本文整理汇总了C++中MFILE::close方法的典型用法代码示例。如果您正苦于以下问题：C++ MFILE::close方法的具体用法？C++ MFILE::close怎么用？C++ MFILE::close使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MFILE的用法示例。
在下文中一共展示了MFILE::close方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: write_state_file
// Write the client_state.xml file
//
int CLIENT_STATE::write_state_file() {
MFILE mf;
int retval, ret1, ret2, attempt;
#ifdef _WIN32
char win_error_msg[4096];
#endif
for (attempt=1; attempt<=MAX_STATE_FILE_WRITE_ATTEMPTS; attempt++) {
if (attempt > 1) boinc_sleep(1.0);
if (log_flags.statefile_debug) {
msg_printf(0, MSG_INFO,
"[statefile] Writing state file"
);
}
#ifdef _WIN32
retval = mf.open(STATE_FILE_NEXT, "wc");
#else
retval = mf.open(STATE_FILE_NEXT, "w");
#endif
if (retval) {
if ((attempt == MAX_STATE_FILE_WRITE_ATTEMPTS) || log_flags.statefile_debug) {
msg_printf(0, MSG_INTERNAL_ERROR,
"Can't open %s: %s",
STATE_FILE_NEXT, boincerror(retval)
);
}
if (attempt < MAX_STATE_FILE_WRITE_ATTEMPTS) continue;
return ERR_FOPEN;
}
MIOFILE miof;
miof.init_mfile(&mf);
ret1 = write_state(miof);
ret2 = mf.close();
if (ret1) {
if ((attempt == MAX_STATE_FILE_WRITE_ATTEMPTS) || log_flags.statefile_debug) {
msg_printf(NULL, MSG_INTERNAL_ERROR,
"Couldn't write state file: %s", boincerror(retval)
);
}
if (attempt < MAX_STATE_FILE_WRITE_ATTEMPTS) continue;
return ret1;
}
if (ret2) {
if (attempt < MAX_STATE_FILE_WRITE_ATTEMPTS) continue;
return ret2;
}
// only attempt to rename the current state file if it exists.
//
if (boinc_file_exists(STATE_FILE_NAME)) {
if (boinc_file_exists(STATE_FILE_PREV)) {
retval = boinc_delete_file(STATE_FILE_PREV);
if (retval) {
if ((attempt == MAX_STATE_FILE_WRITE_ATTEMPTS) || log_flags.statefile_debug) {
#ifdef _WIN32
msg_printf(0, MSG_INFO,
"Can't delete previous state file; %s",
windows_format_error_string(GetLastError(), win_error_msg, sizeof(win_error_msg))
);
#else
msg_printf(0, MSG_INFO,
"Can't delete previous state file: %s",
strerror(errno)
);
#endif
}
if (attempt < MAX_STATE_FILE_WRITE_ATTEMPTS) continue;
}
}
retval = boinc_rename(STATE_FILE_NAME, STATE_FILE_PREV);
if (retval) {
if ((attempt == MAX_STATE_FILE_WRITE_ATTEMPTS) || log_flags.statefile_debug) {
#ifdef _WIN32
msg_printf(0, MSG_INFO,
"Can't rename current state file to previous state file; %s",
windows_format_error_string(GetLastError(), win_error_msg, sizeof(win_error_msg))
);
#else
msg_printf(0, MSG_INFO,
"Can't rename current state file to previous state file: %s",
strerror(errno)
);
#endif
}
if (attempt < MAX_STATE_FILE_WRITE_ATTEMPTS) continue;
}
}
retval = boinc_rename(STATE_FILE_NEXT, STATE_FILE_NAME);
if (log_flags.statefile_debug) {
msg_printf(0, MSG_INFO,
"[statefile] Done writing state file"
);
}
if (!retval) break; // Success!
//.........这里部分代码省略.........