) +{ + P_UNUSED (thread); +} + +void +p_uthread_free_internal (PUThread *thread) +{ + p_free (thread); +} + +P_LIB_API void +p_uthread_yield (void) +{ + thr_yield (); +} + +P_LIB_API pboolean +p_uthread_set_priority (PUThread *thread, + PUThreadPriority prio) +{ + if (P_UNLIKELY (thread == NULL)) + return FALSE; + + if (P_UNLIKELY (thr_setprio (thread->hdl, pp_uthread_get_unix_priority (prio)) != 0)) { + P_WARNING ("PUThread::p_uthread_set_priority: thr_setprio() failed"); + return FALSE; + } + + thread->base.prio = prio; + + return TRUE; +} + +P_LIB_API P_HANDLE +p_uthread_current_id (void) +{ + return (P_HANDLE) ((psize) thr_self ()); +} + +P_LIB_API PUThreadKey * +p_uthread_local_new (PDestroyFunc free_func) +{ + PUThreadKey *ret; + + if (P_UNLIKELY ((ret = p_malloc0 (sizeof (PUThreadKey))) == NULL)) { + P_ERROR ("PUThread::p_uthread_local_new: failed to allocate memory"); + return NULL; + } + + ret->free_func = free_func; + + return ret; +} + +P_LIB_API void +p_uthread_local_free (PUThreadKey *key) +{ + if (P_UNLIKELY (key == NULL)) + return; + + p_free (key); +} + +P_LIB_API ppointer +p_uthread_get_local (PUThreadKey *key) +{ + thread_key_t *tls_key; + ppointer ret = NULL; + + if (P_UNLIKELY (key == NULL)) + return ret; + + tls_key = pp_uthread_get_tls_key (key); + + if (P_LIKELY (tls_key != NULL)) { + if (P_UNLIKELY (thr_getspecific (*tls_key, &ret) != 0)) + P_ERROR ("PUThread::p_uthread_get_local: thr_getspecific() failed"); + } + + return ret; +} + +P_LIB_API void +p_uthread_set_local (PUThreadKey *key, + ppointer value) +{ + thread_key_t *tls_key; + + if (P_UNLIKELY (key == NULL)) + return; + + tls_key = pp_uthread_get_tls_key (key); + + if (P_LIKELY (tls_key != NULL)) { + if (P_UNLIKELY (thr_setspecific (*tls_key, value) != 0)) + P_ERROR ("PUThread::p_uthread_set_local: thr_setspecific() failed"); + } +} + +P_LIB_API void +p_uthread_replace_local (PUThreadKey *key, + ppointer value) +{ + thread_key_t *tls_key; + ppointer old_value = NULL; + + if (P_UNLIKELY (key == NULL)) + return; + + tls_key = pp_uthread_get_tls_key (key); + + if (P_UNLIKELY (tls_key == NULL)) + return; + + if (P_UNLIKELY (thr_getspecific (*tls_key, &old_value) != 0)) { + P_ERROR ("PUThread::p_uthread_replace_local: thr_getspecific() failed"); + return; + } + + if (old_value != NULL && key->free_func != NULL) + key->free_func (old_value); + + if (P_UNLIKELY (thr_setspecific (*tls_key, value) != 0)) + P_ERROR ("PUThread::p_uthread_replace_local: thr_setspecific() failed"); +} |