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Merge pull request #5051 from freemine/mac 

sem_timedwait porting issue
This commit is contained in:
Shengliang Guan 2021-01-27 19:14:54 +08:00 committed by GitHub
parent a6cbb4448a 9dcee4f8e7
commit 90944de1f7
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 25 additions and 29 deletions
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40
src/dnode/src/dnodeTelemetry.c
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@ -31,7 +31,11 @@
#include "mnodeAcct.h"
#include "dnodeTelemetry.h"
static tsem_t tsExitSem;
// sem_timedwait is NOT implemented on MacOSX
// thus, we use pthread_mutex_t/pthread_cond_t to simulate
static pthread_mutex_t tsExitLock = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t tsExitCond = PTHREAD_COND_INITIALIZER;
static volatile int tsExit = 0;
static pthread_t tsTelemetryThread;
#define TELEMETRY_SERVER "telemetry.taosdata.com"
@ -236,24 +240,19 @@ static void sendTelemetryReport() {
taosCloseSocket(fd);
}
#ifdef __APPLE__
static int sem_timedwait(tsem_t *sem, struct timespec *to) {
fprintf(stderr, "%s[%d]%s(): not implemented yet!\n", basename(__FILE__), __LINE__, __func__);
abort();
}
#endif // __APPLE__
static void* telemetryThread(void* param) {
struct timespec end = {0};
clock_gettime(CLOCK_REALTIME, &end);
end.tv_sec += 300; // wait 5 minutes before send first report
while (1) {
if (sem_timedwait(&tsExitSem, &end) == 0) {
break;
} else if (errno != ETIMEDOUT) {
continue;
}
while (!tsExit) {
int r = 0;
struct timespec ts = end;
pthread_mutex_lock(&tsExitLock);
r = pthread_cond_timedwait(&tsExitCond, &tsExitLock, &ts);
pthread_mutex_unlock(&tsExitLock);
if (r==0) break;
if (r!=ETIMEDOUT) continue;
if (sdbIsMaster()) {
sendTelemetryReport();
@ -284,12 +283,6 @@ int32_t dnodeInitTelemetry() {
dnodeGetEmail("/usr/local/taos/email");
if (tsem_init(&tsExitSem, 0, 0) == -1) {
// just log the error, it is ok for telemetry to fail
dTrace("failed to create semaphore for telemetry, reason:%s", strerror(errno));
return 0;
}
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
@ -310,8 +303,11 @@ void dnodeCleanupTelemetry() {
}
if (taosCheckPthreadValid(tsTelemetryThread)) {
tsem_post(&tsExitSem);
pthread_mutex_lock(&tsExitLock);
tsExit = 1;
pthread_cond_signal(&tsExitCond);
pthread_mutex_unlock(&tsExitLock);
pthread_join(tsTelemetryThread, NULL);
tsem_destroy(&tsExitSem);
}
}