| [2] | 1 | /* GNU Objective C Runtime Thread Interface - SGI IRIX Implementation
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| 2 | Copyright (C) 1996, 1997 Free Software Foundation, Inc.
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| 3 | Contributed by Galen C. Hunt ([email protected])
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| 4 |
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| 5 | This file is part of GNU CC.
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| 6 |
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| 7 | GNU CC is free software; you can redistribute it and/or modify it under the
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| 8 | terms of the GNU General Public License as published by the Free Software
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| 9 | Foundation; either version 2, or (at your option) any later version.
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| 10 |
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| 11 | GNU CC is distributed in the hope that it will be useful, but WITHOUT ANY
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| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 13 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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| 14 | details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License along with
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| 17 | GNU CC; see the file COPYING. If not, write to the Free Software
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| 18 | Foundation, 59 Temple Place - Suite 330,
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| 19 | Boston, MA 02111-1307, USA. */
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| 20 |
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| 21 | /* As a special exception, if you link this library with files compiled with
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| 22 | GCC to produce an executable, this does not cause the resulting executable
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| 23 | to be covered by the GNU General Public License. This exception does not
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| 24 | however invalidate any other reasons why the executable file might be
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| 25 | covered by the GNU General Public License. */
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| 26 |
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| 27 | #include <stdlib.h>
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| 28 | #include <sys/types.h>
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| 29 | #include <sys/sysmp.h>
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| 30 | #include <sys/prctl.h>
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| 31 | #include <ulocks.h>
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| 32 | #include <objc/thr.h>
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| 33 | #include "runtime.h"
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| 34 |
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| 35 | /* Key structure for maintaining thread specific storage */
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| 36 | static void * __objc_shared_arena_handle = NULL;
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| 37 |
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| 38 | /* Backend initialization functions */
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| 39 |
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| 40 | /* Initialize the threads subsystem. */
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| 41 | int
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| 42 | __objc_init_thread_system(void)
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| 43 | {
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| 44 | /* Name of IRIX arena. */
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| 45 | char arena_name[64];
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| 46 |
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| 47 | DEBUG_PRINTF("__objc_init_thread_system\n");
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| 48 |
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| 49 | /* Construct a temporary name for arena. */
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| 50 | sprintf(arena_name, "/usr/tmp/objc_%05u", (unsigned)getpid());
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| 51 |
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| 52 | /* Up to 256 threads. Arena only for threads. */
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| 53 | usconfig(CONF_INITUSERS, 256);
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| 54 | usconfig(CONF_ARENATYPE, US_SHAREDONLY);
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| 55 |
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| 56 | /* Initialize the arena */
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| 57 | if (!(__objc_shared_arena_handle = usinit(arena_name)))
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| 58 | /* Failed */
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| 59 | return -1;
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| 60 |
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| 61 | return 0;
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| 62 | }
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| 63 |
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| 64 | /* Close the threads subsystem. */
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| 65 | int
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| 66 | __objc_close_thread_system(void)
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| 67 | {
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| 68 | return 0;
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| 69 | }
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| 70 |
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| 71 | /* Backend thread functions */
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| 72 |
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