X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=daemon.c;h=945c5a39a094e8314c5667f57f0b6a8099b12b45;hp=ca74595695985ad866c6ad849cbc343e2801850a;hb=f2940b2fbde865256bc35c74e3bd624d2ff48d2e;hpb=db212616a42fb6d33385f79cfc9b8cca9721a8b9

diff --git a/daemon.c b/daemon.c
index ca745956..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);
 
@@ -249,11 +250,30 @@ void daemon_open_log_or_die(void)
 
 /**
  * Log the startup message containing the paraslash version.
+ *
+ * \param name The name of the executable.
+ *
+ * First the given \a name is prefixed with the string "para_". Next the git
+ * version is appended. The resulting string is logged with priority "INFO".
+ */
+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_log_welcome(const char *whoami)
+void daemon_set_priority(int prio)
 {
-	PARA_INFO_LOG("welcome to %s " PACKAGE_VERSION " ("BUILD_DATE")\n",
-		whoami);
+	if (setpriority(PRIO_PROCESS, 0, prio) < 0)
+		PARA_WARNING_LOG("could not set priority to %d: %s\n", prio,
+			strerror(errno));
 }
 
 /**