X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fthread%2Fpthread_self.c;h=c3d1be78be66b62101dfcfba8a0cc8dc101800ca;hp=686d73d598faa52b4c63507dd16221c79f6ba574;hb=aa398f56fa398f2202b04e82c67f822f3233786f;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01

diff --git a/src/thread/pthread_self.c b/src/thread/pthread_self.c
index 686d73d5..c3d1be78 100644
--- a/src/thread/pthread_self.c
+++ b/src/thread/pthread_self.c
@@ -2,30 +2,35 @@
 
 static struct pthread main_thread;
 
+/* pthread_key_create.c overrides this */
+static const size_t dummy = 0;
+weak_alias(dummy, __pthread_tsd_size);
+
 #undef errno
 static int *errno_location()
 {
-	return pthread_self()->errno_ptr;
+	return __pthread_self()->errno_ptr;
 }
 
 static int init_main_thread()
 {
-	main_thread.tlsdesc[0] = -1;
-	main_thread.tlsdesc[1] = (long)&main_thread;
-	main_thread.tlsdesc[2] = SIZE_MAX/PAGE_SIZE;
-	main_thread.tlsdesc[3] = 0x51;
+	void *tsd = 0;
+	if (__pthread_tsd_size) {
+		tsd = mmap(0, __pthread_tsd_size, PROT_READ|PROT_WRITE,
+			MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
+		if (tsd == MAP_FAILED) return -1;
+	}
+	main_thread.tsd = tsd;
 	main_thread.self = &main_thread;
-	main_thread.errno_ptr = __errno_location();
-	if (__set_thread_area(main_thread.tlsdesc) < 0)
+	if (__set_thread_area(&main_thread) < 0)
 		return -1;
-	syscall1(__NR_set_tid_address, (long)&main_thread.tid);
+	main_thread.errno_ptr = __errno_location();
 	libc.errno_location = errno_location;
-	main_thread.tid = main_thread.pid = getpid();
+	main_thread.tid = main_thread.pid = 
+		syscall(SYS_set_tid_address, &main_thread.tid);
 	return 0;
 }
 
-#undef pthread_self
-
 pthread_t pthread_self()
 {
 	static int init, failed;