added sigsegv handler with backtrace

1 files changed, 32 insertions, 2 deletions

diff --git a/main.c b/main.c
index 36133bcf..50644574 100644
--- a/main.c
+++ b/main.c
@@ -38,6 +38,7 @@
 #include <sys/fcntl.h>
 #include <sys/errno.h>
 #include <signal.h>
+#include <execinfo.h>
 #ifdef HAVE_CONFIG_H
 #  include <config.h>
 #endif
@@ -427,10 +428,39 @@ sigterm_handler (int sig) {
     exit (0);
 }
 
+void
+sigsegv_handler (int sig) {
+    fprintf (stderr, "Segmentation Fault\n");
+    int j, nptrs;
+#define SIZE 100
+    void *buffer[100];
+    char **strings;
+
+    nptrs = backtrace(buffer, SIZE);
+    printf("backtrace() returned %d addresses\n", nptrs);
+
+    /* The call
+     * backtrace_symbols_fd(buffer,
+     * nptrs,
+     * STDOUT_FILENO)
+     would produce similar output to the following: */
+
+    strings = backtrace_symbols(buffer, nptrs);
+    if (strings == NULL) {
+        perror("backtrace_symbols");
+        exit(EXIT_FAILURE);
+    }
+
+    for (j = 0; j < nptrs; j++)
+        printf("%s\n", strings[j]);
+
+    free(strings);
+    exit (0);
+}
+
 int
 main (int argc, char *argv[]) {
-    //u8_lc_map_test ();
-    //return -1;
+    signal (SIGSEGV, sigsegv_handler);
     setlocale (LC_ALL, "");
     setlocale (LC_NUMERIC, "C");
     fprintf (stderr, "starting deadbeef " VERSION "\n");