Date: Tue, 8 Mar 2016 19:20:57 +0000 (UTC) From: Dmitry Chagin <dchagin@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r296543 - head/sys/compat/linux Message-ID: <201603081920.u28JKvbM088851@repo.freebsd.org>
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Author: dchagin Date: Tue Mar 8 19:20:57 2016 New Revision: 296543 URL: https://svnweb.freebsd.org/changeset/base/296543 Log: Put a commit message from r296502 about Linux alarm() system call behaviour to the source. Suggested by: emaste@ MFC after: 1 week Modified: head/sys/compat/linux/linux_misc.c Modified: head/sys/compat/linux/linux_misc.c ============================================================================== --- head/sys/compat/linux/linux_misc.c Tue Mar 8 19:08:55 2016 (r296542) +++ head/sys/compat/linux/linux_misc.c Tue Mar 8 19:20:57 2016 (r296543) @@ -206,6 +206,11 @@ linux_alarm(struct thread *td, struct li it.it_value.tv_usec = 0; it.it_interval.tv_sec = 0; it.it_interval.tv_usec = 0; + /* + * According to POSIX and Linux implementation + * the alarm() system call is always successfull. + * Ignore errors and return 0 as a Linux do. + */ kern_setitimer(td, ITIMER_REAL, &it, &old_it); if (timevalisset(&old_it.it_value)) { if (old_it.it_value.tv_usec != 0)
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