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author | Ralf Baechle <ralf@linux-mips.org> | 2005-02-16 22:21:29 +0100 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2005-10-29 20:30:35 +0200 |
commit | 54f2da755b7f0bf022ea204240cba824af4d80ad (patch) | |
tree | 06c6a800c1023cab23566f33fccb05d9f1de9e73 /arch/mips/kernel/linux32.c | |
parent | Waitid(2) now has 5 arguments. (diff) | |
download | linux-54f2da755b7f0bf022ea204240cba824af4d80ad.tar.xz linux-54f2da755b7f0bf022ea204240cba824af4d80ad.zip |
Implement 32-bit compatibility for waitid(2).
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/linux32.c')
-rw-r--r-- | arch/mips/kernel/linux32.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index dfb448c015e1..120dd897162e 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -221,6 +221,28 @@ sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr, int options) return compat_sys_wait4(pid, stat_addr, options, NULL); } +asmlinkage long +sysn32_waitid(int which, compat_pid_t pid, + siginfo_t __user *uinfo, int options, + struct compat_rusage __user *uru) +{ + struct rusage ru; + long ret; + mm_segment_t old_fs = get_fs(); + + set_fs (KERNEL_DS); + ret = sys_waitid(which, pid, uinfo, options, + uru ? (struct rusage __user *) &ru : NULL); + set_fs (old_fs); + + if (ret < 0 || uinfo->si_signo == 0) + return ret; + + if (uru) + ret = put_compat_rusage(&ru, uru); + return ret; +} + struct sysinfo32 { s32 uptime; u32 loads[3]; |