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Diffstat (limited to 'src/core.h')
| -rw-r--r-- | src/core.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/core.h b/src/core.h new file mode 100644 index 0000000..94418e5 --- /dev/null +++ b/src/core.h @@ -0,0 +1,91 @@ +#ifndef SCTJUDGE_CORE_HEADER +#define SCTJUDGE_CORE_HEADER + +#include <signal.h> +#include <unistd.h> +#include <sys/time.h> +#include <sys/resource.h> + +#include <pthread.h> +#include <semaphore.h> + +#define NULL_DEVICE "/dev/null" + + +/* mkchild.c */ + +/* 子程序 PID 和對應的 mutex */ +extern pid_t pidchild; +extern pthread_mutex_t pidmutex; + +/* 兩個 thread 的資料 */ +extern pthread_t tkill, tdisplay; +extern char tkill_yes, tdisplay_yes; +extern pthread_mutex_t tkill_mx, tdisplay_mx; + +/* 用來讓另外兩個 thread 卡住的 semaphore */ +extern sem_t mcthr, addthr; + +/* 判斷有無 TLE，此變數由 sctjudge_checktle 設定 */ +extern char judge_tle; +extern pthread_mutex_t judge_tle_mx; + +/* 傳給 sctjudge_makechild 作為參數的 struct */ +struct makechildopt{ + char* executable; + char* chrootdir; + char* inputfile; + char* outputfile; + int exectime; + int memlimit; + int outlimit; + int flags; + uid_t uid; + gid_t gid; +}; + +/* struct makechildopt 裡面 flags 的值 */ +#define SCTMC_REDIR_STDERR 0x00000001 +#define SCTMC_NOCOPY 0x00000002 +#define SCTMC_SETUID 0x00000004 +#define SCTMC_SETGID 0x00000008 +#define SCTMC_VERBOSE 0x00000010 +#define SCTMC_DRYRUN 0x00000020 + +/* sctjudge_makechild 的回傳值，main 會接收到 */ +struct makechildrval{ + int mc_exitcode; /* 此與評測結果無關！這是 thread 本身的狀態 */ + int judge_result; /* 就是那個兩三個英文字母的代碼 */ + int judge_exitcode; /* 程式結束回傳值 */ + struct timespec judge_time; /* 執行時間 */ + int judge_signal; /* RE 時的訊號 */ + struct rusage judge_rusage; /* 子程序結束時拿到的 rusage */ +}; + +/* struct makechildrval 裡面 mc_exitcode 的值 */ +#define SCTMCRVAL_SUCCESS 0 +#define SCTMCRVAL_PREPARE 1 /* fork 之前的準備工作出錯 */ +#define SCTMCRVAL_FORK 2 /* fork 失敗 */ +#define SCTMCRVAL_INVALID 3 /* 子程序傳回了不正確的資料（會發生嗎？）*/ +#define SCTMCRVAL_CHILDFAIL 4 /* 子程序在 exec 或之前發生錯誤無法繼續 */ + +/* struct makechildrval 裡面 judge_result 的值 */ +#define SCTRES_OK 0 +#define SCTRES_RE 1 +#define SCTRES_TLE 2 +#define SCTRES_OLE 3 +#define SCTRES_SLE 4 /* 暫停次數太多 */ +#define SCTRES_AB 5 /* 使用者中斷 */ +#define SCTRES_UD 6 /* 未定義的東西，這應該不會出現吧 */ +#define SCTRES_MAX 7 + +void* sctjudge_makechild(void*); + +/* killtle.c */ +extern volatile sig_atomic_t break_flag; +void* sctjudge_checktle(void*); + +/* disptime.c */ +void* sctjudge_dispaytime(void*); + +#endif |