Files
monok8s/patches/ask/cmm/0001-cmm-add-foreground-mode.patch
2026-05-11 02:13:10 +08:00

76 lines
1.9 KiB
Diff

From 7b6ff0e4a7b5e7d422c787d55225ecaa32afc8e4 Mon Sep 17 00:00:00 2001
From: Mono <dev@mono>
Date: Sun, 10 May 2026 15:53:21 +0000
Subject: [PATCH] cmm: add foreground mode
---
cmm/src/cmm.c | 24 +++++++++++++++++-------
1 file changed, 17 insertions(+), 7 deletions(-)
diff --git a/cmm/src/cmm.c b/cmm/src/cmm.c
index 6452476..1bbc73e 100644
--- a/cmm/src/cmm.c
+++ b/cmm/src/cmm.c
@@ -339,6 +339,7 @@ int main (int argc, char ** argv)
struct sigaction action;
int option,ii;
char *buf;
+ int foreground = 0;
int ret = 0;
int ch;
@@ -402,7 +403,7 @@ int main (int argc, char ** argv)
}
// Analyse the command line
- while ((option = getopt(argc, argv, "c:f:n:hv")) != -1)
+ while ((option = getopt(argc, argv, "c:f:n:hvD")) != -1)
{
switch (option)
{
@@ -424,6 +425,10 @@ int main (int argc, char ** argv)
}
break;
+ case 'D': // Do not daemonize; run in foreground
+ foreground = 1;
+ break;
+
case 'h': // Print help
cmmHelp();
return 0;
@@ -443,9 +448,11 @@ int main (int argc, char ** argv)
goto err0;
}
- // Daemonize the application
- if(daemon(0, 1) == -1)
- goto err0;
+ // Daemonize the application unless foreground mode was requested
+ if (!foreground) {
+ if(daemon(0, 1) == -1)
+ goto err0;
+ }
//Ensure clean termination
action.sa_handler = sig_term_hdlr;
sigemptyset(&action.sa_mask);
@@ -471,9 +478,12 @@ int main (int argc, char ** argv)
//schedParams.sched_priority = 99;
//sched_setscheduler(0, SCHED_FIFO, &schedParams);
- //Init process does not set stdout on console
- if(freopen("/dev/console", "w", stdout) == NULL)
- goto err0;
+ // Init process does not set stdout on console.
+ // In foreground mode, keep stdout attached to the caller/container.
+ if (!foreground) {
+ if(freopen("/dev/console", "w", stdout) == NULL)
+ goto err0;
+ }
sigemptyset(&block_mask);
sigaddset(&block_mask, SIGTERM);
sigaddset(&block_mask, SIGPIPE);
--
2.47.3