/* 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 Library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library 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 1997-1999. 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 #include #include #include #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 #define HAVE_G_THREAD_IMPL_INIT static void g_thread_impl_init() { g_thread_min_priority = 0; g_thread_max_priority = 127; } 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_PROCESS, 0)); return result; } static void g_mutex_free_solaris_impl (GMutex * mutex) { solaris_check_for_error (mutex_destroy ((mutex_t *) mutex)); 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_MICROSEC 1000000 #define G_NANOSEC 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_NANOSEC / G_MICROSEC); g_assert (end_time.tv_nsec < G_NANOSEC); 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; } void g_thread_set_priority_solaris_impl (gpointer thread, GThreadPriority priority) { solaris_check_for_error (thr_setprio (GPOINTER_TO_INT (thread), g_thread_map_priority (priority))); } gpointer g_thread_create_solaris_impl (GThreadFunc thread_func, gpointer arg, gulong stack_size, gboolean joinable, gboolean bound, GThreadPriority priority) { thread_t thread; long flags = (bound ? THR_BOUND : 0) | (joinable ? 0: THR_DETACHED); g_return_val_if_fail (thread_func, NULL); solaris_check_for_error (thr_create (NULL, stack_size, (void* (*)(void*))thread_func, arg, flags, &thread)); g_thread_set_priority_solaris_impl (GINT_TO_POINTER (thread), priority); return GINT_TO_POINTER (thread); } void g_thread_yield_solaris_impl (void) { thr_yield (); } void g_thread_join_solaris_impl (gpointer thread) { gpointer ignore; solaris_check_for_error (thr_join (GPOINTER_TO_INT (thread), NULL, &ignore)); } void g_thread_exit_solaris_impl (void) { thr_exit (NULL); } 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, (gpointer (*)())thr_self };