run_command(): help callers distinguish errors

[git.git] / run-command.h

diff --git a/run-command.h b/run-command.h
index a8b0c209e9b7487ce3c2b214cbebe7ad4f97fd11..e90d9282ff5a0a6dde2d1a9813063a7b2c7bcf91 100644 (file)
--- a/run-command.h
+++ b/run-command.h
@@ -10,6 +10,7 @@ enum {
        ERR_RUN_COMMAND_WAITPID_SIGNAL,
        ERR_RUN_COMMAND_WAITPID_NOEXIT,
 };
+#define IS_RUN_COMMAND_ERR(x) ((x) <= -ERR_RUN_COMMAND_FORK)
 
 struct child_process {
        const char **argv;