applied patches by W.C.A. Wijngaards, changed env variable handling

[software/libev.git] / ev.c

diff --git a/ev.c b/ev.c
index 0ae34e8b3bd66cc1772e9c8750b8da659c4b8a1f..ce8987f39bbd3e4b702aad1e6411441dac325aec 100644 (file)
--- a/ev.c
+++ b/ev.c
@@ -49,7 +49,7 @@ extern "C" {
 #  define EV_USE_SELECT 1
 # endif
 
-# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) && !defined (__APPLE__)
+# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL)
 #  define EV_USE_POLL 1
 # endif
 
@@ -57,7 +57,7 @@ extern "C" {
 #  define EV_USE_EPOLL 1
 # endif
 
-# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) && !defined (__APPLE__)
+# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE)
 #  define EV_USE_KQUEUE 1
 # endif
 
@@ -122,6 +122,12 @@ extern "C" {
 
 /**/
 
+/* darwin simply cannot be helped */
+#ifdef __APPLE__
+# undef EV_USE_POLL
+# undef EV_USE_KQUEUE
+#endif
+
 #ifndef CLOCK_MONOTONIC
 # undef EV_USE_MONOTONIC
 # define EV_USE_MONOTONIC 0
@@ -306,7 +312,7 @@ ev_now (EV_P)
 }
 #endif
 
-#define array_roundsize(type,n) ((n) | 4 & ~3)
+#define array_roundsize(type,n) (((n) | 4) & ~3)
 
 #define array_needsize(type,base,cur,cnt,init)                 \
   if (expect_false ((cnt) > cur))                              \
@@ -749,7 +755,7 @@ ev_method (EV_P)
 }
 
 static void
-loop_init (EV_P_ int methods)
+loop_init (EV_P_ unsigned int flags)
 {
   if (!method)
     {
@@ -766,24 +772,24 @@ loop_init (EV_P_ int methods)
       now_floor = mn_now;
       rtmn_diff = ev_rt_now - mn_now;
 
-      if (methods == EVMETHOD_AUTO)
-        if (!enable_secure () && getenv ("LIBEV_METHODS"))
-          methods = atoi (getenv ("LIBEV_METHODS"));
-        else
-          methods = EVMETHOD_ANY;
+      if (!(flags & EVMETHOD_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
+        flags = atoi (getenv ("LIBEV_FLAGS"));
+
+      if (!(flags & 0x0000ffff))
+        flags |= 0x0000ffff;
 
       method = 0;
 #if EV_USE_KQUEUE
-      if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
+      if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
 #endif
 #if EV_USE_EPOLL
-      if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init  (EV_A_ methods);
+      if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init  (EV_A_ flags);
 #endif
 #if EV_USE_POLL
-      if (!method && (methods & EVMETHOD_POLL  )) method = poll_init   (EV_A_ methods);
+      if (!method && (flags & EVMETHOD_POLL  )) method = poll_init   (EV_A_ flags);
 #endif
 #if EV_USE_SELECT
-      if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
+      if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
 #endif
 
       ev_init (&sigev, sigcb);
@@ -855,13 +861,13 @@ loop_fork (EV_P)
 
 #if EV_MULTIPLICITY
 struct ev_loop *
-ev_loop_new (int methods)
+ev_loop_new (unsigned int flags)
 {
   struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
 
   memset (loop, 0, sizeof (struct ev_loop));
 
-  loop_init (EV_A_ methods);
+  loop_init (EV_A_ flags);
 
   if (ev_method (EV_A))
     return loop;
@@ -889,7 +895,7 @@ struct ev_loop *
 #else
 int
 #endif
-ev_default_loop (int methods)
+ev_default_loop (unsigned int methods)
 {
   if (sigpipe [0] == sigpipe [1])
     if (pipe (sigpipe))
@@ -1027,8 +1033,7 @@ periodics_reify (EV_P)
       /* first reschedule or stop timer */
       if (w->reschedule_cb)
         {
-          ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
-
+          ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
           assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
           downheap ((WT *)periodics, periodiccnt, 0);
         }