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Use fork to start other instances

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This should help with #472 when multiple files are opened.

Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>
This commit is contained in:
Sebastian Ramacher 2015-11-24 01:03:18 +01:00
parent 12f57fb76a
commit b5df57c1e1
1 changed files with 24 additions and 72 deletions
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96
zathura/main.c
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@ -211,8 +211,26 @@ main(int argc, char* argv[])
return -1; return -1;
} }
size_t file_idx = argc > 1 ? 1 : 0;
/* Fork instances for other files. */
if (print_version == false && argc > 2) {
for (int idx = 2; idx < argc; ++idx) {
const pid_t pid = fork();
if (pid == 0) { /* child */
file_idx = idx;
if (setsid() == -1) {
girara_error("Could not start new process group: %s", strerror(errno));
return -1;
}
} else if (pid < 0) { /* error */
girara_error("Could not fork: %s", strerror(errno));
return -1;
}
}
}
/* Fork into the background if the user really wants to ... */ /* Fork into the background if the user really wants to ... */
if (forkback == true) { if (print_version == false && forkback == true && file_idx < 2) {
const pid_t pid = fork(); const pid_t pid = fork();
if (pid > 0) { /* parent */ if (pid > 0) { /* parent */
return 0; return 0;
@ -227,10 +245,10 @@ main(int argc, char* argv[])
} }
} }
/* init gtk */ /* Initialize GTK+ */
gtk_init(&argc, &argv); gtk_init(&argc, &argv);
/* create zathura session */ /* Create zathura session */
zathura_t* zathura = init_zathura(config_dir, data_dir, cache_dir, zathura_t* zathura = init_zathura(config_dir, data_dir, cache_dir,
#ifdef GDK_WINDOWING_X11 #ifdef GDK_WINDOWING_X11
plugin_path, argv, synctex_editor, embed); plugin_path, argv, synctex_editor, embed);
@ -255,82 +273,16 @@ main(int argc, char* argv[])
} }
/* open document if passed */ /* open document if passed */
if (argc > 1) { if (file_idx != 0) {
if (page_number > 0) { if (page_number > 0) {
--page_number; --page_number;
} }
#ifdef WITH_SYNCTEX #ifdef WITH_SYNCTEX
document_open_idle(zathura, argv[1], password, page_number, mode, synctex_fwd); document_open_idle(zathura, argv[file_idx], password, page_number, mode, synctex_fwd);
#else #else
document_open_idle(zathura, argv[1], password, page_number, mode, NULL); document_open_idle(zathura, argv[file_idx], password, page_number, mode, NULL);
#endif #endif
} }
if (argc > 2) {
char* new_argv[2 * sizeof(entries) / sizeof(GOptionEntry) + 3] = {
NULL
};
size_t idx = 0;
new_argv[idx++] = g_strdup(zathura->global.arguments[0]);
/* pass arguments to new process */
if (config_dir != NULL) {
new_argv[idx++] = g_strdup("--config-dir");
new_argv[idx++] = g_strdup(config_dir);
}
if (data_dir != NULL) {
new_argv[idx++] = g_strdup("--data-dir");
new_argv[idx++] = g_strdup(data_dir);
}
if (cache_dir != NULL) {
new_argv[idx++] = g_strdup("--cache-dir");
new_argv[idx++] = g_strdup(cache_dir);
}
if (plugin_path != NULL) {
new_argv[idx++] = g_strdup("--plugins-dir");
new_argv[idx++] = g_strdup(plugin_path);
}
/* no need to pass fork */
if (password != NULL) {
new_argv[idx++] = g_strdup("--password");
new_argv[idx++] = g_strdup(password);
}
if (page_number != ZATHURA_PAGE_NUMBER_UNSPECIFIED) {
new_argv[idx++] = g_strdup("--page");
new_argv[idx++] = g_strdup_printf("%d", page_number);
}
if (loglevel != NULL) {
new_argv[idx++] = g_strdup("--debug");
new_argv[idx++] = g_strdup(loglevel);
}
#ifdef WITH_SYNCTEX
if (synctex_editor != NULL) {
new_argv[idx++] = g_strdup("--synctex-editor-command");
new_argv[idx++] = g_strdup(synctex_editor);
}
if (synctex_fwd != NULL) {
new_argv[idx++] = g_strdup("--synctex-forward");
new_argv[idx++] = g_strdup(synctex_fwd);
}
#endif
/* no need to pass synctex-pid */
if (mode != NULL) {
new_argv[idx++] = g_strdup("--mode");
new_argv[idx++] = g_strdup(mode);
}
/* open additional files */
for (int i = 2; i < argc; i++) {
g_free(new_argv[idx]);
new_argv[idx] = g_strdup(argv[i]);
g_spawn_async(NULL, new_argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, NULL);
}
for (size_t s = 0; s <= idx; ++s) {
g_free(new_argv[s]);
}
}
/* run zathura */ /* run zathura */
gtk_main(); gtk_main();