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resource: Add a __rusage64 struct

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Add a __rusage64 struct which always uses a 64-bit time_t.

Reviewed-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Alistair Francis 2020-01-19 14:57:37 -08:00
parent a51e035889
commit 5d24ba82c4
1 changed files with 110 additions and 0 deletions
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110
include/sys/resource.h
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@ -2,6 +2,116 @@
#include <resource/sys/resource.h>
#ifndef _ISOMAC
# include <time.h>
# include <string.h>
/* Internal version of rusage with a 64-bit time_t. */
#if __TIMESIZE == 64
# define __rusage64 rusage
#else
struct __rusage64
{
struct __timeval64 ru_utime;
struct __timeval64 ru_stime;
__extension__ union
{
long int ru_maxrss;
__syscall_slong_t __ru_maxrss_word;
};
__extension__ union
{
long int ru_ixrss;
__syscall_slong_t __ru_ixrss_word;
};
__extension__ union
{
long int ru_idrss;
__syscall_slong_t __ru_idrss_word;
};
__extension__ union
{
long int ru_isrss;
__syscall_slong_t __ru_isrss_word;
};
__extension__ union
{
long int ru_minflt;
__syscall_slong_t __ru_minflt_word;
};
__extension__ union
{
long int ru_majflt;
__syscall_slong_t __ru_majflt_word;
};
__extension__ union
{
long int ru_nswap;
__syscall_slong_t __ru_nswap_word;
};
__extension__ union
{
long int ru_inblock;
__syscall_slong_t __ru_inblock_word;
};
__extension__ union
{
long int ru_oublock;
__syscall_slong_t __ru_oublock_word;
};
__extension__ union
{
long int ru_msgsnd;
__syscall_slong_t __ru_msgsnd_word;
};
__extension__ union
{
long int ru_msgrcv;
__syscall_slong_t __ru_msgrcv_word;
};
__extension__ union
{
long int ru_nsignals;
__syscall_slong_t __ru_nsignals_word;
};
__extension__ union
{
long int ru_nvcsw;
__syscall_slong_t __ru_nvcsw_word;
};
__extension__ union
{
long int ru_nivcsw;
__syscall_slong_t __ru_nivcsw_word;
};
};
#endif
static inline void
rusage64_to_rusage (const struct __rusage64 *restrict r64,
struct rusage *restrict r)
{
/* Make sure the entire output structure is cleared, including
padding and reserved fields. */
memset (r, 0, sizeof *r);
r->ru_utime = valid_timeval64_to_timeval (r64->ru_utime);
r->ru_stime = valid_timeval64_to_timeval (r64->ru_stime);
r->ru_maxrss = r64->ru_maxrss;
r->ru_ixrss = r64->ru_ixrss;
r->ru_idrss = r64->ru_idrss;
r->ru_isrss = r64->ru_isrss;
r->ru_minflt = r64->ru_minflt;
r->ru_majflt = r64->ru_majflt;
r->ru_nswap = r64->ru_nswap;
r->ru_inblock = r64->ru_inblock;
r->ru_oublock = r64->ru_oublock;
r->ru_msgsnd = r64->ru_msgsnd;
r->ru_msgrcv = r64->ru_msgrcv;
r->ru_nsignals = r64->ru_nsignals;
r->ru_nvcsw = r64->ru_nvcsw;
r->ru_nivcsw = r64->ru_nivcsw;
}
/* Prototypes repeated instead of using __typeof because
sys/resource.h is included in C++ tests, and declaring functions
with __typeof and __THROW doesn't work for C++. */