linux系統奔潰日志,linuxC++下捕獲崩潰日志

2023-08-01 05:04:40

#include

const int MAX_STACK_FRAMES = 128;void sig_crash(intsig)

{

FILE*fd;structstat buf;

stat("./crash.log", &buf);if(buf.st_size > 10*1000*1000){ //超過10兆則清空内容

fd = fopen("./crash.log", "w");

}else{

fd= fopen("./crash.log", "at");

}if (NULL ==fd)

{

exit(0);

}try{char szLine[512] = {0, };

time_t t=time(NULL);

tm* now = localtime(&t);int nLen1 =sprintf(szLine,"#########################################################\n[d-d-d d:d:d][crash signal number:%d]\n",

now->tm_year + 1900,

now->tm_mon + 1,

now->tm_mday,

now->tm_hour,

now->tm_min,

now->tm_sec,

sig);

fwrite(szLine,1, strlen(szLine), fd);

#ifdef __linuxvoid*array[MAX_STACK_FRAMES];

size_t size= 0;char** strings =NULL;

size_t i, j;

signal(sig, SIG_DFL);

size=backtrace(array, MAX_STACK_FRAMES);

strings= (char**)backtrace_symbols(array, size);//fprintf(stderr, "oncrash;\n");

for (i = 0; i < size; ++i)

{char szLine[512] = {0, };

sprintf(szLine,"%d %s\n", i, strings[i]);

fwrite(szLine,1, strlen(szLine), fd);

std::stringsymbol(strings[i]);

size_t pos1= symbol.find_first_of("[");

size_t pos2= symbol.find_last_of("]");

std::string address = symbol.substr(pos1 + 1, pos2 - pos1 -1);char cmd[128] = {0, };

sprintf(cmd,"addr2line -e test %s", address.c_str()); // test為應用程式名稱，需要改為使用者自己的應用程式名

FILE*fPipe = popen(cmd, "r");if(fPipe !=NULL){char buff[1024];

memset(buff,0, sizeof(buff));char* ret = fgets(buff, sizeof(buff), fPipe);

pclose(fPipe);

fwrite(ret,1, strlen(ret), fd);

}

}free(strings);#endif //__linux}catch(...)

{//}

fflush(fd);

fclose(fd);

fd=NULL;

exit(0);

}

int main()

{// 捕捉崩潰日志

signal(SIGSEGV, sig_crash);