From 27d8bc7cad4a8f68c2da3efbb77f45ec70ae40e6 Mon Sep 17 00:00:00 2001 From: liuxiaolong <liuxiaolong@aiotlink.com> Date: 星期三, 05 一月 2022 14:11:39 +0800 Subject: [PATCH] pb.go MsgQueryProcReply add subLocalTopics and subNetTopics --- src/svsem.cpp | 270 ++++++++++++++++++++++++++++++++++++----------------- 1 files changed, 184 insertions(+), 86 deletions(-) diff --git a/src/svsem.cpp b/src/svsem.cpp index 54db4a2..8ad2401 100644 --- a/src/svsem.cpp +++ b/src/svsem.cpp @@ -1,33 +1,34 @@ +#include "bh_api.h" #include "svsem.h" +#include "msg_mgr.h" int svsem_get(key_t key, unsigned int value) { -// printf("==================svsem_get===============================\n"); int semid, perms; - perms = S_IRUSR | S_IWUSR; + perms = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH; - semid = semget(key, 1, IPC_CREAT | IPC_EXCL | perms); + semid = semget(key, 2, IPC_CREAT | IPC_EXCL | perms); if (semid != -1) { /* Successfully created the semaphore */ union semun arg; struct sembuf sop; - //logger.info("%ld: created semaphore\n", (long)getpid()); - arg.val = 0; /* So initialize it to 0 */ if (semctl(semid, 0, SETVAL, arg) == -1) err_exit(errno, "semctl 1"); - //logger.info("%ld: initialized semaphore\n", (long)getpid()); + arg.val = 1; + if (semctl(semid, 1, SETVAL, arg) == -1) + err_exit(errno, "semctl 2"); + /* Perform a "no-op" semaphore operation - changes sem_otime so other processes can see we've initialized the set. */ sop.sem_num = 0; /* Operate on semaphore 0 */ sop.sem_op = value; - sop.sem_flg = 0; + sop.sem_flg = SEM_UNDO; if (semop(semid, &sop, 1) == -1) err_exit(errno, "semop"); - //logger.info("%ld: completed dummy semop()\n", (long)getpid()); } else { /* We didn't create the semaphore set */ @@ -44,12 +45,10 @@ if (semid == -1) err_exit(errno, "semget 2"); - // logger.info("%ld: got semaphore key\n", (long)getpid()); /* Wait until another process has called semop() */ arg.buf = &ds; for (j = 0; j < MAX_TRIES; j++) { - //logger.info("Try %d\n", j); if (semctl(semid, 0, IPC_STAT, arg) == -1) err_exit(errno, "semctl 2"); @@ -74,13 +73,23 @@ sops.sem_num = 0; sops.sem_op = -1; - sops.sem_flg = 0; + sops.sem_flg = SEM_UNDO; while (semop(semid, &sops, 1) == -1) if (errno != EINTR) { - // err_msg(errno, "svsem_dec"); - return errno; + err_msg(errno, "svsem_dec"); + + return -1; } + +#if defined(MSG_HANDLER) + Msg_info msg_obj; + + msg_obj.key = inter_key_get(); + msg_obj.id = semid; + msg_obj.act = SEM_GET; + msg_distrib(SEM_TYPE_ID, &msg_obj); +#endif return 0; } @@ -90,33 +99,66 @@ sops.sem_num = 0; sops.sem_op = -1; - sops.sem_flg = IPC_NOWAIT | 0; + sops.sem_flg = IPC_NOWAIT | SEM_UNDO; + +#if defined(MSG_HANDLER) + Msg_info msg_obj; - while (semop(semid, &sops, 1) == -1) - if (errno != EINTR) { - // err_msg(errno, "svsem_dec_nowait"); - return errno; - } + msg_obj.key = inter_key_get(); + msg_obj.id = semid; + msg_obj.act = SEM_GET; + msg_distrib(SEM_TYPE_ID, &msg_obj); +#endif - return 0; + return semop(semid, &sops, 1) ; } -int svsem_timedwait(const int semid, const struct timespec *timeout) { +int svsem_timedwait(int semid, struct timespec *timeout) { struct sembuf sops; sops.sem_num = 0; sops.sem_op = -1; - sops.sem_flg = 0; + sops.sem_flg = SEM_UNDO; while (semtimedop(semid, &sops, 1, timeout) == -1) if (errno != EINTR) { // err_msg(errno, "svsem_psem_timedwait"); - return errno; + return -1; } + +#if defined(MSG_HANDLER) + Msg_info msg_obj; + + msg_obj.key = inter_key_get(); + msg_obj.id = semid; + msg_obj.act = SEM_GET; + msg_distrib(SEM_TYPE_ID, &msg_obj); +#endif return 0; } +int svsem_uni_wait(int semid) { + struct timespec res; + + res.tv_sec = SEM_WT_TIMEOUT; + res.tv_nsec = 0; + + while(1) { + if(svsem_timedwait(semid, &res) != 0) { + + if(svsem_post(semid) != 0) { + err_msg(errno, "_inc"); + } + + } else { + + break; + } + } + + return 0; +} /* Release semaphore - increment it by 1 */ int svsem_post(int semid) { @@ -124,12 +166,85 @@ sops.sem_num = 0; sops.sem_op = 1; - sops.sem_flg = 0; + sops.sem_flg = SEM_UNDO; int rv = semop(semid, &sops, 1); if (rv == -1) { // err_msg(errno, "svsem_inc"); - return errno; + return -1; + } + +#if defined(MSG_HANDLER) + Msg_info msg_obj; + + msg_obj.key = inter_key_get(); + msg_obj.id = semid; + msg_obj.act = SEM_POST; + msg_distrib(SEM_TYPE_ID, &msg_obj); +#endif + + return 0; +} + +int svsem_cond_wait(int semid ){ + + struct sembuf sops[2]; + union semun arg; + + arg.val = 1; + if (semctl(semid, 1, SETVAL, arg) == -1) { + err_msg(errno, "svsem_set"); + return -1; + } + + //閲婃斁mutex + sops[0].sem_num = 0; + sops[0].sem_op = 1; + sops[0].sem_flg = SEM_UNDO; + + // 绛夊緟cond + sops[1].sem_num = 1; + sops[1].sem_op = 0; + sops[1].sem_flg = SEM_UNDO; + + while (semop(semid, sops, 2) == -1) + if (errno != EINTR) { + // err_msg(errno, "Svsvsem_dec"); + return -1; + } + + + //閲嶆柊鑾峰彇mutex + sops[0].sem_num = 0; + sops[0].sem_op = -1; + sops[0].sem_flg = SEM_UNDO; + + while (semop(semid, sops, 1) == -1) + if (errno != EINTR) { + // err_msg(errno, "Svsvsem_dec"); + return -1; + } + +#if defined(MSG_HANDLER) + Msg_info msg_obj; + + msg_obj.key = inter_key_get(); + msg_obj.id = semid; + msg_obj.act = SEM_GET; + msg_distrib(SEM_TYPE_ID, &msg_obj); +#endif + + return 0; +} + + +int svsem_cond_signal(int semid ){ + union semun arg; + arg.val = 0; + + if (semctl(semid, 1, SETVAL, arg) == -1) { + err_msg(errno, "svsem_set"); + return -1; } return 0; } @@ -146,13 +261,22 @@ sops.sem_num = 0; sops.sem_op = 0; - sops.sem_flg = 0; + sops.sem_flg = SEM_UNDO; while (semop(semid, &sops, 1) == -1) if (errno != EINTR) { // err_msg(errno, "svsem_zero"); - return errno; + return -1; } + +#if defined(MSG_HANDLER) + Msg_info msg_obj; + + msg_obj.key = inter_key_get(); + msg_obj.id = semid; + msg_obj.act = SEM_RESET; + msg_distrib(SEM_TYPE_ID, &msg_obj); +#endif return 0; } @@ -163,96 +287,70 @@ sops.sem_num = 0; sops.sem_op = 0; - sops.sem_flg = IPC_NOWAIT; + sops.sem_flg = IPC_NOWAIT | SEM_UNDO; while (semop(semid, &sops, 1) == -1) if (errno != EINTR) { // err_msg(errno, "svsem_zero_nowait"); - return errno; + return -1; } + +#if defined(MSG_HANDLER) + Msg_info msg_obj; + msg_obj.key = inter_key_get(); + msg_obj.id = semid; + msg_obj.act = SEM_RESET; + msg_distrib(SEM_TYPE_ID, &msg_obj); +#endif return 0; } -int svsem_zero_timeout(const int semid, const struct timespec *timeout) { +int svsem_zero_timeout(int semid, struct timespec *timeout) { struct sembuf sops; sops.sem_num = 0; sops.sem_op = 0; - sops.sem_flg = 0; + sops.sem_flg = SEM_UNDO; while (semtimedop(semid, &sops, 1, timeout) == -1) if (errno != EINTR) { // err_msg(errno, "svsem_zero_timeout"); - return errno; + return -1; } + +#if defined(MSG_HANDLER) + Msg_info msg_obj; + msg_obj.key = inter_key_get(); + msg_obj.id = semid; + msg_obj.act = SEM_RESET; + msg_distrib(SEM_TYPE_ID, &msg_obj); +#endif return 0; } - - - int svsem_set(int semid, int val) { union semun arg; arg.val = val; - if (semctl(semid, 0, SETVAL, arg) == -1) { - err_msg(errno, "svsem_set"); - return errno; - } - return 0; + + return semctl(semid, 0, SETVAL, arg); } - void svsem_remove(int semid) { union semun dummy; + if (semctl(semid, 0, IPC_RMID, dummy) == -1) err_msg(errno, "svsem_remove"); + +#if defined(MSG_HANDLER) + Msg_info msg_obj; + msg_obj.key = inter_key_get(); + msg_obj.id = semid; + msg_obj.act = SEM_RM; + msg_distrib(SEM_TYPE_ID, &msg_obj); +#endif + } - - - - - -int svsem_cond_wait(int semid ){ - - struct sembuf sops[2]; - - //閲婃斁mutex - sops[0].sem_num = 0; - sops[0].sem_op = 1; - sops[0].sem_flg = 0; - - // 绛夊緟cond - sops[1].sem_num = 1; - sops[1].sem_op = -1; - sops[1].sem_flg = 0; - - while (semop(semid, sops, 2) == -1) - if (errno != EINTR) { - // err_msg(errno, "Svsvsem_dec"); - return errno; - } - - - return 0; -} - -int svsem_cond_signal(int semid ){ - struct sembuf sops; - - // 閫氱煡绛夊緟cond鐨勮繘绋� - sops.sem_num = 1; - sops.sem_op = 1; - sops.sem_flg = 0; - - int rv = semop(semid, &sops, 1); - if (rv == -1) { - // err_msg(errno, "Svsvsem_inc"); - return errno; - } - return 0; -} - \ No newline at end of file -- Gitblit v1.8.0