Revision: | 1.2 |
Committed: | Thu Mar 3 17:20:31 2005 UTC (19 years, 4 months ago) by root |
Content type: | text/plain |
Branch: | MAIN |
CVS Tags: | rel-2_5, rel-4_91, rel-4_22, rel-4_21, rel-4_0, rel-4_3, rel-3_41, rel-5_151, rel-4_13, rel-4_11, rel-5_1, rel-5_0, rel-6_0, rel-6_5, rel-4_748, rel-3_55, rel-4_8, rel-4_9, rel-3_51, rel-4_741, rel-4_743, rel-4_742, rel-6_10, rel-4_744, rel-4_747, rel-6_13, rel-4_01, rel-4_03, rel-4_02, rel-2_0, rel-2_1, rel-1_9, rel-1_2, rel-3_6, rel-3_62, rel-3_63, rel-3_61, rel-1_5, rel-1_4, rel-1_7, rel-1_6, rel-3_4, rel-6_09, rel-6_08, rel-6_07, rel-6_06, rel-6_05, rel-6_04, rel-6_03, rel-6_02, rel-6_01, rel-5_161, rel-3_1, rel-4_74, rel-4_71, rel-4_72, rel-4_73, rel-5_371, rel-5_372, rel-6_512, rel-6_513, rel-6_511, rel-6_514, rel-5_22, rel-5_23, rel-5_24, rel-5_25, rel-6_32, rel-6_33, rel-6_31, rel-6_36, rel-6_37, rel-5_162, rel-5_2, rel-6_38, rel-6_39, rel-4_802, rel-4_803, rel-3_5, rel-4_801, rel-3_3, rel-3_2, rel-4_804, rel-3_0, rel-5_37, rel-5_36, rel-4_479, rel-6_23, rel-3_01, rel-6_29, rel-6_28, rel-6_46, rel-4_50, rel-4_51, rel-6_45, rel-4_4, rel-3_11, rel-1_31, rel-4_45, rel-6_51, rel-6_52, rel-6_53, rel-6_54, rel-6_55, rel-6_56, rel-6_57, rel-4_745, rel-4_901, rel-4_49, rel-4_48, rel-4_1, rel-4_2, rel-4_746, rel-5_11, rel-5_12, rel-5_15, rel-5_14, rel-5_17, rel-5_16, stack_sharing, rel-4_47, rel-4_46, rel-4_7, rel-3_501, rel-6_43, rel-6_42, rel-6_41, rel-6_47, rel-5_132, rel-5_131, rel-6_44, rel-6_49, rel-6_48, rel-4_911, rel-4_912, rel-4_31, rel-4_32, rel-4_33, rel-4_34, rel-4_35, rel-4_36, rel-4_37, HEAD |
Changes since 1.1: | +1 -1 lines |
Log Message: | *** empty log message *** |
# | User | Rev | Content |
---|---|---|---|
1 | root | 1.1 | /* |
2 | * This file was taken from pth-1.40/aclocal.m4 | ||
3 | * The original copyright is below. | ||
4 | * | ||
5 | * GNU Pth - The GNU Portable Threads | ||
6 | * Copyright (c) 1999-2001 Ralf S. Engelschall <rse@engelschall.com> | ||
7 | * | ||
8 | * This file is part of GNU Pth, a non-preemptive thread scheduling | ||
9 | * library which can be found at http://www.gnu.org/software/pth/. | ||
10 | * | ||
11 | * This file is free software; you can redistribute it and/or | ||
12 | * modify it under the terms of the GNU Lesser General Public | ||
13 | * License as published by the Free Software Foundation; either | ||
14 | * version 2.1 of the License, or (at your option) any later version. | ||
15 | * | ||
16 | * This file is distributed in the hope that it will be useful, | ||
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
19 | * Lesser General Public License for more details. | ||
20 | * | ||
21 | * You should have received a copy of the GNU Lesser General Public | ||
22 | * License along with this file; if not, write to the Free Software | ||
23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | ||
24 | root | 1.2 | * USA, or contact Marc Lehmann <schmorp@schmorp.de>. |
25 | root | 1.1 | */ |
26 | |||
27 | #include <stdio.h> | ||
28 | #include <stdlib.h> | ||
29 | #include <string.h> | ||
30 | #if defined(TEST_sigstack) || defined(TEST_sigaltstack) | ||
31 | #include <sys/types.h> | ||
32 | #include <signal.h> | ||
33 | #include <unistd.h> | ||
34 | #endif | ||
35 | #if defined(TEST_makecontext) | ||
36 | #include <ucontext.h> | ||
37 | #endif | ||
38 | union alltypes { | ||
39 | long l; | ||
40 | double d; | ||
41 | void *vp; | ||
42 | void (*fp)(void); | ||
43 | char *cp; | ||
44 | }; | ||
45 | static volatile char *handler_addr = (char *)0xDEAD; | ||
46 | #if defined(TEST_sigstack) || defined(TEST_sigaltstack) | ||
47 | static volatile int handler_done = 0; | ||
48 | void handler(int sig) | ||
49 | { | ||
50 | char garbage[1024]; | ||
51 | int i; | ||
52 | auto int dummy; | ||
53 | for (i = 0; i < 1024; i++) | ||
54 | garbage[i] = 'X'; | ||
55 | handler_addr = (char *)&dummy; | ||
56 | handler_done = 1; | ||
57 | return; | ||
58 | } | ||
59 | #endif | ||
60 | #if defined(TEST_makecontext) | ||
61 | static ucontext_t uc_handler; | ||
62 | static ucontext_t uc_main; | ||
63 | void handler(void) | ||
64 | { | ||
65 | char garbage[1024]; | ||
66 | int i; | ||
67 | auto int dummy; | ||
68 | for (i = 0; i < 1024; i++) | ||
69 | garbage[i] = 'X'; | ||
70 | handler_addr = (char *)&dummy; | ||
71 | swapcontext(&uc_handler, &uc_main); | ||
72 | return; | ||
73 | } | ||
74 | #endif | ||
75 | int main(int argc, char *argv[]) | ||
76 | { | ||
77 | FILE *f; | ||
78 | char *skaddr; | ||
79 | char *skbuf; | ||
80 | int sksize; | ||
81 | char result[1024]; | ||
82 | int i; | ||
83 | sksize = 32768; | ||
84 | skbuf = (char *)malloc(sksize*2+2*sizeof(union alltypes)); | ||
85 | if (skbuf == NULL) | ||
86 | exit(1); | ||
87 | for (i = 0; i < sksize*2+2*sizeof(union alltypes); i++) | ||
88 | skbuf[i] = 'A'; | ||
89 | skaddr = skbuf+sizeof(union alltypes); | ||
90 | #if defined(TEST_sigstack) || defined(TEST_sigaltstack) | ||
91 | { | ||
92 | struct sigaction sa; | ||
93 | #if defined(TEST_sigstack) | ||
94 | struct sigstack ss; | ||
95 | #elif defined(TEST_sigaltstack) && defined(HAVE_STACK_T) | ||
96 | stack_t ss; | ||
97 | #else | ||
98 | struct sigaltstack ss; | ||
99 | #endif | ||
100 | #if defined(TEST_sigstack) | ||
101 | ss.ss_sp = (void *)(skaddr + sksize); | ||
102 | ss.ss_onstack = 0; | ||
103 | if (sigstack(&ss, NULL) < 0) | ||
104 | exit(1); | ||
105 | #elif defined(TEST_sigaltstack) | ||
106 | ss.ss_sp = (void *)(skaddr + sksize); | ||
107 | ss.ss_size = sksize; | ||
108 | ss.ss_flags = 0; | ||
109 | if (sigaltstack(&ss, NULL) < 0) | ||
110 | exit(1); | ||
111 | #endif | ||
112 | memset((void *)&sa, 0, sizeof(struct sigaction)); | ||
113 | sa.sa_handler = handler; | ||
114 | sa.sa_flags = SA_ONSTACK; | ||
115 | sigemptyset(&sa.sa_mask); | ||
116 | sigaction(SIGUSR1, &sa, NULL); | ||
117 | kill(getpid(), SIGUSR1); | ||
118 | while (!handler_done) | ||
119 | /*nop*/; | ||
120 | } | ||
121 | #endif | ||
122 | #if defined(TEST_makecontext) | ||
123 | { | ||
124 | if (getcontext(&uc_handler) != 0) | ||
125 | exit(1); | ||
126 | uc_handler.uc_link = NULL; | ||
127 | uc_handler.uc_stack.ss_sp = (void *)(skaddr + sksize); | ||
128 | uc_handler.uc_stack.ss_size = sksize; | ||
129 | uc_handler.uc_stack.ss_flags = 0; | ||
130 | makecontext(&uc_handler, handler, 1); | ||
131 | swapcontext(&uc_main, &uc_handler); | ||
132 | } | ||
133 | #endif | ||
134 | if (handler_addr == (char *)0xDEAD) | ||
135 | exit(1); | ||
136 | if (handler_addr < skaddr+sksize) { | ||
137 | /* stack was placed into lower area */ | ||
138 | if (*(skaddr+sksize) != 'A') | ||
139 | sprintf(result, "(skaddr)+(sksize)-%d,(sksize)-%d", | ||
140 | sizeof(union alltypes), sizeof(union alltypes)); | ||
141 | else | ||
142 | strcpy(result, "(skaddr)+(sksize),(sksize)"); | ||
143 | } | ||
144 | else { | ||
145 | /* stack was placed into higher area */ | ||
146 | if (*(skaddr+sksize*2) != 'A') | ||
147 | sprintf(result, "(skaddr),(sksize)-%d", sizeof(union alltypes)); | ||
148 | else | ||
149 | strcpy(result, "(skaddr),(sksize)"); | ||
150 | } | ||
151 | printf("%s\n", result); | ||
152 | exit(0); | ||
153 | } | ||
154 |