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authorUlrich Drepper <drepper@redhat.com>2001-01-17 16:51:27 +0000
committerUlrich Drepper <drepper@redhat.com>2001-01-17 16:51:27 +0000
commit17abb551cedc46690e13e73d43100e68b631c02f (patch)
treec466b52d9404bb8add3e350bd4bc266d8b9d3bc8
parentee4905312f537da28f21aaecb69eda9309125e92 (diff)
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Example for backtrace() functions.
-rw-r--r--manual/examples/execinfo.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/manual/examples/execinfo.c b/manual/examples/execinfo.c
new file mode 100644
index 0000000000..5a04901957
--- /dev/null
+++ b/manual/examples/execinfo.c
@@ -0,0 +1,37 @@
+#include <execinfo.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/* Obtain a backtrace and print it to @code{stdout}. */
+void
+print_trace (void)
+{
+  void *array[10];
+  size_t size;
+  char **strings;
+  size_t i;
+
+  size = backtrace (array, 10);
+  strings = backtrace_symbols (array, size);
+
+  printf ("Obtained %zd stack frames.\n", size);
+
+  for (i = 0; i < size; i++)
+     printf ("%s\n", strings[i]);
+
+  free (strings);
+}
+
+/* A dummy function to make the backtrace more interesting. */
+void
+dummy_function (void)
+{
+  print_trace ();
+}
+
+int
+main (void)
+{
+  dummy_function ();
+  return 0;
+}