OMCompiler/SimulationRuntime/c/util/omc_init.c
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * This file belongs to the OpenModelica Run-Time System | ||
| 3 | * | ||
| 4 | * Copyright (c) 1998-2026, Open Source Modelica Consortium (OSMC), c/o Linköpings | ||
| 5 | * universitet, Department of Computer and Information Science, SE-58183 Linköping, Sweden. All rights | ||
| 6 | * reserved. | ||
| 7 | * | ||
| 8 | * THIS PROGRAM IS PROVIDED UNDER THE TERMS OF THE BSD NEW LICENSE OR THE | ||
| 9 | * AGPL VERSION 3 LICENSE OR THE OSMC PUBLIC LICENSE (OSMC-PL) VERSION 1.8. ANY | ||
| 10 | * USE, REPRODUCTION OR DISTRIBUTION OF THIS PROGRAM CONSTITUTES RECIPIENT'S | ||
| 11 | * ACCEPTANCE OF THE BSD NEW LICENSE OR THE OSMC PUBLIC LICENSE OR THE AGPL | ||
| 12 | * VERSION 3, ACCORDING TO RECIPIENTS CHOICE. | ||
| 13 | * | ||
| 14 | * The OpenModelica software and the OSMC (Open Source Modelica Consortium) Public License | ||
| 15 | * (OSMC-PL) are obtained from OSMC, either from the above address, from the URLs: | ||
| 16 | * http://www.openmodelica.org or https://github.com/OpenModelica/ or | ||
| 17 | * http://www.ida.liu.se/projects/OpenModelica, and in the OpenModelica distribution. GNU | ||
| 18 | * AGPL version 3 is obtained from: https://www.gnu.org/licenses/licenses.html#GPL. The BSD NEW | ||
| 19 | * License is obtained from: http://www.opensource.org/licenses/BSD-3-Clause. | ||
| 20 | * | ||
| 21 | * This program is distributed WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, EXCEPT AS EXPRESSLY | ||
| 23 | * SET FORTH IN THE BY RECIPIENT SELECTED SUBSIDIARY LICENSE CONDITIONS OF | ||
| 24 | * OSMC-PL. | ||
| 25 | * | ||
| 26 | */ | ||
| 27 | |||
| 28 | #include <stdio.h> | ||
| 29 | #include "omc_init.h" | ||
| 30 | #include "omc_stackoverflow.h" | ||
| 31 | |||
| 32 | #if defined(OM_HAVE_PTHREADS) | ||
| 33 | pthread_key_t mmc_thread_data_key = 0; | ||
| 34 | pthread_once_t mmc_init_once = PTHREAD_ONCE_INIT; | ||
| 35 | #else | ||
| 36 | threadData_t *OMC_MAIN_THREADDATA_NAME = 0; | ||
| 37 | #endif | ||
| 38 | |||
| 39 | 3847 | static void mmc_init_nogc_once(void) | |
| 40 | { | ||
| 41 | #if defined(OM_HAVE_PTHREADS) | ||
| 42 | 3847 | pthread_key_create(&mmc_thread_data_key,NULL); | |
| 43 | #endif | ||
| 44 | #if !defined(OMC_MINIMAL_RUNTIME) | ||
| 45 | /* Stack overflow detection is too expensive and fun for small targets | ||
| 46 | * C-code is usually not generated for stack overflow detection anyway... */ | ||
| 47 | 3847 | init_metamodelica_segv_handler(); | |
| 48 | #endif | ||
| 49 | 3847 | } | |
| 50 | |||
| 51 | /* The key and the signal handler's alternate stack are per process, but | ||
| 52 | * fmi{1,2,3}Instantiate calls this once per instance. */ | ||
| 53 | 3847 | void mmc_init_nogc(void) | |
| 54 | { | ||
| 55 | #if defined(OM_HAVE_PTHREADS) | ||
| 56 | static pthread_once_t nogc_once = PTHREAD_ONCE_INIT; | ||
| 57 | 3847 | pthread_once(&nogc_once, mmc_init_nogc_once); | |
| 58 | #else | ||
| 59 | static int initialized = 0; | ||
| 60 | if (!initialized) { | ||
| 61 | initialized = 1; | ||
| 62 | mmc_init_nogc_once(); | ||
| 63 | } | ||
| 64 | #endif | ||
| 65 | 3847 | } | |
| 66 | |||
| 67 | #if defined(OMC_MINIMAL_RUNTIME) | ||
| 68 | ✗ | void mmc_init(void) | |
| 69 | { | ||
| 70 | ✗ | fprintf(stderr, "Error: called mmc_init (requesting garbage collection) when OMC was compiled with a minimal runtime system."); | |
| 71 | ✗ | exit(1); | |
| 72 | } | ||
| 73 | #else | ||
| 74 | #include "../gc/omc_gc.h" | ||
| 75 | 3840 | void mmc_init(void) | |
| 76 | { | ||
| 77 | 3840 | mmc_init_nogc(); | |
| 78 | 2677 | mmc_GC_init(); | |
| 79 | 3840 | } | |
| 80 | #endif | ||
| 81 |