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fix kqueue can't add multi event onetime, modify struct event fromm freebsd11 to freebsd13.

This commit is contained in:
fengbojiang 2021-10-18 19:36:31 +08:00
parent 544273b7e7
commit 10c1fea85f
2 changed files with 102 additions and 21 deletions
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101
lib/ff_event.h
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@ -43,12 +43,30 @@ extern "C" {
#define EVFILT_PROC (-5) /* attached to struct proc */
#define EVFILT_SIGNAL (-6) /* attached to struct proc */
#define EVFILT_TIMER (-7) /* timers */
/* EVFILT_NETDEV (-8) no longer supported */
#define EVFILT_PROCDESC (-8) /* attached to process descriptors */
#define EVFILT_FS (-9) /* filesystem events */
#define EVFILT_LIO (-10) /* attached to lio requests */
#define EVFILT_USER (-11) /* User events */
#define EVFILT_SYSCOUNT 11
#define EVFILT_SENDFILE (-12) /* attached to sendfile requests */
#define EVFILT_EMPTY (-13) /* empty send socket buf */
#define EVFILT_SYSCOUNT 13
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
#define EV_SET(kevp_, a, b, c, d, e, f) do { \
*(kevp_) = (struct kevent){ \
.ident = (a), \
.filter = (b), \
.flags = (c), \
.fflags = (d), \
.data = (e), \
.udata = (f), \
.ext = {0}, \
}; \
} while(0)
#else /* Pre-C99 or not STDC (e.g., C++) */
/* The definition of the local variable kevp could possibly conflict
* with a user-defined value passed in parameters a-f.
*/
#define EV_SET(kevp_, a, b, c, d, e, f) do { \
struct kevent *kevp = (kevp_); \
(kevp)->ident = (a); \
@ -57,22 +75,70 @@ extern "C" {
(kevp)->fflags = (d); \
(kevp)->data = (e); \
(kevp)->udata = (f); \
(kevp)->ext[0] = 0; \
(kevp)->ext[1] = 0; \
(kevp)->ext[2] = 0; \
(kevp)->ext[3] = 0; \
} while(0)
#endif
struct kevent {
uintptr_t ident; /* identifier for this event */
__uintptr_t ident; /* identifier for this event */
short filter; /* filter for event */
unsigned short flags; /* action flags for kqueue */
unsigned int fflags; /* filter flag value */
__int64_t data; /* filter data value */
void *udata; /* opaque user data identifier */
__uint64_t ext[4]; /* extensions */
};
#if defined(_WANT_FREEBSD11_KEVENT)
/* Older structure used in FreeBSD 11.x and older. */
struct kevent_freebsd11 {
__uintptr_t ident; /* identifier for this event */
short filter; /* filter for event */
unsigned short flags;
unsigned int fflags;
__intptr_t data;
void *udata; /* opaque user data identifier */
};
#endif
#if defined(_WANT_KEVENT32) || (defined(_KERNEL) && defined(__LP64__))
struct kevent32 {
uint32_t ident; /* identifier for this event */
short filter; /* filter for event */
u_short flags;
u_int fflags;
intptr_t data;
void *udata; /* opaque user data identifier */
};
#ifndef __amd64__
uint32_t pad0;
#endif
uint32_t data1, data2;
uint32_t udata; /* opaque user data identifier */
#ifndef __amd64__
uint32_t pad1;
#endif
uint32_t ext64[8];
};
#ifdef _WANT_FREEBSD11_KEVENT
struct kevent32_freebsd11 {
u_int32_t ident; /* identifier for this event */
short filter; /* filter for event */
u_short flags;
u_int fflags;
int32_t data;
u_int32_t udata; /* opaque user data identifier */
};
#endif
#endif
/* actions */
#define EV_ADD 0x0001 /* add event to kq (implies enable) */
#define EV_DELETE 0x0002 /* delete event from kq */
#define EV_ENABLE 0x0004 /* enable event */
#define EV_DISABLE 0x0008 /* disable event (not reported) */
#define EV_FORCEONESHOT 0x0100 /* enable _ONESHOT and force trigger */
/* flags */
#define EV_ONESHOT 0x0010 /* only report one occurrence */
@ -83,6 +149,7 @@ struct kevent {
#define EV_SYSFLAGS 0xF000 /* reserved by system */
#define EV_DROP 0x1000 /* note should be dropped */
#define EV_FLAG1 0x2000 /* filter-specific flag */
#define EV_FLAG2 0x4000 /* filter-specific flag */
/* returned values */
#define EV_EOF 0x8000 /* EOF detected */
@ -111,6 +178,7 @@ struct kevent {
* data/hint flags for EVFILT_{READ|WRITE}, shared with userspace
*/
#define NOTE_LOWAT 0x0001 /* low water mark */
#define NOTE_FILE_POLL 0x0002 /* behave like poll() */
/*
* data/hint flags for EVFILT_VNODE, shared with userspace
@ -122,9 +190,15 @@ struct kevent {
#define NOTE_LINK 0x0010 /* link count changed */
#define NOTE_RENAME 0x0020 /* vnode was renamed */
#define NOTE_REVOKE 0x0040 /* vnode access was revoked */
#define NOTE_OPEN 0x0080 /* vnode was opened */
#define NOTE_CLOSE 0x0100 /* file closed, fd did not
allowed write */
#define NOTE_CLOSE_WRITE 0x0200 /* file closed, fd did allowed
write */
#define 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
*/
#define NOTE_EXIT 0x80000000 /* process exited */
#define NOTE_FORK 0x40000000 /* process forked */
@ -137,6 +211,13 @@ struct kevent {
#define NOTE_TRACKERR 0x00000002 /* could not track child */
#define NOTE_CHILD 0x00000004 /* am a child process */
/* additional flags for EVFILT_TIMER */
#define NOTE_SECONDS 0x00000001 /* data is seconds */
#define NOTE_MSECONDS 0x00000002 /* data is milliseconds */
#define NOTE_USECONDS 0x00000004 /* data is microseconds */
#define NOTE_NSECONDS 0x00000008 /* data is nanoseconds */
#define NOTE_ABSTIME 0x00000010 /* timeout is absolute */
struct knote;
SLIST_HEAD(klist, knote);
struct kqueue;
@ -145,9 +226,9 @@ struct knlist {
struct klist kl_list;
void (*kl_lock)(void *); /* lock function */
void (*kl_unlock)(void *);
void (*kl_assert_locked)(void *);
void (*kl_assert_unlocked)(void *);
void *kl_lockarg; /* argument passed to kl_lockf() */
void (*kl_assert_lock)(void *, int);
void *kl_lockarg; /* argument passed to lock functions */
int kl_autodestroy;
};
#endif