---
trace/trace.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/trace/trace.c b/trace/trace.c
index 6fbe608..eead9c5 100644
--- a/trace/trace.c
+++ b/trace/trace.c
@@ -25,6 +25,7 @@
#include <errno.h>
#include <string.h>
#include <syslog.h>
+#include <err.h>
#ifndef PTRACE_EVENT_STOP
/* PTRACE_EVENT_STOP is defined in linux/ptrace.h, but this header
@@ -351,8 +352,10 @@ int main(int argc, char **argv, char **envp)
ptrace_restart = PTRACE_CONT;
break;
}
- ptrace(PTRACE_SEIZE, child, 0, ptrace_options);
- ptrace(ptrace_restart, child, 0, SIGCONT);
+ if (ptrace(PTRACE_SEIZE, child, 0, ptrace_options) == -1)
+ err(1, "PTRACE_SEIZE");
+ if (ptrace(ptrace_restart, child, 0, SIGCONT) == -1)
+ err(1, "ptrace restart");
uloop_init();
tracer.proc.pid = child;
--
2.14.1
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