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Diffstat (limited to 'libc/sysdeps/linux/common/setrlimit.c')
-rw-r--r--libc/sysdeps/linux/common/setrlimit.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/setrlimit.c b/libc/sysdeps/linux/common/setrlimit.c
new file mode 100644
index 000000000..bb40c14e2
--- /dev/null
+++ b/libc/sysdeps/linux/common/setrlimit.c
@@ -0,0 +1,41 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * setrlimit() for uClibc
+ *
+ * Copyright (C) 2000-2004 by Erik Andersen <andersen@codpoet.org>
+ *
+ * GNU Library General Public License (LGPL) version 2 or later.
+ */
+
+#include "syscalls.h"
+
+#ifndef __NR_ugetrlimit
+/* Only wrap setrlimit if the new ugetrlimit is not present */
+
+#define __NR___setrlimit __NR_setrlimit
+#include <unistd.h>
+#include <sys/resource.h>
+#define RMIN(x, y) ((x) < (y) ? (x) : (y))
+_syscall2(int, __setrlimit, int, resource, const struct rlimit *, rlim);
+int setrlimit(__rlimit_resource_t resource, const struct rlimit *rlimits)
+{
+ struct rlimit rlimits_small;
+
+ /* We might have to correct the limits values. Since the old values
+ * were signed the new values might be too large. */
+ rlimits_small.rlim_cur = RMIN((unsigned long int) rlimits->rlim_cur,
+ RLIM_INFINITY >> 1);
+ rlimits_small.rlim_max = RMIN((unsigned long int) rlimits->rlim_max,
+ RLIM_INFINITY >> 1);
+ return (__setrlimit(resource, &rlimits_small));
+}
+
+#undef RMIN
+
+#else /* We don't need to wrap setrlimit */
+
+#include <unistd.h>
+struct rlimit;
+_syscall2(int, setrlimit, unsigned int, resource,
+ const struct rlimit *, rlim);
+#endif