diff options
Diffstat (limited to 'include/uapi/linux/resource.h')
| -rw-r--r-- | include/uapi/linux/resource.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/include/uapi/linux/resource.h b/include/uapi/linux/resource.h new file mode 100644 index 000000000000..e0ed28477f48 --- /dev/null +++ b/include/uapi/linux/resource.h @@ -0,0 +1,80 @@ +#ifndef _UAPI_LINUX_RESOURCE_H +#define _UAPI_LINUX_RESOURCE_H + +#include <linux/time.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 timeval ru_utime; /* user time used */ + struct timeval ru_stime; /* system time used */ + long ru_maxrss; /* maximum resident set size */ + long ru_ixrss; /* integral shared memory size */ + long ru_idrss; /* integral unshared data size */ + long ru_isrss; /* integral unshared stack size */ + long ru_minflt; /* page reclaims */ + long ru_majflt; /* page faults */ + long ru_nswap; /* swaps */ + long ru_inblock; /* block input operations */ + long ru_oublock; /* block output operations */ + long ru_msgsnd; /* messages sent */ + long ru_msgrcv; /* messages received */ + long ru_nsignals; /* signals received */ + long ru_nvcsw; /* voluntary context switches */ + long ru_nivcsw; /* involuntary " */ +}; + +struct rlimit { + unsigned long rlim_cur; + unsigned long 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) + +/* + * GPG2 wants 64kB of mlocked memory, to make sure pass phrases + * and other sensitive information are never written to disk. + */ +#define MLOCK_LIMIT ((PAGE_SIZE > 64*1024) ? PAGE_SIZE : 64*1024) + +/* + * Due to binary compatibility, the actual resource numbers + * may be different for different linux versions.. + */ +#include <asm/resource.h> + + +#endif /* _UAPI_LINUX_RESOURCE_H */ |