/* Copyright (C) 2008, Gabriel Dos Reis. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. - Neither the name of The Numerical Algorithms Group Ltd. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "openaxiom-c-macros.h" #include #include #include #include "utils.h" #include /* The basename of the file holding the OpenAxiom core executable. */ #define OPENAXIOM_CORE_EXECUTABLE \ "AXIOMsys" OPENAXIOM_EXEEXT /* The basename of the file holding the session manager executable. */ #define OPENAXIOM_SMAN_EXECUTABLE \ "sman" OPENAXIOM_EXEEXT /* Path to the OpenAxiom executable core, relative to OPENAXIOM_ROOT_DIRECTORY, or to the system root directory as specified on command line. */ #define OPENAXIOM_CORE_PATH \ "/bin/" OPENAXIOM_CORE_EXECUTABLE /* Path to the session manager, relative to OPENAXIOM_ROOT_DIRECTORY, or to the system root directory as specified on command line. */ #define OPENAXIOM_SMAN_PATH \ "/bin/" OPENAXIOM_SMAN_EXECUTABLE /* Name of the entry point for Lisp-based OpenAxiom. */ #define OPENAXIOM_LISP_CORE_ENTRY_POINT \ "|AxiomCore|::|topLevel|" /* Return a path to the running system, either as specified on command line through --system=, or as specified at configuration time. */ const char* openaxiom_get_systemdir(int argc, char* argv[]) { int i; /* Root directory specified on command line takes precedence over location specified at configuration time. */ for (i = 1; i < argc; ++i) if (strcmp("--", argv[i]) == 0) break; else if (strncmp("--system=", argv[i], sizeof("--system=") - 1) == 0) { return argv[i] + sizeof ("--system=") - 1; } /* Command line did not change the system location to use. Return what was computed at configuration time. */ return OPENAXIOM_ROOT_DIRECTORY; } /* Return the path to `driver'. */ static const char* get_driver_name(openaxiom_driver driver) { switch (driver) { case openaxiom_sman_driver: return OPENAXIOM_SMAN_PATH; case openaxiom_script_driver: case openaxiom_compiler_driver: case openaxiom_core_driver: return OPENAXIOM_CORE_PATH; default: abort(); } } /* Return a path for PROG specified as a relative path to PREFIX. */ const char* openaxiom_make_path_for(const char* prefix, openaxiom_driver driver) { const int prefix_length = strlen(prefix); const char* prog = get_driver_name(driver); char* execpath = (char*) malloc(prefix_length + strlen(prog) + 1); strcpy(execpath, prefix); strcpy(execpath + prefix_length, prog); return execpath; } /* Build arguments, if any, to be supplied to the runtime system of `driver'. */ void openaxiom_build_rts_options(openaxiom_command* command, openaxiom_driver driver) { switch (driver) { case openaxiom_sman_driver: case openaxiom_unknown_driver: break; case openaxiom_core_driver: break; case openaxiom_compiler_driver: case openaxiom_script_driver: switch (OPENAXIOM_BASE_RTS) { case openaxiom_gcl_runtime: command->rt_argc = 3; command->rt_argv = (char **) malloc(command->rt_argc * sizeof (char*)); command->rt_argv[0] = "-batch"; command->rt_argv[1] = "-eval"; command->rt_argv[2] = "(" OPENAXIOM_LISP_CORE_ENTRY_POINT ")"; break; case openaxiom_sbcl_runtime: command->rt_argc = 3; command->rt_argv = (char **) malloc(command->rt_argc * sizeof (char*)); command->rt_argv[0] = "--noinform"; command->rt_argv[1] = "--end-runtime-options"; command->rt_argv[2] = "--noprint"; command->rt_argv[3] = "--end-toplevel-options"; break; default: abort(); } break; default: abort(); } } #if OPENAXIOM_USE_SMAN # define OPENAXIOM_DEFAULT_DRIVER openaxiom_sman_driver #else # define OPENAXIOM_DEFAULT_DRIVER openaxiom_core_driver #endif /* Determine driver to be used for executing `command'. */ openaxiom_driver openaxiom_preprocess_arguments(openaxiom_command* command, int argc, char** argv) { int i; int other = 1; int files = 0; openaxiom_driver driver = openaxiom_unknown_driver; command->root_dir = openaxiom_get_systemdir(argc, argv); for (i = 1; i < argc; ++i) if(strcmp(argv[i], "--no-server") == 0) driver = openaxiom_core_driver; else if (strcmp(argv[i], "--server") == 0) driver = openaxiom_sman_driver; else { if (strcmp(argv[i], "--script") == 0) driver = openaxiom_script_driver; else if(strcmp(argv[i], "--compile") == 0) driver = openaxiom_compiler_driver; else { if (argv[i][0] == '-') /* Maybe option for the driver. */ ; else if (strlen(argv[i]) > 0) /* Assume a file. */ ++files; else /* Silly. */ continue; } /* Save it for the core executable. */ argv[other++] = argv[i]; } command->core_argc = other; command->core_argv = argv; /* If we have a file but not instructed to compiler, assume we are asked to interpret a script. */ if (files > 0) switch (driver) { case openaxiom_unknown_driver: case openaxiom_sman_driver: command->core_argc += 1; command->core_argv = (char**) malloc((other + 2) * sizeof(char*)); command->core_argv[0] = argv[0]; command->core_argv[1] = "--script"; for (i = 0; i < other; ++i) command->core_argv[2 + i] = argv[1 + i]; driver = openaxiom_script_driver; break; default: /* Driver specified by user. */ break; } else if (driver == openaxiom_unknown_driver) driver = OPENAXIOM_DEFAULT_DRIVER; command->core_argv[command->core_argc] = NULL; openaxiom_build_rts_options(command, driver); return driver; } /* Execute the Core Executable as described by `command'. On POSIX systems, this is a non-return function on success. See execv(). */ int openaxiom_execute_core(const openaxiom_command* command, openaxiom_driver driver) { const char* execpath = openaxiom_make_path_for(command->root_dir, driver); #ifdef __WIN32__ char* command_line; int cur = strlen(command->core_argv[0]); int command_line_length = 0; int i; PROCESS_INFORMATION procInfo; STARTUPINFO startupInfo = { 0 }; DWORD status; /* Exit code for this program masqueraded as the child created below. */ /* How long is the final command line for the MS system? */ command_line_length += cur; for (i = 0; i < command->rt_argc; ++i) command_line_length += 1 /* blank char as separator */ + 2 /* quotes around every argument. */ + strlen(command->rt_argv[i]); /* room for each argument */ /* Don't forget room for the doubledash string. */ command_line_length += sizeof("--") - 1; /* And arguments to the actual command. */ for (i = 1; i < command->core_argc; ++i) command_line_length += 1 + 2 + strlen(command->core_argv[i]); /* Now, build the actual command line. This is done by concatenating the arguments into a single string. */ command_line = (char*) malloc(command_line_length + 1); strcpy(command_line, command->core_argv[0]); for (i = 0; i < command->rt_argc; ++i) { const int arg_length = strlen(command->rt_argv[i]); command_line[cur++] = ' '; command_line[cur++] = '"'; strcpy(command_line + cur, command->rt_argv[i]); cur += arg_length; command_line[cur++] = '"'; } command_line[cur++] = ' '; command_line[cur++] = '-'; /* start arguments to the core executable. */ command_line[cur++] = '-'; for (i = 1; i < command->core_argc; ++i) { const int arg_length = strlen(command->core_argv[i]); command_line[cur++] = ' '; command_line[cur++] = '"'; strcpy(command_line + cur, command->core_argv[i]); cur += arg_length; command_line[cur++] = '"'; } command_line[cur] = '\0'; /* The command line is done. */ if(CreateProcess(/* lpApplicationName */ execpath, /* lpCommandLine */ command_line, /* lpProcessAttributes */ NULL, /* lpThreadAttributes */ NULL, /* bInheritHandles */ TRUE, /* dwCreationFlags */ 0, /* lpEnvironment */ NULL, /* lpCurrentDirectory */ NULL, /* lpstartupInfo */ &startupInfo, /* lpProcessInformation */ &procInfo) == 0) { fprintf(stderr, "error %d\n", GetLastError()); abort(); } WaitForSingleObject(procInfo.hProcess, INFINITE); GetExitCodeProcess(procInfo.hProcess, &status); CloseHandle(procInfo.hThread); CloseHandle(procInfo.hProcess); return status; #else /* __WIN32__ */ int i; char** args = (char**) malloc(sizeof (char*) * (command->rt_argc + command->core_argc + 2)); args[0] = command->core_argv[0]; for (i = 0; i < command->rt_argc; ++i) args[i + 1] = command->rt_argv[i]; if (command->core_argc > 1) { /* Insert a doubledash to indicate beginning of arguments. */ args[command->rt_argc + 1] = "--"; for (i = 1; i < command->core_argc; ++i) args[command->rt_argc + i + 1] = command->core_argv[i]; args[command->rt_argc + command->core_argc + 1] = NULL; } else args[command->rt_argc + command->core_argc] = NULL; execv(execpath, args); perror(strerror(errno)); return -1; #endif /* __WIN32__ */ }