diff options
Diffstat (limited to 'erts/etc/common/heart.c')
-rw-r--r-- | erts/etc/common/heart.c | 191 |
1 files changed, 110 insertions, 81 deletions
diff --git a/erts/etc/common/heart.c b/erts/etc/common/heart.c index 81d797dc7e..d67b997d6d 100644 --- a/erts/etc/common/heart.c +++ b/erts/etc/common/heart.c @@ -1,18 +1,19 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2012. All Rights Reserved. + * Copyright Ericsson AB 1996-2016. All Rights Reserved. * - * The contents of this file are subject to the Erlang Public License, - * Version 1.1, (the "License"); you may not use this file except in - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. - * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. * * %CopyrightEnd% */ @@ -109,7 +110,7 @@ # include <sys/time.h> # include <unistd.h> # include <signal.h> -# if defined(CORRECT_USING_TIMES) +# if defined(OS_MONOTONIC_TIME_USING_TIMES) # include <sys/times.h> # include <limits.h> # endif @@ -117,11 +118,14 @@ #define HEART_COMMAND_ENV "HEART_COMMAND" #define ERL_CRASH_DUMP_SECONDS_ENV "ERL_CRASH_DUMP_SECONDS" +#define HEART_KILL_SIGNAL "HEART_KILL_SIGNAL" +#define HEART_NO_KILL "HEART_NO_KILL" + -#define MSG_HDR_SIZE 2 -#define MSG_HDR_PLUS_OP_SIZE 3 -#define MSG_BODY_SIZE 2048 -#define MSG_TOTAL_SIZE 2050 +#define MSG_HDR_SIZE (2) +#define MSG_HDR_PLUS_OP_SIZE (3) +#define MSG_BODY_SIZE (2048) +#define MSG_TOTAL_SIZE (2050) unsigned char cmd[MSG_BODY_SIZE]; @@ -201,7 +205,6 @@ static BOOL do_shutdown(int); static void print_last_error(void); static HANDLE start_reader_thread(void); static DWORD WINAPI reader(LPVOID); -static int test_win95(void); #define read _read #define write _write #endif @@ -239,24 +242,39 @@ get_env(char *key) { #ifdef __WIN32__ DWORD size = 32; - char *value = NULL; + char *value=NULL; + wchar_t *wcvalue = NULL; + wchar_t wckey[256]; + int len; + + MultiByteToWideChar(CP_UTF8, 0, key, -1, wckey, 256); + while (1) { DWORD nsz; - if (value) - free(value); - value = malloc(size); - if (!value) { + if (wcvalue) + free(wcvalue); + wcvalue = malloc(size*sizeof(wchar_t)); + if (!wcvalue) { print_error("Failed to allocate memory. Terminating..."); exit(1); } SetLastError(0); - nsz = GetEnvironmentVariable((LPCTSTR) key, (LPTSTR) value, size); + nsz = GetEnvironmentVariableW(wckey, wcvalue, size); if (nsz == 0 && GetLastError() == ERROR_ENVVAR_NOT_FOUND) { - free(value); + free(wcvalue); return NULL; } - if (nsz <= size) + if (nsz <= size) { + len = WideCharToMultiByte(CP_UTF8, 0, wcvalue, -1, NULL, 0, NULL, NULL); + value = malloc(len*sizeof(char)); + if (!value) { + print_error("Failed to allocate memory. Terminating..."); + exit(1); + } + WideCharToMultiByte(CP_UTF8, 0, wcvalue, -1, value, len, NULL, NULL); + free(wcvalue); return value; + } size = nsz; } #else @@ -456,10 +474,6 @@ message_loop(erlin_fd, erlout_fd) switch (mp->op) { case HEART_BEAT: timestamp(&last_received); -#ifdef USE_WATCHDOG - /* reset the hardware watchdog timer */ - wd_reset(); -#endif break; case SHUT_DOWN: return R_SHUT_DOWN; @@ -512,6 +526,12 @@ static void kill_old_erlang(void){ HANDLE erlh; DWORD exit_code; + char* envvar = NULL; + + envvar = get_env(HEART_NO_KILL); + if (envvar && strcmp(envvar, "TRUE") == 0) + return; + if(heart_beat_kill_pid != 0){ if((erlh = OpenProcess(PROCESS_TERMINATE | SYNCHRONIZE | @@ -541,14 +561,26 @@ kill_old_erlang(void){ static void kill_old_erlang(void){ pid_t pid; - int i; - int res; + int i, res; + int sig = SIGKILL; + char *envvar = NULL; + + envvar = get_env(HEART_NO_KILL); + if (envvar && strcmp(envvar, "TRUE") == 0) + return; + + envvar = get_env(HEART_KILL_SIGNAL); + if (envvar && strcmp(envvar, "SIGABRT") == 0) { + print_error("kill signal SIGABRT requested"); + sig = SIGABRT; + } + if(heart_beat_kill_pid != 0){ pid = (pid_t) heart_beat_kill_pid; - res = kill(pid,SIGKILL); + res = kill(pid,sig); for(i=0; i < 5 && res == 0; ++i){ sleep(1); - res = kill(pid,SIGKILL); + res = kill(pid,sig); } if(errno != ESRCH){ print_error("Unable to kill old process, " @@ -564,13 +596,22 @@ void win_system(char *command) char *comspec; char * cmdbuff; char * extra = " /C "; + wchar_t *wccmdbuff; char *env; - STARTUPINFO start; + STARTUPINFOW start; SECURITY_ATTRIBUTES attr; PROCESS_INFORMATION info; + int len; - if (!debug_on || test_win95()) { - system(command); + if (!debug_on) { + len = MultiByteToWideChar(CP_UTF8, 0, command, -1, NULL, 0); + wccmdbuff = malloc(len*sizeof(wchar_t)); + if (!wccmdbuff) { + print_error("Failed to allocate memory. Terminating..."); + exit(1); + } + MultiByteToWideChar(CP_UTF8, 0, command, -1, wccmdbuff, len); + _wsystem(wccmdbuff); return; } comspec = env = get_env("COMSPEC"); @@ -602,20 +643,29 @@ void win_system(char *command) fflush(stderr); - if (!CreateProcess(NULL, - cmdbuff, - &attr, - NULL, - TRUE, - 0, - NULL, - NULL, - &start, - &info)) { + len = MultiByteToWideChar(CP_UTF8, 0, cmdbuff, -1, NULL, 0); + wccmdbuff = malloc(len*sizeof(wchar_t)); + if (!wccmdbuff) { + print_error("Failed to allocate memory. Terminating..."); + exit(1); + } + MultiByteToWideChar(CP_UTF8, 0, cmdbuff, -1, wccmdbuff, len); + + if (!CreateProcessW(NULL, + wccmdbuff, + &attr, + NULL, + TRUE, + 0, + NULL, + NULL, + &start, + &info)) { debugf("Could not create process for the command %s.\r\n", cmdbuff); } WaitForSingleObject(info.hProcess,INFINITE); free(cmdbuff); + free(wccmdbuff); } #endif /* defined(__WIN32__) */ @@ -676,14 +726,12 @@ do_terminate(int erlin_fd, int reason) { print_error("Would reboot. Terminating."); else { kill_old_erlang(); - /* suppress gcc warning with 'if' */ ret = system(command); print_error("Executed \"%s\" -> %d. Terminating.",command, ret); } free_env_val(command); } else { kill_old_erlang(); - /* suppress gcc warning with 'if' */ ret = system((char*)&cmd[0]); print_error("Executed \"%s\" -> %d. Terminating.",cmd, ret); } @@ -966,16 +1014,6 @@ void print_last_error() { LocalFree( lpMsgBuf ); } -static int test_win95(void) -{ - OSVERSIONINFO osinfo; - osinfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); - GetVersionEx(&osinfo); - if (osinfo.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) - return 1; - else - return 0; -} static BOOL enable_privilege() { HANDLE ProcessHandle; @@ -993,27 +1031,18 @@ static BOOL enable_privilege() { } static BOOL do_shutdown(int really_shutdown) { - if (test_win95()) { - if (ExitWindowsEx(EWX_REBOOT,0)) { - return TRUE; - } else { - print_last_error(); - return FALSE; - } - } else { - enable_privilege(); - if (really_shutdown) { - if (InitiateSystemShutdown(NULL,"shutdown by HEART",10,TRUE,TRUE)) - return TRUE; - } else if (InitiateSystemShutdown(NULL, - "shutdown by HEART\n" - "will be interrupted", - 30,TRUE,TRUE)) { - AbortSystemShutdown(NULL); + enable_privilege(); + if (really_shutdown) { + if (InitiateSystemShutdown(NULL,"shutdown by HEART",10,TRUE,TRUE)) return TRUE; - } - return FALSE; + } else if (InitiateSystemShutdown(NULL, + "shutdown by HEART\n" + "will be interrupted", + 30,TRUE,TRUE)) { + AbortSystemShutdown(NULL); + return TRUE; } + return FALSE; } DWORD WINAPI reader(LPVOID lpvParam) { @@ -1071,9 +1100,9 @@ time_t timestamp(time_t *res) return r; } -#elif defined(HAVE_GETHRTIME) || defined(GETHRTIME_WITH_CLOCK_GETTIME) +#elif defined(OS_MONOTONIC_TIME_USING_GETHRTIME) || defined(OS_MONOTONIC_TIME_USING_CLOCK_GETTIME) -#if defined(GETHRTIME_WITH_CLOCK_GETTIME) +#if defined(OS_MONOTONIC_TIME_USING_CLOCK_GETTIME) typedef long long SysHrTime; SysHrTime sys_gethrtime(void); @@ -1082,7 +1111,7 @@ SysHrTime sys_gethrtime(void) { struct timespec ts; long long result; - if (clock_gettime(CLOCK_MONOTONIC,&ts) != 0) { + if (clock_gettime(MONOTONIC_CLOCK_ID,&ts) != 0) { print_error("Fatal, could not get clock_monotonic value, terminating! " "errno = %d\n", errno); exit(1); @@ -1109,7 +1138,7 @@ time_t timestamp(time_t *res) return r; } -#elif defined(CORRECT_USING_TIMES) +#elif defined(OS_MONOTONIC_TIME_USING_TIMES) # ifdef NO_SYSCONF # include <sys/param.h> |