Merge pull request #1809 from Calrama/freebsd

Update core.sys.freebsd.sys.event
merged-on-behalf-of: Martin Nowak <code@dawg.eu>

Author: dlang-bot

src/core/sys/freebsd/sys/event.d

@@ -15,6 +15,8 @@ module core.sys.freebsd.sys.event;
 
 version (FreeBSD):
 extern (C):
+nothrow:
+@nogc:
 
 import core.stdc.stdint;    // intptr_t, uintptr_t
 import core.sys.posix.time; // timespec
@@ -28,10 +30,11 @@ enum
     EVFILT_PROC     =  -5, /* attached to struct proc */
     EVFILT_SIGNAL   =  -6, /* attached to struct proc */
     EVFILT_TIMER    =  -7, /* timers */
-    // EVFILT_NETDEV   =  -8, /* no longer supported */
+    EVFILT_PROCDESC =  -8, /* attached to process descriptors */
     EVFILT_FS       =  -9, /* filesystem events */
     EVFILT_LIO      = -10, /* attached to lio requests */
     EVFILT_USER     = -11, /* User events */
+    EVFILT_SENDFILE = -12, /* attached to sendfile requests */
     EVFILT_SYSCOUNT =  11,
 }
 
@@ -53,23 +56,26 @@ struct kevent_t
 enum
 {
     /* actions */
-    EV_ADD      = 0x0001, /* add event to kq (implies enable) */
-    EV_DELETE   = 0x0002, /* delete event from kq */
-    EV_ENABLE   = 0x0004, /* enable event */
-    EV_DISABLE  = 0x0008, /* disable event (not reported) */
+    EV_ADD          = 0x0001, /* add event to kq (implies enable) */
+    EV_DELETE       = 0x0002, /* delete event from kq */
+    EV_ENABLE       = 0x0004, /* enable event */
+    EV_DISABLE      = 0x0008, /* disable event (not reported) */
+    EV_FORCEONESHOT = 0x0100,          /* enable _ONESHOT and force trigger */
 
     /* flags */
-    EV_ONESHOT  = 0x0010, /* only report one occurrence */
-    EV_CLEAR    = 0x0020, /* clear event state after reporting */
-    EV_RECEIPT  = 0x0040, /* force EV_ERROR on success, data=0 */
-    EV_DISPATCH = 0x0080, /* disable event after reporting */
+    EV_ONESHOT      = 0x0010, /* only report one occurrence */
+    EV_CLEAR        = 0x0020, /* clear event state after reporting */
+    EV_RECEIPT      = 0x0040, /* force EV_ERROR on success, data=0 */
+    EV_DISPATCH     = 0x0080, /* disable event after reporting */
 
-    EV_SYSFLAGS = 0xF000, /* reserved by system */
-    EV_FLAG1    = 0x2000, /* filter-specific flag */
+    EV_SYSFLAGS     = 0xF000, /* reserved by system */
+    EV_DROP         = 0x1000, /* note should be dropped */
+    EV_FLAG1        = 0x2000, /* filter-specific flag */
+    EV_FLAG2        = 0x4000, /* filter-specific flag */
 
     /* returned values */
-    EV_EOF      = 0x8000, /* EOF detected */
-    EV_ERROR    = 0x4000, /* error, data contains errno */
+    EV_EOF          = 0x8000, /* EOF detected */
+    EV_ERROR        = 0x4000, /* error, data contains errno */
 }
 
 enum
@@ -97,6 +103,7 @@ enum
      * data/hint flags for EVFILT_{READ|WRITE}, shared with userspace
      */
     NOTE_LOWAT      = 0x0001, /* low water mark */
+    NOTE_FILE_POLL  = 0x0002, /* behave like poll() */
 
     /*
      * data/hint flags for EVFILT_VNODE, shared with userspace
@@ -108,9 +115,15 @@ enum
     NOTE_LINK       = 0x0010, /* link count changed */
     NOTE_RENAME     = 0x0020, /* vnode was renamed */
     NOTE_REVOKE     = 0x0040, /* vnode access was revoked */
+    NOTE_OPEN       = 0x0080, /* vnode was opened */
+    NOTE_CLOSE      = 0x0100, /* file closed, fd did not
+                                 allowed write */
+    NOTE_CLOSE_WRITE = 0x0200, /* file closed, fd did allowed
+                                  write */
+    NOTE_READ       = 0x0400, /* file was read */
 
     /*
-     * data/hint flags for EVFILT_PROC, shared with userspace
+     * data/hint flags for EVFILT_PROC and EVFILT_PROCDESC, shared with userspace
      */
     NOTE_EXIT       = 0x80000000, /* process exited */
     NOTE_FORK       = 0x40000000, /* process forked */
@@ -122,6 +135,12 @@ enum
     NOTE_TRACK      = 0x00000001, /* follow across forks */
     NOTE_TRACKERR   = 0x00000002, /* could not track child */
     NOTE_CHILD      = 0x00000004, /* am a child process */
+
+    /* additional flags for EVFILT_TIMER */
+    NOTE_SECONDS    = 0x00000001, /* data is seconds */
+    NOTE_MSECONDS   = 0x00000002, /* data is milliseconds */
+    NOTE_USECONDS   = 0x00000004, /* data is microseconds */
+    NOTE_NSECONDS   = 0x00000008, /* data is nanoseconds */
 }
 
 int kqueue();