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-rw-r--r--lib/libpthread/thread/thr_init.c284
1 files changed, 0 insertions, 284 deletions
diff --git a/lib/libpthread/thread/thr_init.c b/lib/libpthread/thread/thr_init.c
deleted file mode 100644
index 50f3bef8973a..000000000000
--- a/lib/libpthread/thread/thr_init.c
+++ /dev/null
@@ -1,284 +0,0 @@
-/*
- * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>
- * 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.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by John Birrell.
- * 4. Neither the name of the author nor the names of any co-contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL 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 REGENTS 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.
- *
- */
-
-/* Allocate space for global thread variables here: */
-#define GLOBAL_PTHREAD_PRIVATE
-
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-#include <paths.h>
-#include <unistd.h>
-#include <sys/time.h>
-#include <sys/ttycom.h>
-#ifdef _THREAD_SAFE
-#include <machine/reg.h>
-#include <pthread.h>
-#include "pthread_private.h"
-
-#ifdef GCC_2_8_MADE_THREAD_AWARE
-typedef void *** (*dynamic_handler_allocator)();
-extern void __set_dynamic_handler_allocator(dynamic_handler_allocator);
-
-static pthread_key_t except_head_key;
-
-typedef struct {
- void **__dynamic_handler_chain;
- void *top_elt[2];
-} except_struct;
-
-static void ***dynamic_allocator_handler_fn()
-{
- except_struct *dh = (except_struct *)pthread_getspecific(except_head_key);
-
- if(dh == NULL) {
- dh = (except_struct *)malloc( sizeof(except_struct) );
- memset(dh, '\0', sizeof(except_struct));
- dh->__dynamic_handler_chain= dh->top_elt;
- pthread_setspecific(except_head_key, (void *)dh);
- }
- return &dh->__dynamic_handler_chain;
-}
-#endif /* GCC_2_8_MADE_THREAD_AWARE */
-
-/*
- * Threaded process initialization
- */
-void
-_thread_init(void)
-{
- int fd;
- int flags;
- int i;
- struct sigaction act;
-
- /* Check if this function has already been called: */
- if (_thread_initial)
- /* Only initialise the threaded application once. */
- return;
-
- /*
- * Check for the special case of this process running as
- * or in place of init as pid = 1:
- */
- if (getpid() == 1) {
- /*
- * Setup a new session for this process which is
- * assumed to be running as root.
- */
- if (setsid() == -1)
- PANIC("Can't set session ID");
- if (revoke(_PATH_CONSOLE) != 0)
- PANIC("Can't revoke console");
- if ((fd = _thread_sys_open(_PATH_CONSOLE, O_RDWR)) < 0)
- PANIC("Can't open console");
- if (setlogin("root") == -1)
- PANIC("Can't set login to root");
- if (_thread_sys_ioctl(fd,TIOCSCTTY, (char *) NULL) == -1)
- PANIC("Can't set controlling terminal");
- if (_thread_sys_dup2(fd,0) == -1 ||
- _thread_sys_dup2(fd,1) == -1 ||
- _thread_sys_dup2(fd,2) == -1)
- PANIC("Can't dup2");
- }
-
- /* Get the standard I/O flags before messing with them : */
- for (i = 0; i < 3; i++)
- if ((_pthread_stdio_flags[i] =
- _thread_sys_fcntl(i,F_GETFL, NULL)) == -1)
- PANIC("Cannot get stdio flags");
-
- /*
- * Create a pipe that is written to by the signal handler to prevent
- * signals being missed in calls to _select:
- */
- if (_thread_sys_pipe(_thread_kern_pipe) != 0) {
- /* Cannot create pipe, so abort: */
- PANIC("Cannot create kernel pipe");
- }
- /* Get the flags for the read pipe: */
- else if ((flags = _thread_sys_fcntl(_thread_kern_pipe[0], F_GETFL, NULL)) == -1) {
- /* Abort this application: */
- PANIC("Cannot get kernel read pipe flags");
- }
- /* Make the read pipe non-blocking: */
- else if (_thread_sys_fcntl(_thread_kern_pipe[0], F_SETFL, flags | O_NONBLOCK) == -1) {
- /* Abort this application: */
- PANIC("Cannot make kernel read pipe non-blocking");
- }
- /* Get the flags for the write pipe: */
- else if ((flags = _thread_sys_fcntl(_thread_kern_pipe[1], F_GETFL, NULL)) == -1) {
- /* Abort this application: */
- PANIC("Cannot get kernel write pipe flags");
- }
- /* Make the write pipe non-blocking: */
- else if (_thread_sys_fcntl(_thread_kern_pipe[1], F_SETFL, flags | O_NONBLOCK) == -1) {
- /* Abort this application: */
- PANIC("Cannot get kernel write pipe flags");
- }
- /* Allocate memory for the thread structure of the initial thread: */
- else if ((_thread_initial = (pthread_t) malloc(sizeof(struct pthread))) == NULL) {
- /*
- * Insufficient memory to initialise this application, so
- * abort:
- */
- PANIC("Cannot allocate memory for initial thread");
- } else {
- /* Zero the global kernel thread structure: */
- memset(&_thread_kern_thread, 0, sizeof(struct pthread));
- memset(_thread_initial, 0, sizeof(struct pthread));
-
- /* Default the priority of the initial thread: */
- _thread_initial->pthread_priority = PTHREAD_DEFAULT_PRIORITY;
-
- /* Initialise the state of the initial thread: */
- _thread_initial->state = PS_RUNNING;
-
- /* Initialise the queue: */
- _thread_queue_init(&(_thread_initial->join_queue));
-
- /* Initialise the rest of the fields: */
- _thread_initial->specific_data = NULL;
- _thread_initial->cleanup = NULL;
- _thread_initial->queue = NULL;
- _thread_initial->qnxt = NULL;
- _thread_initial->nxt = NULL;
- _thread_initial->flags = 0;
- _thread_initial->error = 0;
- _thread_link_list = _thread_initial;
- _thread_run = _thread_initial;
-
- /* Initialise the global signal action structure: */
- sigfillset(&act.sa_mask);
- act.sa_handler = (void (*) ()) _thread_sig_handler;
- act.sa_flags = 0;
-
- /* Enter a loop to get the existing signal status: */
- for (i = 1; i < NSIG; i++) {
- /* Check for signals which cannot be trapped: */
- if (i == SIGKILL || i == SIGSTOP) {
- }
-
- /* Get the signal handler details: */
- else if (_thread_sys_sigaction(i, NULL,
- &_thread_sigact[i - 1]) != 0) {
- /*
- * Abort this process if signal
- * initialisation fails:
- */
- PANIC("Cannot read signal handler info");
- }
- }
-
- /*
- * Install the signal handler for the most important
- * signals that the user-thread kernel needs. Actually
- * SIGINFO isn't really needed, but it is nice to have.
- */
- if (_thread_sys_sigaction(SIGVTALRM, &act, NULL) != 0 ||
- _thread_sys_sigaction(SIGINFO , &act, NULL) != 0 ||
- _thread_sys_sigaction(SIGCHLD , &act, NULL) != 0) {
- /*
- * Abort this process if signal initialisation fails:
- */
- PANIC("Cannot initialise signal handler");
- }
-
- /* Get the table size: */
- if ((_thread_dtablesize = getdtablesize()) < 0) {
- /*
- * Cannot get the system defined table size, so abort
- * this process.
- */
- PANIC("Cannot get dtablesize");
- }
- /* Allocate memory for the file descriptor table: */
- if ((_thread_fd_table = (struct fd_table_entry **) malloc(sizeof(struct fd_table_entry *) * _thread_dtablesize)) == NULL) {
- /*
- * Cannot allocate memory for the file descriptor
- * table, so abort this process.
- */
- PANIC("Cannot allocate memory for file descriptor table");
- } else {
- /*
- * Enter a loop to initialise the file descriptor
- * table:
- */
- for (i = 0; i < _thread_dtablesize; i++) {
- /* Initialise the file descriptor table: */
- _thread_fd_table[i] = NULL;
- }
- }
- }
-
-#ifdef GCC_2_8_MADE_THREAD_AWARE
- /* Create the thread-specific data for the exception linked list. */
- if(pthread_key_create(&except_head_key, NULL) != 0)
- PANIC("Failed to create thread specific execption head");
-
- /* Setup the gcc exception handler per thread. */
- __set_dynamic_handler_allocator( dynamic_allocator_handler_fn );
-#endif /* GCC_2_8_MADE_THREAD_AWARE */
-
- /* Initialise the garbage collector mutex and condition variable. */
- if (pthread_mutex_init(&_gc_mutex,NULL) != 0 ||
- pthread_cond_init(&_gc_cond,NULL) != 0)
- PANIC("Failed to initialise garbage collector mutex or condvar");
-
- return;
-}
-
-/*
- * Special start up code for NetBSD/Alpha
- */
-#if defined(__NetBSD__) && defined(__alpha__)
-int
-main(int argc, char *argv[], char *env);
-
-int
-_thread_main(int argc, char *argv[], char *env)
-{
- _thread_init();
- return (main(argc, argv, env));
-}
-#endif
-#else
-/*
- * A stub for non-threaded programs.
- */
-void
-_thread_init(void)
-{
-}
-#endif