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-rw-r--r--src/bin/e_start_quicklaunch.c560
1 files changed, 560 insertions, 0 deletions
diff --git a/src/bin/e_start_quicklaunch.c b/src/bin/e_start_quicklaunch.c
new file mode 100644
index 000000000..1d3888e8e
--- /dev/null
+++ b/src/bin/e_start_quicklaunch.c
@@ -0,0 +1,560 @@
+#include "config.h"
+
+#include <Elementary.h>
+#include <sys/prctl.h>
+# ifdef E_API
+# undef E_API
+# endif
+# ifdef WIN32
+# ifdef BUILDING_DLL
+# define E_API __declspec(dllexport)
+# else
+# define E_API __declspec(dllimport)
+# endif
+# else
+# ifdef __GNUC__
+# if __GNUC__ >= 4
+/* BROKEN in gcc 4 on amd64 */
+# if 0
+# pragma GCC visibility push(hidden)
+# endif
+# define E_API __attribute__ ((visibility("default")))
+# else
+# define E_API
+# endif
+# else
+# define E_API
+# endif
+# endif
+
+static char e_cwd[PATH_MAX];
+static char **e_args;
+static int e_argc;
+static Eina_Bool e_usr1;
+static Ecore_Event_Handler *exit_handler;
+static Ecore_Event_Handler *signal_handler;
+
+static void env_set(const char *var, const char *val);
+E_API int prefix_determine(char *argv0);
+
+static int e_pid = -1;
+static Ecore_Exe *crash_exe;
+static Ecore_Exe *bt_exe;
+
+static void
+env_set(const char *var, const char *val)
+{
+ if (val)
+ {
+#ifdef HAVE_SETENV
+ setenv(var, val, 1);
+#else
+ char *buf;
+ size_t size = strlen(var) + 1 + strlen(val) + 1;
+
+ buf = alloca(size);
+ sprintf(buf, "%s=%s", var, val);
+ if (getenv(var)) putenv(buf);
+ else putenv(strdup(buf));
+#endif
+ }
+ else
+ {
+#ifdef HAVE_UNSETENV
+ unsetenv(var);
+#else
+ if (getenv(var)) putenv(var);
+#endif
+ }
+}
+
+/* local subsystem globals */
+static Eina_Prefix *pfx = NULL;
+
+/* externally accessible functions */
+E_API int
+prefix_determine(char *argv0)
+{
+ pfx = eina_prefix_new(argv0, prefix_determine,
+ "E", "enlightenment", "AUTHORS",
+ PACKAGE_BIN_DIR, PACKAGE_LIB_DIR,
+ PACKAGE_DATA_DIR, LOCALE_DIR);
+ if (!pfx) return 0;
+ return 1;
+}
+
+static int
+find_valgrind(char *path, size_t path_len)
+{
+ const char *env = getenv("PATH");
+
+ while (env)
+ {
+ const char *p = strchr(env, ':');
+ ssize_t p_len;
+
+ if (p) p_len = p - env;
+ else p_len = strlen(env);
+ if (p_len <= 0) goto next;
+ else if (p_len + sizeof("/valgrind") >= path_len)
+ goto next;
+ memcpy(path, env, p_len);
+ memcpy(path + p_len, "/valgrind", sizeof("/valgrind"));
+ if (access(path, X_OK | R_OK) == 0) return 1;
+next:
+ if (p) env = p + 1;
+ else break;
+ }
+ path[0] = '\0';
+ return 0;
+}
+
+/* maximum number of arguments added above */
+#define VALGRIND_MAX_ARGS 11
+/* bitmask with all supported bits set */
+#define VALGRIND_MODE_ALL 15
+
+static int
+valgrind_append(char **dst, int valgrind_gdbserver, int valgrind_mode, int valgrind_tool, char *valgrind_path, const char *valgrind_log)
+{
+ int i = 0;
+
+ if (valgrind_tool)
+ {
+ dst[i++] = valgrind_path;
+ switch (valgrind_tool)
+ {
+ case 1: dst[i++] = "--tool=massif"; break;
+
+ case 2: dst[i++] = "--tool=callgrind"; break;
+ }
+ return i;
+ }
+ if (valgrind_gdbserver) dst[i++] = "--db-attach=yes";
+ if (!valgrind_mode) return 0;
+ dst[i++] = valgrind_path;
+ dst[i++] = "--num-callers=40";
+ dst[i++] = "--track-origins=yes";
+ dst[i++] = "--malloc-fill=13"; /* invalid pointer, make it crash */
+ if (valgrind_log)
+ {
+ static char logparam[PATH_MAX + sizeof("--log-file=")];
+
+ snprintf(logparam, sizeof(logparam), "--log-file=%s", valgrind_log);
+ dst[i++] = logparam;
+ }
+ if (valgrind_mode & 2) dst[i++] = "--trace-children=yes";
+ if (valgrind_mode & 4)
+ {
+ dst[i++] = "--leak-check=full";
+ dst[i++] = "--leak-resolution=high";
+ dst[i++] = "--track-fds=yes";
+ }
+ if (valgrind_mode & 8) dst[i++] = "--show-reachable=yes";
+ return i;
+}
+
+static void
+copy_args(char **dst, char **src, size_t count)
+{
+ for (; count > 0; count--, dst++, src++)
+ *dst = *src;
+}
+
+static void
+_env_path_prepend(const char *env, Eina_Strbuf *buf)
+{
+ char *p;
+ const char *p2;
+ int len = 0, len2 = 0;
+
+ p = getenv(env);
+ p2 = eina_strbuf_string_get(buf);
+ len2 = eina_strbuf_length_get(buf);
+ if (p)
+ {
+ len = strlen(p);
+ // path already there at the start. don't prepend. :)
+ if ((!strcmp(p, p2)) ||
+ ((len > len2) &&
+ (!strncmp(p, p2, len2)) &&
+ (p[len2] == ':')))
+ return;
+ }
+ if (p)
+ {
+ if (p[len - 1] != ':')
+ eina_strbuf_append_printf(buf, ":%s", p);
+ else
+ eina_strbuf_append(buf, p);
+ }
+ env_set(env, eina_strbuf_string_get(buf));
+}
+
+static void
+_env_path_append(const char *env, Eina_Strbuf *buf)
+{
+ char *p;
+ const char *p2;
+ int len = 0, len2 = 0;
+
+ p = getenv(env);
+ p2 = eina_strbuf_string_get(buf);
+ len2 = eina_strbuf_length_get(buf);
+ if (p)
+ {
+ len = strlen(p);
+ // path already there at the end. don't append. :)
+ if ((!strcmp(p, p2)) ||
+ ((len > len2) &&
+ (!strcmp((p + len - len2), p2)) &&
+ (p[len - len2 - 1] == ':')))
+ return;
+ }
+ if (p)
+ {
+ if (len && (p[len - 1] != ':'))
+ eina_strbuf_prepend_printf(buf, "%s:", p);
+ else if (len)
+ eina_strbuf_prepend(buf, p);
+ }
+ env_set(env, eina_strbuf_string_get(buf));
+}
+
+static void
+_print_usage(const char *hstr)
+{
+ printf("Options:\n"
+ "\t-valgrind[=MODE]\n"
+ "\t\tRun enlightenment from inside valgrind, mode is OR of:\n"
+ "\t\t 1 = plain valgrind to catch crashes (default)\n"
+ "\t\t 2 = trace children (thumbnailer, efm slaves, ...)\n"
+ "\t\t 4 = check leak\n"
+ "\t\t 8 = show reachable after processes finish.\n"
+ "\t\t all = all of above\n"
+ "\t-massif\n"
+ "\t\tRun enlightenment from inside massif valgrind tool.\n"
+ "\t-callgrind\n"
+ "\t\tRun enlightenment from inside callgrind valgrind tool.\n"
+ "\t-valgrind-log-file=<FILENAME>\n"
+ "\t\tSave valgrind log to file, see valgrind's --log-file for details.\n"
+ "\n"
+ "Please run:\n"
+ "\tenlightenment %s\n"
+ "for more options.\n",
+ hstr);
+ exit(0);
+}
+
+static Eina_Bool
+_sig_continue(int sig)
+{
+ return (sig != SIGSEGV &&
+ sig != SIGFPE &&
+// sig != SIGBUS &&
+ sig != SIGABRT);
+}
+
+static void
+post_fork()
+{
+ ecore_event_handler_del(exit_handler);
+ ecore_event_handler_del(signal_handler);
+ e_pid = -1;
+ e_args = NULL;
+ e_argc = -1;
+ prctl(PR_SET_NAME, "enlightenment", NULL, NULL, NULL);
+ prctl(PR_SET_PDEATHSIG, SIGKILL);
+}
+
+static void
+_e_start_child()
+{
+ Eina_Bool first = e_pid == -1;
+ // Try new form before trying old form
+ if (!efl_quicklaunch_prepare(e_argc, e_args, e_cwd))
+ if (!elm_quicklaunch_prepare(e_argc, e_args, e_cwd))
+ {
+ fprintf(stderr, "could not dlopen enlightenment binary\n");
+ exit(-1);
+ }
+
+ e_pid = elm_quicklaunch_fork(e_argc, e_args, e_cwd, post_fork, NULL);
+ elm_quicklaunch_cleanup();
+ if (e_pid == -1) exit(-1);
+ if (first) env_set("E_RESTART", "1");
+}
+
+static Eina_Bool
+do_backtrace(void *buf)
+{
+ bt_exe = ecore_exe_run(buf, NULL);
+ free(buf);
+ return EINA_FALSE;
+}
+
+static void
+_e_call_gdb(int child, const char *home)
+{
+ char buf[4096];
+ /* call e_sys gdb */
+ snprintf(buf, sizeof(buf),
+ "coredumpctl --no-pager -q dump %d > /dev/null 2> '%s/.e-crashdump.%d.txt'",
+ child, home, child);
+ ecore_timer_loop_add(0.25, do_backtrace, strdup(buf));
+ fprintf(stderr, "called coredumpctl dump with '%s'\n", buf);
+}
+
+static void
+_e_call_alert(int child, int sig, int exit_gdb, const char *home)
+{
+ char path[PATH_MAX] = {0}, buf[4096];
+
+ if (home)
+ snprintf(path, sizeof(path),
+ " '%s/.e-crashdump.%d.txt'",
+ home, child);
+ snprintf(buf, sizeof(buf),
+ "%s/enlightenment/utils/enlightenment_alert %i %i %i%s",
+ eina_prefix_lib_get(pfx),
+ (e_usr1 && (sig == SIGSEGV)) ? SIGILL : sig,
+ child,
+ exit_gdb, path);
+ crash_exe = ecore_exe_run(buf, NULL);
+}
+
+static int
+path_contains(const char *path)
+{
+ char *realp, *realp2, *env2 = NULL, *p, *p2;
+ char buf[PATH_MAX], buf2[PATH_MAX];
+ const char *env;
+ ssize_t p_len;
+ int ret = 0;
+
+ if (!path) return ret;
+ realp = realpath(path, buf);
+ if (!realp) realp = (char *)path;
+
+ env = getenv("PATH");
+ if (!env) goto done;
+ env2 = strdup(env);
+ if (!env2) goto done;
+
+ p = env2;
+ while (p)
+ {
+ p2 = strchr(p, ':');
+
+ if (p2) p_len = p2 - p;
+ else p_len = strlen(p);
+
+ if (p_len <= 0) goto next;
+ if (p2) *p2 = 0;
+ realp2 = realpath(p, buf2);
+ if (realp2)
+ {
+ if (!strcmp(realp, realp2)) goto ok;
+ }
+ else
+ {
+ if (!strcmp(realp, p)) goto ok;
+ }
+next:
+ if (p2) p = p2 + 1;
+ else break;
+ }
+ // failed to find
+ goto done;
+ok:
+ ret = 1;
+done:
+ free(env2);
+ return ret;
+}
+
+static Eina_Bool
+e_exited(void *d EINA_UNUSED, int t EINA_UNUSED, Ecore_Exe_Event_Del *ev)
+{
+ if (ev->pid == e_pid)
+ {
+ if (ev->signalled)
+ {
+ if (!_sig_continue(ev->exit_signal))
+ {
+ char *home = getenv("HOME");
+ /* And call gdb if available */
+ if (home)
+ _e_call_gdb(e_pid, home);
+ _e_call_alert(e_pid, ev->exit_signal, 0, home);
+ e_pid = -1;
+ }
+ }
+ else if (ev->exited) _exit(0);
+ }
+ else if (crash_exe && (ev->pid == ecore_exe_pid_get(crash_exe)))
+ {
+ crash_exe = NULL;
+ if (!bt_exe)
+ {
+ if (ev->exited && (ev->exit_code == 1))
+ _e_start_child();
+ else
+ _exit(1);
+ }
+ }
+ else if (bt_exe && (ev->pid == ecore_exe_pid_get(bt_exe)))
+ {
+ if (ev->exit_code) //failed, probably not ready yet
+ ecore_timer_loop_add(0.25, do_backtrace, strdup(ecore_exe_cmd_get(bt_exe)));
+ bt_exe = NULL;
+ if ((!crash_exe) && (e_pid == -1)) _e_start_child();
+ }
+ return ECORE_CALLBACK_RENEW;
+}
+
+static Eina_Bool
+e_signal(void *d EINA_UNUSED, int t EINA_UNUSED, Ecore_Event_Signal_User *ev)
+{
+ if (ev->data.si_pid != e_pid) return ECORE_CALLBACK_RENEW;
+ if (ev->data.si_signo == SIGUSR1) e_usr1 = 1;
+ return ECORE_CALLBACK_RENEW;
+}
+
+int
+main(int argc, char **argv)
+{
+ int i, valgrind_mode = 0;
+ int valgrind_tool = 0;
+ int valgrind_gdbserver = 0;
+ char *home;
+ char valgrind_path[PATH_MAX] = "";
+ const char *valgrind_log = NULL;
+ const char *bindir;
+ Eina_Bool really_know = EINA_FALSE;
+ Eina_Strbuf *buf;
+
+ unsetenv("NOTIFY_SOCKET");
+
+ elm_init(argc, argv);
+ prefix_determine(argv[0]);
+
+ env_set("E_START", argv[0]);
+
+ for (i = 1; i < argc; i++)
+ {
+ if ((!strcmp(argv[i], "-h")) || (!strcmp(argv[i], "-help")) ||
+ (!strcmp(argv[i], "--help")))
+ {
+ _print_usage(argv[i]);
+ }
+ if (!strcmp(argv[i], "-valgrind-gdb"))
+ valgrind_gdbserver = 1;
+ else if (!strcmp(argv[i], "-massif"))
+ valgrind_tool = 1;
+ else if (!strcmp(argv[i], "-callgrind"))
+ valgrind_tool = 2;
+ else if (!strcmp(argv[i], "-display"))
+ {
+ i++;
+ env_set("DISPLAY", argv[i]);
+ }
+ else if (!strncmp(argv[i], "-valgrind", sizeof("-valgrind") - 1))
+ {
+ const char *val = argv[i] + sizeof("-valgrind") - 1;
+ switch (*val)
+ {
+ case '\0':
+ valgrind_mode = 1;
+ break;
+ case '=':
+ val++;
+ if (!strcmp(val, "all")) valgrind_mode = VALGRIND_MODE_ALL;
+ else valgrind_mode = atoi(val);
+ break;
+ case '-':
+ val++;
+ if (!strncmp(val, "log-file=", sizeof("log-file=") - 1))
+ {
+ valgrind_log = val + sizeof("log-file=") - 1;
+ if (*valgrind_log == '\0') valgrind_log = NULL;
+ }
+ break;
+ default:
+ printf("Unknown valgrind option: %s\n", argv[i]);
+ break;
+ }
+ }
+ else if (!strcmp(argv[i], "-i-really-know-what-i-am-doing-and-accept"
+ "-full-responsibility-for-it"))
+ {
+ really_know = EINA_TRUE;
+ }
+ }
+
+ buf = eina_strbuf_new();
+ bindir = eina_prefix_bin_get(pfx);
+ if (!path_contains(bindir))
+ {
+ eina_strbuf_append(buf, bindir);
+ if (really_know) _env_path_append("PATH", buf);
+ else _env_path_prepend("PATH", buf);
+ }
+
+ if ((valgrind_mode || valgrind_tool) &&
+ !find_valgrind(valgrind_path, sizeof(valgrind_path)))
+ {
+ printf("E - valgrind required but no binary found! Ignoring request.\n");
+ valgrind_mode = 0;
+ }
+
+ printf("E - PID=%i, valgrind=%d", getpid(), valgrind_mode);
+ if (valgrind_mode)
+ {
+ printf(" valgrind-command='%s'", valgrind_path);
+ if (valgrind_log)
+ printf(" valgrind-log-file='%s'", valgrind_log);
+ }
+ putchar('\n');
+
+ home = getenv("HOME");
+ eina_strbuf_reset(buf);
+ if (home)
+ {
+ const char *tmps = getenv("XDG_DATA_HOME");
+
+ if (tmps)
+ eina_strbuf_append_printf(buf, "%s/Applications/.bin", tmps);
+ else
+ eina_strbuf_append_printf(buf, "%s/Applications/.bin", home);
+
+ if (really_know)
+ _env_path_append("PATH", buf);
+ else
+ _env_path_prepend("PATH", buf);
+ }
+ eina_strbuf_reset(buf);
+
+ /* run e directly now */
+ eina_strbuf_append_printf(buf, "%s/enlightenment", eina_prefix_bin_get(pfx));
+
+ e_args = alloca((argc + 2 + VALGRIND_MAX_ARGS) * sizeof(char *));
+ i = valgrind_append(e_args, valgrind_gdbserver, valgrind_mode, valgrind_tool,
+ valgrind_path, valgrind_log);
+ e_args[i++] = eina_strbuf_string_steal(buf);
+ copy_args(e_args + i, argv + 1, argc - 1);
+ e_args[i + argc - 1] = NULL;
+ e_argc = i + argc - 1;
+ eina_strbuf_free(buf);
+
+ if (valgrind_tool || valgrind_mode)
+ really_know = EINA_TRUE;
+
+ getcwd(e_cwd, sizeof(e_cwd) - 1);
+ ecore_job_add(_e_start_child, NULL);
+ exit_handler = ecore_event_handler_add(ECORE_EXE_EVENT_DEL, (Ecore_Event_Handler_Cb)e_exited, NULL);
+ signal_handler = ecore_event_handler_add(ECORE_EVENT_SIGNAL_USER, (Ecore_Event_Handler_Cb)e_signal, NULL);
+ ecore_main_loop_begin();
+
+ return 0;
+}