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std: Add pidfd wrappers

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This commit is contained in:
Hubert Jasudowicz 2021-04-17 01:08:13 +02:00
parent 01a1365857
commit 5134fb72ef
1 changed files with 23 additions and 0 deletions
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23
lib/std/os/linux.zig
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@ -1387,6 +1387,29 @@ pub fn madvise(address: [*]u8, len: usize, advice: u32) usize {
return syscall3(.madvise, @ptrToInt(address), len, advice);
}
pub fn pidfd_open(pid: pid_t, flags: u32) usize {
return syscall2(.pidfd_open, @bitCast(usize, @as(isize, pid)), flags);
}
pub fn pidfd_getfd(pidfd: fd_t, targetfd: fd_t, flags: u32) usize {
return syscall3(
.pidfd_getfd,
@bitCast(usize, @as(isize, pidfd)),
@bitCast(usize, @as(isize, targetfd)),
flags,
);
}
pub fn pidfd_send_signal(pidfd: fd_t, sig: i32, info: ?*siginfo_t, flags: u32) usize {
return syscall4(
.pidfd_send_signal,
@bitCast(usize, @as(isize, pidfd)),
@bitCast(usize, @as(isize, sig)),
@ptrToInt(info),
flags,
);
}
test {
if (builtin.os.tag == .linux) {
_ = @import("linux/test.zig");