Date: Fri, 7 Nov 2014 16:33:34 +0000 (UTC) From: Dmitry Chagin <dchagin@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r274243 - in user/dchagin/lemul/sys: amd64/linux amd64/linux32 compat/linux i386/linux Message-ID: <201411071633.sA7GXYXH025427@svn.freebsd.org>
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Author: dchagin Date: Fri Nov 7 16:33:33 2014 New Revision: 274243 URL: https://svnweb.freebsd.org/changeset/base/274243 Log: Implement ppoll() system call. (need more test, ltp passed) Modified: user/dchagin/lemul/sys/amd64/linux/linux_dummy.c user/dchagin/lemul/sys/amd64/linux/syscalls.master user/dchagin/lemul/sys/amd64/linux32/linux32_dummy.c user/dchagin/lemul/sys/amd64/linux32/syscalls.master user/dchagin/lemul/sys/compat/linux/linux_misc.c user/dchagin/lemul/sys/i386/linux/linux_dummy.c user/dchagin/lemul/sys/i386/linux/syscalls.master Modified: user/dchagin/lemul/sys/amd64/linux/linux_dummy.c ============================================================================== --- user/dchagin/lemul/sys/amd64/linux/linux_dummy.c Fri Nov 7 16:25:07 2014 (r274242) +++ user/dchagin/lemul/sys/amd64/linux/linux_dummy.c Fri Nov 7 16:33:33 2014 (r274243) @@ -92,7 +92,6 @@ DUMMY(inotify_init); DUMMY(inotify_add_watch); DUMMY(inotify_rm_watch); DUMMY(migrate_pages); -DUMMY(ppoll); DUMMY(unshare); DUMMY(splice); DUMMY(tee); Modified: user/dchagin/lemul/sys/amd64/linux/syscalls.master ============================================================================== --- user/dchagin/lemul/sys/amd64/linux/syscalls.master Fri Nov 7 16:25:07 2014 (r274242) +++ user/dchagin/lemul/sys/amd64/linux/syscalls.master Fri Nov 7 16:33:33 2014 (r274243) @@ -456,7 +456,8 @@ l_fd_set *readfds, l_fd_set *writefds, \ l_fd_set *exceptfds, \ struct l_timespec *tsp, l_uintptr_t *sig); } -271 AUE_NULL STD { int linux_ppoll(void); } +271 AUE_POLL STD { int linux_ppoll(struct pollfd* fds, uint32_t nfds, \ + struct l_timespec *tsp, l_sigset_t *sset, l_size_t ssize); } 272 AUE_NULL STD { int linux_unshare(void); } 273 AUE_NULL STD { int linux_set_robust_list(struct linux_robust_list_head *head, \ l_size_t len); } Modified: user/dchagin/lemul/sys/amd64/linux32/linux32_dummy.c ============================================================================== --- user/dchagin/lemul/sys/amd64/linux32/linux32_dummy.c Fri Nov 7 16:25:07 2014 (r274242) +++ user/dchagin/lemul/sys/amd64/linux32/linux32_dummy.c Fri Nov 7 16:33:33 2014 (r274243) @@ -92,7 +92,6 @@ DUMMY(inotify_add_watch); DUMMY(inotify_rm_watch); /* linux 2.6.16: */ DUMMY(migrate_pages); -DUMMY(ppoll); DUMMY(unshare); /* linux 2.6.17: */ DUMMY(splice); Modified: user/dchagin/lemul/sys/amd64/linux32/syscalls.master ============================================================================== --- user/dchagin/lemul/sys/amd64/linux32/syscalls.master Fri Nov 7 16:25:07 2014 (r274242) +++ user/dchagin/lemul/sys/amd64/linux32/syscalls.master Fri Nov 7 16:33:33 2014 (r274243) @@ -513,7 +513,8 @@ l_fd_set *readfds, l_fd_set *writefds, \ l_fd_set *exceptfds, \ struct l_timespec *tsp, l_uintptr_t *sig); } -309 AUE_NULL STD { int linux_ppoll(void); } +309 AUE_POLL STD { int linux_ppoll(struct pollfd* fds, uint32_t nfds, \ + struct l_timespec *tsp, l_sigset_t *sset, l_size_t ssize); } 310 AUE_NULL STD { int linux_unshare(void); } ; linux 2.6.17: 311 AUE_NULL STD { int linux_set_robust_list(struct linux_robust_list_head *head, \ Modified: user/dchagin/lemul/sys/compat/linux/linux_misc.c ============================================================================== --- user/dchagin/lemul/sys/compat/linux/linux_misc.c Fri Nov 7 16:25:07 2014 (r274242) +++ user/dchagin/lemul/sys/compat/linux/linux_misc.c Fri Nov 7 16:33:33 2014 (r274243) @@ -2170,6 +2170,61 @@ linux_pselect6(struct thread *td, struct return (error); } +int +linux_ppoll(struct thread *td, struct linux_ppoll_args *args) +{ + struct timespec ts0, ts1; + struct l_timespec lts; + struct timespec uts, *tsp; + l_sigset_t l_ss; + sigset_t *ssp; + sigset_t ss; + int error; + + if (args->sset) { + if (args->ssize != sizeof(l_ss)) + return (EINVAL); + error = copyin(args->sset, &l_ss, sizeof(l_ss)); + if (error) + return (error); + linux_to_bsd_sigset(&l_ss, &ss); + SIGDELSET(ss, SIGKILL); + SIGDELSET(ss, SIGSTOP); + ssp = &ss; + } else + ssp = NULL; + if (args->tsp) { + error = copyin(args->tsp, <s, sizeof(lts)); + if (error) + return (error); + uts.tv_sec = lts.tv_sec; + uts.tv_nsec = lts.tv_nsec; + + nanotime(&ts0); + tsp = &uts; + } else + tsp = NULL; + + error = kern_ppoll(td, args->fds, args->nfds, tsp, ssp); + + if (error == 0 && args->tsp) { + if (td->td_retval[0]) { + nanotime(&ts1); + timespecsub(&ts1, &ts0); + timespecsub(&uts, &ts1); + if (uts.tv_sec < 0) + timespecclear(&uts); + } else + timespecclear(&uts); + + lts.tv_sec = uts.tv_sec; + lts.tv_nsec = uts.tv_nsec; + error = copyout(<s, args->tsp, sizeof(lts)); + } + + return (error); +} + #if defined(DEBUG) || defined(KTR) /* XXX: can be removed when every ldebug(...) and KTR stuff are removed. */ Modified: user/dchagin/lemul/sys/i386/linux/linux_dummy.c ============================================================================== --- user/dchagin/lemul/sys/i386/linux/linux_dummy.c Fri Nov 7 16:25:07 2014 (r274242) +++ user/dchagin/lemul/sys/i386/linux/linux_dummy.c Fri Nov 7 16:33:33 2014 (r274243) @@ -88,7 +88,6 @@ DUMMY(inotify_add_watch); DUMMY(inotify_rm_watch); /* linux 2.6.16: */ DUMMY(migrate_pages); -DUMMY(ppoll); DUMMY(unshare); /* linux 2.6.17: */ DUMMY(splice); Modified: user/dchagin/lemul/sys/i386/linux/syscalls.master ============================================================================== --- user/dchagin/lemul/sys/i386/linux/syscalls.master Fri Nov 7 16:25:07 2014 (r274242) +++ user/dchagin/lemul/sys/i386/linux/syscalls.master Fri Nov 7 16:33:33 2014 (r274243) @@ -521,7 +521,8 @@ l_fd_set *readfds, l_fd_set *writefds, \ l_fd_set *exceptfds, \ struct l_timespec *tsp, l_uintptr_t *sig); } -309 AUE_NULL STD { int linux_ppoll(void); } +309 AUE_POLL STD { int linux_ppoll(struct pollfd* fds, uint32_t nfds, \ + struct l_timespec *tsp, l_sigset_t *sset, l_size_t ssize); } 310 AUE_NULL STD { int linux_unshare(void); } ; linux 2.6.17: 311 AUE_NULL STD { int linux_set_robust_list(struct linux_robust_list_head *head, \
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