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Comparing libcoro/coro.h (file contents):
Revision 1.23 by root, Sun Jan 20 17:30:24 2008 UTC vs.
Revision 1.24 by root, Sun Mar 2 16:10:22 2008 UTC

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8 * this list of conditions and the following disclaimer. 8 * this list of conditions and the following disclaimer.
9 * 9 *
10 * 2. Redistributions in binary form must reproduce the above copyright 10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the 11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution. 12 * documentation and/or other materials provided with the distribution.
13 *
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 * 13 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- 15 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 16 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- 17 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
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23 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- 21 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
25 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 22 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
26 * OF THE POSSIBILITY OF SUCH DAMAGE. 23 * OF THE POSSIBILITY OF SUCH DAMAGE.
27 * 24 *
25 * Alternatively, the contents of this file may be used under the terms of
26 * the GNU General Public License ("GPL") version 2 or any later version,
27 * in which case the provisions of the GPL are applicable instead of
28 * the above. If you wish to allow the use of your version of this file
29 * only under the terms of the GPL and not to allow others to use your
30 * version of this file under the BSD license, indicate your decision
31 * by deleting the provisions above and replace them with the notice
32 * and other provisions required by the GPL. If you do not delete the
33 * provisions above, a recipient may use your version of this file under
34 * either the BSD or the GPL.
35 *
28 * This library is modelled strictly after Ralf S. Engelschalls article at 36 * This library is modelled strictly after Ralf S. Engelschalls article at
29 * http://www.gnu.org/software/pth/rse-pmt.ps. So most of the credit must 37 * http://www.gnu.org/software/pth/rse-pmt.ps. So most of the credit must
30 * go to Ralf S. Engelschall <rse@engelschall.com>. 38 * go to Ralf S. Engelschall <rse@engelschall.com>.
31 * 39 *
32 * This coroutine library is very much stripped down. You should either 40 * This coroutine library is very much stripped down. You should either
33 * build your own process abstraction using it or - better - just use GNU 41 * build your own process abstraction using it or - better - just use GNU
34 * Portable Threads, http://www.gnu.org/software/pth/. 42 * Portable Threads, http://www.gnu.org/software/pth/.
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42 * 2007-04-27 Set unwind frame info if gcc 3+ and ELF is detected. 50 * 2007-04-27 Set unwind frame info if gcc 3+ and ELF is detected.
43 * Use _setjmp instead of setjmp on _XOPEN_SOURCE >= 600. 51 * Use _setjmp instead of setjmp on _XOPEN_SOURCE >= 600.
44 * 2007-05-02 Add assembly versions for x86 and amd64 (to avoid reliance 52 * 2007-05-02 Add assembly versions for x86 and amd64 (to avoid reliance
45 * on SIGUSR2 and sigaltstack in Crossfire). 53 * on SIGUSR2 and sigaltstack in Crossfire).
46 * 2008-01-21 Disable CFI usage on anything but GNU/Linux. 54 * 2008-01-21 Disable CFI usage on anything but GNU/Linux.
55 * 2008-03-02 Switched to 2-clause BSD license with GPL exception.
47 */ 56 */
48 57
49#ifndef CORO_H 58#ifndef CORO_H
50#define CORO_H 59#define CORO_H
51 60
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66 * 75 *
67 * -DCORO_UCONTEXT 76 * -DCORO_UCONTEXT
68 * 77 *
69 * This flavour uses SUSv2's get/set/swap/makecontext functions that 78 * This flavour uses SUSv2's get/set/swap/makecontext functions that
70 * unfortunately only newer unices support. 79 * unfortunately only newer unices support.
71 * Use this for GNU/Linux + glibc-2.2.3 and possibly higher.
72 * 80 *
73 * -DCORO_SJLJ 81 * -DCORO_SJLJ
74 * 82 *
75 * This flavour uses SUSv2's setjmp/longjmp and sigaltstack functions to 83 * This flavour uses SUSv2's setjmp/longjmp and sigaltstack functions to
76 * do it's job. Coroutine creation is much slower than UCONTEXT, but 84 * do it's job. Coroutine creation is much slower than UCONTEXT, but
77 * context switching is often a bit cheaper. It should work on almost 85 * context switching is often a bit cheaper. It should work on almost
78 * all unices. Use this for GNU/Linux + glibc-2.2. glibc-2.1 and below 86 * all unices.
79 * do not work with any sane model (neither sigaltstack nor context
80 * functions are implemented)
81 * 87 *
82 * -DCORO_LINUX 88 * -DCORO_LINUX
83 * 89 *
84 * Old GNU/Linux systems (<= glibc-2.1) work with this implementation 90 * Old GNU/Linux systems (<= glibc-2.1) only work with this implementation
85 * (it is very fast and therefore recommended over other methods). 91 * (it is very fast and therefore recommended over other methods, but
92 * doesn't work with anything newer).
86 * 93 *
87 * -DCORO_LOSER 94 * -DCORO_LOSER
88 * 95 *
89 * Microsoft's highly proprietary platform doesn't support sigaltstack, and 96 * Microsoft's highly proprietary platform doesn't support sigaltstack, and
90 * this automatically selects a suitable workaround for this platform. 97 * this automatically selects a suitable workaround for this platform.
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98 * 105 *
99 * Handcoded assembly, known to work only on a few architectures/ABI: 106 * Handcoded assembly, known to work only on a few architectures/ABI:
100 * ELF Linux x86 && amd64 when gcc is used and optimisation is turned on. 107 * ELF Linux x86 && amd64 when gcc is used and optimisation is turned on.
101 * 108 *
102 * If you define neither of these symbols, coro.h will try to autodetect 109 * If you define neither of these symbols, coro.h will try to autodetect
103 * the model. This currently works for CORO_LOSER only. For the other 110 * the model. This currently works for CORO_LOSER only. For the other
104 * alternatives you should check (e.g. using autoconf) and define the 111 * alternatives you should check (e.g. using autoconf) and define the
105 * following symbols: HAVE_UCONTEXT_H / HAVE_SETJMP_H / HAVE_SIGALTSTACK. 112 * following symbols: HAVE_UCONTEXT_H / HAVE_SETJMP_H / HAVE_SIGALTSTACK.
106 */ 113 */
107 114
108/* 115/*

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