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cebix |
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/* |
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* main.cpp - "mon" main program |
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* |
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* (C) 1997-1999 Christian Bauer |
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*/ |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include "mon.h" |
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#if __BEOS__ |
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#include <AppKit.h> |
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#include <KernelKit.h> |
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#include <StorageKit.h> |
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// Detect if program was launched from Shell or Tracker |
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static bool launched_from_tracker(void) |
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{ |
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char *cmd = getenv("_"); |
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if (cmd == NULL || strlen(cmd) < 7) |
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return false; |
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return !strcmp(cmd + strlen(cmd) - 7 , "Tracker"); |
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} |
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// Open Terminal window with given title for stdio, returns false on error |
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static bool open_stdio(const char *title) |
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{ |
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// Create key |
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char key_name[64]; |
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bigtime_t t = system_time(); |
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sprintf(key_name, "%Ld", t); |
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// Make pipe names |
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char out_pipe_name[64], in_pipe_name[64]; |
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sprintf(out_pipe_name, "/pipe/debug_out_%s", key_name); |
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sprintf(in_pipe_name, "/pipe/debug_in_%s", key_name); |
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// Create semaphore |
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char sem_name[B_OS_NAME_LENGTH], sem_id_str[B_OS_NAME_LENGTH]; |
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sprintf(sem_name, "debug_glue_%s", key_name); |
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sem_id glue_sem = create_sem(0, sem_name); |
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sprintf(sem_id_str, "%d", glue_sem); |
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// Make path for "Terminal" app |
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char term_path[B_PATH_NAME_LENGTH]; |
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find_directory(B_BEOS_APPS_DIRECTORY, -1, false, term_path, 1024); |
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strcat(term_path, "/Terminal"); |
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// Load "Terminal" |
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char *t_argv[6]; |
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t_argv[0] = term_path; |
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t_argv[1] = "-t"; |
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t_argv[2] = (char *)title; |
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t_argv[3] = "/bin/debug_glue"; |
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t_argv[4] = key_name; |
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t_argv[5] = sem_id_str; |
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thread_id th = load_image(6, t_argv, environ); |
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if (th < 0) { |
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delete_sem(glue_sem); |
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return false; |
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} |
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// Start "Terminal" |
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resume_thread(th); |
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status_t err = acquire_sem_etc(glue_sem, 1, B_TIMEOUT, 5000000); |
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delete_sem(glue_sem); |
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if (err) |
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return false; |
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// Open input/output pipes |
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FILE *in = freopen(in_pipe_name, "rb", stdin); |
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if (in == NULL) |
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return false; |
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FILE *out = freopen(out_pipe_name, "wb", stdout); |
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if (out == NULL) { |
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fclose(in); |
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return false; |
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} |
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// Set buffer modes |
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setvbuf(stdout, NULL, _IOLBF, 0); |
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return true; |
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} |
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#endif |
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// Main program |
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int main(int argc, char **argv) |
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{ |
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#if __BEOS__ |
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// Launched from Tracker? Then open terminal window |
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if (launched_from_tracker()) { |
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if (!open_stdio("mon")) |
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return 1; |
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} |
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#endif |
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// Execute mon |
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mon_init(); |
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mon(argc, argv); |
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mon_exit(); |
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return 0; |
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} |
