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-rw-r--r--runtime/exec_utils.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/runtime/exec_utils.h b/runtime/exec_utils.h
index 751c64d9c8..aa0d0fc932 100644
--- a/runtime/exec_utils.h
+++ b/runtime/exec_utils.h
@@ -19,6 +19,7 @@
#include <time.h>
+#include <functional>
#include <string>
#include <vector>
@@ -34,6 +35,14 @@ struct ProcessStat {
int cpu_time_ms = 0;
};
+struct ExecCallbacks {
+ // Called in the parent process as soon as the child process is forked.
+ std::function<void(pid_t pid)> on_start = [](pid_t) {};
+ // Called in the parent process after the child process exits while still in a waitable state, no
+ // matter the child process succeeds or not.
+ std::function<void(pid_t pid)> on_end = [](pid_t) {};
+};
+
// Wrapper on fork/execv to run a command in a subprocess.
// These spawn child processes using the environment as it was set when the single instance
// of the runtime (Runtime::Current()) was started. If no instance of the runtime was started, it
@@ -57,10 +66,11 @@ class ExecUtils {
/*out*/ bool* timed_out,
/*out*/ std::string* error_msg) const;
- // Same as above, but also collects stat of the process. The stat is collected no matter the child
- // process succeeds or not.
+ // Same as above, but also collects stat of the process and calls callbacks. The stat is collected
+ // no matter the child process succeeds or not.
virtual int ExecAndReturnCode(const std::vector<std::string>& arg_vector,
int timeout_sec,
+ const ExecCallbacks& callbacks,
/*out*/ bool* timed_out,
/*out*/ ProcessStat* stat,
/*out*/ std::string* error_msg) const;