X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=daemon.c;h=945c5a39a094e8314c5667f57f0b6a8099b12b45;hb=224ab3f14af8e08a8a7159160eccea75be30ffd1;hp=94c4a8cba6b9aae8646491f3eeddfff016914c7b;hpb=ce231275f1e5368aca092cf207bba8fe58015822;p=paraslash.git

diff --git a/daemon.c b/daemon.c
index 94c4a8cb..945c5a39 100644
--- a/daemon.c
+++ b/daemon.c
@@ -11,6 +11,7 @@
 #include <sys/types.h> /* getgrnam() */
 #include <grp.h>
 #include <signal.h>
+#include <sys/resource.h>
 
 #include "para.h"
 #include "daemon.h"
@@ -73,7 +74,7 @@ static void daemon_set_log_color_or_die(char const *arg)
 	color_parse_or_die(p, me->log_colors[ll]);
 	return;
 err:
-	PARA_EMERG_LOG("%s: color syntax error\n", arg);
+	PARA_EMERG_LOG("%s: invalid color argument\n", arg);
 	exit(EXIT_FAILURE);
 }
 
@@ -121,7 +122,7 @@ void daemon_init_colors_or_die(int color_arg, int color_arg_auto,
  *
  * \param logfile_name The full path of the logfile.
  */
-void daemon_set_logfile(char *logfile_name)
+void daemon_set_logfile(const char *logfile_name)
 {
 	free(me->logfile_name);
 	me->logfile_name = NULL;
@@ -134,7 +135,7 @@ void daemon_set_logfile(char *logfile_name)
  *
  * \param loglevel The smallest level that should be logged.
  */
-void daemon_set_loglevel(char *loglevel)
+void daemon_set_loglevel(const char *loglevel)
 {
 	int ret = get_loglevel_by_name(loglevel);
 
@@ -260,6 +261,21 @@ void daemon_log_welcome(const char *name)
 	PARA_INFO_LOG("welcome to para_%s-" PACKAGE_VERSION " \n", name);
 }
 
+/**
+ * Renice the calling process.
+ *
+ * \param prio The priority value to set.
+ *
+ * Errors are not considered fatal, but a warning message is logged if the
+ * underlying call to setpriority(2) fails.
+ */
+void daemon_set_priority(int prio)
+{
+	if (setpriority(PRIO_PROCESS, 0, prio) < 0)
+		PARA_WARNING_LOG("could not set priority to %d: %s\n", prio,
+			strerror(errno));
+}
+
 /**
  * Give up superuser privileges.
  *