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syscall (linux): waitid, pipe2

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This commit is contained in:
xushiwei
2024-07-26 14:35:58 +08:00
parent d3e84cbc4c
commit 384e887fdb
3 changed files with 45 additions and 4 deletions
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4
internal/lib/os/wait_waitid.go
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@@ -21,7 +21,7 @@ const _P_PID = 1
// int waitid(idtype_t idtype, id_t id, siginfo_t *infop, int options);
//
//go:linkname waitid C.waitid
func waitid(idtype, id uintptr, infop *[16]uint64, options c.Int) c.Int
func waitid(idtype, id uintptr, infop *uint64, options c.Int) c.Int
// blockUntilWaitable attempts to block until a call to p.Wait will
// succeed immediately, and reports whether it has done so.
@@ -35,7 +35,7 @@ func (p *Process) blockUntilWaitable() (bool, error) {
psig := &siginfo[0]
var e syscall.Errno
for {
e = syscall.Errno(waitid(_P_PID, uintptr(p.Pid), psig, syscall.WEXITED|syscall.WNOWAIT, 0, 0))
e = syscall.Errno(waitid(_P_PID, uintptr(p.Pid), psig, syscall.WEXITED|syscall.WNOWAIT))
if e != syscall.EINTR {
break
}