/* Kinds of resource limit. */
enum __rlimit_resource
-{
- /* Per-process CPU limit, in seconds. */
- RLIMIT_CPU,
- /* Largest file that can be created, in bytes. */
- RLIMIT_FSIZE,
- /* Maximum size of data segment, in bytes. */
- RLIMIT_DATA,
- /* Maximum size of stack segment, in bytes. */
- RLIMIT_STACK,
- /* Largest core file that can be created, in bytes. */
- RLIMIT_CORE,
- /* Largest resident set size, in bytes.
- This affects swapping; processes that are exceeding their
- resident set size will be more likely to have physical memory
- taken from them. */
- RLIMIT_RSS,
- /* Locked-in-memory address space. */
- RLIMIT_MEMLOCK,
- /* Number of processes, */
- RLIMIT_NPROC,
- /* Number of open files. */
- RLIMIT_OFILE,
-
- RLIM_NLIMITS
-};
+ {
+ /* Per-process CPU limit, in seconds. */
+ RLIMIT_CPU,
+ /* Largest file that can be created, in bytes. */
+ RLIMIT_FSIZE,
+ /* Maximum size of data segment, in bytes. */
+ RLIMIT_DATA,
+ /* Maximum size of stack segment, in bytes. */
+ RLIMIT_STACK,
+ /* Largest core file that can be created, in bytes. */
+ RLIMIT_CORE,
+ /* Largest resident set size, in bytes.
+ This affects swapping; processes that are exceeding their
+ resident set size will be more likely to have physical memory
+ taken from them. */
+ RLIMIT_RSS,
+ /* Locked-in-memory address space. */
+ RLIMIT_MEMLOCK,
+ /* Number of processes, */
+ RLIMIT_NPROC,
+ /* Number of open files. */
+ RLIMIT_OFILE,
+
+ RLIM_NLIMITS
+ };
struct rlimit
-{
- /* The current (soft) limit. */
- int rlim_cur;
- /* The hard limit. */
- int rlim_max;
-};
+ {
+ /* The current (soft) limit. */
+ int rlim_cur;
+ /* The hard limit. */
+ int rlim_max;
+ };
/* Value used to indicate that there is no limit. */
#define RLIM_INFINITY 0x7fffffff
/* Whose usage statistics do you want? */
enum __rusage_who
-{
- /* The calling process. */
- RUSAGE_SELF = 0,
- /* All of its terminated child processes. */
- RUSAGE_CHILDREN = -1,
-};
+ {
+ /* The calling process. */
+ RUSAGE_SELF = 0,
+ /* All of its terminated child processes. */
+ RUSAGE_CHILDREN = -1,
+ };
+
+#include <sys/time.h> /* For `struct timeval'. */
/* Structure which says how much of each resource has been used. */
struct rusage
-{
- /* Total amount of user time used. */
- struct __timeval ru_utime;
- /* Total amount of system time used. */
- struct __timeval ru_stime;
- /* Maximum resident set size (in kilobytes). */
- int ru_maxrss;
- /* Amount of sharing of text segment memory
- with other processes (kilobyte-seconds). */
- int ru_ixrss;
- /* Amount of data segment memory used (kilobyte-seconds). */
- int ru_idrss;
- /* Amount of stack memory used (kilobyte-seconds). */
- int ru_isrss;
- /* Number of soft page faults (i.e. those serviced by reclaiming
- a page from the list of pages awaiting reallocation. */
- int ru_minflt;
- /* Number of hard page faults (i.e. those that required I/O). */
- int ru_majflt;
- /* Number of times a process was swapped out of physical memory. */
- int ru_nswap;
- /* Number of input operations via the file system. Note: This
- and `ru_oublock' do not include operations with the cache. */
- int ru_inblock;
- /* Number of output operations via the file system. */
- int ru_oublock;
- /* Number of IPC messages sent. */
- int ru_msgsnd;
- /* Number of IPC messages received. */
- int ru_msgrcv;
- /* Number of signals delivered. */
- int ru_nsignals;
- /* Number of voluntary context switches, i.e. because the process
- gave up the process before it had to (usually to wait for some
- resource to be available). */
- int ru_nvcsw;
- /* Number of involuntary context switches, i.e. a higher priority process
- became runnable or the current process used up its time slice. */
- int ru_nivcsw;
-};
+ {
+ /* Total amount of user time used. */
+ struct timeval ru_utime;
+ /* Total amount of system time used. */
+ struct timeval ru_stime;
+ /* Maximum resident set size (in kilobytes). */
+ int ru_maxrss;
+ /* Amount of sharing of text segment memory
+ with other processes (kilobyte-seconds). */
+ int ru_ixrss;
+ /* Amount of data segment memory used (kilobyte-seconds). */
+ int ru_idrss;
+ /* Amount of stack memory used (kilobyte-seconds). */
+ int ru_isrss;
+ /* Number of soft page faults (i.e. those serviced by reclaiming
+ a page from the list of pages awaiting reallocation. */
+ int ru_minflt;
+ /* Number of hard page faults (i.e. those that required I/O). */
+ int ru_majflt;
+ /* Number of times a process was swapped out of physical memory. */
+ int ru_nswap;
+ /* Number of input operations via the file system. Note: This
+ and `ru_oublock' do not include operations with the cache. */
+ int ru_inblock;
+ /* Number of output operations via the file system. */
+ int ru_oublock;
+ /* Number of IPC messages sent. */
+ int ru_msgsnd;
+ /* Number of IPC messages received. */
+ int ru_msgrcv;
+ /* Number of signals delivered. */
+ int ru_nsignals;
+ /* Number of voluntary context switches, i.e. because the process
+ gave up the process before it had to (usually to wait for some
+ resource to be available). */
+ int ru_nvcsw;
+ /* Number of involuntary context switches, i.e. a higher priority process
+ became runnable or the current process used up its time slice. */
+ int ru_nivcsw;
+ };
/* Return resource usage information on process indicated by WHO
and put it in *USAGE. Returns 0 for success, -1 for failure. */
int __getrusage __P ((enum __rusage_who __who, struct rusage * __usage));
int getrusage __P ((enum __rusage_who __who, struct rusage * __usage));
-#ifdef __OPTIMIZE__
-#define getrusage(who, usage) __getrusage((who), (usage))
-#endif /* Optimizing. */
-
/* Function depends on CMD:
1 = Return the limit on the size of a file, in units of 512 bytes.
2 = Set the limit on the size of a file to NEWLIMIT. Only the
long int __ulimit __P ((int __cmd, long int __newlimit));
long int ulimit __P ((int __cmd, long int __newlimit));
-#ifdef __OPTIMIZE__
-#define ulimit(cmd, newlimit) __ulimit((cmd), (newlimit))
-#endif /* Optimizing. */
-
/* Priority limits. */
#define PRIO_MIN -20 /* Minimum priority a process can have. */
/* The type of the WHICH argument to `getpriority' and `setpriority',
indicating what flavor of entity the WHO argument specifies. */
enum __priority_which
-{
- PRIO_PROCESS = 0, /* WHO is a process ID. */
- PRIO_PGRP = 1, /* WHO is a process group ID. */
- PRIO_USER = 2, /* WHO is a user ID. */
-};
+ {
+ PRIO_PROCESS = 0, /* WHO is a process ID. */
+ PRIO_PGRP = 1, /* WHO is a process group ID. */
+ PRIO_USER = 2, /* WHO is a user ID. */
+ };
/* Return the highest priority of any process specified by WHICH and WHO
(see above); if WHO is zero, the current process, process group, or user