From d02099f2396a189ec56227b554b396178013d0b8 Mon Sep 17 00:00:00 2001
From: Corinna Vinschen <corinna@vinschen.de>
Date: Tue, 19 Apr 2005 08:32:59 +0000
Subject: [PATCH] 	* cygwin.din (pselect): Export. 	* select.cc
 (pselect): New function. 	* include/cygwin/version.h: Bump API minor
 number. 	* include/sys/select.h: Include signal.h.  Declare pselect.

---
 winsup/cygwin/ChangeLog                |  7 +++++++
 winsup/cygwin/cygwin.din               |  1 +
 winsup/cygwin/include/cygwin/version.h |  3 ++-
 winsup/cygwin/include/sys/select.h     |  6 ++++++
 winsup/cygwin/select.cc                | 28 ++++++++++++++++++++++++++
 5 files changed, 44 insertions(+), 1 deletion(-)

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index a1f575ab4..c5b5e6907 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,10 @@
+2005-04-19  Corinna Vinschen  <corinna@vinschen.de>
+
+	* cygwin.din (pselect): Export.
+	* select.cc (pselect): New function.
+	* include/cygwin/version.h: Bump API minor number.
+	* include/sys/select.h: Include signal.h.  Declare pselect.
+
 2005-04-18  Corinna Vinschen  <corinna@vinschen.de>
 
 	* fhandler.h (enum conn_state): Add connect_failed state.
diff --git a/winsup/cygwin/cygwin.din b/winsup/cygwin/cygwin.din
index a269d93bd..1bf663546 100644
--- a/winsup/cygwin/cygwin.din
+++ b/winsup/cygwin/cygwin.din
@@ -346,6 +346,7 @@ rexec = cygwin_rexec SIGFE
 rresvport = cygwin_rresvport SIGFE
 _select = cygwin_select SIGFE
 select = cygwin_select SIGFE
+pselect SIGFE
 send = cygwin_send SIGFE
 sendmsg = cygwin_sendmsg SIGFE
 sendto = cygwin_sendto SIGFE
diff --git a/winsup/cygwin/include/cygwin/version.h b/winsup/cygwin/include/cygwin/version.h
index f75f09cdf..ddb0de0ca 100644
--- a/winsup/cygwin/include/cygwin/version.h
+++ b/winsup/cygwin/include/cygwin/version.h
@@ -254,12 +254,13 @@ details. */
       125: LD_PRELOAD/CW_HOOK available.
       126: Export lsearch, lfind, timer_gettime.
       127: Export sigrelese.
+      128: Export pselect.
      */
 
      /* Note that we forgot to bump the api for ualarm, strtoll, strtoull */
 
 #define CYGWIN_VERSION_API_MAJOR 0
-#define CYGWIN_VERSION_API_MINOR 127
+#define CYGWIN_VERSION_API_MINOR 128
 
      /* There is also a compatibity version number associated with the
 	shared memory regions.  It is incremented when incompatible
diff --git a/winsup/cygwin/include/sys/select.h b/winsup/cygwin/include/sys/select.h
index 666a151eb..b0f328327 100644
--- a/winsup/cygwin/include/sys/select.h
+++ b/winsup/cygwin/include/sys/select.h
@@ -23,10 +23,16 @@ details. */
 #include <sys/time.h>
 #include <time.h>
 
+/* Get definition of sigset_t. */
+#include <signal.h>
+
 __BEGIN_DECLS
 
 int select __P ((int __n, fd_set *__readfds, fd_set *__writefds,
 		 fd_set *__exceptfds, struct timeval *__timeout));
+int pselect __P ((int __n, fd_set *__readfds, fd_set *__writefds,
+		  fd_set *__exceptfds, const struct timespec *__timeout,
+		  const sigset_t *__set));
 
 __END_DECLS
 
diff --git a/winsup/cygwin/select.cc b/winsup/cygwin/select.cc
index 2daa88a5f..4abc24985 100644
--- a/winsup/cygwin/select.cc
+++ b/winsup/cygwin/select.cc
@@ -36,6 +36,7 @@ details. */
 #include "fhandler.h"
 #include "dtable.h"
 #include "cygheap.h"
+#include "pinfo.h"
 #include "sigproc.h"
 #include "tty.h"
 #include "ntdll.h"
@@ -158,6 +159,33 @@ cygwin_select (int maxfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
   return timeout ? 0 : sel.poll (readfds, writefds, exceptfds);
 }
 
+extern "C" int
+pselect(int maxfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
+	const struct timespec *ts, const sigset_t *set)
+{
+  struct timeval tv;
+  sigset_t oldset = myself->getsigmask ();
+
+  if (ts)
+    {
+      if (check_invalid_read_struct_errno (ts))
+	return -1;
+      tv.tv_sec = ts->tv_sec;
+      tv.tv_usec = ts->tv_nsec / 1000;
+    }
+  if (set)
+    {
+      if (check_invalid_read_struct_errno (set))
+	return -1;
+      set_signal_mask (*set);
+    }
+  int ret = cygwin_select (maxfds, readfds, writefds, exceptfds,
+  			   ts ? &tv : NULL);
+  if (set)
+    set_signal_mask (oldset);
+  return ret;
+}
+
 /* Call cleanup functions for all inspected fds.  Gets rid of any
    executing threads. */
 void