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From: Adhemerval Zanella <azanella@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/azanella/y2038] linux: Simplify sched_rr_get_interval Date: Thu, 30 Jul 2020 13:25:06 +0000 (GMT) [thread overview] Message-ID: <20200730132506.D6648388A82B@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1ed1ce0cb57d47f2ead1b48c37afc407cfcf40fc commit 1ed1ce0cb57d47f2ead1b48c37afc407cfcf40fc Author: Adhemerval Zanella <adhemerval.zanella@linaro.org> Date: Fri Jul 10 14:04:48 2020 -0300 linux: Simplify sched_rr_get_interval With arch-syscall.h it can now assumes the existance of either __NR_sched_rr_get_interval or __NR_sched_rr_get_interval_time64. The 32-bit time_t support is now only build for !__ASSUME_TIME64_SYSCALLS. Checked on x86_64-linux-gnu and i686-linux-gnu (on 5.4 and on 4.15 kernel). Diff: --- sysdeps/unix/sysv/linux/sched_rr_gi.c | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) diff --git a/sysdeps/unix/sysv/linux/sched_rr_gi.c b/sysdeps/unix/sysv/linux/sched_rr_gi.c index 3d7b484591..997562159f 100644 --- a/sysdeps/unix/sysv/linux/sched_rr_gi.c +++ b/sysdeps/unix/sysv/linux/sched_rr_gi.c @@ -25,24 +25,20 @@ int __sched_rr_get_interval64 (pid_t pid, struct __timespec64 *tp) { -#ifdef __ASSUME_TIME64_SYSCALLS -# ifndef __NR_sched_rr_get_interval_time64 -# define __NR_sched_rr_get_interval_time64 __NR_sched_rr_get_interval -# endif - return INLINE_SYSCALL_CALL (sched_rr_get_interval_time64, pid, tp); -#else -# ifdef __NR_sched_rr_get_interval_time64 +#ifndef __NR_sched_rr_get_interval_time64 +# define __NR_sched_rr_get_interval_time64 __NR_sched_rr_get_interval +#endif int ret = INLINE_SYSCALL_CALL (sched_rr_get_interval_time64, pid, tp); +#ifndef __ASSUME_TIME64_SYSCALLS if (ret == 0 || errno != ENOSYS) return ret; -# endif + struct timespec tp32; - int retval = INLINE_SYSCALL_CALL (sched_rr_get_interval, pid, &tp32); - if (retval == 0) + ret = INLINE_SYSCALL_CALL (sched_rr_get_interval, pid, &tp32); + if (ret == 0) *tp = valid_timespec_to_timespec64 (tp32); - - return retval; #endif + return ret; } #if __TIMESIZE != 64
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