| /* GLIB - Library of useful routines for C programming |
| * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald |
| * |
| * gthread.c: solaris thread system implementation |
| * Copyright 1998 Sebastian Wilhelmi; University of Karlsruhe |
| * |
| * This 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 of the License, or (at your option) any later version. |
| * |
| * This 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 this library; if not, write to the |
| * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, USA. |
| */ |
| |
| /* |
| * Modified by the GLib Team and others 1997-2000. See the AUTHORS |
| * file for a list of people on the GLib Team. See the ChangeLog |
| * files for a list of changes. These files are distributed with |
| * GLib at ftp://ftp.gtk.org/pub/gtk/. |
| */ |
| |
| /* |
| * MT safe |
| */ |
| |
| #include <thread.h> |
| #include <errno.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #ifdef HAVE_UNISTD_H |
| #include <unistd.h> |
| #endif |
| |
| #define solaris_print_error( name, num ) \ |
| g_error( "file %s: line %d (%s): error %s during %s", \ |
| __FILE__, __LINE__, G_GNUC_PRETTY_FUNCTION, \ |
| g_strerror((num)), #name ) |
| |
| #define solaris_check_for_error( what ) G_STMT_START{ \ |
| int error = (what); \ |
| if( error ) { solaris_print_error( what, error ); } \ |
| }G_STMT_END |
| |
| static gulong g_thread_min_stack_size = 0; |
| |
| #define G_MUTEX_SIZE (sizeof (mutex_t)) |
| |
| #define PRIORITY_LOW_VALUE 0 |
| #define PRIORITY_URGENT_VALUE 127 |
| |
| #ifdef _SC_THREAD_STACK_MIN |
| #define HAVE_G_THREAD_IMPL_INIT |
| static void |
| g_thread_impl_init() |
| { |
| g_thread_min_stack_size = MAX (sysconf (_SC_THREAD_STACK_MIN), 0); |
| } |
| #endif /* _SC_THREAD_STACK_MIN */ |
| |
| static GMutex * |
| g_mutex_new_solaris_impl (void) |
| { |
| GMutex *result = (GMutex *) g_new (mutex_t, 1); |
| solaris_check_for_error (mutex_init ((mutex_t *) result, USYNC_THREAD, 0)); |
| return result; |
| } |
| |
| static void |
| g_mutex_free_solaris_impl (GMutex * mutex) |
| { |
| solaris_check_for_error (mutex_destroy ((mutex_t *) mutex)); |
| g_free (mutex); |
| } |
| |
| /* NOTE: the functions g_mutex_lock and g_mutex_unlock may not use |
| functions from gmem.c and gmessages.c; */ |
| |
| /* mutex_lock, mutex_unlock can be taken directly, as |
| signature and semantic are right, but without error check then!!!!, |
| we might want to change this therefore. */ |
| |
| static gboolean |
| g_mutex_trylock_solaris_impl (GMutex * mutex) |
| { |
| int result; |
| result = mutex_trylock ((mutex_t *) mutex); |
| if (result == EBUSY) |
| return FALSE; |
| solaris_check_for_error (result); |
| return TRUE; |
| } |
| |
| static GCond * |
| g_cond_new_solaris_impl () |
| { |
| GCond *result = (GCond *) g_new (cond_t, 1); |
| solaris_check_for_error (cond_init ((cond_t *) result, USYNC_THREAD, 0)); |
| return result; |
| } |
| |
| /* cond_signal, cond_broadcast and cond_wait |
| can be taken directly, as signature and semantic are right, but |
| without error check then!!!!, we might want to change this |
| therfore. */ |
| |
| #define G_NSEC_PER_SEC 1000000000 |
| |
| static gboolean |
| g_cond_timed_wait_solaris_impl (GCond * cond, |
| GMutex * entered_mutex, |
| GTimeVal * abs_time) |
| { |
| int result; |
| timestruc_t end_time; |
| gboolean timed_out; |
| |
| g_return_val_if_fail (cond != NULL, FALSE); |
| g_return_val_if_fail (entered_mutex != NULL, FALSE); |
| |
| if (!abs_time) |
| { |
| g_cond_wait (cond, entered_mutex); |
| return TRUE; |
| } |
| |
| end_time.tv_sec = abs_time->tv_sec; |
| end_time.tv_nsec = abs_time->tv_usec * (G_NSEC_PER_SEC / G_USEC_PER_SEC); |
| g_assert (end_time.tv_nsec < G_NSEC_PER_SEC); |
| result = cond_timedwait ((cond_t *) cond, (mutex_t *) entered_mutex, |
| &end_time); |
| timed_out = (result == ETIME); |
| if (!timed_out) |
| solaris_check_for_error (result); |
| return !timed_out; |
| } |
| |
| static void |
| g_cond_free_solaris_impl (GCond * cond) |
| { |
| solaris_check_for_error (cond_destroy ((cond_t *) cond)); |
| g_free (cond); |
| } |
| |
| static GPrivate * |
| g_private_new_solaris_impl (GDestroyNotify destructor) |
| { |
| GPrivate *result = (GPrivate *) g_new (thread_key_t,1); |
| solaris_check_for_error (thr_keycreate ((thread_key_t *) result, |
| destructor)); |
| return result; |
| } |
| |
| /* NOTE: the functions g_private_get and g_private_set may not use |
| functions from gmem.c and gmessages.c */ |
| |
| static void |
| g_private_set_solaris_impl (GPrivate * private_key, gpointer value) |
| { |
| if (!private_key) |
| return; |
| |
| thr_setspecific (*(thread_key_t *) private_key, value); |
| } |
| |
| static gpointer |
| g_private_get_solaris_impl (GPrivate * private_key) |
| { |
| gpointer result; |
| |
| if (!private_key) |
| return NULL; |
| |
| thr_getspecific (*(thread_key_t *) private_key, &result); |
| |
| return result; |
| } |
| |
| static void |
| g_thread_set_priority_solaris_impl (gpointer thread, GThreadPriority priority) |
| { |
| solaris_check_for_error (thr_setprio (*(thread_t*)thread, |
| g_thread_priority_map [priority])); |
| } |
| |
| static void |
| g_thread_create_solaris_impl (GThreadFunc thread_func, |
| gpointer arg, |
| gulong stack_size, |
| gboolean joinable, |
| gboolean bound, |
| GThreadPriority priority, |
| gpointer thread, |
| GError **error) |
| { |
| long flags = (bound ? THR_BOUND : 0) | (joinable ? 0: THR_DETACHED); |
| gint ret; |
| |
| g_return_if_fail (thread_func); |
| g_return_if_fail (priority >= G_THREAD_PRIORITY_LOW); |
| g_return_if_fail (priority <= G_THREAD_PRIORITY_URGENT); |
| |
| stack_size = MAX (g_thread_min_stack_size, stack_size); |
| |
| ret = thr_create (NULL, stack_size, (void* (*)(void*))thread_func, |
| arg, flags, thread); |
| |
| if (ret == EAGAIN) |
| { |
| g_set_error (error, G_THREAD_ERROR, G_THREAD_ERROR_AGAIN, |
| "Error creating thread: %s", g_strerror (ret)); |
| return; |
| } |
| |
| solaris_check_for_error (ret); |
| |
| g_thread_set_priority_solaris_impl (thread, priority); |
| } |
| |
| static void |
| g_thread_yield_solaris_impl (void) |
| { |
| thr_yield (); |
| } |
| |
| static void |
| g_thread_join_solaris_impl (gpointer thread) |
| { |
| gpointer ignore; |
| solaris_check_for_error (thr_join (*(thread_t*)thread, NULL, &ignore)); |
| } |
| |
| static void |
| g_thread_exit_solaris_impl (void) |
| { |
| thr_exit (NULL); |
| } |
| |
| static void |
| g_thread_self_solaris_impl (gpointer thread) |
| { |
| *(thread_t*)thread = thr_self(); |
| } |
| |
| static GThreadFunctions g_thread_functions_for_glib_use_default = |
| { |
| g_mutex_new_solaris_impl, |
| (void (*)(GMutex *)) mutex_lock, |
| g_mutex_trylock_solaris_impl, |
| (void (*)(GMutex *)) mutex_unlock, |
| g_mutex_free_solaris_impl, |
| g_cond_new_solaris_impl, |
| (void (*)(GCond *)) cond_signal, |
| (void (*)(GCond *)) cond_broadcast, |
| (void (*)(GCond *, GMutex *)) cond_wait, |
| g_cond_timed_wait_solaris_impl, |
| g_cond_free_solaris_impl, |
| g_private_new_solaris_impl, |
| g_private_get_solaris_impl, |
| g_private_set_solaris_impl, |
| g_thread_create_solaris_impl, |
| g_thread_yield_solaris_impl, |
| g_thread_join_solaris_impl, |
| g_thread_exit_solaris_impl, |
| g_thread_set_priority_solaris_impl, |
| g_thread_self_solaris_impl, |
| NULL /* no equal function necessary on Solaris */ |
| }; |