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Bug 19146 – std.process.spawnProcess: Set signal handlers are reset to SIG_DFL between fork-exec

Status: RESOLVED
Resolution: INVALID
Severity: enhancement
Priority: P1
Component: phobos
Product: D
Version: D2
Platform: All
OS: Linux
Creation time: 2018-08-06T13:32:45Z
Last change time: 2019-07-25T07:53:50Z
Assigned to: No Owner
Creator: Hiroki Noda

Comments

Comment #0 by kubo39 — 2018-08-06T13:32:45Z

It's a possibility that rewriteing global variables may be performed by singal handler,So set signal handlers are reset to SIG_DFL. In order to prevent race condition, it is necessary to mask signals once in the parent process before fork.

Comment #1 by kubo39 — 2019-07-25T07:53:50Z

I'm wrong, we don't have to care about race condition in this case when we don't use vfork().