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| author | Ralf Baechle <ralf@linux-mips.org> | 2005-02-16 22:21:29 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2005-10-29 20:30:35 +0200 |
| commit | 54f2da755b7f0bf022ea204240cba824af4d80ad (patch) | |
| tree | 06c6a800c1023cab23566f33fccb05d9f1de9e73 /arch/mips/kernel/signal32.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/signal32.c')
| -rw-r--r-- | arch/mips/kernel/signal32.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index 8ddfbd8d425a..d50daee51fba 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -902,3 +902,30 @@ asmlinkage int sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t *uinfo) set_fs (old_fs); return ret; } + +asmlinkage long +sys32_waitid(int which, compat_pid_t pid, + compat_siginfo_t __user *uinfo, int options, + struct compat_rusage __user *uru) +{ + siginfo_t info; + struct rusage ru; + long ret; + mm_segment_t old_fs = get_fs(); + + info.si_signo = 0; + set_fs (KERNEL_DS); + ret = sys_waitid(which, pid, (siginfo_t __user *) &info, options, + uru ? (struct rusage __user *) &ru : NULL); + set_fs (old_fs); + + if (ret < 0 || info.si_signo == 0) + return ret; + + if (uru && (ret = put_compat_rusage(&ru, uru))) + return ret; + + BUG_ON(info.si_code & __SI_MASK); + info.si_code |= __SI_CHLD; + return copy_siginfo_to_user32(uinfo, &info); +} |