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-rw-r--r--lib/tevent/tevent_aio.c48
-rw-r--r--lib/tevent/tevent_epoll.c47
-rw-r--r--lib/tevent/tevent_fd.c43
-rw-r--r--lib/tevent/tevent_internal.h12
-rw-r--r--lib/tevent/tevent_select.c55
-rw-r--r--lib/tevent/tevent_standard.c53
6 files changed, 116 insertions, 142 deletions
diff --git a/lib/tevent/tevent_aio.c b/lib/tevent/tevent_aio.c
index 28134bef5e..330794f8c5 100644
--- a/lib/tevent/tevent_aio.c
+++ b/lib/tevent/tevent_aio.c
@@ -47,12 +47,6 @@ struct aio_event_context {
/* a pointer back to the generic event_context */
struct tevent_context *ev;
- /* list of filedescriptor events */
- struct tevent_fd *fd_events;
-
- /* number of registered fd event handlers */
- int num_fd_events;
-
uint32_t destruction_count;
io_context_t ioctx;
@@ -118,7 +112,7 @@ static void epoll_check_reopen(struct aio_event_context *aio_ev)
return;
}
aio_ev->pid = getpid();
- for (fde=aio_ev->fd_events;fde;fde=fde->next) {
+ for (fde=aio_ev->ev->fd_events;fde;fde=fde->next) {
epoll_add_event(aio_ev, fde);
}
}
@@ -159,8 +153,6 @@ static void epoll_del_event(struct aio_event_context *aio_ev, struct tevent_fd *
{
struct epoll_event event;
- DLIST_REMOVE(aio_ev->fd_events, fde);
-
if (aio_ev->epoll_fd == -1) return;
fde->additional_flags &= ~EPOLL_ADDITIONAL_FD_FLAG_REPORT_ERROR;
@@ -219,7 +211,6 @@ static void epoll_change_event(struct aio_event_context *aio_ev, struct tevent_f
/* there's no aio_event attached to the fde */
if (want_read || (want_write && !got_error)) {
- DLIST_ADD(aio_ev->fd_events, fde);
epoll_add_event(aio_ev, fde);
return;
}
@@ -389,22 +380,20 @@ static int aio_event_context_init(struct tevent_context *ev)
static int aio_event_fd_destructor(struct tevent_fd *fde)
{
struct tevent_context *ev = fde->event_ctx;
- struct aio_event_context *aio_ev = talloc_get_type(ev->additional_data,
- struct aio_event_context);
+ struct aio_event_context *aio_ev = NULL;
- epoll_check_reopen(aio_ev);
+ if (ev) {
+ aio_ev = talloc_get_type(ev->additional_data,
+ struct aio_event_context);
- aio_ev->num_fd_events--;
- aio_ev->destruction_count++;
+ epoll_check_reopen(aio_ev);
- epoll_del_event(aio_ev, fde);
+ aio_ev->destruction_count++;
- if (fde->close_fn) {
- fde->close_fn(ev, fde, fde->fd, fde->private_data);
- fde->fd = -1;
+ epoll_del_event(aio_ev, fde);
}
- return 0;
+ return tevent_common_fd_destructor(fde);
}
/*
@@ -424,24 +413,13 @@ static struct tevent_fd *aio_event_add_fd(struct tevent_context *ev, TALLOC_CTX
epoll_check_reopen(aio_ev);
- fde = talloc(mem_ctx?mem_ctx:ev, struct tevent_fd);
+ fde = tevent_common_add_fd(ev, mem_ctx, fd, flags,
+ handler, private_data,
+ handler_name, location);
if (!fde) return NULL;
- fde->event_ctx = ev;
- fde->fd = fd;
- fde->flags = flags;
- fde->handler = handler;
- fde->close_fn = NULL;
- fde->private_data = private_data;
- fde->handler_name = handler_name;
- fde->location = location;
- fde->additional_flags = 0;
- fde->additional_data = NULL;
-
- aio_ev->num_fd_events++;
talloc_set_destructor(fde, aio_event_fd_destructor);
- DLIST_ADD(aio_ev->fd_events, fde);
epoll_add_event(aio_ev, fde);
return fde;
@@ -493,7 +471,7 @@ static int aio_event_loop_wait(struct tevent_context *ev)
{
struct aio_event_context *aio_ev = talloc_get_type(ev->additional_data,
struct aio_event_context);
- while (aio_ev->num_fd_events) {
+ while (aio_ev->ev->fd_events) {
if (aio_event_loop_once(ev) != 0) {
break;
}
diff --git a/lib/tevent/tevent_epoll.c b/lib/tevent/tevent_epoll.c
index 9dc6e8ba5e..b90e4c757e 100644
--- a/lib/tevent/tevent_epoll.c
+++ b/lib/tevent/tevent_epoll.c
@@ -31,12 +31,6 @@ struct epoll_event_context {
/* a pointer back to the generic event_context */
struct tevent_context *ev;
- /* list of filedescriptor events */
- struct tevent_fd *fd_events;
-
- /* number of registered fd event handlers */
- int num_fd_events;
-
/* this is changed by the destructors for the fd event
type. It is used to detect event destruction by event
handlers, which means the code that is calling the event
@@ -120,7 +114,7 @@ static void epoll_check_reopen(struct epoll_event_context *epoll_ev)
return;
}
epoll_ev->pid = getpid();
- for (fde=epoll_ev->fd_events;fde;fde=fde->next) {
+ for (fde=epoll_ev->ev->fd_events;fde;fde=fde->next) {
epoll_add_event(epoll_ev, fde);
}
}
@@ -345,24 +339,20 @@ static int epoll_event_context_init(struct tevent_context *ev)
static int epoll_event_fd_destructor(struct tevent_fd *fde)
{
struct tevent_context *ev = fde->event_ctx;
- struct epoll_event_context *epoll_ev = talloc_get_type(ev->additional_data,
- struct epoll_event_context);
+ struct epoll_event_context *epoll_ev = NULL;
- epoll_check_reopen(epoll_ev);
+ if (ev) {
+ epoll_ev = talloc_get_type(ev->additional_data,
+ struct epoll_event_context);
- epoll_ev->num_fd_events--;
- epoll_ev->destruction_count++;
+ epoll_check_reopen(epoll_ev);
- DLIST_REMOVE(epoll_ev->fd_events, fde);
-
- epoll_del_event(epoll_ev, fde);
+ epoll_ev->destruction_count++;
- if (fde->close_fn) {
- fde->close_fn(ev, fde, fde->fd, fde->private_data);
- fde->fd = -1;
+ epoll_del_event(epoll_ev, fde);
}
- return 0;
+ return tevent_common_fd_destructor(fde);
}
/*
@@ -382,24 +372,13 @@ static struct tevent_fd *epoll_event_add_fd(struct tevent_context *ev, TALLOC_CT
epoll_check_reopen(epoll_ev);
- fde = talloc(mem_ctx?mem_ctx:ev, struct tevent_fd);
+ fde = tevent_common_add_fd(ev, mem_ctx, fd, flags,
+ handler, private_data,
+ handler_name, location);
if (!fde) return NULL;
- fde->event_ctx = ev;
- fde->fd = fd;
- fde->flags = flags;
- fde->handler = handler;
- fde->close_fn = NULL;
- fde->private_data = private_data;
- fde->handler_name = handler_name;
- fde->location = location;
- fde->additional_flags = 0;
- fde->additional_data = NULL;
-
- epoll_ev->num_fd_events++;
talloc_set_destructor(fde, epoll_event_fd_destructor);
- DLIST_ADD(epoll_ev->fd_events, fde);
epoll_add_event(epoll_ev, fde);
return fde;
@@ -451,7 +430,7 @@ static int epoll_event_loop_wait(struct tevent_context *ev)
{
struct epoll_event_context *epoll_ev = talloc_get_type(ev->additional_data,
struct epoll_event_context);
- while (epoll_ev->num_fd_events) {
+ while (epoll_ev->ev->fd_events) {
if (epoll_event_loop_once(ev) != 0) {
break;
}
diff --git a/lib/tevent/tevent_fd.c b/lib/tevent/tevent_fd.c
index d450e2168d..acba2c7712 100644
--- a/lib/tevent/tevent_fd.c
+++ b/lib/tevent/tevent_fd.c
@@ -24,6 +24,49 @@
#include "tevent_internal.h"
#include "tevent_util.h"
+int tevent_common_fd_destructor(struct tevent_fd *fde)
+{
+ if (fde->event_ctx) {
+ DLIST_REMOVE(fde->event_ctx->fd_events, fde);
+ }
+
+ if (fde->close_fn) {
+ fde->close_fn(fde->event_ctx, fde, fde->fd, fde->private_data);
+ fde->fd = -1;
+ }
+
+ return 0;
+}
+
+struct tevent_fd *tevent_common_add_fd(struct tevent_context *ev, TALLOC_CTX *mem_ctx,
+ int fd, uint16_t flags,
+ tevent_fd_handler_t handler,
+ void *private_data,
+ const char *handler_name,
+ const char *location)
+{
+ struct tevent_fd *fde;
+
+ fde = talloc(mem_ctx?mem_ctx:ev, struct tevent_fd);
+ if (!fde) return NULL;
+
+ fde->event_ctx = ev;
+ fde->fd = fd;
+ fde->flags = flags;
+ fde->handler = handler;
+ fde->close_fn = NULL;
+ fde->private_data = private_data;
+ fde->handler_name = handler_name;
+ fde->location = location;
+ fde->additional_flags = 0;
+ fde->additional_data = NULL;
+
+ DLIST_ADD(ev->fd_events, fde);
+
+ talloc_set_destructor(fde, tevent_common_fd_destructor);
+
+ return fde;
+}
uint16_t tevent_common_fd_get_flags(struct tevent_fd *fde)
{
return fde->flags;
diff --git a/lib/tevent/tevent_internal.h b/lib/tevent/tevent_internal.h
index e090ee2bb1..f58bb90816 100644
--- a/lib/tevent/tevent_internal.h
+++ b/lib/tevent/tevent_internal.h
@@ -130,6 +130,9 @@ struct tevent_context {
/* the specific events implementation */
const struct tevent_ops *ops;
+ /* list of fd events - used by common code */
+ struct tevent_fd *fd_events;
+
/* list of timed events - used by common code */
struct tevent_timer *timer_events;
@@ -149,6 +152,15 @@ struct tevent_context {
bool tevent_register_backend(const char *name, const struct tevent_ops *ops);
+int tevent_common_fd_destructor(struct tevent_fd *fde);
+struct tevent_fd *tevent_common_add_fd(struct tevent_context *ev,
+ TALLOC_CTX *mem_ctx,
+ int fd,
+ uint16_t flags,
+ tevent_fd_handler_t handler,
+ void *private_data,
+ const char *handler_name,
+ const char *location);
void tevent_common_fd_set_close_fn(struct tevent_fd *fde,
tevent_fd_close_fn_t close_fn);
uint16_t tevent_common_fd_get_flags(struct tevent_fd *fde);
diff --git a/lib/tevent/tevent_select.c b/lib/tevent/tevent_select.c
index c1b01bb84f..64f2dd24f2 100644
--- a/lib/tevent/tevent_select.c
+++ b/lib/tevent/tevent_select.c
@@ -18,11 +18,6 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-/*
- This is SAMBA's default event loop code
-
-*/
-
#include "replace.h"
#include "system/filesys.h"
#include "system/select.h"
@@ -34,12 +29,6 @@ struct select_event_context {
/* a pointer back to the generic event_context */
struct tevent_context *ev;
- /* list of filedescriptor events */
- struct tevent_fd *fd_events;
-
- /* list of timed events */
- struct tevent_timer *timed_events;
-
/* the maximum file descriptor number in fd_events */
int maxfd;
@@ -74,7 +63,7 @@ static void calc_maxfd(struct select_event_context *select_ev)
struct tevent_fd *fde;
select_ev->maxfd = 0;
- for (fde = select_ev->fd_events; fde; fde = fde->next) {
+ for (fde = select_ev->ev->fd_events; fde; fde = fde->next) {
if (fde->fd > select_ev->maxfd) {
select_ev->maxfd = fde->fd;
}
@@ -93,22 +82,20 @@ static void calc_maxfd(struct select_event_context *select_ev)
static int select_event_fd_destructor(struct tevent_fd *fde)
{
struct tevent_context *ev = fde->event_ctx;
- struct select_event_context *select_ev = talloc_get_type(ev->additional_data,
- struct select_event_context);
+ struct select_event_context *select_ev = NULL;
- if (select_ev->maxfd == fde->fd) {
- select_ev->maxfd = EVENT_INVALID_MAXFD;
- }
+ if (ev) {
+ select_ev = talloc_get_type(ev->additional_data,
+ struct select_event_context);
- DLIST_REMOVE(select_ev->fd_events, fde);
- select_ev->destruction_count++;
+ if (select_ev->maxfd == fde->fd) {
+ select_ev->maxfd = EVENT_INVALID_MAXFD;
+ }
- if (fde->close_fn) {
- fde->close_fn(ev, fde, fde->fd, fde->private_data);
- fde->fd = -1;
+ select_ev->destruction_count++;
}
- return 0;
+ return tevent_common_fd_destructor(fde);
}
/*
@@ -126,21 +113,11 @@ static struct tevent_fd *select_event_add_fd(struct tevent_context *ev, TALLOC_C
struct select_event_context);
struct tevent_fd *fde;
- fde = talloc(mem_ctx?mem_ctx:ev, struct tevent_fd);
+ fde = tevent_common_add_fd(ev, mem_ctx, fd, flags,
+ handler, private_data,
+ handler_name, location);
if (!fde) return NULL;
- fde->event_ctx = ev;
- fde->fd = fd;
- fde->flags = flags;
- fde->handler = handler;
- fde->close_fn = NULL;
- fde->private_data = private_data;
- fde->handler_name = handler_name;
- fde->location = location;
- fde->additional_flags = 0;
- fde->additional_data = NULL;
-
- DLIST_ADD(select_ev->fd_events, fde);
if (fde->fd > select_ev->maxfd) {
select_ev->maxfd = fde->fd;
}
@@ -168,7 +145,7 @@ static int select_event_loop_select(struct select_event_context *select_ev, stru
FD_ZERO(&w_fds);
/* setup any fd events */
- for (fde = select_ev->fd_events; fde; fde = fde->next) {
+ for (fde = select_ev->ev->fd_events; fde; fde = fde->next) {
if (fde->flags & TEVENT_FD_READ) {
FD_SET(fde->fd, &r_fds);
}
@@ -212,7 +189,7 @@ static int select_event_loop_select(struct select_event_context *select_ev, stru
/* at least one file descriptor is ready - check
which ones and call the handler, being careful to allow
the handler to remove itself when called */
- for (fde = select_ev->fd_events; fde; fde = fde->next) {
+ for (fde = select_ev->ev->fd_events; fde; fde = fde->next) {
uint16_t flags = 0;
if (FD_ISSET(fde->fd, &r_fds)) flags |= TEVENT_FD_READ;
@@ -255,7 +232,7 @@ static int select_event_loop_wait(struct tevent_context *ev)
struct select_event_context);
select_ev->exit_code = 0;
- while (select_ev->fd_events && select_ev->exit_code == 0) {
+ while (ev->fd_events && select_ev->exit_code == 0) {
if (select_event_loop_once(ev) != 0) {
break;
}
diff --git a/lib/tevent/tevent_standard.c b/lib/tevent/tevent_standard.c
index 2d8a2305d9..ee93991def 100644
--- a/lib/tevent/tevent_standard.c
+++ b/lib/tevent/tevent_standard.c
@@ -38,9 +38,6 @@ struct std_event_context {
/* a pointer back to the generic event_context */
struct tevent_context *ev;
- /* list of filedescriptor events */
- struct tevent_fd *fd_events;
-
/* the maximum file descriptor number in fd_events */
int maxfd;
@@ -134,7 +131,7 @@ static void epoll_check_reopen(struct std_event_context *std_ev)
return;
}
std_ev->pid = getpid();
- for (fde=std_ev->fd_events;fde;fde=fde->next) {
+ for (fde=std_ev->ev->fd_events;fde;fde=fde->next) {
epoll_add_event(std_ev, fde);
}
}
@@ -358,7 +355,7 @@ static void calc_maxfd(struct std_event_context *std_ev)
struct tevent_fd *fde;
std_ev->maxfd = 0;
- for (fde = std_ev->fd_events; fde; fde = fde->next) {
+ for (fde = std_ev->ev->fd_events; fde; fde = fde->next) {
if (fde->fd > std_ev->maxfd) {
std_ev->maxfd = fde->fd;
}
@@ -377,26 +374,24 @@ static void calc_maxfd(struct std_event_context *std_ev)
static int std_event_fd_destructor(struct tevent_fd *fde)
{
struct tevent_context *ev = fde->event_ctx;
- struct std_event_context *std_ev = talloc_get_type(ev->additional_data,
- struct std_event_context);
+ struct std_event_context *std_ev = NULL;
- epoll_check_reopen(std_ev);
+ if (ev) {
+ std_ev = talloc_get_type(ev->additional_data,
+ struct std_event_context);
- if (std_ev->maxfd == fde->fd) {
- std_ev->maxfd = EVENT_INVALID_MAXFD;
- }
+ epoll_check_reopen(std_ev);
- DLIST_REMOVE(std_ev->fd_events, fde);
- std_ev->destruction_count++;
+ if (std_ev->maxfd == fde->fd) {
+ std_ev->maxfd = EVENT_INVALID_MAXFD;
+ }
- epoll_del_event(std_ev, fde);
+ std_ev->destruction_count++;
- if (fde->close_fn) {
- fde->close_fn(ev, fde, fde->fd, fde->private_data);
- fde->fd = -1;
+ epoll_del_event(std_ev, fde);
}
- return 0;
+ return tevent_common_fd_destructor(fde);
}
/*
@@ -416,21 +411,11 @@ static struct tevent_fd *std_event_add_fd(struct tevent_context *ev, TALLOC_CTX
epoll_check_reopen(std_ev);
- fde = talloc(mem_ctx?mem_ctx:ev, struct tevent_fd);
+ fde = tevent_common_add_fd(ev, mem_ctx, fd, flags,
+ handler, private_data,
+ handler_name, location);
if (!fde) return NULL;
- fde->event_ctx = ev;
- fde->fd = fd;
- fde->flags = flags;
- fde->handler = handler;
- fde->close_fn = NULL;
- fde->private_data = private_data;
- fde->handler_name = handler_name;
- fde->location = location;
- fde->additional_flags = 0;
- fde->additional_data = NULL;
-
- DLIST_ADD(std_ev->fd_events, fde);
if ((std_ev->maxfd != EVENT_INVALID_MAXFD)
&& (fde->fd > std_ev->maxfd)) {
std_ev->maxfd = fde->fd;
@@ -481,7 +466,7 @@ static int std_event_loop_select(struct std_event_context *std_ev, struct timeva
FD_ZERO(&w_fds);
/* setup any fd events */
- for (fde = std_ev->fd_events; fde; fde = fde->next) {
+ for (fde = std_ev->ev->fd_events; fde; fde = fde->next) {
if (fde->flags & TEVENT_FD_READ) {
FD_SET(fde->fd, &r_fds);
}
@@ -525,7 +510,7 @@ static int std_event_loop_select(struct std_event_context *std_ev, struct timeva
/* at least one file descriptor is ready - check
which ones and call the handler, being careful to allow
the handler to remove itself when called */
- for (fde = std_ev->fd_events; fde; fde = fde->next) {
+ for (fde = std_ev->ev->fd_events; fde; fde = fde->next) {
uint16_t flags = 0;
if (FD_ISSET(fde->fd, &r_fds)) flags |= TEVENT_FD_READ;
@@ -574,7 +559,7 @@ static int std_event_loop_wait(struct tevent_context *ev)
struct std_event_context);
std_ev->exit_code = 0;
- while (std_ev->fd_events && std_ev->exit_code == 0) {
+ while (ev->fd_events && std_ev->exit_code == 0) {
if (std_event_loop_once(ev) != 0) {
break;
}
generated by cgit (git 2.34.1) at 2024-11-24 04:08:05 +0000