Update.

[platform/upstream/glibc.git] / resolv / netdb.h

diff --git a/resolv/netdb.h b/resolv/netdb.h
index ae3f95a..79c147e 100644 (file)
--- a/resolv/netdb.h
+++ b/resolv/netdb.h
@@ -33,6 +33,11 @@
 # include <rpc/netdb.h>
 #endif
 
+#ifdef __USE_GNU
+# define __need_sigevent_t
+# include <bits/siginfo.h>
+#endif
+
 #include <bits/netdb.h>
 
 /* Absolute file name for network data base files.  */
@@ -412,23 +417,48 @@ struct addrinfo
   struct addrinfo *ai_next;    /* Pointer to next in list.  */
 };
 
+# ifdef __USE_GNU
+/* Structure used as control block for asynchronous lookup.  */
+struct gaicb
+{
+  const char *ar_name;         /* Name to look up.  */
+  const char *ar_service;      /* Service name.  */
+  const struct addrinfo *ar_request; /* Additional request specification.  */
+  struct addrinfo *ar_result;  /* Pointer to result.  */
+  /* The following are internal elements.  */
+  int __return;
+  int __unused[5];
+};
+
+/* Lookup mode.  */
+#  define GAI_WAIT     0
+#  define GAI_NOWAIT   1
+# endif
+
 /* Possible values for `ai_flags' field in `addrinfo' structure.  */
 # define AI_PASSIVE    0x0001  /* Socket address is intended for `bind'.  */
 # define AI_CANONNAME  0x0002  /* Request for canonical name.  */
 # define AI_NUMERICHOST        0x0004  /* Don't use name resolution.  */
 
 /* Error values for `getaddrinfo' function.  */
-# define EAI_BADFLAGS  -1      /* Invalid value for `ai_flags' field.  */
-# define EAI_NONAME    -2      /* NAME or SERVICE is unknown.  */
-# define EAI_AGAIN     -3      /* Temporary failure in name resolution.  */
-# define EAI_FAIL      -4      /* Non-recoverable failure in name res.  */
-# define EAI_NODATA    -5      /* No address associated with NAME.  */
-# define EAI_FAMILY    -6      /* `ai_family' not supported.  */
-# define EAI_SOCKTYPE  -7      /* `ai_socktype' not supported.  */
-# define EAI_SERVICE   -8      /* SERVICE not supported for `ai_socktype'.  */
-# define EAI_ADDRFAMILY        -9      /* Address family for NAME not supported.  */
-# define EAI_MEMORY    -10     /* Memory allocation failure.  */
-# define EAI_SYSTEM    -11     /* System error returned in `errno'.  */
+# define EAI_BADFLAGS    -1    /* Invalid value for `ai_flags' field.  */
+# define EAI_NONAME      -2    /* NAME or SERVICE is unknown.  */
+# define EAI_AGAIN       -3    /* Temporary failure in name resolution.  */
+# define EAI_FAIL        -4    /* Non-recoverable failure in name res.  */
+# define EAI_NODATA      -5    /* No address associated with NAME.  */
+# define EAI_FAMILY      -6    /* `ai_family' not supported.  */
+# define EAI_SOCKTYPE    -7    /* `ai_socktype' not supported.  */
+# define EAI_SERVICE     -8    /* SERVICE not supported for `ai_socktype'.  */
+# define EAI_ADDRFAMILY          -9    /* Address family for NAME not supported.  */
+# define EAI_MEMORY      -10   /* Memory allocation failure.  */
+# define EAI_SYSTEM      -11   /* System error returned in `errno'.  */
+# ifdef __USE_GNU
+#  define EAI_INPROGRESS  -100 /* Processing request in progress.  */
+#  define EAI_CANCELED   -101  /* Request canceled.  */
+#  define EAI_NOTCANCELED -102 /* Request not canceled.  */
+#  define EAI_ALLDONE    -103  /* All requests done.  */
+#  define EAI_INTR       -104  /* Interrupted by a signal.  */
+# endif
 
 # define NI_MAXHOST      1025
 # define NI_MAXSERV      32
@@ -458,6 +488,26 @@ extern int getnameinfo (__const struct sockaddr *__restrict __sa,
                        socklen_t __hostlen, char *__restrict __serv,
                        socklen_t __servlen, unsigned int __flags) __THROW;
 
+# ifdef __USE_GNU
+/* Enqueue ENT requests from the LIST.  If MODE is GAI_WAIT wait until all
+   requests are handled.  If WAIT is GAI_NOWAIT return immediately after
+   queueing the requests and signal completion according to SIG.  */
+extern int getaddrinfo_a (int __mode, struct gaicb *__list[__restrict_arr],
+                         int __ent, struct sigevent *__restrict __sig)
+     __THROW;
+
+/* Suspend execution of the thread until at least one of the ENT requests
+   in LIST is handled.  If TIMEOUT is not a null pointer it specifies the
+   longest time the function keeps waiting before returning with an error.  */
+extern int gai_suspend (__const struct gaicb *__const __list[], int __ent,
+                       const struct timespec *__timeout) __THROW;
+
+/* Get the error status of the request REQ.  */
+extern int gai_error (struct gaicb *__req) __THROW;
+
+/* Cancel the requests associated with GAICBP.  */
+extern int gai_cancel (struct gaicb *__gaicbp) __THROW;
+# endif        /* GNU */
 #endif /* POSIX */
 
 __END_DECLS