add symbols from POSIX.1b-1993

1 files changed, 24 insertions, 0 deletions

diff --git a/src/nonstd/__pthread_per_thread.c b/src/nonstd/__pthread_per_thread.c
new file mode 100644
index 00000000..0dff3999
--- /dev/null
+++ b/src/nonstd/__pthread_per_thread.c
@@ -0,0 +1,24 @@
+#include "pthread.h"
+
+static pthread_key_t __per_thread_key;
+
+static void __make_key(void)
+{
+	pthread_key_create(&key, NULL);
+}
+
+static struct per_thread *per_thread(void)
+{
+	static pthread_once_t key_once = PTHREAD_ONCE_INIT;
+	struct per_thread *pt;
+	pthread_once(&key_once, __make_key);
+	if ((pt = pthread_getspecific(key)) == NULL) {
+		pt = calloc(1, sizeof (*pt));
+		pthread_setspecific(key, pt);
+	}
+	return pt;
+}
+
+/*
+LINK(pthread)
+*/