musl/include/sys/resource.h

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#ifndef _SYS_RESOURCE_H
#define _SYS_RESOURCE_H
#ifdef __cplusplus
extern "C" {
#endif
#include <features.h>
refactor headers, especially alltypes.h, and improve C++ ABI compat the arch-specific bits/alltypes.h.sh has been replaced with a generic alltypes.h.in and minimal arch-specific bits/alltypes.h.in. this commit is intended to have no functional changes except: - exposing additional symbols that POSIX allows but does not require - changing the C++ name mangling for some types - fixing the signedness of blksize_t on powerpc (POSIX requires signed) - fixing the limit macros for sig_atomic_t on x86_64 - making dev_t an unsigned type (ABI matching goal, and more logical) in addition, some types that were wrongly defined with long on 32-bit archs were changed to int, and vice versa; this change is non-functional except for the possibility of making pointer types mismatch, and only affects programs that were using them incorrectly, and only at build-time, not runtime. the following changes were made in the interest of moving non-arch-specific types out of the alltypes system and into the headers they're associated with, and also will tend to improve application compatibility: - netdb.h now includes netinet/in.h (for socklen_t and uint32_t) - netinet/in.h now includes sys/socket.h and inttypes.h - sys/resource.h now includes sys/time.h (for struct timeval) - sys/wait.h now includes signal.h (for siginfo_t) - langinfo.h now includes nl_types.h (for nl_item) for the types in stdint.h: - types which are of no interest to other headers were moved out of the alltypes system. - fast types for 8- and 64-bit are hard-coded (at least for now); only the 16- and 32-bit ones have reason to vary by arch. and the following types have been changed for C++ ABI purposes; - mbstate_t now has a struct tag, __mbstate_t - FILE's struct tag has been changed to _IO_FILE - DIR's struct tag has been changed to __dirstream - locale_t's struct tag has been changed to __locale_struct - pthread_t is defined as unsigned long in C++ mode only - fpos_t now has a struct tag, _G_fpos64_t - fsid_t's struct tag has been changed to __fsid_t - idtype_t has been made an enum type (also required by POSIX) - nl_catd has been changed from long to void * - siginfo_t's struct tag has been removed - sigset_t's has been given a struct tag, __sigset_t - stack_t has been given a struct tag, sigaltstack - suseconds_t has been changed to long on 32-bit archs - [u]intptr_t have been changed from long to int rank on 32-bit archs - dev_t has been made unsigned summary of tests that have been performed against these changes: - nsz's libc-test (diff -u before and after) - C++ ABI check symbol dump (diff -u before, after, glibc) - grepped for __NEED, made sure types needed are still in alltypes - built gcc 3.4.6
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#include <sys/time.h>
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#define __NEED_id_t
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#ifdef _GNU_SOURCE
#define __NEED_pid_t
#endif
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#include <bits/alltypes.h>
typedef unsigned long long rlim_t;
struct rlimit
{
rlim_t rlim_cur;
rlim_t rlim_max;
};
struct rusage
{
struct timeval ru_utime;
struct timeval ru_stime;
/* linux extentions, but useful */
long ru_maxrss;
long ru_ixrss;
long ru_idrss;
long ru_isrss;
long ru_minflt;
long ru_majflt;
long ru_nswap;
long ru_inblock;
long ru_oublock;
long ru_msgsnd;
long ru_msgrcv;
long ru_nsignals;
long ru_nvcsw;
long ru_nivcsw;
/* room for more... */
long __reserved[16];
};
int getrlimit (int, struct rlimit *);
int setrlimit (int, const struct rlimit *);
int getrusage (int, struct rusage *);
int getpriority (int, id_t);
int setpriority (int, id_t, int);
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#ifdef _GNU_SOURCE
int prlimit(pid_t, int, const struct rlimit *, struct rlimit *);
#define prlimit64 prlimit
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#endif
#define PRIO_MIN (-20)
#define PRIO_MAX 20
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#define PRIO_PROCESS 0
#define PRIO_PGRP 1
#define PRIO_USER 2
#define RUSAGE_SELF 0
#define RUSAGE_CHILDREN 1
#define RLIM_INFINITY (~0ULL)
#define RLIM_SAVED_CUR RLIM_INFINITY
#define RLIM_SAVED_MAX RLIM_INFINITY
#define RLIMIT_CPU 0
#define RLIMIT_FSIZE 1
#define RLIMIT_DATA 2
#define RLIMIT_STACK 3
#define RLIMIT_CORE 4
#define RLIMIT_RSS 5
#define RLIMIT_NOFILE 7
#define RLIMIT_AS 9
#define RLIMIT_NPROC 6
#define RLIMIT_MEMLOCK 8
#define RLIMIT_LOCKS 10
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#define RLIMIT_SIGPENDING 11
#define RLIMIT_MSGQUEUE 12
#define RLIMIT_NICE 13
#define RLIMIT_RTPRIO 14
#define RLIMIT_NLIMITS 15
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#define RLIM_NLIMITS RLIMIT_NLIMITS
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#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
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#define getrlimit64 getrlimit
#define setrlimit64 setrlimit
#define rlimit64 rlimit
#define rlim64_t rlim_t
#endif
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#ifdef __cplusplus
}
#endif
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#endif