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-rw-r--r--src/compile.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/src/compile.c b/src/compile.c
index 9c02a6e..1b2b080 100644
--- a/src/compile.c
+++ b/src/compile.c
@@ -636,6 +636,18 @@ static int dcc_gcc_rewrite_fqn(char **argv)
return -ENOENT;
}
+static int dcc_get_max_retries(void)
+{
+ if (dcc_backoff_is_enabled()) {
+ /* eventually distcc will either find a suitable host or mark
+ * all hosts as faulty (and fallback to a local compilation)
+ */
+ return 0; /* no limit */
+ } else {
+ return 3; /* somewhat arbitrary */
+ }
+}
+
/**
* Execute the commands in argv remotely or locally as appropriate.
*
@@ -692,10 +704,13 @@ dcc_build_somewhere(char *argv[],
int cpu_lock_fd = -1, local_cpu_lock_fd = -1;
int ret;
int remote_ret = 0;
+ int retry_count = 0, max_retries;
struct dcc_hostdef *host = NULL;
char *discrepancy_filename = NULL;
char **new_argv;
+ max_retries = dcc_get_max_retries();
+
if ((ret = dcc_expand_preprocessor_options(&argv)) != 0)
goto clean_up;
@@ -846,7 +861,14 @@ dcc_build_somewhere(char *argv[],
/* dcc_compile_remote() already unlocked local_cpu_lock_fd. */
local_cpu_lock_fd = -1;
bad_host(host, &cpu_lock_fd, &local_cpu_lock_fd);
- goto choose_host;
+ retry_count++;
+ if (max_retries == 0 || retry_count < max_retries)
+ goto choose_host;
+ else {
+ rs_log_warning("Couldn't find a host in %d attempts, retrying locally",
+ retry_count);
+ goto fallback;
+ }
}
/* dcc_compile_remote() already unlocked local_cpu_lock_fd. */
local_cpu_lock_fd = -1;