Attempt to eliminate PLT relocations from rwlock aquire/release

path, making them suitable for direct use by the dynamic loader.

Register libpthread-specific locking API with rtld on startup.

This still has some rough edges with signals which should be
addresses later.

Approved by:	re (scottl)

1 files changed, 2 insertions, 6 deletions

diff --git a/lib/libpthread/thread/thr_exit.c b/lib/libpthread/thread/thr_exit.c
index 22f187b..6dbef07 100644
--- a/lib/libpthread/thread/thr_exit.c
+++ b/lib/libpthread/thread/thr_exit.c
@@ -47,16 +47,12 @@ __weak_reference(_pthread_exit, pthread_exit);
 void
 _thr_exit(char *fname, int lineno, char *msg)
 {
-	char s[256];
 
-	/* Prepare an error message string: */
-	snprintf(s, sizeof(s),
+	/* Write an error message to the standard error file descriptor: */
+	_thread_printf(2,
 	    "Fatal error '%s' at line %d in file %s (errno = %d)\n",
 	    msg, lineno, fname, errno);
 
-	/* Write the string to the standard error file descriptor: */
-	__sys_write(2, s, strlen(s));
-
 	abort();
 }