diff options
Diffstat (limited to 'libc/sysdeps/linux/common/wait4.c')
| -rw-r--r-- | libc/sysdeps/linux/common/wait4.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/wait4.c b/libc/sysdeps/linux/common/wait4.c index 19f02ae22..cd042d5e7 100644 --- a/libc/sysdeps/linux/common/wait4.c +++ b/libc/sysdeps/linux/common/wait4.c @@ -8,6 +8,7 @@ #include <sys/syscall.h> #include <sys/wait.h> +#include <sys/resource.h> # define __NR___syscall_wait4 __NR_wait4 static __always_inline _syscall4(int, __syscall_wait4, __kernel_pid_t, pid, @@ -15,7 +16,21 @@ static __always_inline _syscall4(int, __syscall_wait4, __kernel_pid_t, pid, pid_t __wait4_nocancel(pid_t pid, int *status, int opts, struct rusage *rusage) { +#if defined(__UCLIBC_USE_TIME64__) + char *arg_rusage = rusage ? (char *)&rusage->ru_maxrss - 4 * sizeof(__S32_TYPE) : 0; + int __ret = __syscall_wait4(pid, status, opts, (struct rusage *)arg_rusage); + if (__ret > 0 && rusage) { + __S32_TYPE __rusage[4]; + memcpy(__rusage, arg_rusage, 4 * sizeof(__S32_TYPE)); + struct timeval tv_utime = {.tv_sec = __rusage[0], .tv_usec = __rusage[1]}; + struct timeval tv_stime = {.tv_sec = __rusage[2], .tv_usec = __rusage[2]}; + rusage->ru_utime = tv_utime; + rusage->ru_stime = tv_stime; + } + return __ret; +#else return __syscall_wait4(pid, status, opts, rusage); +#endif } #ifdef __USE_BSD strong_alias(__wait4_nocancel,wait4) |