415 lines
11 KiB
C
415 lines
11 KiB
C
#include "config.h"
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <dlfcn.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include <sys/utsname.h>
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#include <limits.h>
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#include <fcntl.h>
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#ifdef HAVE_ALLOCA_H
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# include <alloca.h>
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#endif
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#include <Eina.h>
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static void env_set(const char *var, const char *val);
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EAPI int prefix_determine(char *argv0);
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static void
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env_set(const char *var, const char *val)
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{
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if (val)
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{
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#ifdef HAVE_SETENV
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setenv(var, val, 1);
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#else
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char *buf;
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size_t size = strlen(var) + 1 + strlen(val) + 1;
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buf = alloca(size);
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snprintf(buf, size, "%s=%s", var, val);
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if (getenv(var)) putenv(buf);
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else putenv(strdup(buf));
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#endif
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}
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else
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{
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#ifdef HAVE_UNSETENV
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unsetenv(var);
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#else
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if (getenv(var)) putenv(var);
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#endif
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}
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}
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/* local subsystem globals */
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static Eina_Prefix *pfx = NULL;
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/* externally accessible functions */
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EAPI int
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prefix_determine(char *argv0)
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{
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pfx = eina_prefix_new(argv0, prefix_determine,
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"E", "enlightenment", "AUTHORS",
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PACKAGE_BIN_DIR, PACKAGE_LIB_DIR,
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PACKAGE_DATA_DIR, LOCALE_DIR);
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if (!pfx) return 0;
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return 1;
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}
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static void
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precache(void)
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{
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FILE *f;
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char *home;
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char buf[4096], tbuf[256 * 1024];
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struct stat st;
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int l, fd, children = 0, cret;
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home = getenv("HOME");
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if (home) snprintf(buf, sizeof(buf), "%s/.e-precache", home);
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else snprintf(buf, sizeof(buf), "/tmp/.e-precache");
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f = fopen(buf, "r");
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if (!f) return;
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unlink(buf);
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if (fork()) return;
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// while (fgets(buf, sizeof(buf), f));
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// rewind(f);
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while (fgets(buf, sizeof(buf), f))
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{
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l = strlen(buf);
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if (l > 0) buf[l - 1] = 0;
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if (!fork())
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{
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if (buf[0] == 's') stat(buf + 2, &st);
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else if (buf[0] == 'o')
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{
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fd = open(buf + 2, O_RDONLY);
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if (fd >= 0)
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{
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while (read(fd, tbuf, 256 * 1024) > 0);
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close(fd);
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}
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}
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else if (buf[0] == 'd')
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{
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fd = open(buf + 2, O_RDONLY);
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if (fd >= 0)
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{
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while (read(fd, tbuf, 256 * 1024) > 0);
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close(fd);
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}
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}
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exit(0);
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}
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children++;
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if (children > 400)
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{
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wait(&cret);
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children--;
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}
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}
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fclose(f);
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while (children > 0)
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{
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wait(&cret);
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children--;
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}
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exit(0);
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}
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static int
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find_valgrind(char *path, size_t path_len)
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{
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const char *env = getenv("PATH");
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while (env)
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{
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const char *p = strchr(env, ':');
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ssize_t p_len;
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if (p) p_len = p - env;
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else p_len = strlen(env);
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if (p_len <= 0) goto next;
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else if (p_len + sizeof("/valgrind") >= path_len) goto next;
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memcpy(path, env, p_len);
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memcpy(path + p_len, "/valgrind", sizeof("/valgrind"));
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if (access(path, X_OK | R_OK) == 0) return 1;
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next:
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if (p) env = p + 1;
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else break;
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}
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path[0] = '\0';
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return 0;
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}
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/* maximum number of arguments added above */
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#define VALGRIND_MAX_ARGS 9
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/* bitmask with all supported bits set */
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#define VALGRIND_MODE_ALL 15
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static int
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valgrind_append(char **dst, int valgrind_mode, int valgrind_tool, char *valgrind_path, const char *valgrind_log)
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{
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int i = 0;
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if (valgrind_tool)
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{
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dst[i++] = valgrind_path;
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switch (valgrind_tool)
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{
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case 1: dst[i++] = "--tool=massif"; break;
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case 2: dst[i++] = "--tool=callgrind"; break;
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}
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return i;
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}
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if (!valgrind_mode) return 0;
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dst[i++] = valgrind_path;
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dst[i++] = "--track-origins=yes";
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dst[i++] = "--malloc-fill=13"; /* invalid pointer, make it crash */
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if (valgrind_log)
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{
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static char logparam[PATH_MAX + sizeof("--log-file=")];
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snprintf(logparam, sizeof(logparam), "--log-file=%s", valgrind_log);
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dst[i++] = logparam;
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}
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if (valgrind_mode & 2) dst[i++] = "--trace-children=yes";
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if (valgrind_mode & 4)
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{
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dst[i++] = "--leak-check=full";
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dst[i++] = "--leak-resolution=high";
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dst[i++] = "--track-fds=yes";
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}
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if (valgrind_mode & 8) dst[i++] = "--show-reachable=yes";
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return i;
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}
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static void
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copy_args(char **dst, char **src, size_t count)
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{
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for (; count > 0; count--, dst++, src++) *dst = *src;
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}
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int
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main(int argc, char **argv)
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{
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int i, do_precache = 0, valgrind_mode = 0;
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int valgrind_tool = 0;
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char buf[16384], **args, *p;
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char valgrind_path[PATH_MAX] = "";
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const char *valgrind_log = NULL;
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eina_init();
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prefix_determine(argv[0]);
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env_set("E_START", argv[0]);
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p = getenv("PATH");
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if (p) snprintf(buf, sizeof(buf), "%s:%s", eina_prefix_bin_get(pfx), p);
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else snprintf(buf, sizeof(buf), "%s", eina_prefix_bin_get(pfx));
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env_set("PATH", buf);
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p = getenv("LD_LIBRARY_PATH");
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if (p) snprintf(buf, sizeof(buf), "%s:%s", eina_prefix_lib_get(pfx), p);
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else snprintf(buf, sizeof(buf), "%s", eina_prefix_lib_get(pfx));
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env_set("LD_LIBRARY_PATH", buf);
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for (i = 1; i < argc; i++)
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{
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if (!strcmp(argv[i], "-no-precache")) do_precache = 0;
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else if (!strncmp(argv[i], "-valgrind", sizeof("-valgrind") - 1))
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{
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const char *val = argv[i] + sizeof("-valgrind") - 1;
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if (*val == '\0') valgrind_mode = 1;
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else if (*val == '-')
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{
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val++;
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if (!strncmp(val, "log-file=", sizeof("log-file=") - 1))
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{
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valgrind_log = val + sizeof("log-file=") - 1;
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if (*valgrind_log == '\0') valgrind_log = NULL;
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}
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}
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else if (*val == '=')
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{
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val++;
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if (!strcmp(val, "all")) valgrind_mode = VALGRIND_MODE_ALL;
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else valgrind_mode = atoi(val);
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}
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else
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printf("Unknown valgrind option: %s\n", argv[i]);
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}
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else if (!strcmp(argv[i], "-massif")) valgrind_tool = 1;
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else if (!strcmp(argv[i], "-callgrind")) valgrind_tool = 2;
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else if ((!strcmp(argv[i], "-h")) ||
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(!strcmp(argv[i], "-help")) ||
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(!strcmp(argv[i], "--help")))
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{
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printf
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(
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"Options:\n"
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"\t-no-precache\n"
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"\t\tDisable pre-caching of files\n"
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"\t-valgrind[=MODE]\n"
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"\t\tRun enlightenment from inside valgrind, mode is OR of:\n"
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"\t\t 1 = plain valgrind to catch crashes (default)\n"
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"\t\t 2 = trace children (thumbnailer, efm slaves, ...)\n"
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"\t\t 4 = check leak\n"
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"\t\t 8 = show reachable after processes finish.\n"
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"\t\t all = all of above\n"
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"\t-massif\n"
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"\t\tRun enlightenment from inside massif valgrind tool.\n"
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"\t-callgrind\n"
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"\t\tRun enlightenment from inside callgrind valgrind tool.\n"
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"\t-valgrind-log-file=<FILENAME>\n"
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"\t\tSave valgrind log to file, see valgrind's --log-file for details.\n"
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"\n"
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"Please run:\n"
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"\tenlightenment %s\n"
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"for more options.\n",
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argv[i]);
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exit(0);
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}
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}
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if (valgrind_mode || valgrind_tool)
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{
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if (!find_valgrind(valgrind_path, sizeof(valgrind_path)))
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{
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printf("E - valgrind required but no binary found! Ignoring request.\n");
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valgrind_mode = 0;
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}
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}
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printf("E - PID=%i, do_precache=%i, valgrind=%d", getpid(), do_precache, valgrind_mode);
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if (valgrind_mode)
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{
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printf(" valgrind-command='%s'", valgrind_path);
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if (valgrind_log) printf(" valgrind-log-file='%s'", valgrind_log);
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}
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putchar('\n');
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if (do_precache)
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{
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void *lib, *func;
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/* sanity checks - if precache might fail - check here first */
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lib = dlopen("libeina.so", RTLD_GLOBAL | RTLD_LAZY);
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if (!lib) dlopen("libeina.so.1", RTLD_GLOBAL | RTLD_LAZY);
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if (!lib) goto done;
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func = dlsym(lib, "eina_init");
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if (!func) goto done;
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lib = dlopen("libecore.so", RTLD_GLOBAL | RTLD_LAZY);
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if (!lib) dlopen("libecore.so.1", RTLD_GLOBAL | RTLD_LAZY);
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if (!lib) goto done;
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func = dlsym(lib, "ecore_init");
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if (!func) goto done;
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lib = dlopen("libecore_file.so", RTLD_GLOBAL | RTLD_LAZY);
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if (!lib) dlopen("libecore_file.so.1", RTLD_GLOBAL | RTLD_LAZY);
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if (!lib) goto done;
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func = dlsym(lib, "ecore_file_init");
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if (!func) goto done;
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lib = dlopen("libecore_x.so", RTLD_GLOBAL | RTLD_LAZY);
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if (!lib) dlopen("libecore_x.so.1", RTLD_GLOBAL | RTLD_LAZY);
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if (!lib) goto done;
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func = dlsym(lib, "ecore_x_init");
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if (!func) goto done;
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lib = dlopen("libevas.so", RTLD_GLOBAL | RTLD_LAZY);
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if (!lib) dlopen("libevas.so.1", RTLD_GLOBAL | RTLD_LAZY);
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if (!lib) goto done;
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func = dlsym(lib, "evas_init");
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if (!func) goto done;
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lib = dlopen("libedje.so", RTLD_GLOBAL | RTLD_LAZY);
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if (!lib) dlopen("libedje.so.1", RTLD_GLOBAL | RTLD_LAZY);
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if (!lib) goto done;
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func = dlsym(lib, "edje_init");
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if (!func) goto done;
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lib = dlopen("libeet.so", RTLD_GLOBAL | RTLD_LAZY);
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if (!lib) dlopen("libeet.so.0", RTLD_GLOBAL | RTLD_LAZY);
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if (!lib) goto done;
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func = dlsym(lib, "eet_init");
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if (!func) goto done;
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/* precache SHOULD work */
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snprintf(buf, sizeof(buf), "%s/enlightenment/preload/e_precache.so",
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eina_prefix_lib_get(pfx));
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env_set("LD_PRELOAD", buf);
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printf("E - PRECACHE GOING NOW...\n");
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fflush(stdout);
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precache();
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}
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done:
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/* mtrack memory tracker support */
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p = getenv("HOME");
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if (p)
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{
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FILE *f;
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/* if you have ~/.e-mtrack, then the tracker will be enabled
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* using the content of this file as the path to the mtrack.so
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* shared object that is the mtrack preload */
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snprintf(buf, sizeof(buf), "%s/.e-mtrack", p);
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f = fopen(buf, "r");
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if (f)
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{
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if (fgets(buf, sizeof(buf), f))
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{
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int len = strlen(buf);
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if ((len > 1) && (buf[len - 1] == '\n'))
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{
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buf[len - 1] = 0;
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len--;
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}
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env_set("LD_PRELOAD", buf);
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env_set("MTRACK", "track");
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env_set("E_START_MTRACK", "track");
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snprintf(buf, sizeof(buf), "%s/.e-mtrack.log", p);
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env_set("MTRACK_TRACE_FILE", buf);
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}
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fclose(f);
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}
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}
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/* try dbus-launch */
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snprintf(buf, sizeof(buf), "%s/enlightenment", eina_prefix_bin_get(pfx));
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args = alloca((argc + 2 + VALGRIND_MAX_ARGS) * sizeof(char *));
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if ((!getenv("DBUS_SESSION_BUS_ADDRESS")) &&
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(!getenv("DBUS_LAUNCHD_SESSION_BUS_SOCKET")))
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{
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args[0] = "dbus-launch";
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args[1] = "--exit-with-session";
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i = 2 + valgrind_append(args + 2, valgrind_mode, valgrind_tool, valgrind_path, valgrind_log);
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args[i++] = buf;
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copy_args(args + i, argv + 1, argc - 1);
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args[i + argc - 1] = NULL;
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execvp("dbus-launch", args);
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}
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/* dbus-launch failed - run e direct */
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i = valgrind_append(args, valgrind_mode, valgrind_tool, valgrind_path, valgrind_log);
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args[i++] = buf;
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copy_args(args + i, argv + 1, argc - 1);
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args[i + argc - 1] = NULL;
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execv(args[0], args);
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printf("FAILED TO RUN:\n");
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printf(" %s\n", buf);
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perror("execv");
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return -1;
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}
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