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authorElie De Brauwer <eliedebrauwer@gmail.com>2012-02-18 15:33:27 +0100
committerElie De Brauwer <eliedebrauwer@gmail.com>2012-02-18 15:33:27 +0100
commit2c162816e81ab49b43df565484f0d965f8984844 (patch)
tree1a2ecb6cdfbabc677d51d998b4ee6309ffa41892 /toys
parenta11a6cd272aeacf2836622e5ccea0214c73b1c46 (diff)
downloadtoybox-2c162816e81ab49b43df565484f0d965f8984844.tar.gz
Adding swapon and swapoff
Diffstat (limited to 'toys')
-rw-r--r--toys/swapoff.c26
-rw-r--r--toys/swapon.c38
2 files changed, 64 insertions, 0 deletions
diff --git a/toys/swapoff.c b/toys/swapoff.c
new file mode 100644
index 00000000..fba0de83
--- /dev/null
+++ b/toys/swapoff.c
@@ -0,0 +1,26 @@
+/* vi: set sw=4 ts=4:
+ *
+ * swapoff.c - Disable region for swapping
+ *
+ * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
+ *
+ * Not in SUSv4.
+
+USE_SWAPOFF(NEWTOY(swapoff, "<1>1", TOYFLAG_BIN|TOYFLAG_NEEDROOT))
+
+config SWAPOFF
+ bool "swapoff"
+ default y
+ help
+ usage: swapoff swapregion
+
+ Disable swapping on a given swapregion.
+*/
+
+#include "toys.h"
+
+void swapoff_main(void)
+{
+ if (swapoff(toys.optargs[0]))
+ perror_exit("failed to remove swaparea");
+}
diff --git a/toys/swapon.c b/toys/swapon.c
new file mode 100644
index 00000000..36e4507b
--- /dev/null
+++ b/toys/swapon.c
@@ -0,0 +1,38 @@
+/* vi: set sw=4 ts=4:
+ *
+ * swapon.c - Enable region for swapping
+ *
+ * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
+ *
+ * Not in SUSv4.
+
+USE_SWAPON(NEWTOY(swapon, "<1>1p#<0>32767", TOYFLAG_BIN|TOYFLAG_NEEDROOT))
+
+config SWAPON
+ bool "swapon"
+ default y
+ help
+ usage: swapon swapregion
+
+ Enable swapping on a given swapregion.
+*/
+
+#include "toys.h"
+
+DEFINE_GLOBALS(
+ long priority;
+)
+
+#define TT this.swapon
+
+void swapon_main(void)
+{
+ int flags = 0;
+
+ if (toys.optflags & 1)
+ flags = SWAP_FLAG_PREFER |
+ ((TT.priority & SWAP_FLAG_PRIO_MASK) << SWAP_FLAG_PRIO_SHIFT);
+
+ if (swapon(toys.optargs[0], flags))
+ perror_exit("failed to enable swaparea");
+}