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move signal handle to thread

This commit is contained in:
dapan1121 2020-12-17 05:06:20 +00:00
parent fce7a9d299
commit b157f711f4
2 changed files with 41 additions and 10 deletions
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17
src/kit/shell/src/shellEngine.c
View File

@ -260,6 +260,14 @@ int32_t shellRunCommand(TAOS* con, char* command) {
}
void freeResultWithRid(int64_t rid) {
SSqlObj* pSql = taosAcquireRef(tscObjRef, rid);
if(pSql){
taos_free_result(pSql);
taosReleaseRef(tscObjRef, rid);
}
}
void shellRunCommandOnServer(TAOS *con, char command[]) {
int64_t st, et;
wordexp_t full_path;
@ -301,14 +309,15 @@ void shellRunCommandOnServer(TAOS *con, char command[]) {
return;
}
result = ((SSqlObj*)tmpSql)->self;
atomic_store_64(&result, ((SSqlObj*)tmpSql)->self);
int64_t oresult = atomic_load_64(&result);
if (regex_match(command, "^\\s*use\\s+[a-zA-Z0-9_]+\\s*;\\s*$", REG_EXTENDED | REG_ICASE)) {
fprintf(stdout, "Database changed.\n\n");
fflush(stdout);
atomic_store_64(&result, 0);
taos_free_result(pSql);
freeResultWithRid(oresult);
return;
}
@ -317,7 +326,7 @@ void shellRunCommandOnServer(TAOS *con, char command[]) {
int numOfRows = shellDumpResult(pSql, fname, &error_no, printMode);
if (numOfRows < 0) {
atomic_store_64(&result, 0);
taos_free_result(pSql);
freeResultWithRid(oresult);
return;
}
@ -340,7 +349,7 @@ void shellRunCommandOnServer(TAOS *con, char command[]) {
}
atomic_store_64(&result, 0);
taos_free_result(pSql);
freeResultWithRid(oresult);
}
/* Function to do regular expression check */

34
src/kit/shell/src/shellMain.c
View File

@ -19,17 +19,31 @@
#include "tnettest.h"
pthread_t pid;
static tsem_t cancelSem;
void shellQueryInterruptHandler(int signum) {
tsem_post(&cancelSem);
}
void *cancelHandler(void *arg) {
while(1) {
if (tsem_wait(&cancelSem) != 0) {
taosMsleep(10);
continue;
}
#ifdef LINUX
int64_t rid = atomic_val_compare_exchange_64(&result, result, 0);
SSqlObj* pSql = taosAcquireRef(tscObjRef, rid);
taos_stop_query(pSql);
taosReleaseRef(tscObjRef, rid);
int64_t rid = atomic_val_compare_exchange_64(&result, result, 0);
SSqlObj* pSql = taosAcquireRef(tscObjRef, rid);
taos_stop_query(pSql);
taosReleaseRef(tscObjRef, rid);
#else
printf("\nReceive ctrl+c or other signal, quit shell.\n");
exit(0);
printf("\nReceive ctrl+c or other signal, quit shell.\n");
exit(0);
#endif
}
return NULL;
}
int checkVersion() {
@ -107,6 +121,14 @@ int main(int argc, char* argv[]) {
exit(EXIT_FAILURE);
}
if (tsem_init(&cancelSem, 0, 0) != 0) {
printf("failed to create cancel semphore\n");
exit(EXIT_FAILURE);
}
pthread_t spid;
pthread_create(&spid, NULL, cancelHandler, NULL);
/* Interrupt handler. */
struct sigaction act;
memset(&act, 0, sizeof(struct sigaction));