unix: stub file watcher implementation

The file watcher API has not been implemented on all Unices yet.
Provide stubs on those platforms so libuv at least compiles.

include/uv-private/uv-unix.h

@@ -46,6 +46,11 @@ typedef struct {
 
 typedef int uv_file;
 
+/* Stub. Remove it once all platforms support the file watcher API. */
+#ifndef UV_FS_EVENT_PRIVATE_FIELDS
+#define UV_FS_EVENT_PRIVATE_FIELDS /* empty */
+#endif
+
 #define UV_LOOP_PRIVATE_FIELDS \
   ares_channel channel; \
   /* \

src/unix/cygwin.c

@@ -20,8 +20,10 @@
 
 #include "uv.h"
 
+#include <assert.h>
 #include <stdint.h>
 #include <stddef.h>
+#include <errno.h>
 #include <time.h>
 
 #undef NANOSEC
@@ -50,3 +52,17 @@ int uv_exepath(char* buffer, size_t* size) {
   buffer[*size] = '\0';
   return 0;
 }
+
+
+int uv_fs_event_init(uv_loop_t* loop,
+                     uv_fs_event_t* handle,
+                     const char* filename,
+                     uv_fs_event_cb cb) {
+  uv_err_new(loop, ENOSYS);
+  return -1;
+}
+
+
+void uv__fs_event_destroy(uv_fs_event_t* handle) {
+  assert(0 && "implement me");
+}

src/unix/darwin.c

@@ -20,7 +20,10 @@
 
 #include "uv.h"
 
+#include <assert.h>
 #include <stdint.h>
+#include <errno.h>
+
 #include <CoreServices/CoreServices.h>
 #include <mach/mach.h>
 #include <mach/mach_time.h>
@@ -63,3 +66,17 @@ int uv_exepath(char* buffer, size_t* size) {
   *size = strlen(buffer);
   return 0;
 }
+
+
+int uv_fs_event_init(uv_loop_t* loop,
+                     uv_fs_event_t* handle,
+                     const char* filename,
+                     uv_fs_event_cb cb) {
+  uv_err_new(loop, ENOSYS);
+  return -1;
+}
+
+
+void uv__fs_event_destroy(uv_fs_event_t* handle) {
+  assert(0 && "implement me");
+}

src/unix/freebsd.c

@@ -20,15 +20,18 @@
 
 #include "uv.h"
 
+#include <assert.h>
 #include <string.h>
-#include <time.h>
+#include <errno.h>
 
 #include <sys/types.h>
 #include <sys/sysctl.h>
+#include <time.h>
 
 #undef NANOSEC
 #define NANOSEC 1000000000
 
+
 uint64_t uv_hrtime(void) {
   struct timespec ts;
   clock_gettime(CLOCK_MONOTONIC, &ts);
@@ -63,3 +66,17 @@ int uv_exepath(char* buffer, size_t* size) {
 
   return 0;
 }
+
+
+int uv_fs_event_init(uv_loop_t* loop,
+                     uv_fs_event_t* handle,
+                     const char* filename,
+                     uv_fs_event_cb cb) {
+  uv_err_new(loop, ENOSYS);
+  return -1;
+}
+
+
+void uv__fs_event_destroy(uv_fs_event_t* handle) {
+  assert(0 && "implement me");
+}

src/unix/netbsd.c

@@ -20,17 +20,20 @@
 
 #include "uv.h"
 
+#include <assert.h>
 #include <string.h>
-#include <time.h>
+#include <errno.h>
 
 #include <sys/types.h>
 #include <sys/sysctl.h>
 
 #include <unistd.h>
+#include <time.h>
 
 #undef NANOSEC
 #define NANOSEC 1000000000
 
+
 uint64_t uv_hrtime(void) {
   struct timespec ts;
   clock_gettime(CLOCK_MONOTONIC, &ts);
@@ -66,3 +69,17 @@ int uv_exepath(char* buffer, size_t* size) {
 
   return 0;
 }
+
+
+int uv_fs_event_init(uv_loop_t* loop,
+                     uv_fs_event_t* handle,
+                     const char* filename,
+                     uv_fs_event_cb cb) {
+  uv_err_new(loop, ENOSYS);
+  return -1;
+}
+
+
+void uv__fs_event_destroy(uv_fs_event_t* handle) {
+  assert(0 && "implement me");
+}

src/unix/sunos.c

@@ -22,8 +22,11 @@
 
 #include <stdio.h>
 #include <stdint.h>
-#include <unistd.h>
+#include <assert.h>
+#include <errno.h>
+
 #include <sys/time.h>
+#include <unistd.h>
 
 
 uint64_t uv_hrtime() {
@@ -58,3 +61,17 @@ int uv_exepath(char* buffer, size_t* size) {
   *size = res;
   return (0);
 }
+
+
+int uv_fs_event_init(uv_loop_t* loop,
+                     uv_fs_event_t* handle,
+                     const char* filename,
+                     uv_fs_event_cb cb) {
+  uv_err_new(loop, ENOSYS);
+  return -1;
+}
+
+
+void uv__fs_event_destroy(uv_fs_event_t* handle) {
+  assert(0 && "implement me");
+}