diff options
Diffstat (limited to 'lib/libpthread/thread/thr_info.c')
-rw-r--r-- | lib/libpthread/thread/thr_info.c | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/lib/libpthread/thread/thr_info.c b/lib/libpthread/thread/thr_info.c deleted file mode 100644 index be25d45..0000000 --- a/lib/libpthread/thread/thr_info.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * Copyright (c) 1995 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 <stdio.h> -#include <fcntl.h> -#include <string.h> -#include <unistd.h> -#ifdef _THREAD_SAFE -#include <pthread.h> -#include "pthread_private.h" - -struct s_thread_info { - enum pthread_state state; - char *name; -}; - -/* Static variables: */ -static const struct s_thread_info thread_info[] = { - {PS_RUNNING , "Running"}, - {PS_SIGTHREAD , "Waiting on signal thread"}, - {PS_MUTEX_WAIT , "Waiting on a mutex"}, - {PS_COND_WAIT , "Waiting on a condition variable"}, - {PS_FDLR_WAIT , "Waiting for a file read lock"}, - {PS_FDLW_WAIT , "Waiting for a file write lock"}, - {PS_FDR_WAIT , "Waiting for read"}, - {PS_FDW_WAIT , "Waitingfor write"}, - {PS_SELECT_WAIT , "Waiting on select"}, - {PS_SLEEP_WAIT , "Sleeping"}, - {PS_WAIT_WAIT , "Waiting process"}, - {PS_SIGWAIT , "Waiting for a signal"}, - {PS_JOIN , "Waiting to join"}, - {PS_SUSPENDED , "Suspended"}, - {PS_DEAD , "Dead"}, - {PS_STATE_MAX , "Not a real state!"} -}; - -void -_thread_dump_info(void) -{ - char s[128]; - int fd; - int i; - int j; - pthread_t pthread; - - /* Open the dump file for append and create it if necessary: */ - if ((fd = _thread_sys_open("/tmp/uthread.dump", O_RDWR | O_CREAT | O_APPEND, 0666)) < 0) { - /* Can't open the dump file. */ - } else { - /* Output a header for active threads: */ - strcpy(s, "\n\n=============\nACTIVE THREADS\n\n"); - _thread_sys_write(fd, s, strlen(s)); - - /* Enter a loop to report each thread in the global list: */ - for (pthread = _thread_link_list; pthread != NULL; pthread = pthread->nxt) { - /* Find the state: */ - for (j = 0; j < (sizeof(thread_info) / sizeof(struct s_thread_info)) - 1; j++) - if (thread_info[j].state == pthread->state) - break; - /* Output a record for the current thread: */ - sprintf(s, "--------------------\nThread %p prio %3d state %s [%s:%d]\n", - pthread, pthread->pthread_priority, thread_info[j].name,pthread->fname,pthread->lineno); - _thread_sys_write(fd, s, strlen(s)); - - /* Check if this is the running thread: */ - if (pthread == _thread_run) { - /* Output a record for the running thread: */ - strcpy(s, "This is the running thread\n"); - _thread_sys_write(fd, s, strlen(s)); - } - /* Check if this is the initial thread: */ - if (pthread == _thread_initial) { - /* Output a record for the initial thread: */ - strcpy(s, "This is the initial thread\n"); - _thread_sys_write(fd, s, strlen(s)); - } - /* Process according to thread state: */ - switch (pthread->state) { - /* File descriptor read lock wait: */ - case PS_FDLR_WAIT: - case PS_FDLW_WAIT: - case PS_FDR_WAIT: - case PS_FDW_WAIT: - /* Write the lock details: */ - sprintf(s, "fd %d[%s:%d]", pthread->data.fd.fd, pthread->data.fd.fname, pthread->data.fd.branch); - _thread_sys_write(fd, s, strlen(s)); - sprintf(s, "owner %pr/%pw\n", _thread_fd_table[pthread->data.fd.fd]->r_owner, _thread_fd_table[pthread->data.fd.fd]->w_owner); - _thread_sys_write(fd, s, strlen(s)); - break; - - /* - * Trap other states that are not explicitly - * coded to dump information: - */ - default: - /* Nothing to do here. */ - break; - } - } - - /* Check if there are no dead threads: */ - if (_thread_dead == NULL) { - /* Output a record: */ - strcpy(s, "\n\nTHERE ARE NO DEAD THREADS\n"); - _thread_sys_write(fd, s, strlen(s)); - } else { - /* Output a header for dead threads: */ - strcpy(s, "\n\nDEAD THREADS\n\n"); - _thread_sys_write(fd, s, strlen(s)); - - /* - * Enter a loop to report each thread in the global - * dead thread list: - */ - for (pthread = _thread_dead; pthread != NULL; pthread = pthread->nxt) { - /* Output a record for the current thread: */ - sprintf(s, "Thread %p prio %3d [%s:%d]\n", pthread, pthread->pthread_priority,pthread->fname,pthread->lineno); - _thread_sys_write(fd, s, strlen(s)); - } - } - - /* Output a header for file descriptors: */ - strcpy(s, "\n\n=============\nFILE DESCRIPTOR TABLE\n\n"); - _thread_sys_write(fd, s, strlen(s)); - - /* Enter a loop to report file descriptor lock usage: */ - for (i = 0; i < _thread_dtablesize; i++) { - /* - * Check if memory is allocated for this file - * descriptor: - */ - if (_thread_fd_table[i] != NULL) { - /* Report the file descriptor lock status: */ - sprintf(s, "fd[%3d] read owner %p count %d [%s:%d]\n write owner %p count %d [%s:%d]\n", - i, - _thread_fd_table[i]->r_owner, - _thread_fd_table[i]->r_lockcount, - _thread_fd_table[i]->r_fname, - _thread_fd_table[i]->r_lineno, - _thread_fd_table[i]->w_owner, - _thread_fd_table[i]->w_lockcount, - _thread_fd_table[i]->w_fname, - _thread_fd_table[i]->w_lineno); - _thread_sys_write(fd, s, strlen(s)); - } - } - - /* Close the dump file: */ - _thread_sys_close(fd); - } - return; -} -#endif |