This patch make it possible to build the events library completely

standalone with no ties to internal samba4 functions
Samba4 itself just uses the plain library, compatibility glue is
in events_s4.c only
(This used to be commit 7109b6a5a19eb2dbef4259104858b171298bad6e)

1 files changed, 29 insertions, 73 deletions

diff --git a/source4/lib/events/events_util.c b/source4/lib/events/events_util.c
index 74e11473f3..93f6492560 100644
--- a/source4/lib/events/events_util.c
+++ b/source4/lib/events/events_util.c
@@ -20,6 +20,9 @@
 
 #include "replace.h"
 #include "talloc.h"
+#include "events.h"
+#include "events_internal.h"
+#include <fcntl.h>
 
 /**
   return the number of elements in a string list
@@ -34,7 +37,7 @@ static size_t str_list_length(const char **list)
 /**
   add an entry to a string list
 */
-const char **str_list_add(const char **list, const char *s)
+const char **ev_str_list_add(const char **list, const char *s)
 {
 	size_t len = str_list_length(list);
 	const char **ret;
@@ -50,80 +53,33 @@ const char **str_list_add(const char **list, const char *s)
 	return ret;
 }
 
-/**
-  compare two timeval structures. 
-  Return -1 if tv1 < tv2
-  Return 0 if tv1 == tv2
-  Return 1 if tv1 > tv2
-*/
-static int timeval_compare(const struct timeval *tv1, const struct timeval *tv2)
-{
-	if (tv1->tv_sec  > tv2->tv_sec)  return 1;
-	if (tv1->tv_sec  < tv2->tv_sec)  return -1;
-	if (tv1->tv_usec > tv2->tv_usec) return 1;
-	if (tv1->tv_usec < tv2->tv_usec) return -1;
-	return 0;
-}
 
 /**
-  return a zero timeval
-*/
-struct timeval timeval_zero(void)
-{
-	struct timeval tv;
-	tv.tv_sec = 0;
-	tv.tv_usec = 0;
-	return tv;
-}
+ Set a fd into blocking/nonblocking mode. Uses POSIX O_NONBLOCK if available,
+ else
+  if SYSV use O_NDELAY
+  if BSD use FNDELAY
+**/
 
-/**
-  return true if a timeval is zero
-*/
-bool timeval_is_zero(const struct timeval *tv)
+int ev_set_blocking(int fd, bool set)
 {
-	return tv->tv_sec == 0 && tv->tv_usec == 0;
+	int val;
+#ifdef O_NONBLOCK
+#define FLAG_TO_SET O_NONBLOCK
+#else
+#ifdef SYSV
+#define FLAG_TO_SET O_NDELAY
+#else /* BSD */
+#define FLAG_TO_SET FNDELAY
+#endif
+#endif
+
+	if((val = fcntl(fd, F_GETFL, 0)) == -1)
+		return -1;
+	if(set) /* Turn blocking on - ie. clear nonblock flag */
+		val &= ~FLAG_TO_SET;
+	else
+		val |= FLAG_TO_SET;
+	return fcntl( fd, F_SETFL, val);
+#undef FLAG_TO_SET
 }
-
-/**
-  return a timeval for the current time
-*/
-struct timeval timeval_current(void)
-{
-	struct timeval tv;
-	GetTimeOfDay(&tv);
-	return tv;
-}
-
-/**
-  return a timeval struct with the given elements
-*/
-struct timeval timeval_set(uint32_t secs, uint32_t usecs)
-{
-	struct timeval tv;
-	tv.tv_sec = secs;
-	tv.tv_usec = usecs;
-	return tv;
-}
-
-/**
-  return the difference between two timevals as a timeval
-  if tv1 comes after tv2, then return a zero timeval
-  (this is *tv2 - *tv1)
-*/
-struct timeval timeval_until(const struct timeval *tv1,
-			     const struct timeval *tv2)
-{
-	struct timeval t;
-	if (timeval_compare(tv1, tv2) >= 0) {
-		return timeval_zero();
-	}
-	t.tv_sec = tv2->tv_sec - tv1->tv_sec;
-	if (tv1->tv_usec > tv2->tv_usec) {
-		t.tv_sec--;
-		t.tv_usec = 1000000 - (tv1->tv_usec - tv2->tv_usec);
-	} else {
-		t.tv_usec = tv2->tv_usec - tv1->tv_usec;
-	}
-	return t;
-}
-