diff options
Diffstat (limited to 'coro.h')
| -rw-r--r-- | coro.h | 29 |
1 files changed, 18 insertions, 11 deletions
@@ -11,9 +11,6 @@ * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO @@ -25,8 +22,19 @@ * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * + * Alternatively, the contents of this file may be used under the terms of + * the GNU General Public License ("GPL") version 2 or any later version, + * in which case the provisions of the GPL are applicable instead of + * the above. If you wish to allow the use of your version of this file + * only under the terms of the GPL and not to allow others to use your + * version of this file under the BSD license, indicate your decision + * by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL. If you do not delete the + * provisions above, a recipient may use your version of this file under + * either the BSD or the GPL. + * * This library is modelled strictly after Ralf S. Engelschalls article at - * http://www.gnu.org/software/pth/rse-pmt.ps. So most of the credit must + * http://www.gnu.org/software/pth/rse-pmt.ps. So most of the credit must * go to Ralf S. Engelschall <rse@engelschall.com>. * * This coroutine library is very much stripped down. You should either @@ -44,6 +52,7 @@ * 2007-05-02 Add assembly versions for x86 and amd64 (to avoid reliance * on SIGUSR2 and sigaltstack in Crossfire). * 2008-01-21 Disable CFI usage on anything but GNU/Linux. + * 2008-03-02 Switched to 2-clause BSD license with GPL exception. */ #ifndef CORO_H @@ -68,21 +77,19 @@ * * This flavour uses SUSv2's get/set/swap/makecontext functions that * unfortunately only newer unices support. - * Use this for GNU/Linux + glibc-2.2.3 and possibly higher. * * -DCORO_SJLJ * * This flavour uses SUSv2's setjmp/longjmp and sigaltstack functions to * do it's job. Coroutine creation is much slower than UCONTEXT, but * context switching is often a bit cheaper. It should work on almost - * all unices. Use this for GNU/Linux + glibc-2.2. glibc-2.1 and below - * do not work with any sane model (neither sigaltstack nor context - * functions are implemented) + * all unices. * * -DCORO_LINUX * - * Old GNU/Linux systems (<= glibc-2.1) work with this implementation - * (it is very fast and therefore recommended over other methods). + * Old GNU/Linux systems (<= glibc-2.1) only work with this implementation + * (it is very fast and therefore recommended over other methods, but + * doesn't work with anything newer). * * -DCORO_LOSER * @@ -100,7 +107,7 @@ * ELF Linux x86 && amd64 when gcc is used and optimisation is turned on. * * If you define neither of these symbols, coro.h will try to autodetect - * the model. This currently works for CORO_LOSER only. For the other + * the model. This currently works for CORO_LOSER only. For the other * alternatives you should check (e.g. using autoconf) and define the * following symbols: HAVE_UCONTEXT_H / HAVE_SETJMP_H / HAVE_SIGALTSTACK. */ |