worker: capture process output

1 files changed, 15 insertions, 0 deletions

diff --git a/src/process.h b/src/process.h
index da0c421..455d4ec 100644
--- a/src/process.h
+++ b/src/process.h
@@ -1,6 +1,21 @@
 #ifndef __PROCESS_H__
 #define __PROCESS_H__
 
+#include <stddef.h>
+
+struct proc_output {
+	int ec;
+	char *output;
+	size_t output_len;
+};
+
+/* The exit code is only valid if the functions returns a non-negative number. */
 int proc_spawn(const char *args[], int *ec);
 
+/* Similarly, the contents of the proc_output structure is only valid if the function returns a
+ * non-negative number.
+ *
+ * In that case, you'll need to free the output. */
+int proc_capture(const char *args[], struct proc_output *result);
+
 #endif