Add comment about pthread_self() cast.

diff --git a/src/interfaces/libpq/fe-secure.c b/src/interfaces/libpq/fe-secure.c
index c3cfe42ff32d9346ea818b23274c62ea1bb45438..4ef11616aeb3d1d2814e0b772f88031d9d1a98fd 100644 (file)
--- a/src/interfaces/libpq/fe-secure.c
+++ b/src/interfaces/libpq/fe-secure.c
@@ -11,7 +11,7 @@
  *
  *
  * IDENTIFICATION
- *   $PostgreSQL: pgsql/src/interfaces/libpq/fe-secure.c,v 1.70 2005/08/23 21:02:03 momjian Exp $
+ *   $PostgreSQL: pgsql/src/interfaces/libpq/fe-secure.c,v 1.71 2005/08/28 16:37:48 momjian Exp $
  *
  * NOTES
  *   [ Most of these notes are wrong/obsolete, but perhaps not all ]
@@ -880,6 +880,11 @@ client_cert_cb(SSL *ssl, X509 **x509, EVP_PKEY **pkey)
 static unsigned long
 pq_threadidcallback(void)
 {
+   /*
+    *  This is not starndard-compliant.  pthread_self() returns
+    *  pthread_t, and shouldn't be cast to unsigned long, but
+    *  CRYPTO_set_id_callback requires it, so we have to do it.
+    */
    return (unsigned long) pthread_self();
 }