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Diffstat (limited to 'lib/libpthread/thread/thr_info.c')
-rw-r--r--lib/libpthread/thread/thr_info.c237
1 files changed, 0 insertions, 237 deletions
diff --git a/lib/libpthread/thread/thr_info.c b/lib/libpthread/thread/thr_info.c
deleted file mode 100644
index f66dd2d6ddcf..000000000000
--- a/lib/libpthread/thread/thr_info.c
+++ /dev/null
@@ -1,237 +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 <stdio.h>
-#include <fcntl.h>
-#include <string.h>
-#include <unistd.h>
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include <errno.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 , "Waiting for write"},
- {PS_FILE_WAIT , "Waiting for FILE lock"},
- {PS_SELECT_WAIT , "Waiting on select"},
- {PS_SLEEP_WAIT , "Sleeping"},
- {PS_WAIT_WAIT , "Waiting process"},
- {PS_SIGSUSPEND , "Suspended, waiting for a signal"},
- {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[512];
- int fd;
- int i;
- int j;
- pthread_t pthread;
- char tmpfile[128];
-
- for (i = 0; i < 100000; i++) {
- snprintf(tmpfile, sizeof(tmpfile), "/tmp/uthread.dump.%u.%i",
- getpid(), i);
- /* Open the dump file for append and create it if necessary: */
- if ((fd = _thread_sys_open(tmpfile, O_RDWR | O_CREAT | O_EXCL,
- 0666)) < 0) {
- /* Can't open the dump file. */
- if (errno == EEXIST)
- continue;
- /*
- * We only need to continue in case of
- * EEXIT error. Most other error
- * codes means that we will fail all
- * the times.
- */
- return;
- } else {
- break;
- }
- }
- if (i==100000) {
- /* all 100000 possibilities are in use :( */
- return;
- } 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: */
- snprintf(s, sizeof(s),
- "--------------------\nThread %p (%s) prio %3d state %s [%s:%d]\n",
- pthread, (pthread->name == NULL) ?
- "":pthread->name, 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: */
- snprintf(s, sizeof(s), "fd %d[%s:%d]",
- pthread->data.fd.fd,
- pthread->data.fd.fname,
- pthread->data.fd.branch);
- _thread_sys_write(fd, s, strlen(s));
- snprintf(s, sizeof(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;
- case PS_SIGWAIT:
- snprintf(s, sizeof(s), "sigmask 0x%08lx\n",
- (unsigned long)pthread->sigmask);
- _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_dead) {
- /* Output a record for the current thread: */
- snprintf(s, sizeof(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: */
- snprintf(s, sizeof(s), "\n\n=============\nFILE DESCRIPTOR TABLE (table size %d)\n\n",_thread_dtablesize);
- _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: */
- snprintf(s, sizeof(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;
-}
-
-/* Set the thread name for debug: */
-void
-pthread_set_name_np(pthread_t thread, char *name)
-{
- /* Check if the caller has specified a valid thread: */
- if (thread != NULL && thread->magic == PTHREAD_MAGIC)
- thread->name = strdup(name);
- return;
-}
-#endif
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