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Add accessor for SIGTRAP cause in wait status

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R=rsc
APPROVED=rsc
DELTA=7  (7 added, 0 deleted, 0 changed)
OCL=31563
CL=31565
This commit is contained in:
Austin Clements 2009-07-13 19:20:38 -07:00
parent 218c393029
commit da1da8d07e
1 changed files with 7 additions and 0 deletions
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7
src/pkg/syscall/syscall_linux.go
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@ -164,6 +164,13 @@ func (w WaitStatus) StopSignal() int {
return int(w >> shift) & 0xFF;
}
func (w WaitStatus) TrapCause() int {
if w.StopSignal() != SIGTRAP {
return -1;
}
return int(w >> shift) >> 8;
}
//sys wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, errno int)
func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, errno int) {
var status _C_int;