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shm

This commit is contained in:
Shengliang Guan 2022-04-01 15:29:13 +08:00
parent 8eb99ef6d1
commit 13e6efe3fc
4 changed files with 8 additions and 17 deletions
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2
include/os/osShm.h
View File

@ -26,7 +26,7 @@ typedef struct {
void* ptr;
} SShm;
int32_t taosCreateShm(SShm *pShm, int32_t shmsize) ;
int32_t taosCreateShm(SShm *pShm, int32_t key, int32_t shmsize) ;
void taosDropShm(SShm *pShm);
int32_t taosAttachShm(SShm *pShm);

17
source/dnode/mgmt/main/src/dndExec.c
View File

@ -202,7 +202,7 @@ static int32_t dndRunInParentProcess(SDnode *pDnode) {
if (!pWrapper->required) continue;
int32_t shmsize = 1024 * 1024 * 2; // size will be a configuration item
if (taosCreateShm(&pWrapper->shm, shmsize) != 0) {
if (taosCreateShm(&pWrapper->shm, n, shmsize) != 0) {
terrno = TAOS_SYSTEM_ERROR(terrno);
dError("node:%s, failed to create shm size:%d since %s", pWrapper->name, shmsize, terrstr());
return -1;
@ -261,17 +261,8 @@ static int32_t dndRunInParentProcess(SDnode *pDnode) {
if (pDnode->ntype == NODE_MAX) continue;
if (pWrapper->procId > 0 && taosProcExist(pWrapper->procId)) {
dInfo("node:%s, send kill signal to the child process:%d", pWrapper->name, pWrapper->procId);
taosKillProc(pWrapper->procId);
}
}
for (ENodeType n = DNODE + 1; n < NODE_MAX; ++n) {
SMgmtWrapper *pWrapper = &pDnode->wrappers[n];
if (!pWrapper->required) continue;
if (pDnode->ntype == NODE_MAX) continue;
if (pWrapper->procId > 0 && taosProcExist(pWrapper->procId)) {
// dInfo("node:%s, send kill signal to the child process:%d", pWrapper->name, pWrapper->procId);
// taosKillProc(pWrapper->procId);
dInfo("node:%s, wait for child process:%d to stop", pWrapper->name, pWrapper->procId);
taosWaitProc(pWrapper->procId);
dInfo("node:%s, child process:%d is stopped", pWrapper->name, pWrapper->procId);
@ -340,7 +331,7 @@ static int32_t dndRunInChildProcess(SDnode *pDnode) {
dndReportStartup(pDnode, "TDengine", "initialized successfully");
while (1) {
if (pDnode->event == DND_EVENT_STOP) {
dInfo("dnode is about to stop");
dInfo("%s is about to stop", pWrapper->name);
break;
}
taosMsleep(100);

2
source/os/src/osProc.c
View File

@ -33,7 +33,7 @@ int32_t taosNewProc(char **args) {
}
void taosWaitProc(int32_t pid) {
int32_t status = 0;
int32_t status = -1;
waitpid(pid, &status, 0);
}

4
source/os/src/osShm.c
View File

@ -17,10 +17,10 @@
#define _DEFAULT_SOURCE
#include "os.h"
int32_t taosCreateShm(SShm* pShm, int32_t shmsize) {
int32_t taosCreateShm(SShm* pShm, int32_t key, int32_t shmsize) {
pShm->id = -1;
int32_t shmid = shmget(0X95279527, shmsize, IPC_CREAT | 0600);
int32_t shmid = shmget(0X95270000 + key, shmsize, IPC_CREAT | 0600);
if (shmid < 0) {
return -1;
}