summaryrefslogtreecommitdiff
path: root/src/log.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/log.c')
-rw-r--r--src/log.c105
1 files changed, 1 insertions, 104 deletions
diff --git a/src/log.c b/src/log.c
index a693bd00..9bae4a3d 100644
--- a/src/log.c
+++ b/src/log.c
@@ -30,7 +30,6 @@
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
-#include <execinfo.h>
#include <dlfcn.h>
#include "connman.h"
@@ -110,113 +109,11 @@ void connman_debug(const char *format, ...)
va_end(ap);
}
-static void print_backtrace(unsigned int offset)
-{
- void *frames[99];
- size_t n_ptrs;
- unsigned int i;
- int outfd[2], infd[2];
- int pathlen;
- pid_t pid;
-
- if (!program_exec)
- return;
-
- pathlen = strlen(program_path);
-
- n_ptrs = backtrace(frames, G_N_ELEMENTS(frames));
- if (n_ptrs < offset)
- return;
-
- if (pipe(outfd) < 0)
- return;
-
- if (pipe(infd) < 0) {
- close(outfd[0]);
- close(outfd[1]);
- return;
- }
-
- pid = fork();
- if (pid < 0) {
- close(outfd[0]);
- close(outfd[1]);
- close(infd[0]);
- close(infd[1]);
- return;
- }
-
- if (pid == 0) {
- close(outfd[1]);
- close(infd[0]);
-
- dup2(outfd[0], STDIN_FILENO);
- dup2(infd[1], STDOUT_FILENO);
-
- execlp("addr2line", "-C", "-f", "-e", program_exec, NULL);
-
- exit(EXIT_FAILURE);
- }
-
- close(outfd[0]);
- close(infd[1]);
-
- connman_error("++++++++ backtrace ++++++++");
-
- for (i = offset; i < n_ptrs - 1; i++) {
- Dl_info info;
- char addr[20], buf[PATH_MAX * 2];
- int len, written;
- char *ptr, *pos;
-
- dladdr(frames[i], &info);
-
- len = snprintf(addr, sizeof(addr), "%p\n", frames[i]);
- if (len < 0)
- break;
-
- written = write(outfd[1], addr, len);
- if (written < 0)
- break;
-
- len = read(infd[0], buf, sizeof(buf) - 1);
- if (len < 0)
- break;
-
- buf[len] = '\0';
-
- pos = strchr(buf, '\n');
- *pos++ = '\0';
-
- if (strcmp(buf, "??") == 0) {
- connman_error("#%-2u %p in %s", i - offset,
- frames[i], info.dli_fname);
- continue;
- }
-
- ptr = strchr(pos, '\n');
- *ptr++ = '\0';
-
- if (strncmp(pos, program_path, pathlen) == 0)
- pos += pathlen + 1;
-
- connman_error("#%-2u %p in %s() at %s", i - offset,
- frames[i], buf, pos);
- }
-
- connman_error("+++++++++++++++++++++++++++");
-
- kill(pid, SIGTERM);
-
- close(outfd[1]);
- close(infd[0]);
-}
-
static void signal_handler(int signo)
{
connman_error("Aborting (signal %d) [%s]", signo, program_exec);
- print_backtrace(2);
+ print_backtrace(program_path, program_exec, 2);
exit(EXIT_FAILURE);
}