If a parent and child process open the two ends of a fifo, and the
child immediately exits, the parent may receive a SIGCHLD before its
open() returns. In that case, we need to make sure that open() will
return successfully after the SIGCHLD handler returns, instead of
throwing EINTR or being
If a parent and child process open the two ends of a fifo, and the
child immediately exits, the parent may receive a SIGCHLD before its
open() returns. In that case, we need to make sure that open() will
return successfully after the SIGCHLD handler returns, instead of
throwing EINTR or being
Anders Kaseorg wrote:
Signed-off-by: Anders Kaseorg ande...@mit.edu
---
Changes from v1:
• Change wait_for_partner return from true/false to 0/-ERESTARTSYS.
• Mention that the demo program doesn’t always work for some.
• Remove some unneeded braces from the demo program’s CHECK() macro.
