Source
pub const W = switch (native_os) {
.linux => linux.W,
.emscripten => emscripten.W,
.macos, .ios, .tvos, .watchos, .visionos => struct {
/// [XSI] no hang in wait/no child to reap
pub const NOHANG = 0x00000001;
/// [XSI] notify on stop, untraced child
pub const UNTRACED = 0x00000002;
pub fn EXITSTATUS(x: u32) u8 {
return @as(u8, @intCast(x >> 8));
}
pub fn TERMSIG(x: u32) u32 {
return status(x);
}
pub fn STOPSIG(x: u32) u32 {
return x >> 8;
}
pub fn IFEXITED(x: u32) bool {
return status(x) == 0;
}
pub fn IFSTOPPED(x: u32) bool {
return status(x) == stopped and STOPSIG(x) != 0x13;
}
pub fn IFSIGNALED(x: u32) bool {
return status(x) != stopped and status(x) != 0;
}
fn status(x: u32) u32 {
return x & 0o177;
}
const stopped = 0o177;
},
.freebsd => struct {
pub const NOHANG = 1;
pub const UNTRACED = 2;
pub const STOPPED = UNTRACED;
pub const CONTINUED = 4;
pub const NOWAIT = 8;
pub const EXITED = 16;
pub const TRAPPED = 32;
pub fn EXITSTATUS(s: u32) u8 {
return @as(u8, @intCast((s & 0xff00) >> 8));
}
pub fn TERMSIG(s: u32) u32 {
return s & 0x7f;
}
pub fn STOPSIG(s: u32) u32 {
return EXITSTATUS(s);
}
pub fn IFEXITED(s: u32) bool {
return TERMSIG(s) == 0;
}
pub fn IFSTOPPED(s: u32) bool {
return @as(u16, @truncate((((s & 0xffff) *% 0x10001) >> 8))) > 0x7f00;
}
pub fn IFSIGNALED(s: u32) bool {
return (s & 0xffff) -% 1 < 0xff;
}
},
.solaris, .illumos => struct {
pub const EXITED = 0o001;
pub const TRAPPED = 0o002;
pub const UNTRACED = 0o004;
pub const STOPPED = UNTRACED;
pub const CONTINUED = 0o010;
pub const NOHANG = 0o100;
pub const NOWAIT = 0o200;
pub fn EXITSTATUS(s: u32) u8 {
return @as(u8, @intCast((s >> 8) & 0xff));
}
pub fn TERMSIG(s: u32) u32 {
return s & 0x7f;
}
pub fn STOPSIG(s: u32) u32 {
return EXITSTATUS(s);
}
pub fn IFEXITED(s: u32) bool {
return TERMSIG(s) == 0;
}
pub fn IFCONTINUED(s: u32) bool {
return ((s & 0o177777) == 0o177777);
}
pub fn IFSTOPPED(s: u32) bool {
return (s & 0x00ff != 0o177) and !(s & 0xff00 != 0);
}
pub fn IFSIGNALED(s: u32) bool {
return s & 0x00ff > 0 and s & 0xff00 == 0;
}
},
.netbsd => struct {
pub const NOHANG = 0x00000001;
pub const UNTRACED = 0x00000002;
pub const STOPPED = UNTRACED;
pub const CONTINUED = 0x00000010;
pub const NOWAIT = 0x00010000;
pub const EXITED = 0x00000020;
pub const TRAPPED = 0x00000040;
pub fn EXITSTATUS(s: u32) u8 {
return @as(u8, @intCast((s >> 8) & 0xff));
}
pub fn TERMSIG(s: u32) u32 {
return s & 0x7f;
}
pub fn STOPSIG(s: u32) u32 {
return EXITSTATUS(s);
}
pub fn IFEXITED(s: u32) bool {
return TERMSIG(s) == 0;
}
pub fn IFCONTINUED(s: u32) bool {
return ((s & 0x7f) == 0xffff);
}
pub fn IFSTOPPED(s: u32) bool {
return ((s & 0x7f != 0x7f) and !IFCONTINUED(s));
}
pub fn IFSIGNALED(s: u32) bool {
return !IFSTOPPED(s) and !IFCONTINUED(s) and !IFEXITED(s);
}
},
.dragonfly => struct {
pub const NOHANG = 0x0001;
pub const UNTRACED = 0x0002;
pub const CONTINUED = 0x0004;
pub const STOPPED = UNTRACED;
pub const NOWAIT = 0x0008;
pub const EXITED = 0x0010;
pub const TRAPPED = 0x0020;
pub fn EXITSTATUS(s: u32) u8 {
return @as(u8, @intCast((s & 0xff00) >> 8));
}
pub fn TERMSIG(s: u32) u32 {
return s & 0x7f;
}
pub fn STOPSIG(s: u32) u32 {
return EXITSTATUS(s);
}
pub fn IFEXITED(s: u32) bool {
return TERMSIG(s) == 0;
}
pub fn IFSTOPPED(s: u32) bool {
return @as(u16, @truncate((((s & 0xffff) *% 0x10001) >> 8))) > 0x7f00;
}
pub fn IFSIGNALED(s: u32) bool {
return (s & 0xffff) -% 1 < 0xff;
}
},
.haiku => struct {
pub const NOHANG = 0x1;
pub const UNTRACED = 0x2;
pub const CONTINUED = 0x4;
pub const EXITED = 0x08;
pub const STOPPED = 0x10;
pub const NOWAIT = 0x20;
pub fn EXITSTATUS(s: u32) u8 {
return @as(u8, @intCast(s & 0xff));
}
pub fn TERMSIG(s: u32) u32 {
return (s >> 8) & 0xff;
}
pub fn STOPSIG(s: u32) u32 {
return (s >> 16) & 0xff;
}
pub fn IFEXITED(s: u32) bool {
return (s & ~@as(u32, 0xff)) == 0;
}
pub fn IFSTOPPED(s: u32) bool {
return ((s >> 16) & 0xff) != 0;
}
pub fn IFSIGNALED(s: u32) bool {
return ((s >> 8) & 0xff) != 0;
}
},
.openbsd => struct {
pub const NOHANG = 1;
pub const UNTRACED = 2;
pub const CONTINUED = 8;
pub fn EXITSTATUS(s: u32) u8 {
return @as(u8, @intCast((s >> 8) & 0xff));
}
pub fn TERMSIG(s: u32) u32 {
return (s & 0x7f);
}
pub fn STOPSIG(s: u32) u32 {
return EXITSTATUS(s);
}
pub fn IFEXITED(s: u32) bool {
return TERMSIG(s) == 0;
}
pub fn IFCONTINUED(s: u32) bool {
return ((s & 0o177777) == 0o177777);
}
pub fn IFSTOPPED(s: u32) bool {
return (s & 0xff == 0o177);
}
pub fn IFSIGNALED(s: u32) bool {
return (((s) & 0o177) != 0o177) and (((s) & 0o177) != 0);
}
},
// https://github.com/SerenityOS/serenity/blob/ec492a1a0819e6239ea44156825c4ee7234ca3db/Kernel/API/POSIX/sys/wait.h
.serenity => struct {
pub const NOHANG = 1;
pub const UNTRACED = 2;
pub const STOPPED = UNTRACED;
pub const EXITED = 4;
pub const CONTINUED = 8;
pub const NOWAIT = 0x1000000;
pub fn EXITSTATUS(s: u32) u8 {
return @intCast((s & 0xff00) >> 8);
}
pub fn STOPSIG(s: u32) u32 {
return EXITSTATUS(s);
}
pub fn TERMSIG(s: u32) u32 {
return s & 0x7f;
}
pub fn IFEXITED(s: u32) bool {
return TERMSIG(s) == 0;
}
pub fn IFSTOPPED(s: u32) bool {
return (s & 0xff) == 0x7f;
}
pub fn IFSIGNALED(s: u32) bool {
return (((s & 0x7f) + 1) >> 1) > 0;
}
pub fn IFCONTINUED(s: u32) bool {
return s == 0xffff;
}
},
else => void,
}