R1 LovePara: app-server stack, on-target C dev, new NIC support

board/mentalnet/overlay/usr/include/linux/resource.h

@@ -0,0 +1,88 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _LINUX_RESOURCE_H
+#define _LINUX_RESOURCE_H
+
+#include <linux/time_types.h>
+#include <linux/types.h>
+
+/*
+ * Resource control/accounting header file for linux
+ */
+
+/*
+ * Definition of struct rusage taken from BSD 4.3 Reno
+ * 
+ * We don't support all of these yet, but we might as well have them....
+ * Otherwise, each time we add new items, programs which depend on this
+ * structure will lose.  This reduces the chances of that happening.
+ */
+#define	RUSAGE_SELF	0
+#define	RUSAGE_CHILDREN	(-1)
+#define RUSAGE_BOTH	(-2)		/* sys_wait4() uses this */
+#define	RUSAGE_THREAD	1		/* only the calling thread */
+
+struct	rusage {
+	struct __kernel_old_timeval ru_utime;	/* user time used */
+	struct __kernel_old_timeval ru_stime;	/* system time used */
+	__kernel_long_t	ru_maxrss;	/* maximum resident set size */
+	__kernel_long_t	ru_ixrss;	/* integral shared memory size */
+	__kernel_long_t	ru_idrss;	/* integral unshared data size */
+	__kernel_long_t	ru_isrss;	/* integral unshared stack size */
+	__kernel_long_t	ru_minflt;	/* page reclaims */
+	__kernel_long_t	ru_majflt;	/* page faults */
+	__kernel_long_t	ru_nswap;	/* swaps */
+	__kernel_long_t	ru_inblock;	/* block input operations */
+	__kernel_long_t	ru_oublock;	/* block output operations */
+	__kernel_long_t	ru_msgsnd;	/* messages sent */
+	__kernel_long_t	ru_msgrcv;	/* messages received */
+	__kernel_long_t	ru_nsignals;	/* signals received */
+	__kernel_long_t	ru_nvcsw;	/* voluntary context switches */
+	__kernel_long_t	ru_nivcsw;	/* involuntary " */
+};
+
+struct rlimit {
+	__kernel_ulong_t	rlim_cur;
+	__kernel_ulong_t	rlim_max;
+};
+
+#define RLIM64_INFINITY		(~0ULL)
+
+struct rlimit64 {
+	__u64 rlim_cur;
+	__u64 rlim_max;
+};
+
+#define	PRIO_MIN	(-20)
+#define	PRIO_MAX	20
+
+#define	PRIO_PROCESS	0
+#define	PRIO_PGRP	1
+#define	PRIO_USER	2
+
+/*
+ * Limit the stack by to some sane default: root can always
+ * increase this limit if needed..  8MB seems reasonable.
+ */
+#define _STK_LIM	(8*1024*1024)
+
+/*
+ * Limit the amount of locked memory by some sane default:
+ * root can always increase this limit if needed.
+ *
+ * The main use-cases are (1) preventing sensitive memory
+ * from being swapped; (2) real-time operations; (3) via
+ * IOURING_REGISTER_BUFFERS.
+ *
+ * The first two don't need much. The latter will take as
+ * much as it can get. 8MB is a reasonably sane default.
+ */
+#define MLOCK_LIMIT	(8*1024*1024)
+
+/*
+ * Due to binary compatibility, the actual resource numbers
+ * may be different for different linux versions..
+ */
+#include <asm/resource.h>
+
+
+#endif /* _LINUX_RESOURCE_H */