From 9f6b1d3251e3a639a3cb8e331c904d7a0ad205aa Mon Sep 17 00:00:00 2001
From: Petr Baudis <pasky@ucw.cz>
Date: Wed, 7 Mar 2012 17:51:02 +0100
Subject: [PATCH] compctl --run: Automatically nice started computations
---
common.h | 3 +++
compctl.c | 4 ++++
2 files changed, 7 insertions(+)
diff --git a/common.h b/common.h
index dd7ca6a..a00b36f 100644
--- a/common.h
+++ b/common.h
@@ -15,6 +15,9 @@ size_t static_minfree = 512*1048576UL;
size_t static_maxfree = 2048*1048576UL;
double split_ratio = 0.5;
+/* Default nice value for processes started using compctl --run. */
+#define COMPNICE 12
+
/* Other common definitions. */
/* See README for the high-level protocol description. */
diff --git a/compctl.c b/compctl.c
index 5571257..204f262 100644
--- a/compctl.c
+++ b/compctl.c
@@ -4,6 +4,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
@@ -104,6 +105,9 @@ run(int argc, char *argv[])
}
free(line);
+ if (setpriority(PRIO_PROCESS, 0, COMPNICE) < 0)
+ perror("Warning: setpriority()");
+
char *argvx[argc + 1];
for (int i = 0; i < argc; i++)
argvx[i] = argv[i];
--
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