[Bug libc/22478] New: sigwait can fail with EINTR

["fweimer at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=22478

            Bug ID: 22478
           Summary: sigwait can fail with EINTR
           Product: glibc
           Version: 2.26
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
          Assignee: unassigned at sourceware dot org
          Reporter: fweimer at redhat dot com
                CC: drepper.fsp at gmail dot com
  Target Milestone: ---
             Flags: security-

Since

commit 8b0e795aaa445e9167aa07b282c5720b35342c07
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Wed Nov 1 11:49:05 2017 -0200

    Simplify Linux sig{timed}wait{info} implementations

sigwait can fail with EINTR.  Applications do not expect that, and the error
code is not documented in POSIX or the manual pages.

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