e->used = backtrace((void **) e->bt, XBT_BACKTRACE_SIZE);
if (e->used == 0) {
fprintf(stderr, "The backtrace() function failed, which probably means that the memory is exhausted. Here is a crude dump of the exception that I was trying to build:");
- fprintf(stderr, "%s:%s(%d) [%s:%d] %s", e->host,e->procname,e->pid, e->file,e->line,e->msg);
+ fprintf(stderr, "%s(%d) [%s:%d] %s",
+ e->procname, e->pid, e->file, e->line, e->msg);
fprintf(stderr, "Bailing out now since there is nothing I can do without a decent amount of memory. Please go fix the memleaks\n");
exit(1);
}
e->bt_strings = NULL;
- if (!xbt_binary_name) /* no binary name, nothing to do */
+ if (xbt_binary_name == NULL) /* no binary name, nothing to do */
return;
if (e->used <= 1)
e->bt_strings = xbt_new(char *, 1);
e->bt_strings[0] =
- bprintf("(binary '%s' not found the path)", xbt_binary_name);
+ bprintf("(binary '%s' not found in the PATH)", xbt_binary_name);
free(backtrace_syms);
return;
}
}
for (i = 0; i < e->used; i++) {
- char *fgets_res;
XBT_DEBUG("Looking for symbol %d, addr = '%s'", i, addrs[i]);
- fgets_res = fgets(line_func, 1024, pipe);
- if (fgets_res == NULL)
- THROWF(system_error, 0,
- "Cannot run fgets to look for symbol %d, addr %s", i,
- addrs[i]);
- line_func[strlen(line_func) - 1] = '\0';
- fgets_res = fgets(line_pos, 1024, pipe);
- if (fgets_res == NULL)
- THROWF(system_error, 0,
- "Cannot run fgets to look for symbol %d, addr %s", i,
- addrs[i]);
- line_pos[strlen(line_pos) - 1] = '\0';
-
- if (strcmp("??", line_func)) {
+ if (fgets(line_func, 1024, pipe)) {
+ line_func[strlen(line_func) - 1] = '\0';
+ } else {
+ XBT_VERB("Cannot run fgets to look for symbol %d, addr %s", i, addrs[i]);
+ strcpy(line_func, "???");
+ }
+ if (fgets(line_pos, 1024, pipe)) {
+ line_pos[strlen(line_pos) - 1] = '\0';
+ } else {
+ XBT_VERB("Cannot run fgets to look for symbol %d, addr %s", i, addrs[i]);
+ strcpy(line_pos, backtrace_syms[i]);
+ }
+
+ if (strcmp("??", line_func) != 0) {
XBT_DEBUG("Found static symbol %s() at %s", line_func, line_pos);
e->bt_strings[i] =
bprintf("** In %s() at %s", line_func, line_pos);
if (!subpipe) {
xbt_die("Cannot fork addr2line to display the backtrace");
}
- fgets_res = fgets(line_func, 1024, subpipe);
- if (fgets_res == NULL)
- THROWF(system_error, 0, "Cannot read result of subcommand %s",
- subcmd);
- line_func[strlen(line_func) - 1] = '\0';
- fgets_res = fgets(line_pos, 1024, subpipe);
- if (fgets_res == NULL)
- THROWF(system_error, 0, "Cannot read result of subcommand %s",
- subcmd);
- line_pos[strlen(line_pos) - 1] = '\0';
+ if (fgets(line_func, 1024, subpipe)) {
+ line_func[strlen(line_func) - 1] = '\0';
+ } else {
+ XBT_VERB("Cannot read result of subcommand %s", subcmd);
+ strcpy(line_func, "???");
+ }
+ if (fgets(line_pos, 1024, subpipe)) {
+ line_pos[strlen(line_pos) - 1] = '\0';
+ } else {
+ XBT_VERB("Cannot read result of subcommand %s", subcmd);
+ strcpy(line_pos, backtrace_syms[i]);
+ }
pclose(subpipe);
free(subcmd);
}