Fixed compilation with -Wmissing-prototypes.

src/event/modules/ngx_epoll_module.c

diff --git a/src/event/modules/ngx_epoll_module.c b/src/event/modules/ngx_epoll_module.c
index a733949..ee77d8e 100644
--- a/src/event/modules/ngx_epoll_module.c
+++ b/src/event/modules/ngx_epoll_module.c
@@ -44,16 +44,25 @@
     epoll_data_t  data;
 };
 
+
+int epoll_create(int size);
+
 int epoll_create(int size)
 {
     return -1;
 }
 
+
+int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event);
+
 int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event)
 {
     return -1;
 }
 
+
+int epoll_wait(int epfd, struct epoll_event *events, int nevents, int timeout);
+
 int epoll_wait(int epfd, struct epoll_event *events, int nevents, int timeout)
 {
     return -1;
@@ -76,11 +85,6 @@
 };
 
 
-int eventfd(u_int initval)
-{
-    return -1;
-}
-
 #endif
 #endif
 

src/event/modules/ngx_eventport_module.c

diff --git a/src/event/modules/ngx_eventport_module.c b/src/event/modules/ngx_eventport_module.c
index bbcd6dd..d6dcb0b 100644
--- a/src/event/modules/ngx_eventport_module.c
+++ b/src/event/modules/ngx_eventport_module.c
@@ -15,6 +15,12 @@
 #define ushort_t  u_short
 #define uint_t    u_int
 
+#ifndef CLOCK_REALTIME
+#define CLOCK_REALTIME          0
+typedef int     clockid_t;
+typedef void *  timer_t;
+#endif
+
 /* Solaris declarations */
 
 #define PORT_SOURCE_AIO         1
@@ -24,7 +30,9 @@
 #define PORT_SOURCE_ALERT       5
 #define PORT_SOURCE_MQ          6
 
+#ifndef ETIME
 #define ETIME                   64
+#endif
 
 #define SIGEV_PORT              4
 
@@ -50,39 +58,62 @@
 
 #endif
 
+int port_create(void);
+
 int port_create(void)
 {
     return -1;
 }
 
+
+int port_associate(int port, int source, uintptr_t object, int events,
+    void *user);
+
 int port_associate(int port, int source, uintptr_t object, int events,
     void *user)
 {
     return -1;
 }
 
+
+int port_dissociate(int port, int source, uintptr_t object);
+
 int port_dissociate(int port, int source, uintptr_t object)
 {
     return -1;
 }
 
+
+int port_getn(int port, port_event_t list[], uint_t max, uint_t *nget,
+    struct timespec *timeout);
+
 int port_getn(int port, port_event_t list[], uint_t max, uint_t *nget,
     struct timespec *timeout)
 {
     return -1;
 }
 
+
+int timer_create(clockid_t clock_id, struct sigevent *evp, timer_t *timerid);
+
 int timer_create(clockid_t clock_id, struct sigevent *evp, timer_t *timerid)
 {
     return -1;
 }
 
+
+int timer_settime(timer_t timerid, int flags, const struct itimerspec *value,
+    struct itimerspec *ovalue);
+
 int timer_settime(timer_t timerid, int flags, const struct itimerspec *value,
     struct itimerspec *ovalue)
 {
     return -1;
 }
 
+
+int timer_delete(timer_t timerid);
+
 int timer_delete(timer_t timerid)
 {
     return -1;

src/event/modules/ngx_rtsig_module.c

diff --git a/src/event/modules/ngx_rtsig_module.c b/src/event/modules/ngx_rtsig_module.c
index 2f0f997..b36230c 100644
--- a/src/event/modules/ngx_rtsig_module.c
+++ b/src/event/modules/ngx_rtsig_module.c
@@ -12,6 +12,13 @@
 
 #if (NGX_TEST_BUILD_RTSIG)
 
+#if (NGX_DARWIN)
+
+#define SIGRTMIN       33
+#define si_fd          __pad[0]
+
+#else
+
 #ifdef  SIGRTMIN
 #define si_fd          _reason.__spare__.__spare2__[0]
 #else
@@ -19,11 +26,16 @@
 #define si_fd          __spare__[0]
 #endif
 
+#endif
+
 #define F_SETSIG       10
 #define KERN_RTSIGNR   30
 #define KERN_RTSIGMAX  31
 
 int sigtimedwait(const sigset_t *set, siginfo_t *info,
+                 const struct timespec *timeout);
+
+int sigtimedwait(const sigset_t *set, siginfo_t *info,
                  const struct timespec *timeout)
 {
     return -1;

src/event/ngx_event.c

diff --git a/src/event/ngx_event.c b/src/event/ngx_event.c
index c584dd8..2120ed7 100644
--- a/src/event/ngx_event.c
+++ b/src/event/ngx_event.c
@@ -567,7 +567,7 @@
 
 #if !(NGX_WIN32)
 
-void
+static void
 ngx_timer_signal_handler(int signo)
 {
     ngx_event_timer_alarm = 1;