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Fix segfault handler in Mac OS X

Signed-off-by: Vicent Marti <tanoku@gmail.com>
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vmg committed Dec 2, 2010
1 parent 691aa96 commit 599955586da1c3ad514f3e65f1081d2012ec862d
Showing with 9 additions and 39 deletions.
  1. +9 −39 tests/test_main.c
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@@ -32,48 +32,21 @@
* GCC only
*/
#ifdef __GNUC__
+#include <stdio.h>
#include <execinfo.h>
#include <signal.h>
-#include <stdio.h>
#include <stdlib.h>
-#include <string.h>
-#include <ucontext.h>
-#include <unistd.h>
-typedef struct _sig_ucontext {
- unsigned long uc_flags;
- struct ucontext *uc_link;
- stack_t uc_stack;
- struct sigcontext uc_mcontext;
- sigset_t uc_sigmask;
-} sig_ucontext_t;
-
-void crash_handler(int sig_num, siginfo_t *info, void *ucontext)
+void crash_handler(int sig)
{
- void *array[50];
- void *caller_address;
- char **messages;
- int size, i;
-
- sig_ucontext_t *uc;
-
- uc = (sig_ucontext_t *)ucontext;
-
- caller_address = (void *)uc->uc_mcontext.eip;
-
- fprintf(stderr, "Signal %d (%s), address: %p from %p\n",
- sig_num, strsignal(sig_num), info->si_addr,
- (void *)caller_address);
-
- size = backtrace(array, 50);
- array[1] = caller_address;
- messages = backtrace_symbols(array, size);
+ void *array[10];
+ size_t size;
- for (i = 1; i < size && messages != NULL; ++i)
- fprintf(stderr, "\t(%d) %s\n", i, messages[i]);
+ size = backtrace(array, 10);
- free(messages);
- exit(EXIT_FAILURE);
+ fprintf(stderr, "Error (signal %d)\n", sig);
+ backtrace_symbols_fd(array, size, 2);
+ exit(1);
}
#endif
@@ -99,10 +72,7 @@ int main(int argc, char **argv)
struct test_def *t;
#ifdef __GNUC__
- struct sigaction sigact;
- sigact.sa_sigaction = crash_handler;
- sigact.sa_flags = SA_RESTART | SA_SIGINFO;
- sigaction(SIGSEGV, &sigact, (struct sigaction *)NULL);
+ signal(SIGSEGV, crash_handler);
#endif
if (argc == 1) {

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