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authorM. Farkas-Dyck <strake888@gmail.com>2013-07-29 21:16:55 -0500
committerM. Farkas-Dyck <strake888@gmail.com>2013-07-29 21:16:55 -0500
commit0c03786b5ab1a81bf5abdbd4bc0be9d7379df9dd (patch)
tree4f6a42e69bfd32acaf722635566ce688d36657b2 /toys
parente3a6c4e8a0b0be3694e3f5c660ae661d222a66d7 (diff)
downloadtoybox-0c03786b5ab1a81bf5abdbd4bc0be9d7379df9dd.tar.gz
Add renice.
Diffstat (limited to 'toys')
-rw-r--r--toys/pending/renice.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/toys/pending/renice.c b/toys/pending/renice.c
new file mode 100644
index 00000000..305ad194
--- /dev/null
+++ b/toys/pending/renice.c
@@ -0,0 +1,48 @@
+/* renice.c - renice process
+ *
+ * Copyright 2013 CE Strake <strake888 at gmail.com>
+ *
+ * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/
+ * See http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/cmdbehav.html
+
+USE_RENICE(NEWTOY(renice, "gpun#", TOYFLAG_BIN))
+
+config RENICE
+ bool "renice"
+ default n
+ help
+ usage: renice [-gpu] -n increment ID ...
+*/
+
+#define FOR_renice
+#include "toys.h"
+
+GLOBALS(
+ long nArgu;
+)
+
+void renice_main (void) {
+ int ii;
+ int which = toys.optflags & FLAG_g ? PRIO_PGRP :
+ toys.optflags & FLAG_u ? PRIO_USER :
+ PRIO_PROCESS;
+
+ if (!(toys.optflags & FLAG_n)) error_exit ("no increment given");
+
+ for (ii = 0; ii < toys.optc; ii++) {
+ id_t id;
+
+ if (isdigit (toys.optargs[ii][0])) id = strtoul (toys.optargs[ii], 0, 10);
+ else if (toys.optflags & FLAG_u) id = getpwnam (toys.optargs[ii]) -> pw_uid;
+ else {
+ error_msg ("not a number: %s", toys.optargs[ii]);
+ toys.exitval = 1;
+ continue;
+ }
+
+ if (setpriority (which, id, getpriority (which, id) + TT.nArgu) < 0) {
+ error_msg ("failed to setpriority of %d", id);
+ toys.exitval = 1;
+ }
+ }
+}