averello/swift-mirror
1
0
Fork 0
mirror of https://github.com/apple/swift.git synced 2025-12-14 20:36:38 +01:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #81000 from compnerd/reorder

Browse Source 
SwiftInspectLinux: re-order initialization
This commit is contained in:
Saleem Abdulrasool
2025-04-23 00:28:49 -07:00
committed by GitHub
parent 92184584eb 0b953adb44
commit bc0760083d
1 changed files with 8 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
tools/swift-inspect/Sources/SwiftInspectLinux/PTrace.swift
View File

@@ -33,24 +33,25 @@ public struct PTrace: ~Copyable {
// process by calling cont().
// NOTE: clients must use withPTracedProcess instead of direct initialization.
fileprivate init(_ pid: pid_t) throws {
guard ptrace_attach(pid) != -1 else {
throw PTraceError.operationFailure(PTRACE_ATTACH, pid: pid)
self.pid = pid
guard ptrace_attach(self.pid) != -1 else {
throw PTraceError.operationFailure(PTRACE_ATTACH, pid: self.pid)
}
while true {
var status: CInt = 0
let result = waitpid(pid, &status, 0)
let result = waitpid(self.pid, &status, 0)
if result == -1 {
if get_errno() == EINTR { continue }
throw PTraceError.waitFailure(pid: pid)
throw PTraceError.waitFailure(pid: self.pid)
}
precondition(pid == result, "waitpid returned unexpected value \(result)")
precondition(self.pid == result,
"waitpid returned unexpected value \(result)")
if wIfStopped(status) { break }
}
self.pid = pid
}
deinit { _ = ptrace_detach(self.pid) }