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linux: Add 64-bit time_t support for wait3

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It basically calls the 64-bit time_t wait4 internal symbol.

Checked on x86_64-linux-gnu and i686-linux-gnu.

Reviewed-by: Lukasz Majewski <lukma@denx.de>
This commit is contained in:
Adhemerval Zanella
2020-07-24 15:05:19 -03:00
parent 14633d3e56
commit f1ed4d4c2c
2 changed files with 48 additions and 0 deletions
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4
include/sys/resource.h
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@ -138,12 +138,16 @@ libc_hidden_proto (__setrlimit);
#if __TIMESIZE == 64 #if __TIMESIZE == 64
# define __getrusage64 __getrusage # define __getrusage64 __getrusage
# define __wait4_time64 __wait4 # define __wait4_time64 __wait4
# define __wait3_time64 __wait3
#else #else
extern int __getrusage64 (enum __rusage_who who, struct __rusage64 *usage); extern int __getrusage64 (enum __rusage_who who, struct __rusage64 *usage);
libc_hidden_proto (__getrusage64) libc_hidden_proto (__getrusage64)
extern pid_t __wait4_time64 (pid_t pid, int *stat_loc, int options, extern pid_t __wait4_time64 (pid_t pid, int *stat_loc, int options,
struct __rusage64 *usage); struct __rusage64 *usage);
libc_hidden_proto (__wait4_time64) libc_hidden_proto (__wait4_time64)
extern pid_t __wait3_time64 (int *stat_loc, int options,
struct __rusage64 *usage);
libc_hidden_proto (__wait3_time64)
#endif #endif
#endif #endif
#endif #endif

44
sysdeps/unix/sysv/linux/wait3.c Normal file
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@ -0,0 +1,44 @@
/* Wait for process to change state, BSD style. Linux version.
Copyright (C) 2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <sys/wait.h>
#include <sys/resource.h>
#include <sys/types.h>
pid_t
__wait3_time64 (int *stat_loc, int options, struct __rusage64 *usage)
{
return __wait4_time64 (WAIT_ANY, stat_loc, options, usage);
}
#if __TIMESIZE != 64
libc_hidden_def (__wait3_time64)
pid_t
__wait3 (int *stat_loc, int options, struct rusage *usage)
{
struct __rusage64 usage64;
pid_t ret = __wait3_time64 (stat_loc, options,
usage != NULL ? &usage64 : NULL);
if (ret > 0 && usage != NULL)
rusage64_to_rusage (&usage64, usage);
return ret;
}
#endif
weak_alias (__wait3, wait3)