From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Joachim Schmitz" Subject: [PATCH 1/2] Support for setitimer() on platforms lacking it Date: Fri, 24 Aug 2012 12:39:54 +0200 Message-ID: <003301cd81e4$cd68daa0$683a8fe0$@schmitz-digital.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: "Junio C Hamano" , X-From: git-owner@vger.kernel.org Fri Aug 24 12:40:21 2012 Return-path: Envelope-to: gcvg-git-2@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1T4rJK-0006ct-Fy for gcvg-git-2@plane.gmane.org; Fri, 24 Aug 2012 12:40:18 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755103Ab2HXKkL (ORCPT ); Fri, 24 Aug 2012 06:40:11 -0400 Received: from moutng.kundenserver.de ([212.227.126.187]:57131 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754396Ab2HXKkI (ORCPT ); Fri, 24 Aug 2012 06:40:08 -0400 Received: from DualCore (dsdf-4db5d8d2.pool.mediaWays.net [77.181.216.210]) by mrelayeu.kundenserver.de (node=mrbap3) with ESMTP (Nemesis) id 0Mb9Rr-1TNkq70JX1-00Kiur; Fri, 24 Aug 2012 12:40:04 +0200 X-Mailer: Microsoft Outlook 14.0 Thread-Index: Ac2B5AAzrbm9hijYS+CDi+1PeMQX6Q== Content-Language: de X-Provags-ID: V02:K0:oT2EVFiqbhuyociAns/toa21SAb+qiAppaNe3PXNgxe fj0UmWHNoenXp6ic01qAlPiCBmwc9AIojHYM5QCVXzX9S5xI9H zUL2Jj6+TPAauiwRUmtPN8EXO87nnx4uoPCdLB47Cq2DFEDpb8 Tz6fML1fTOFxSnjZq40QiVmUil+t3Zdnmmyxs/B3lytRkY4Wcc FKqX+85JUBHX2ReSq3F16/KHZ1oNtONMr6QBYOTVfQdJPqWhoh /R/NVu3esHhIVs1ksIxleisRVYfy61PteIAteKfbF/EIiptECK mKQm89J6hCZrc3NmfxneoMr+Ma88Vqv43IVg5XZthOXvyGCZit cyCxBa0E3FLPkfET9gJcc0Iq7fYBE6Mg01xJ+gS4CJgqX5X6HF EDTJs02uLENrA== Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: Implementation includes getitimer(), but for now it is static. Supports ITIMER_REAL only. Signed-off-by: Joachim Schmitz --- May need a header file for ITIMER_*, struct itimerval and the prototypes, But for now, and the HP NonStop platform this isn't needed, here has ITIMER_* and struct timeval, and the prototypes can vo into git-compat-util.h for now (Patch 2/2) compat/itimer.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 compat/itimer.c diff --git a/compat/itimer.c b/compat/itimer.c new file mode 100644 index 0000000..713f1ff --- /dev/null +++ b/compat/itimer.c @@ -0,0 +1,50 @@ +#include "../git-compat-util.h" + +static int git_getitimer(int which, struct itimerval *value) +{ + int ret = 0; + + switch (which) { + case ITIMER_REAL: + value->it_value.tv_usec = 0; + value->it_value.tv_sec = alarm(0); + ret = 0; /* if alarm() fails, we get a SIGLIMIT */ + break; + case ITIMER_VIRTUAL: /* FALLTHRU */ + case ITIMER_PROF: errno = ENOTSUP; ret = -1; break; + default: errno = EINVAL; ret = -1; + } + return ret; +} + +int git_setitimer(int which, const struct itimerval *value, + struct itimerval *ovalue) +{ + int ret = 0; + + if (!value + || value->it_value.tv_usec < 0 + || value->it_value.tv_usec > 1000000 + || value->it_value.tv_sec < 0) { + errno = EINVAL; + return -1; + } + + else if (ovalue) + if (!git_getitimer(which, ovalue)) + return -1; /* errno set in git_getitimer() */ + + else + switch (which) { + case ITIMER_REAL: + alarm(value->it_value.tv_sec + + (value->it_value.tv_usec > 0) ? 1 : 0); + ret = 0; /* if alarm() fails, we get a SIGLIMIT */ + break; + case ITIMER_VIRTUAL: /* FALLTHRU */ + case ITIMER_PROF: errno = ENOTSUP; ret = -1; break; + default: errno = EINVAL; ret = -1; + } + + return ret; +} -- 1.7.12