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This commit is contained in:
Bob Halley
1998-10-23 06:02:07 +00:00
parent 0fc87fa2f3
commit 9fbefe0ace
6 changed files with 175 additions and 170 deletions
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213
lib/isc/win32/condition.c
View File

@@ -1,110 +1,111 @@
#include <isc/condition.h>
#include <isc/assertions.h>
#define SIGNAL 0
#define BROADCAST 1
isc_result_t
isc_condition_init(isc_condition_t *cond) {
HANDLE h;
REQUIRE(cond != NULL);
cond->waiters = 0;
h = CreateEvent(NULL, FALSE, FALSE, NULL);
if (h == NULL) {
/* XXX */
return (ISC_R_UNEXPECTED);
}
cond->events[SIGNAL] = h;
h = CreateEvent(NULL, TRUE, FALSE, NULL);
if (h == NULL) {
(void)CloseHandle(cond->events[SIGNAL]);
/* XXX */
return (ISC_R_UNEXPECTED);
}
cond->events[BROADCAST] = h;
return (ISC_R_SUCCESS);
}
isc_result_t
isc_condition_signal(isc_condition_t *cond) {
REQUIRE(cond != NULL);
if (cond->waiters > 0 &&
!SetEvent(cond->events[SIGNAL])) {
/* XXX */
return (ISC_R_UNEXPECTED);
}
return (ISC_R_SUCCESS);
}
isc_result_t
isc_condition_broadcast(isc_condition_t *cond) {
REQUIRE(cond != NULL);
if (cond->waiters > 0 &&
!SetEvent(cond->events[BROADCAST])) {
/* XXX */
return (ISC_R_UNEXPECTED);
}
return (ISC_R_SUCCESS);
}
isc_result_t #include <isc/condition.h>
isc_condition_destroy(isc_condition_t *cond) { #include <isc/assertions.h>
REQUIRE(cond != NULL); #define SIGNAL 0
#define BROADCAST 1
(void)CloseHandle(cond->events[SIGNAL]);
(void)CloseHandle(cond->events[BROADCAST]); isc_result_t
return (ISC_R_SUCCESS); isc_condition_init(isc_condition_t *cond) {
HANDLE h;
REQUIRE(cond != NULL);
cond->waiters = 0;
h = CreateEvent(NULL, FALSE, FALSE, NULL);
if (h == NULL) {
/* XXX */
return (ISC_R_UNEXPECTED);
}
cond->events[SIGNAL] = h;
h = CreateEvent(NULL, TRUE, FALSE, NULL);
if (h == NULL) {
(void)CloseHandle(cond->events[SIGNAL]);
/* XXX */
return (ISC_R_UNEXPECTED);
}
cond->events[BROADCAST] = h;
return (ISC_R_SUCCESS);
} }
static isc_result_t
isc_result_t isc_condition_signal(isc_condition_t *cond) {
wait(isc_condition_t *cond, isc_mutex_t *mutex,
DWORD milliseconds) REQUIRE(cond != NULL);
{
DWORD result; if (cond->waiters > 0 &&
!SetEvent(cond->events[SIGNAL])) {
cond->waiters++; /* XXX */
LeaveCriticalSection(mutex); return (ISC_R_UNEXPECTED);
result = WaitForMultipleObjects(2, cond->events, FALSE, }
milliseconds);
if (result == WAIT_FAILED) { return (ISC_R_SUCCESS);
/* XXX */ }
return (ISC_R_UNEXPECTED);
} isc_result_t
EnterCriticalSection(mutex); isc_condition_broadcast(isc_condition_t *cond) {
cond->waiters--;
if (cond->waiters == 0 && REQUIRE(cond != NULL);
!ResetEvent(cond->events[BROADCAST])) {
/* XXX */ if (cond->waiters > 0 &&
LeaveCriticalSection(mutex); !SetEvent(cond->events[BROADCAST])) {
return (ISC_R_UNEXPECTED); /* XXX */
} return (ISC_R_UNEXPECTED);
}
if (result == WAIT_TIMEOUT)
return (ISC_R_TIMEDOUT); return (ISC_R_SUCCESS);
}
return (ISC_R_SUCCESS);
} isc_result_t
isc_condition_destroy(isc_condition_t *cond) {
isc_result_t
isc_condition_wait(isc_condition_t *cond, isc_mutex_t *mutex) { REQUIRE(cond != NULL);
return (wait(cond, mutex, INFINITE));
} (void)CloseHandle(cond->events[SIGNAL]);
(void)CloseHandle(cond->events[BROADCAST]);
isc_result_t
return (ISC_R_SUCCESS);
}
static
isc_result_t
wait(isc_condition_t *cond, isc_mutex_t *mutex, DWORD milliseconds) {
DWORD result;
cond->waiters++;
LeaveCriticalSection(mutex);
result = WaitForMultipleObjects(2, cond->events, FALSE, milliseconds);
if (result == WAIT_FAILED) {
/* XXX */
return (ISC_R_UNEXPECTED);
}
EnterCriticalSection(mutex);
cond->waiters--;
if (cond->waiters == 0 &&
!ResetEvent(cond->events[BROADCAST])) {
/* XXX */
LeaveCriticalSection(mutex);
return (ISC_R_UNEXPECTED);
}
if (result == WAIT_TIMEOUT)
return (ISC_R_TIMEDOUT);
return (ISC_R_SUCCESS);
}
isc_result_t
isc_condition_wait(isc_condition_t *cond, isc_mutex_t *mutex) {
return (wait(cond, mutex, INFINITE));
}
isc_result_t
isc_condition_waituntil(isc_condition_t *cond, isc_mutex_t *mutex, isc_condition_waituntil(isc_condition_t *cond, isc_mutex_t *mutex,
isc_time_t t) isc_time_t t)
{ {
DWORD milliseconds; DWORD milliseconds;
milliseconds = 100; /* XXX */ milliseconds = 100; /* XXX */
return (wait(cond, mutex, milliseconds)); return (wait(cond, mutex, milliseconds));
} }

12
lib/isc/win32/include/isc/condition.h
View File

@@ -9,14 +9,14 @@
#include <isc/mutex.h> #include <isc/mutex.h>
#include <isc/time.h> #include <isc/time.h>
typedef struct isc_condition { typedef struct isc_condition {
HANDLE events[2]; HANDLE events[2];
unsigned int waiters; unsigned int waiters;
} isc_condition_t; } isc_condition_t;
isc_result_t isc_condition_init(isc_condition_t *); isc_result_t isc_condition_init(isc_condition_t *);
isc_result_t isc_condition_wait(isc_condition_t *, isc_mutex_t *); isc_result_t isc_condition_wait(isc_condition_t *, isc_mutex_t *);
isc_result_t isc_condition_signal(isc_condition_t *); isc_result_t isc_condition_signal(isc_condition_t *);
isc_result_t isc_condition_broadcast(isc_condition_t *); isc_result_t isc_condition_broadcast(isc_condition_t *);
isc_result_t isc_condition_destroy(isc_condition_t *); isc_result_t isc_condition_destroy(isc_condition_t *);
isc_result_t isc_condition_waituntil(isc_condition_t *, isc_mutex_t *, isc_result_t isc_condition_waituntil(isc_condition_t *, isc_mutex_t *,

18
lib/isc/win32/include/isc/mutex.h
View File

@@ -7,14 +7,14 @@
#include <isc/result.h> #include <isc/result.h>
typedef CRITICAL_SECTION isc_mutex_t; typedef CRITICAL_SECTION isc_mutex_t;
#define isc_mutex_init(mp) \ #define isc_mutex_init(mp) \
(InitializeCriticalSection((mp)), ISC_R_SUCCESS) (InitializeCriticalSection((mp)), ISC_R_SUCCESS)
#define isc_mutex_lock(mp) \ #define isc_mutex_lock(mp) \
(EnterCriticalSection((mp)), ISC_R_SUCCESS) (EnterCriticalSection((mp)), ISC_R_SUCCESS)
#define isc_mutex_unlock(mp) \ #define isc_mutex_unlock(mp) \
(LeaveCriticalSection((mp)), ISC_R_SUCCESS) (LeaveCriticalSection((mp)), ISC_R_SUCCESS)
#define isc_mutex_destroy(mp) \ #define isc_mutex_destroy(mp) \
(DeleteCriticalSection((mp)), ISC_R_SUCCESS) (DeleteCriticalSection((mp)), ISC_R_SUCCESS)
#endif /* ISC_MUTEX_H */ #endif /* ISC_MUTEX_H */

6
lib/isc/win32/include/isc/thread.h
View File

@@ -12,10 +12,10 @@ typedef LPVOID isc_threadarg_t;
typedef isc_threadresult_t (WINAPI *isc_threadfunc_t)(isc_threadarg_t); typedef isc_threadresult_t (WINAPI *isc_threadfunc_t)(isc_threadarg_t);
isc_result_t isc_thread_create(isc_threadfunc_t, isc_threadarg_t, isc_result_t isc_thread_create(isc_threadfunc_t, isc_threadarg_t,
isc_thread_t *); isc_thread_t *);
isc_result_t isc_thread_join(isc_thread_t, isc_threadresult_t *); isc_result_t isc_thread_join(isc_thread_t, isc_threadresult_t *);
isc_result_t isc_thread_detach(isc_thread_t); isc_result_t isc_thread_detach(isc_thread_t);
#define isc_thread_self \ #define isc_thread_self \
(unsigned long)GetCurrentThreadId (unsigned long)GetCurrentThreadId
#endif /* ISC_THREAD_H */ #endif /* ISC_THREAD_H */

85
lib/isc/win32/thread.c
View File

@@ -1,41 +1,44 @@
#include <isc/thread.h> #include <isc/thread.h>
isc_result_t isc_result_t
isc_thread_create(isc_threadfunc_t start, isc_threadarg_t arg, isc_thread_create(isc_threadfunc_t start, isc_threadarg_t arg,
isc_thread_t *threadp) isc_thread_t *threadp)
{ {
HANDLE h; HANDLE h;
DWORD id; DWORD id;
h = CreateThread(NULL, 0, start, arg, 0, &id); h = CreateThread(NULL, 0, start, arg, 0, &id);
if (h == NULL) { if (h == NULL) {
/* XXX */ /* XXX */
return (ISC_R_UNEXPECTED); return (ISC_R_UNEXPECTED);
} }
*threadp = h; *threadp = h;
return (ISC_R_SUCCESS); return (ISC_R_SUCCESS);
} }
isc_result_t isc_result_t
isc_thread_join(isc_thread_t thread, isc_threadresult_t *rp) { isc_thread_join(isc_thread_t thread, isc_threadresult_t *rp) {
DWORD result; DWORD result;
result = WaitForSingleObject(thread, INFINITE); result = WaitForSingleObject(thread, INFINITE);
if (result != WAIT_OBJECT_0) { if (result != WAIT_OBJECT_0) {
/* XXX */ /* XXX */
return (ISC_R_UNEXPECTED); return (ISC_R_UNEXPECTED);
} }
if (rp != NULL && !GetExitCodeThread(thread, rp)) { if (rp != NULL && !GetExitCodeThread(thread, rp)) {
/* XXX */ /* XXX */
return (ISC_R_UNEXPECTED); return (ISC_R_UNEXPECTED);
} }
return (ISC_R_SUCCESS);
} return (ISC_R_SUCCESS);
}
isc_result_t isc_thread_detach(isc_thread_t thread) {
/* XXX */ isc_result_t isc_thread_detach(isc_thread_t thread) {
return (ISC_R_SUCCESS);
} /* XXX */
return (ISC_R_SUCCESS);
}

11
lib/isc/win32/time.c
View File

@@ -4,8 +4,8 @@
#include <string.h> #include <string.h>
#include <time.h> #include <time.h>
#include <errno.h> #include <errno.h>
#include <windows.h> #include <windows.h>
#include <isc/assertions.h> #include <isc/assertions.h>
#include <isc/unexpect.h> #include <isc/unexpect.h>
@@ -19,10 +19,11 @@ isc_time_get(isc_time_t t) {
*/ */
REQUIRE(t != NULL); REQUIRE(t != NULL);
/* XXX No nanoseconds! */ /* XXX No nanoseconds! */
t->seconds = (unsigned long)time(NULL); t->seconds = (unsigned long)time(NULL);
t->nanoseconds = 0; t->nanoseconds = 0;
return (ISC_R_SUCCESS); return (ISC_R_SUCCESS);
} }