diff options
Diffstat (limited to 'lib/libkse/thread/thr_exit.c')
| -rw-r--r-- | lib/libkse/thread/thr_exit.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/lib/libkse/thread/thr_exit.c b/lib/libkse/thread/thr_exit.c deleted file mode 100644 index a5fc4001e414..000000000000 --- a/lib/libkse/thread/thr_exit.c +++ /dev/null @@ -1,164 +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. - * - */ -#include <errno.h> -#include <unistd.h> -#include <fcntl.h> -#include <string.h> -#ifdef _THREAD_SAFE -#include <pthread.h> -#include "pthread_private.h" - -void _exit(int status) -{ - int flags; - int i; - struct itimerval itimer; - - /* Disable the interval timer: */ - itimer.it_interval.tv_sec = 0; - itimer.it_interval.tv_usec = 0; - itimer.it_value.tv_sec = 0; - itimer.it_value.tv_usec = 0; - setitimer(ITIMER_VIRTUAL, &itimer, NULL); - - /* Close the pthread kernel pipe: */ - _thread_sys_close(_thread_kern_pipe[0]); - _thread_sys_close(_thread_kern_pipe[1]); - - /* - * Enter a loop to set all file descriptors to blocking - * if they were not created as non-blocking: - */ - for (i = 0; i < _thread_dtablesize; i++) { - /* Check if this file descriptor is in use: */ - if (_thread_fd_table[i] != NULL && - !(_thread_fd_table[i]->flags & O_NONBLOCK)) { - /* Get the current flags: */ - flags = _thread_sys_fcntl(i, F_GETFL, NULL); - /* Clear the nonblocking file descriptor flag: */ - _thread_sys_fcntl(i, F_SETFL, flags & ~O_NONBLOCK); - } - } - - /* Call the _exit syscall: */ - _thread_sys__exit(status); -} - -void -_thread_exit(char *fname, int lineno, char *string) -{ - char s[256]; - - /* Prepare an error message string: */ - strcpy(s, "Fatal error '"); - strcat(s, string); - strcat(s, "' at line ? "); - strcat(s, "in file "); - strcat(s, fname); - strcat(s, " (errno = ?"); - strcat(s, ")\n"); - - /* Write the string to the standard error file descriptor: */ - _thread_sys_write(2, s, strlen(s)); - - /* Force this process to exit: */ - _exit(1); -} - -void -pthread_exit(void *status) -{ - int sig; - long l; - pthread_t pthread; - - /* Check if this thread is already in the process of exiting: */ - if ((_thread_run->flags & PTHREAD_EXITING) != 0) { - char msg[128]; - snprintf(msg,"Thread %p has called pthread_exit() from a destructor. POSIX 1003.1 1996 s16.2.5.2 does not allow this!",_thread_run); - PANIC(msg); - } - - /* Flag this thread as exiting: */ - _thread_run->flags |= PTHREAD_EXITING; - - /* Save the return value: */ - _thread_run->ret = status; - - while (_thread_run->cleanup != NULL) { - pthread_cleanup_pop(1); - } - - if (_thread_run->attr.cleanup_attr != NULL) { - _thread_run->attr.cleanup_attr(_thread_run->attr.arg_attr); - } - /* Check if there is thread specific data: */ - if (_thread_run->specific_data != NULL) { - /* Run the thread-specific data destructors: */ - _thread_cleanupspecific(); - } - /* Check if there are any threads joined to this one: */ - while ((pthread = _thread_queue_deq(&(_thread_run->join_queue))) != NULL) { - /* Wake the joined thread and let it detach this thread: */ - PTHREAD_NEW_STATE(pthread,PS_RUNNING); - } - - /* - * Lock the garbage collector mutex to ensure that the garbage - * collector is not using the dead thread list. - */ - if (pthread_mutex_lock(&_gc_mutex) != 0) - PANIC("Cannot lock gc mutex"); - - /* Add this thread to the list of dead threads. */ - _thread_run->nxt_dead = _thread_dead; - _thread_dead = _thread_run; - - /* - * Signal the garbage collector thread that there is something - * to clean up. - */ - if (pthread_cond_signal(&_gc_cond) != 0) - PANIC("Cannot signal gc cond"); - - /* Unlock the garbage collector mutex: */ - if (pthread_mutex_unlock(&_gc_mutex) != 0) - PANIC("Cannot lock gc mutex"); - - /* This this thread will never be re-scheduled. */ - _thread_kern_sched_state(PS_DEAD, __FILE__, __LINE__); - - /* This point should not be reached. */ - PANIC("Dead thread has resumed"); -} -#endif |