sync with FreeBSD (rwlock, gc thread, man pages)

add (broken) mips md stuff
fix some const warnings
add sigaltstack() stub
another hash at getting shlib auto-init to work (mips/elf and i386/a.out)

1 files changed, 29 insertions, 11 deletions

diff --git a/lib/libpthread/uthread/uthread_info.c b/lib/libpthread/uthread/uthread_info.c
index bd829e8be55..9db574e7521 100644
--- a/lib/libpthread/uthread/uthread_info.c
+++ b/lib/libpthread/uthread/uthread_info.c
@@ -57,6 +57,7 @@ static const struct s_thread_info thread_info[] = {
 	{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"},
@@ -67,7 +68,7 @@ static const struct s_thread_info thread_info[] = {
 void
 _thread_dump_info(void)
 {
-	char            s[128];
+	char            s[512];
 	int             fd;
 	int             i;
 	int             j;
@@ -85,14 +86,20 @@ _thread_dump_info(void)
 		_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) {
+		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++)
+			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 (%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);
+			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: */
@@ -115,13 +122,19 @@ _thread_dump_info(void)
 			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);
+				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));
-				sprintf(s, "owner %pr/%pw\n", _thread_fd_table[pthread->data.fd.fd]->r_owner, _thread_fd_table[pthread->data.fd.fd]->w_owner);
+				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:
-				sprintf(s, "sigmask 0x%08lx\n", (unsigned long)pthread->sigmask);
+				snprintf(s, sizeof(s), "sigmask 0x%08lx\n",
+				    (unsigned long)pthread->sigmask);
 				_thread_sys_write(fd, s, strlen(s));
 				break;
 
@@ -149,9 +162,13 @@ _thread_dump_info(void)
 			 * Enter a loop to report each thread in the global
 			 * dead thread list: 
 			 */
-			for (pthread = _thread_dead; pthread != NULL; pthread = pthread->nxt) {
+			for (pthread = _thread_dead; pthread != NULL;
+			    pthread = pthread->nxt_dead) {
 				/* Output a record for the current thread: */
-				sprintf(s, "Thread %p prio %3d [%s:%d]\n", pthread, pthread->pthread_priority,pthread->fname,pthread->lineno);
+				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));
 			}
 		}
@@ -168,7 +185,8 @@ _thread_dump_info(void)
 			 */
 			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",
+				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,